mirror of
https://github.com/azure-rtos/threadx
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Added thumb mode support for threadX GNU ports on armv7a platforms. (#333)
* Added thumb mode support for threadX GNU ports on armv7a platforms. https://msazure.visualstudio.com/One/_workitems/edit/26105175/ * move the swi interrupt to tx_initialize_low_level.S. * update the test log.
This commit is contained in:
Yajun Xia
GitHub
parent
dbfad5d126
commit
e73843f6d4
@ -23,16 +23,16 @@
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#include "tx_user.h"
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#include "tx_user.h"
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#endif
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#endif
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.arm
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.syntax unified
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#if defined(THUMB_MODE)
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#ifdef TX_ENABLE_FIQ_SUPPORT
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.thumb
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SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
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IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
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#else
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#else
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SVC_MODE = 0x93 // Disable IRQ, SVC mode
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.arm
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IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
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#endif
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#endif
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SVC_MODE = 0x13 // SVC mode
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IRQ_MODE = 0x12 // IRQ mode
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.global _tx_thread_system_state
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.global _tx_thread_system_state
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.global _tx_thread_current_ptr
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.global _tx_thread_current_ptr
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.global _tx_thread_execute_ptr
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.global _tx_thread_execute_ptr
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@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
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/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
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/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
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since it will never be called 16-bit mode. */
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since it will never be called 16-bit mode. */
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.arm
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.text
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.text
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.align 2
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.align 2
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/**************************************************************************/
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/**************************************************************************/
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@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
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/* FUNCTION RELEASE */
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/* FUNCTION RELEASE */
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/* */
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/* */
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/* _tx_thread_context_restore ARMv7-A */
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/* _tx_thread_context_restore ARMv7-A */
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/* 6.3.0 */
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/* 6.x */
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/* AUTHOR */
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/* AUTHOR */
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/* */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* William E. Lamie, Microsoft Corporation */
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@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
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/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
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/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
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/* #include tx_user.h, */
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/* #include tx_user.h, */
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/* resulting in version 6.3.0 */
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/* resulting in version 6.3.0 */
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/* xx-xx-xxxx Yajun Xia Modified comment(s), */
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/* Added thumb mode support, */
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/* resulting in version 6.x */
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/* */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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.global _tx_thread_context_restore
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.global _tx_thread_context_restore
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@ -129,9 +131,9 @@ _tx_thread_context_restore:
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/* Just recover the saved registers and return to the point of
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/* Just recover the saved registers and return to the point of
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interrupt. */
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interrupt. */
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LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
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POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
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MSR SPSR_cxsf, r0 // Put SPSR back
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MSR SPSR_cxsf, r0 // Put SPSR back
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LDMIA sp!, {r0-r3} // Recover r0-r3
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POP {r0-r3} // Recover r0-r3
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MOVS pc, lr // Return to point of interrupt
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MOVS pc, lr // Return to point of interrupt
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__tx_thread_not_nested_restore:
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__tx_thread_not_nested_restore:
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@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
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/* Pickup the saved stack pointer. */
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/* Pickup the saved stack pointer. */
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/* Recover the saved context and return to the point of interrupt. */
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/* Recover the saved context and return to the point of interrupt. */
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LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
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POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
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MSR SPSR_cxsf, r0 // Put SPSR back
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MSR SPSR_cxsf, r0 // Put SPSR back
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LDMIA sp!, {r0-r3} // Recover r0-r3
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POP {r0-r3} // Recover r0-r3
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MOVS pc, lr // Return to point of interrupt
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MOVS pc, lr // Return to point of interrupt
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__tx_thread_preempt_restore:
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__tx_thread_preempt_restore:
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LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
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POP {r3, r10, r12, lr} // Recover temporarily saved registers
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MOV r1, lr // Save lr (point of interrupt)
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MOV r1, lr // Save lr (point of interrupt)
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MOV r2, #SVC_MODE // Build SVC mode CPSR
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CPS #SVC_MODE // Enter SVC mode
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MSR CPSR_c, r2 // Enter SVC mode
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STR r1, [sp, #-4]! // Save point of interrupt
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STR r1, [sp, #-4]! // Save point of interrupt
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STMDB sp!, {r4-r12, lr} // Save upper half of registers
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PUSH {r4-r12, lr} // Save upper half of registers
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MOV r4, r3 // Save SPSR in r4
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MOV r4, r3 // Save SPSR in r4
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MOV r2, #IRQ_MODE // Build IRQ mode CPSR
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CPS #IRQ_MODE // Enter IRQ mode
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MSR CPSR_c, r2 // Enter IRQ mode
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POP {r0-r3} // Recover r0-r3
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LDMIA sp!, {r0-r3} // Recover r0-r3
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CPS #SVC_MODE // Enter SVC mode
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MOV r5, #SVC_MODE // Build SVC mode CPSR
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PUSH {r0-r3} // Save r0-r3 on thread's stack
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MSR CPSR_c, r5 // Enter SVC mode
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STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
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LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
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LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
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LDR r0, [r1] // Pickup current thread pointer
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LDR r0, [r1] // Pickup current thread pointer
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@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
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STR r2, [sp, #-4]! // Save FPSCR
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STR r2, [sp, #-4]! // Save FPSCR
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VSTMDB sp!, {D16-D31} // Save D16-D31
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VSTMDB sp!, {D16-D31} // Save D16-D31
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VSTMDB sp!, {D0-D15} // Save D0-D15
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VSTMDB sp!, {D0-D15} // Save D0-D15
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_tx_skip_irq_vfp_save:
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_tx_skip_irq_vfp_save:
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#endif
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#endif
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MOV r3, #1 // Build interrupt stack type
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MOV r3, #1 // Build interrupt stack type
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STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
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PUSH {r3, r4} // Save interrupt stack type and SPSR
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STR sp, [r0, #8] // Save stack pointer in thread control
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STR sp, [r0, #8] // Save stack pointer in thread control
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// block
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// block
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@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
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__tx_thread_idle_system_restore:
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__tx_thread_idle_system_restore:
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/* Just return back to the scheduler! */
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/* Just return back to the scheduler! */
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MOV r0, #SVC_MODE // Build SVC mode CPSR
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CPS #SVC_MODE // Enter SVC mode
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MSR CPSR_c, r0 // Enter SVC mode
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B _tx_thread_schedule // Return to scheduler
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B _tx_thread_schedule // Return to scheduler
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@ -23,6 +23,13 @@
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#include "tx_user.h"
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#include "tx_user.h"
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#endif
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#endif
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.syntax unified
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#if defined(THUMB_MODE)
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.thumb
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#else
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.arm
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#endif
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.global _tx_thread_system_state
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.global _tx_thread_system_state
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.global _tx_thread_current_ptr
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.global _tx_thread_current_ptr
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.global __tx_irq_processing_return
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.global __tx_irq_processing_return
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@ -31,7 +38,6 @@
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/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
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/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
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since it will never be called 16-bit mode. */
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since it will never be called 16-bit mode. */
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.arm
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.text
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.text
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.align 2
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.align 2
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/**************************************************************************/
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/**************************************************************************/
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@ -39,7 +45,7 @@
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/* FUNCTION RELEASE */
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/* FUNCTION RELEASE */
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/* */
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/* */
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/* _tx_thread_context_save ARMv7-A */
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/* _tx_thread_context_save ARMv7-A */
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/* 6.3.0 */
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/* 6.x */
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/* AUTHOR */
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/* AUTHOR */
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/* */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* William E. Lamie, Microsoft Corporation */
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@ -79,6 +85,9 @@
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/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
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/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
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/* #include tx_user.h, */
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/* #include tx_user.h, */
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/* resulting in version 6.3.0 */
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/* resulting in version 6.3.0 */
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/* xx-xx-xxxx Yajun Xia Modified comment(s), */
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/* Added thumb mode support, */
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/* resulting in version 6.x */
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/* */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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.global _tx_thread_context_save
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.global _tx_thread_context_save
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@ -90,7 +99,7 @@ _tx_thread_context_save:
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/* Check for a nested interrupt condition. */
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/* Check for a nested interrupt condition. */
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STMDB sp!, {r0-r3} // Save some working registers
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PUSH {r0-r3} // Save some working registers
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#ifdef TX_ENABLE_FIQ_SUPPORT
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#ifdef TX_ENABLE_FIQ_SUPPORT
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CPSID if // Disable FIQ interrupts
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CPSID if // Disable FIQ interrupts
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#endif
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#endif
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@ -101,15 +110,15 @@ _tx_thread_context_save:
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/* Nested interrupt condition. */
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/* Nested interrupt condition. */
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ADD r2, r2, #1 // Increment the interrupt counter
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ADD r2, #1 // Increment the interrupt counter
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STR r2, [r3] // Store it back in the variable
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STR r2, [r3] // Store it back in the variable
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/* Save the rest of the scratch registers on the stack and return to the
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/* Save the rest of the scratch registers on the stack and return to the
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calling ISR. */
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calling ISR. */
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MRS r0, SPSR // Pickup saved SPSR
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MRS r0, SPSR // Pickup saved SPSR
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SUB lr, lr, #4 // Adjust point of interrupt
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SUB lr, #4 // Adjust point of interrupt
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STMDB sp!, {r0, r10, r12, lr} // Store other registers
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PUSH {r0, r10, r12, lr} // Store other registers
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/* Return to the ISR. */
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/* Return to the ISR. */
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@ -129,7 +138,7 @@ _tx_thread_context_save:
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__tx_thread_not_nested_save:
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__tx_thread_not_nested_save:
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/* Otherwise, not nested, check to see if a thread was running. */
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/* Otherwise, not nested, check to see if a thread was running. */
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ADD r2, r2, #1 // Increment the interrupt counter
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ADD r2, #1 // Increment the interrupt counter
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STR r2, [r3] // Store it back in the variable
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STR r2, [r3] // Store it back in the variable
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LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
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LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
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LDR r0, [r1] // Pickup current thread pointer
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LDR r0, [r1] // Pickup current thread pointer
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@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
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/* Save minimal context of interrupted thread. */
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/* Save minimal context of interrupted thread. */
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MRS r2, SPSR // Pickup saved SPSR
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MRS r2, SPSR // Pickup saved SPSR
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SUB lr, lr, #4 // Adjust point of interrupt
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SUB lr, #4 // Adjust point of interrupt
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STMDB sp!, {r2, r10, r12, lr} // Store other registers
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PUSH {r2, r10, r12, lr} // Store other registers
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MOV r10, #0 // Clear stack limit
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MOV r10, #0 // Clear stack limit
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@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
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POP {lr} // Recover ISR lr
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POP {lr} // Recover ISR lr
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#endif
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#endif
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ADD sp, sp, #16 // Recover saved registers
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ADD sp, #16 // Recover saved registers
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B __tx_irq_processing_return // Continue IRQ processing
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B __tx_irq_processing_return // Continue IRQ processing
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@ -23,6 +23,13 @@
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#include "tx_user.h"
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#include "tx_user.h"
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#endif
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#endif
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.syntax unified
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#if defined(THUMB_MODE)
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.thumb
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#else
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.arm
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#endif
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#ifdef TX_ENABLE_FIQ_SUPPORT
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#ifdef TX_ENABLE_FIQ_SUPPORT
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DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
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DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
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#else
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#else
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@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
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MODE_MASK = 0x1F // Mode mask
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MODE_MASK = 0x1F // Mode mask
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FIQ_MODE_BITS = 0x11 // FIQ mode bits
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FIQ_MODE_BITS = 0x11 // FIQ mode bits
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/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
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since it will never be called 16-bit mode. */
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.arm
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.text
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.text
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.align 2
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.align 2
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/**************************************************************************/
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/**************************************************************************/
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@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
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/* FUNCTION RELEASE */
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/* FUNCTION RELEASE */
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/* */
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/* */
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/* _tx_thread_fiq_nesting_end ARMv7-A */
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/* _tx_thread_fiq_nesting_end ARMv7-A */
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/* 6.3.0 */
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/* 6.x */
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/* AUTHOR */
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/* AUTHOR */
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/* */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* William E. Lamie, Microsoft Corporation */
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@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
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/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
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/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
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/* #include tx_user.h, */
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/* #include tx_user.h, */
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/* resulting in version 6.3.0 */
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/* resulting in version 6.3.0 */
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/* xx-xx-xxxx Yajun Xia Modified comment(s), */
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/* Added thumb mode support, */
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/* resulting in version 6.x */
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/* */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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#if defined(THUMB_MODE)
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.thumb_func
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#endif
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.global _tx_thread_fiq_nesting_end
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.global _tx_thread_fiq_nesting_end
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.type _tx_thread_fiq_nesting_end,function
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.type _tx_thread_fiq_nesting_end,function
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_tx_thread_fiq_nesting_end:
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_tx_thread_fiq_nesting_end:
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@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
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ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
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ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
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MSR CPSR_c, r0 // Reenter IRQ mode
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MSR CPSR_c, r0 // Reenter IRQ mode
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#ifdef __THUMB_INTERWORK
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BX r3 // Return to caller
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BX r3 // Return to caller
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#else
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MOV pc, r3 // Return to caller
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#endif
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@ -23,15 +23,17 @@
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#include "tx_user.h"
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#include "tx_user.h"
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#endif
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#endif
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.syntax unified
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#if defined(THUMB_MODE)
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.thumb
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#else
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.arm
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#endif
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FIQ_DISABLE = 0x40 // FIQ disable bit
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FIQ_DISABLE = 0x40 // FIQ disable bit
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MODE_MASK = 0x1F // Mode mask
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MODE_MASK = 0x1F // Mode mask
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SYS_MODE_BITS = 0x1F // System mode bits
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SYS_MODE_BITS = 0x1F // System mode bits
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/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
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since it will never be called 16-bit mode. */
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.arm
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.text
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.text
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.align 2
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.align 2
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/**************************************************************************/
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/**************************************************************************/
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@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
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/* FUNCTION RELEASE */
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/* FUNCTION RELEASE */
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/* */
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/* */
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/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
@ -23,22 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_disable for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_disable
|
|
||||||
$_tx_thread_interrupt_disable:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_disable // Call _tx_thread_interrupt_disable function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +37,7 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_disable ARMv7-A */
|
/* _tx_thread_interrupt_disable ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -82,8 +72,14 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_disable
|
.global _tx_thread_interrupt_disable
|
||||||
.type _tx_thread_interrupt_disable,function
|
.type _tx_thread_interrupt_disable,function
|
||||||
_tx_thread_interrupt_disable:
|
_tx_thread_interrupt_disable:
|
||||||
@ -100,8 +96,4 @@ _tx_thread_interrupt_disable:
|
|||||||
CPSID i // Disable IRQ
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,22 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_restore for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_restore
|
|
||||||
$_tx_thread_interrupt_restore:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_restore // Call _tx_thread_interrupt_restore function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +42,7 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_restore ARMv7-A */
|
/* _tx_thread_interrupt_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -83,17 +78,27 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_restore
|
.global _tx_thread_interrupt_restore
|
||||||
.type _tx_thread_interrupt_restore,function
|
.type _tx_thread_interrupt_restore,function
|
||||||
_tx_thread_interrupt_restore:
|
_tx_thread_interrupt_restore:
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
MSR CPSR_c, r0 // Setup new CPSR
|
CPSIE i
|
||||||
#ifdef __THUMB_INTERWORK
|
no_irq:
|
||||||
BX lr // Return to caller
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
#else
|
TST r0, #FIQ_MASK
|
||||||
MOV pc, lr // Return to caller
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
BX lr // Return to caller
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_end ARMv7-A */
|
/* _tx_thread_irq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_end
|
.global _tx_thread_irq_nesting_end
|
||||||
.type _tx_thread_irq_nesting_end,function
|
.type _tx_thread_irq_nesting_end,function
|
||||||
_tx_thread_irq_nesting_end:
|
_tx_thread_irq_nesting_end:
|
||||||
@ -102,8 +110,4 @@ _tx_thread_irq_nesting_end:
|
|||||||
BIC r0, r0, #MODE_MASK // Clear mode bits
|
BIC r0, r0, #MODE_MASK // Clear mode bits
|
||||||
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
IRQ_DISABLE = 0x80 // IRQ disable bit
|
IRQ_DISABLE = 0x80 // IRQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_start ARMv7-A */
|
/* _tx_thread_irq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_start
|
.global _tx_thread_irq_nesting_start
|
||||||
.type _tx_thread_irq_nesting_start,function
|
.type _tx_thread_irq_nesting_start,function
|
||||||
_tx_thread_irq_nesting_start:
|
_tx_thread_irq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_irq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,37 +23,29 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_schedule for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
.global $_tx_thread_schedule
|
|
||||||
.type $_tx_thread_schedule,function
|
|
||||||
$_tx_thread_schedule:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_schedule // Call _tx_thread_schedule function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#define IRQ_MODE 0x12 // IRQ mode
|
||||||
|
#define SVC_MODE 0x13 // SVC mode
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* */
|
/* */
|
||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_schedule ARMv7-A */
|
/* _tx_thread_schedule ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -95,8 +87,14 @@ $_tx_thread_schedule:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
.type _tx_thread_schedule,function
|
.type _tx_thread_schedule,function
|
||||||
_tx_thread_schedule:
|
_tx_thread_schedule:
|
||||||
@ -140,11 +138,11 @@ __tx_thread_schedule_loop:
|
|||||||
|
|
||||||
/* Setup time-slice, if present. */
|
/* Setup time-slice, if present. */
|
||||||
|
|
||||||
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice
|
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice variable
|
||||||
// variable
|
|
||||||
LDR sp, [r0, #8] // Switch stack pointers
|
|
||||||
STR r3, [r2] // Setup time-slice
|
STR r3, [r2] // Setup time-slice
|
||||||
|
|
||||||
|
LDR sp, [r0, #8] // Switch stack pointers
|
||||||
|
|
||||||
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
||||||
|
|
||||||
/* Call the thread entry function to indicate the thread is executing. */
|
/* Call the thread entry function to indicate the thread is executing. */
|
||||||
@ -154,16 +152,25 @@ __tx_thread_schedule_loop:
|
|||||||
MOV r0, r5 // Restore r0
|
MOV r0, r5 // Restore r0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Determine if an interrupt frame or a synchronous task suspension frame
|
/* Determine if an interrupt frame or a synchronous task suspension frame is present. */
|
||||||
is present. */
|
|
||||||
|
|
||||||
LDMIA sp!, {r4, r5} // Pickup the stack type and saved CPSR
|
POP {r4, r5} // Pickup the stack type and saved CPSR
|
||||||
CMP r4, #0 // Check for synchronous context switch
|
CMP r4, #0 // Check for synchronous context switch
|
||||||
BEQ _tx_solicited_return
|
BEQ _tx_solicited_return
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
#else
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
LDR r1, [r0, #8] // Get thread SP
|
||||||
|
LDR lr, [r1, #0x40] // Get thread PC
|
||||||
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
LDR r1, [r0, #144] // Pickup the VFP enabled flag
|
LDR r2, [r0, #144] // Pickup the VFP enabled flag
|
||||||
CMP r1, #0 // Is the VFP enabled?
|
CMP r2, #0 // Is the VFP enabled?
|
||||||
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
||||||
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
||||||
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
||||||
@ -171,7 +178,15 @@ __tx_thread_schedule_loop:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_interrupt_vfp_restore:
|
_tx_skip_interrupt_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
||||||
|
#else
|
||||||
|
POP {r0-r12, lr} // Restore registers
|
||||||
|
ADD sp, #4 // Fix stack pointer (skip PC saved on stack)
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
SUBS pc, lr, #0 // Return to point of thread interrupt
|
||||||
|
#endif
|
||||||
|
|
||||||
_tx_solicited_return:
|
_tx_solicited_return:
|
||||||
|
|
||||||
@ -185,52 +200,63 @@ _tx_solicited_return:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_solicited_vfp_restore:
|
_tx_skip_solicited_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MSR CPSR_cxsf, r5 // Recover CPSR
|
MSR CPSR_cxsf, r5 // Recover CPSR
|
||||||
LDMIA sp!, {r4-r11, lr} // Return to thread synchronously
|
POP {r4-r11, lr} // Restore registers
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_enable
|
.global tx_thread_vfp_enable
|
||||||
.type tx_thread_vfp_enable,function
|
.type tx_thread_vfp_enable,function
|
||||||
tx_thread_vfp_enable:
|
tx_thread_vfp_enable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_enable // If NULL, skip VFP enable
|
BEQ restore_ints // If NULL, skip VFP enable
|
||||||
MOV r0, #1 // Build enable value
|
MOV r2, #1 // Build enable value
|
||||||
STR r0, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_enable:
|
B restore_ints
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
|
||||||
BX LR // Return to caller
|
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_disable
|
.global tx_thread_vfp_disable
|
||||||
.type tx_thread_vfp_disable,function
|
.type tx_thread_vfp_disable,function
|
||||||
tx_thread_vfp_disable:
|
tx_thread_vfp_disable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_disable // If NULL, skip VFP disable
|
BEQ restore_ints // If NULL, skip VFP disable
|
||||||
MOV r0, #0 // Build disable value
|
MOV r2, #0 // Build disable value
|
||||||
STR r0, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_disable:
|
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
restore_ints:
|
||||||
BX LR // Return to caller
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
BX lr
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -23,33 +23,22 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
SVC_MODE = 0x13 // SVC mode
|
.thumb
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
|
||||||
CPSR_MASK = 0xDF // Mask initial CPSR, IRQ & FIQ interrupts enabled
|
|
||||||
#else
|
#else
|
||||||
CPSR_MASK = 0x9F // Mask initial CPSR, IRQ interrupts enabled
|
.arm
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_stack_build for
|
THUMB_MASK = 0x20 // Thumb bit mask
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_thread_stack_build
|
|
||||||
.type $_tx_thread_stack_build,function
|
|
||||||
$_tx_thread_stack_build:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_stack_build // Call _tx_thread_stack_build function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSR_MASK = 0xFF // Mask initial CPSR, T, IRQ & FIQ interrupts enabled
|
||||||
|
#else
|
||||||
|
CPSR_MASK = 0xBF // Mask initial CPSR, T, IRQ interrupts enabled
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -58,7 +47,7 @@ $_tx_thread_stack_build:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_stack_build ARMv7-A */
|
/* _tx_thread_stack_build ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -96,8 +85,14 @@ $_tx_thread_stack_build:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_stack_build
|
.global _tx_thread_stack_build
|
||||||
.type _tx_thread_stack_build,function
|
.type _tx_thread_stack_build,function
|
||||||
_tx_thread_stack_build:
|
_tx_thread_stack_build:
|
||||||
@ -135,6 +130,15 @@ _tx_thread_stack_build:
|
|||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STR r3, [r2, #0] // Store stack type
|
STR r3, [r2, #0] // Store stack type
|
||||||
|
|
||||||
|
MRS r3, CPSR // Pickup CPSR
|
||||||
|
BIC r3, #CPSR_MASK // Mask mode bits of CPSR
|
||||||
|
ORR r3, #SVC_MODE // Build CPSR, SYS mode, interrupts enabled
|
||||||
|
TST r1, #1 // Check if the initial PC is a Thumb function
|
||||||
|
IT NE
|
||||||
|
ORRNE r3, #THUMB_MASK // If the initial PC is a thumb function, CPSR must reflect this
|
||||||
|
STR r3, [r2, #4] // Store initial CPSR
|
||||||
|
|
||||||
MOV r3, #0 // Build initial register value
|
MOV r3, #0 // Build initial register value
|
||||||
STR r3, [r2, #8] // Store initial r0
|
STR r3, [r2, #8] // Store initial r0
|
||||||
STR r3, [r2, #12] // Store initial r1
|
STR r3, [r2, #12] // Store initial r1
|
||||||
@ -146,26 +150,20 @@ _tx_thread_stack_build:
|
|||||||
STR r3, [r2, #36] // Store initial r7
|
STR r3, [r2, #36] // Store initial r7
|
||||||
STR r3, [r2, #40] // Store initial r8
|
STR r3, [r2, #40] // Store initial r8
|
||||||
STR r3, [r2, #44] // Store initial r9
|
STR r3, [r2, #44] // Store initial r9
|
||||||
LDR r3, [r0, #12] // Pickup stack starting address
|
|
||||||
STR r3, [r2, #48] // Store initial r10 (sl)
|
|
||||||
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
|
||||||
STR r3, [r2, #60] // Store initial r14 (lr)
|
|
||||||
MOV r3, #0 // Build initial register value
|
|
||||||
STR r3, [r2, #52] // Store initial r11
|
STR r3, [r2, #52] // Store initial r11
|
||||||
STR r3, [r2, #56] // Store initial r12
|
STR r3, [r2, #56] // Store initial r12
|
||||||
STR r1, [r2, #64] // Store initial pc
|
|
||||||
STR r3, [r2, #68] // 0 for back-trace
|
STR r3, [r2, #68] // 0 for back-trace
|
||||||
MRS r1, CPSR // Pickup CPSR
|
|
||||||
BIC r1, r1, #CPSR_MASK // Mask mode bits of CPSR
|
LDR r3, [r0, #12] // Pickup stack starting address
|
||||||
ORR r3, r1, #SVC_MODE // Build CPSR, SVC mode, interrupts enabled
|
STR r3, [r2, #48] // Store initial r10 (sl)
|
||||||
STR r3, [r2, #4] // Store initial CPSR
|
|
||||||
|
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
||||||
|
STR r3, [r2, #60] // Store initial r14 (lr)
|
||||||
|
|
||||||
|
STR r1, [r2, #64] // Store initial pc
|
||||||
|
|
||||||
/* Setup stack pointer. */
|
/* Setup stack pointer. */
|
||||||
|
|
||||||
STR r2, [r0, #8] // Save stack pointer in thread's
|
STR r2, [r0, #8] // Save stack pointer in thread's
|
||||||
// control block
|
// control block
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,33 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_system_return for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_system_return
|
|
||||||
.type $_tx_thread_system_return,function
|
|
||||||
$_tx_thread_system_return:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_system_return // Call _tx_thread_system_return function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -57,7 +41,7 @@ $_tx_thread_system_return:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_system_return ARMv7-A */
|
/* _tx_thread_system_return ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -98,15 +82,21 @@ $_tx_thread_system_return:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_system_return
|
.global _tx_thread_system_return
|
||||||
.type _tx_thread_system_return,function
|
.type _tx_thread_system_return,function
|
||||||
_tx_thread_system_return:
|
_tx_thread_system_return:
|
||||||
|
|
||||||
/* Save minimal context on the stack. */
|
/* Save minimal context on the stack. */
|
||||||
|
|
||||||
STMDB sp!, {r4-r11, lr} // Save minimal context
|
PUSH {r4-r11, lr} // Save minimal context
|
||||||
|
|
||||||
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
||||||
LDR r5, [r4] // Pickup current thread pointer
|
LDR r5, [r4] // Pickup current thread pointer
|
||||||
@ -123,8 +113,11 @@ _tx_skip_solicited_vfp_save:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r0, #0 // Build a solicited stack type
|
MOV r0, #0 // Build a solicited stack type
|
||||||
MRS r1, CPSR // Pickup the CPSR
|
MRS r1, CPSR // Pickup the CPSR, T bit is always cleared by hardware
|
||||||
STMDB sp!, {r0-r1} // Save type and CPSR
|
TST lr, #1 // Check if calling function is in Thumb mode
|
||||||
|
IT NE
|
||||||
|
ORRNE r1, #0x20 // Set the T bit so that the correct mode is set on return
|
||||||
|
PUSH {r0-r1} // Save type and CPSR
|
||||||
|
|
||||||
/* Lockout interrupts. */
|
/* Lockout interrupts. */
|
||||||
|
|
||||||
|
|||||||
@ -23,8 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Define Assembly language external references... */
|
/* Define Assembly language external references... */
|
||||||
|
|
||||||
@ -37,26 +41,6 @@
|
|||||||
.global _tx_timer_expired
|
.global _tx_timer_expired
|
||||||
.global _tx_thread_time_slice
|
.global _tx_thread_time_slice
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_timer_interrupt for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_timer_interrupt
|
|
||||||
.type $_tx_timer_interrupt,function
|
|
||||||
$_tx_timer_interrupt:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_timer_interrupt // Call _tx_timer_interrupt function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -64,7 +48,7 @@ $_tx_timer_interrupt:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_timer_interrupt ARMv7-A */
|
/* _tx_timer_interrupt ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -104,8 +88,14 @@ $_tx_timer_interrupt:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_timer_interrupt
|
.global _tx_timer_interrupt
|
||||||
.type _tx_timer_interrupt,function
|
.type _tx_timer_interrupt,function
|
||||||
_tx_timer_interrupt:
|
_tx_timer_interrupt:
|
||||||
@ -197,7 +187,7 @@ __tx_timer_done:
|
|||||||
|
|
||||||
__tx_something_expired:
|
__tx_something_expired:
|
||||||
|
|
||||||
STMDB sp!, {r0, lr} // Save the lr register on the stack
|
PUSH {r0, lr} // Save the lr register on the stack
|
||||||
// and save r0 just to keep 8-byte alignment
|
// and save r0 just to keep 8-byte alignment
|
||||||
|
|
||||||
/* Did a timer expire? */
|
/* Did a timer expire? */
|
||||||
@ -225,13 +215,9 @@ __tx_timer_dont_activate:
|
|||||||
|
|
||||||
__tx_timer_not_ts_expiration:
|
__tx_timer_not_ts_expiration:
|
||||||
|
|
||||||
LDMIA sp!, {r0, lr} // Recover lr register (r0 is just there for
|
POP {r0, lr} // Recover lr register (r0 is just there for
|
||||||
// the 8-byte stack alignment
|
// the 8-byte stack alignment
|
||||||
|
|
||||||
__tx_timer_nothing_expired:
|
__tx_timer_nothing_expired:
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -1,15 +1,30 @@
|
|||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* .text is used instead of .section .text so it works with arm-aout too. */
|
/* .text is used instead of .section .text so it works with arm-aout too. */
|
||||||
.text
|
.text
|
||||||
.code 32
|
|
||||||
.align 0
|
.align 0
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _mainCRTStartup
|
.global _mainCRTStartup
|
||||||
|
_mainCRTStartup:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _start
|
.global _start
|
||||||
|
_start:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global start
|
.global start
|
||||||
start:
|
start:
|
||||||
_start:
|
|
||||||
_mainCRTStartup:
|
|
||||||
|
|
||||||
/* Start by setting up a stack */
|
/* Start by setting up a stack */
|
||||||
/* Set up the stack pointer to a fixed value */
|
/* Set up the stack pointer to a fixed value */
|
||||||
@ -69,24 +84,12 @@ _mainCRTStartup:
|
|||||||
.word _fini
|
.word _fini
|
||||||
#endif */
|
#endif */
|
||||||
/* Return ... */
|
/* Return ... */
|
||||||
#ifdef __APCS_26__
|
|
||||||
movs pc, lr
|
|
||||||
#else
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
bx lr
|
bx lr
|
||||||
#else
|
|
||||||
mov pc, lr
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
.global _fini
|
.global _fini
|
||||||
.type _fini,function
|
.type _fini,function
|
||||||
_fini:
|
_fini:
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Workspace for Angel calls. */
|
/* Workspace for Angel calls. */
|
||||||
.data
|
.data
|
||||||
|
|||||||
@ -23,16 +23,16 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
.thumb
|
||||||
SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
|
|
||||||
IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
|
|
||||||
#else
|
#else
|
||||||
SVC_MODE = 0x93 // Disable IRQ, SVC mode
|
.arm
|
||||||
IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
IRQ_MODE = 0x12 // IRQ mode
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_restore ARMv7-A */
|
/* _tx_thread_context_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_restore
|
.global _tx_thread_context_restore
|
||||||
@ -129,9 +131,9 @@ _tx_thread_context_restore:
|
|||||||
/* Just recover the saved registers and return to the point of
|
/* Just recover the saved registers and return to the point of
|
||||||
interrupt. */
|
interrupt. */
|
||||||
|
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_not_nested_restore:
|
__tx_thread_not_nested_restore:
|
||||||
@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
|
|||||||
/* Pickup the saved stack pointer. */
|
/* Pickup the saved stack pointer. */
|
||||||
|
|
||||||
/* Recover the saved context and return to the point of interrupt. */
|
/* Recover the saved context and return to the point of interrupt. */
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_preempt_restore:
|
__tx_thread_preempt_restore:
|
||||||
|
|
||||||
LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
|
POP {r3, r10, r12, lr} // Recover temporarily saved registers
|
||||||
MOV r1, lr // Save lr (point of interrupt)
|
MOV r1, lr // Save lr (point of interrupt)
|
||||||
MOV r2, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r2 // Enter SVC mode
|
|
||||||
STR r1, [sp, #-4]! // Save point of interrupt
|
STR r1, [sp, #-4]! // Save point of interrupt
|
||||||
STMDB sp!, {r4-r12, lr} // Save upper half of registers
|
PUSH {r4-r12, lr} // Save upper half of registers
|
||||||
MOV r4, r3 // Save SPSR in r4
|
MOV r4, r3 // Save SPSR in r4
|
||||||
MOV r2, #IRQ_MODE // Build IRQ mode CPSR
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
MSR CPSR_c, r2 // Enter IRQ mode
|
POP {r0-r3} // Recover r0-r3
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MOV r5, #SVC_MODE // Build SVC mode CPSR
|
PUSH {r0-r3} // Save r0-r3 on thread's stack
|
||||||
MSR CPSR_c, r5 // Enter SVC mode
|
|
||||||
STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
|
|
||||||
|
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
|
|||||||
STR r2, [sp, #-4]! // Save FPSCR
|
STR r2, [sp, #-4]! // Save FPSCR
|
||||||
VSTMDB sp!, {D16-D31} // Save D16-D31
|
VSTMDB sp!, {D16-D31} // Save D16-D31
|
||||||
VSTMDB sp!, {D0-D15} // Save D0-D15
|
VSTMDB sp!, {D0-D15} // Save D0-D15
|
||||||
|
|
||||||
_tx_skip_irq_vfp_save:
|
_tx_skip_irq_vfp_save:
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
|
PUSH {r3, r4} // Save interrupt stack type and SPSR
|
||||||
STR sp, [r0, #8] // Save stack pointer in thread control
|
STR sp, [r0, #8] // Save stack pointer in thread control
|
||||||
// block
|
// block
|
||||||
|
|
||||||
@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
|
|||||||
__tx_thread_idle_system_restore:
|
__tx_thread_idle_system_restore:
|
||||||
|
|
||||||
/* Just return back to the scheduler! */
|
/* Just return back to the scheduler! */
|
||||||
MOV r0, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r0 // Enter SVC mode
|
|
||||||
B _tx_thread_schedule // Return to scheduler
|
B _tx_thread_schedule // Return to scheduler
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global __tx_irq_processing_return
|
.global __tx_irq_processing_return
|
||||||
@ -31,7 +38,6 @@
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +45,7 @@
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_save ARMv7-A */
|
/* _tx_thread_context_save ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -79,6 +85,9 @@
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_save
|
.global _tx_thread_context_save
|
||||||
@ -90,7 +99,7 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Check for a nested interrupt condition. */
|
/* Check for a nested interrupt condition. */
|
||||||
|
|
||||||
STMDB sp!, {r0-r3} // Save some working registers
|
PUSH {r0-r3} // Save some working registers
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Disable FIQ interrupts
|
CPSID if // Disable FIQ interrupts
|
||||||
#endif
|
#endif
|
||||||
@ -101,15 +110,15 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Nested interrupt condition. */
|
/* Nested interrupt condition. */
|
||||||
|
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
|
|
||||||
/* Save the rest of the scratch registers on the stack and return to the
|
/* Save the rest of the scratch registers on the stack and return to the
|
||||||
calling ISR. */
|
calling ISR. */
|
||||||
|
|
||||||
MRS r0, SPSR // Pickup saved SPSR
|
MRS r0, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r0, r10, r12, lr} // Store other registers
|
PUSH {r0, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
/* Return to the ISR. */
|
/* Return to the ISR. */
|
||||||
|
|
||||||
@ -129,7 +138,7 @@ _tx_thread_context_save:
|
|||||||
__tx_thread_not_nested_save:
|
__tx_thread_not_nested_save:
|
||||||
|
|
||||||
/* Otherwise, not nested, check to see if a thread was running. */
|
/* Otherwise, not nested, check to see if a thread was running. */
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
|
|||||||
/* Save minimal context of interrupted thread. */
|
/* Save minimal context of interrupted thread. */
|
||||||
|
|
||||||
MRS r2, SPSR // Pickup saved SPSR
|
MRS r2, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r2, r10, r12, lr} // Store other registers
|
PUSH {r2, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
MOV r10, #0 // Clear stack limit
|
MOV r10, #0 // Clear stack limit
|
||||||
|
|
||||||
@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
|
|||||||
POP {lr} // Recover ISR lr
|
POP {lr} // Recover ISR lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
ADD sp, sp, #16 // Recover saved registers
|
ADD sp, #16 // Recover saved registers
|
||||||
B __tx_irq_processing_return // Continue IRQ processing
|
B __tx_irq_processing_return // Continue IRQ processing
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_end
|
.global _tx_thread_fiq_nesting_end
|
||||||
.type _tx_thread_fiq_nesting_end,function
|
.type _tx_thread_fiq_nesting_end,function
|
||||||
_tx_thread_fiq_nesting_end:
|
_tx_thread_fiq_nesting_end:
|
||||||
@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
|
|||||||
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
FIQ_DISABLE = 0x40 // FIQ disable bit
|
FIQ_DISABLE = 0x40 // FIQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
@ -23,22 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_disable for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_disable
|
|
||||||
$_tx_thread_interrupt_disable:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_disable // Call _tx_thread_interrupt_disable function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +37,7 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_disable ARMv7-A */
|
/* _tx_thread_interrupt_disable ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -82,8 +72,14 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_disable
|
.global _tx_thread_interrupt_disable
|
||||||
.type _tx_thread_interrupt_disable,function
|
.type _tx_thread_interrupt_disable,function
|
||||||
_tx_thread_interrupt_disable:
|
_tx_thread_interrupt_disable:
|
||||||
@ -100,8 +96,4 @@ _tx_thread_interrupt_disable:
|
|||||||
CPSID i // Disable IRQ
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,22 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_restore for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_restore
|
|
||||||
$_tx_thread_interrupt_restore:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_restore // Call _tx_thread_interrupt_restore function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +42,7 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_restore ARMv7-A */
|
/* _tx_thread_interrupt_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -83,17 +78,27 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_restore
|
.global _tx_thread_interrupt_restore
|
||||||
.type _tx_thread_interrupt_restore,function
|
.type _tx_thread_interrupt_restore,function
|
||||||
_tx_thread_interrupt_restore:
|
_tx_thread_interrupt_restore:
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
MSR CPSR_c, r0 // Setup new CPSR
|
CPSIE i
|
||||||
#ifdef __THUMB_INTERWORK
|
no_irq:
|
||||||
BX lr // Return to caller
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
#else
|
TST r0, #FIQ_MASK
|
||||||
MOV pc, lr // Return to caller
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
BX lr // Return to caller
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_end ARMv7-A */
|
/* _tx_thread_irq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_end
|
.global _tx_thread_irq_nesting_end
|
||||||
.type _tx_thread_irq_nesting_end,function
|
.type _tx_thread_irq_nesting_end,function
|
||||||
_tx_thread_irq_nesting_end:
|
_tx_thread_irq_nesting_end:
|
||||||
@ -102,8 +110,4 @@ _tx_thread_irq_nesting_end:
|
|||||||
BIC r0, r0, #MODE_MASK // Clear mode bits
|
BIC r0, r0, #MODE_MASK // Clear mode bits
|
||||||
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
IRQ_DISABLE = 0x80 // IRQ disable bit
|
IRQ_DISABLE = 0x80 // IRQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_start ARMv7-A */
|
/* _tx_thread_irq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_start
|
.global _tx_thread_irq_nesting_start
|
||||||
.type _tx_thread_irq_nesting_start,function
|
.type _tx_thread_irq_nesting_start,function
|
||||||
_tx_thread_irq_nesting_start:
|
_tx_thread_irq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_irq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,37 +23,29 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_schedule for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
.global $_tx_thread_schedule
|
|
||||||
.type $_tx_thread_schedule,function
|
|
||||||
$_tx_thread_schedule:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_schedule // Call _tx_thread_schedule function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#define IRQ_MODE 0x12 // IRQ mode
|
||||||
|
#define SVC_MODE 0x13 // SVC mode
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* */
|
/* */
|
||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_schedule ARMv7-A */
|
/* _tx_thread_schedule ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -95,8 +87,14 @@ $_tx_thread_schedule:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
.type _tx_thread_schedule,function
|
.type _tx_thread_schedule,function
|
||||||
_tx_thread_schedule:
|
_tx_thread_schedule:
|
||||||
@ -140,11 +138,11 @@ __tx_thread_schedule_loop:
|
|||||||
|
|
||||||
/* Setup time-slice, if present. */
|
/* Setup time-slice, if present. */
|
||||||
|
|
||||||
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice
|
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice variable
|
||||||
// variable
|
|
||||||
LDR sp, [r0, #8] // Switch stack pointers
|
|
||||||
STR r3, [r2] // Setup time-slice
|
STR r3, [r2] // Setup time-slice
|
||||||
|
|
||||||
|
LDR sp, [r0, #8] // Switch stack pointers
|
||||||
|
|
||||||
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
||||||
|
|
||||||
/* Call the thread entry function to indicate the thread is executing. */
|
/* Call the thread entry function to indicate the thread is executing. */
|
||||||
@ -154,16 +152,25 @@ __tx_thread_schedule_loop:
|
|||||||
MOV r0, r5 // Restore r0
|
MOV r0, r5 // Restore r0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Determine if an interrupt frame or a synchronous task suspension frame
|
/* Determine if an interrupt frame or a synchronous task suspension frame is present. */
|
||||||
is present. */
|
|
||||||
|
|
||||||
LDMIA sp!, {r4, r5} // Pickup the stack type and saved CPSR
|
POP {r4, r5} // Pickup the stack type and saved CPSR
|
||||||
CMP r4, #0 // Check for synchronous context switch
|
CMP r4, #0 // Check for synchronous context switch
|
||||||
BEQ _tx_solicited_return
|
BEQ _tx_solicited_return
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
#else
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
LDR r1, [r0, #8] // Get thread SP
|
||||||
|
LDR lr, [r1, #0x40] // Get thread PC
|
||||||
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
LDR r1, [r0, #144] // Pickup the VFP enabled flag
|
LDR r2, [r0, #144] // Pickup the VFP enabled flag
|
||||||
CMP r1, #0 // Is the VFP enabled?
|
CMP r2, #0 // Is the VFP enabled?
|
||||||
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
||||||
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
||||||
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
||||||
@ -171,7 +178,15 @@ __tx_thread_schedule_loop:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_interrupt_vfp_restore:
|
_tx_skip_interrupt_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
||||||
|
#else
|
||||||
|
POP {r0-r12, lr} // Restore registers
|
||||||
|
ADD sp, #4 // Fix stack pointer (skip PC saved on stack)
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
SUBS pc, lr, #0 // Return to point of thread interrupt
|
||||||
|
#endif
|
||||||
|
|
||||||
_tx_solicited_return:
|
_tx_solicited_return:
|
||||||
|
|
||||||
@ -185,52 +200,63 @@ _tx_solicited_return:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_solicited_vfp_restore:
|
_tx_skip_solicited_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MSR CPSR_cxsf, r5 // Recover CPSR
|
MSR CPSR_cxsf, r5 // Recover CPSR
|
||||||
LDMIA sp!, {r4-r11, lr} // Return to thread synchronously
|
POP {r4-r11, lr} // Restore registers
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_enable
|
.global tx_thread_vfp_enable
|
||||||
.type tx_thread_vfp_enable,function
|
.type tx_thread_vfp_enable,function
|
||||||
tx_thread_vfp_enable:
|
tx_thread_vfp_enable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_enable // If NULL, skip VFP enable
|
BEQ restore_ints // If NULL, skip VFP enable
|
||||||
MOV r0, #1 // Build enable value
|
MOV r2, #1 // Build enable value
|
||||||
STR r0, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_enable:
|
B restore_ints
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
|
||||||
BX LR // Return to caller
|
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_disable
|
.global tx_thread_vfp_disable
|
||||||
.type tx_thread_vfp_disable,function
|
.type tx_thread_vfp_disable,function
|
||||||
tx_thread_vfp_disable:
|
tx_thread_vfp_disable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_disable // If NULL, skip VFP disable
|
BEQ restore_ints // If NULL, skip VFP disable
|
||||||
MOV r0, #0 // Build disable value
|
MOV r2, #0 // Build disable value
|
||||||
STR r0, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_disable:
|
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
restore_ints:
|
||||||
BX LR // Return to caller
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
BX lr
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -23,33 +23,22 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
SVC_MODE = 0x13 // SVC mode
|
.thumb
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
|
||||||
CPSR_MASK = 0xDF // Mask initial CPSR, IRQ & FIQ interrupts enabled
|
|
||||||
#else
|
#else
|
||||||
CPSR_MASK = 0x9F // Mask initial CPSR, IRQ interrupts enabled
|
.arm
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_stack_build for
|
THUMB_MASK = 0x20 // Thumb bit mask
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_thread_stack_build
|
|
||||||
.type $_tx_thread_stack_build,function
|
|
||||||
$_tx_thread_stack_build:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_stack_build // Call _tx_thread_stack_build function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSR_MASK = 0xFF // Mask initial CPSR, T, IRQ & FIQ interrupts enabled
|
||||||
|
#else
|
||||||
|
CPSR_MASK = 0xBF // Mask initial CPSR, T, IRQ interrupts enabled
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -58,7 +47,7 @@ $_tx_thread_stack_build:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_stack_build ARMv7-A */
|
/* _tx_thread_stack_build ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -96,8 +85,14 @@ $_tx_thread_stack_build:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_stack_build
|
.global _tx_thread_stack_build
|
||||||
.type _tx_thread_stack_build,function
|
.type _tx_thread_stack_build,function
|
||||||
_tx_thread_stack_build:
|
_tx_thread_stack_build:
|
||||||
@ -135,6 +130,15 @@ _tx_thread_stack_build:
|
|||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STR r3, [r2, #0] // Store stack type
|
STR r3, [r2, #0] // Store stack type
|
||||||
|
|
||||||
|
MRS r3, CPSR // Pickup CPSR
|
||||||
|
BIC r3, #CPSR_MASK // Mask mode bits of CPSR
|
||||||
|
ORR r3, #SVC_MODE // Build CPSR, SYS mode, interrupts enabled
|
||||||
|
TST r1, #1 // Check if the initial PC is a Thumb function
|
||||||
|
IT NE
|
||||||
|
ORRNE r3, #THUMB_MASK // If the initial PC is a thumb function, CPSR must reflect this
|
||||||
|
STR r3, [r2, #4] // Store initial CPSR
|
||||||
|
|
||||||
MOV r3, #0 // Build initial register value
|
MOV r3, #0 // Build initial register value
|
||||||
STR r3, [r2, #8] // Store initial r0
|
STR r3, [r2, #8] // Store initial r0
|
||||||
STR r3, [r2, #12] // Store initial r1
|
STR r3, [r2, #12] // Store initial r1
|
||||||
@ -146,26 +150,20 @@ _tx_thread_stack_build:
|
|||||||
STR r3, [r2, #36] // Store initial r7
|
STR r3, [r2, #36] // Store initial r7
|
||||||
STR r3, [r2, #40] // Store initial r8
|
STR r3, [r2, #40] // Store initial r8
|
||||||
STR r3, [r2, #44] // Store initial r9
|
STR r3, [r2, #44] // Store initial r9
|
||||||
LDR r3, [r0, #12] // Pickup stack starting address
|
|
||||||
STR r3, [r2, #48] // Store initial r10 (sl)
|
|
||||||
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
|
||||||
STR r3, [r2, #60] // Store initial r14 (lr)
|
|
||||||
MOV r3, #0 // Build initial register value
|
|
||||||
STR r3, [r2, #52] // Store initial r11
|
STR r3, [r2, #52] // Store initial r11
|
||||||
STR r3, [r2, #56] // Store initial r12
|
STR r3, [r2, #56] // Store initial r12
|
||||||
STR r1, [r2, #64] // Store initial pc
|
|
||||||
STR r3, [r2, #68] // 0 for back-trace
|
STR r3, [r2, #68] // 0 for back-trace
|
||||||
MRS r1, CPSR // Pickup CPSR
|
|
||||||
BIC r1, r1, #CPSR_MASK // Mask mode bits of CPSR
|
LDR r3, [r0, #12] // Pickup stack starting address
|
||||||
ORR r3, r1, #SVC_MODE // Build CPSR, SVC mode, interrupts enabled
|
STR r3, [r2, #48] // Store initial r10 (sl)
|
||||||
STR r3, [r2, #4] // Store initial CPSR
|
|
||||||
|
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
||||||
|
STR r3, [r2, #60] // Store initial r14 (lr)
|
||||||
|
|
||||||
|
STR r1, [r2, #64] // Store initial pc
|
||||||
|
|
||||||
/* Setup stack pointer. */
|
/* Setup stack pointer. */
|
||||||
|
|
||||||
STR r2, [r0, #8] // Save stack pointer in thread's
|
STR r2, [r0, #8] // Save stack pointer in thread's
|
||||||
// control block
|
// control block
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,33 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_system_return for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_system_return
|
|
||||||
.type $_tx_thread_system_return,function
|
|
||||||
$_tx_thread_system_return:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_system_return // Call _tx_thread_system_return function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -57,7 +41,7 @@ $_tx_thread_system_return:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_system_return ARMv7-A */
|
/* _tx_thread_system_return ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -98,15 +82,21 @@ $_tx_thread_system_return:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_system_return
|
.global _tx_thread_system_return
|
||||||
.type _tx_thread_system_return,function
|
.type _tx_thread_system_return,function
|
||||||
_tx_thread_system_return:
|
_tx_thread_system_return:
|
||||||
|
|
||||||
/* Save minimal context on the stack. */
|
/* Save minimal context on the stack. */
|
||||||
|
|
||||||
STMDB sp!, {r4-r11, lr} // Save minimal context
|
PUSH {r4-r11, lr} // Save minimal context
|
||||||
|
|
||||||
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
||||||
LDR r5, [r4] // Pickup current thread pointer
|
LDR r5, [r4] // Pickup current thread pointer
|
||||||
@ -123,8 +113,11 @@ _tx_skip_solicited_vfp_save:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r0, #0 // Build a solicited stack type
|
MOV r0, #0 // Build a solicited stack type
|
||||||
MRS r1, CPSR // Pickup the CPSR
|
MRS r1, CPSR // Pickup the CPSR, T bit is always cleared by hardware
|
||||||
STMDB sp!, {r0-r1} // Save type and CPSR
|
TST lr, #1 // Check if calling function is in Thumb mode
|
||||||
|
IT NE
|
||||||
|
ORRNE r1, #0x20 // Set the T bit so that the correct mode is set on return
|
||||||
|
PUSH {r0-r1} // Save type and CPSR
|
||||||
|
|
||||||
/* Lockout interrupts. */
|
/* Lockout interrupts. */
|
||||||
|
|
||||||
|
|||||||
@ -23,8 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Define Assembly language external references... */
|
/* Define Assembly language external references... */
|
||||||
|
|
||||||
@ -37,26 +41,6 @@
|
|||||||
.global _tx_timer_expired
|
.global _tx_timer_expired
|
||||||
.global _tx_thread_time_slice
|
.global _tx_thread_time_slice
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_timer_interrupt for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_timer_interrupt
|
|
||||||
.type $_tx_timer_interrupt,function
|
|
||||||
$_tx_timer_interrupt:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_timer_interrupt // Call _tx_timer_interrupt function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -64,7 +48,7 @@ $_tx_timer_interrupt:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_timer_interrupt ARMv7-A */
|
/* _tx_timer_interrupt ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -104,8 +88,14 @@ $_tx_timer_interrupt:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_timer_interrupt
|
.global _tx_timer_interrupt
|
||||||
.type _tx_timer_interrupt,function
|
.type _tx_timer_interrupt,function
|
||||||
_tx_timer_interrupt:
|
_tx_timer_interrupt:
|
||||||
@ -197,7 +187,7 @@ __tx_timer_done:
|
|||||||
|
|
||||||
__tx_something_expired:
|
__tx_something_expired:
|
||||||
|
|
||||||
STMDB sp!, {r0, lr} // Save the lr register on the stack
|
PUSH {r0, lr} // Save the lr register on the stack
|
||||||
// and save r0 just to keep 8-byte alignment
|
// and save r0 just to keep 8-byte alignment
|
||||||
|
|
||||||
/* Did a timer expire? */
|
/* Did a timer expire? */
|
||||||
@ -225,13 +215,9 @@ __tx_timer_dont_activate:
|
|||||||
|
|
||||||
__tx_timer_not_ts_expiration:
|
__tx_timer_not_ts_expiration:
|
||||||
|
|
||||||
LDMIA sp!, {r0, lr} // Recover lr register (r0 is just there for
|
POP {r0, lr} // Recover lr register (r0 is just there for
|
||||||
// the 8-byte stack alignment
|
// the 8-byte stack alignment
|
||||||
|
|
||||||
__tx_timer_nothing_expired:
|
__tx_timer_nothing_expired:
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,16 +23,16 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
.thumb
|
||||||
SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
|
|
||||||
IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
|
|
||||||
#else
|
#else
|
||||||
SVC_MODE = 0x93 // Disable IRQ, SVC mode
|
.arm
|
||||||
IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
IRQ_MODE = 0x12 // IRQ mode
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_restore ARMv7-A */
|
/* _tx_thread_context_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_restore
|
.global _tx_thread_context_restore
|
||||||
@ -129,9 +131,9 @@ _tx_thread_context_restore:
|
|||||||
/* Just recover the saved registers and return to the point of
|
/* Just recover the saved registers and return to the point of
|
||||||
interrupt. */
|
interrupt. */
|
||||||
|
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_not_nested_restore:
|
__tx_thread_not_nested_restore:
|
||||||
@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
|
|||||||
/* Pickup the saved stack pointer. */
|
/* Pickup the saved stack pointer. */
|
||||||
|
|
||||||
/* Recover the saved context and return to the point of interrupt. */
|
/* Recover the saved context and return to the point of interrupt. */
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_preempt_restore:
|
__tx_thread_preempt_restore:
|
||||||
|
|
||||||
LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
|
POP {r3, r10, r12, lr} // Recover temporarily saved registers
|
||||||
MOV r1, lr // Save lr (point of interrupt)
|
MOV r1, lr // Save lr (point of interrupt)
|
||||||
MOV r2, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r2 // Enter SVC mode
|
|
||||||
STR r1, [sp, #-4]! // Save point of interrupt
|
STR r1, [sp, #-4]! // Save point of interrupt
|
||||||
STMDB sp!, {r4-r12, lr} // Save upper half of registers
|
PUSH {r4-r12, lr} // Save upper half of registers
|
||||||
MOV r4, r3 // Save SPSR in r4
|
MOV r4, r3 // Save SPSR in r4
|
||||||
MOV r2, #IRQ_MODE // Build IRQ mode CPSR
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
MSR CPSR_c, r2 // Enter IRQ mode
|
POP {r0-r3} // Recover r0-r3
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MOV r5, #SVC_MODE // Build SVC mode CPSR
|
PUSH {r0-r3} // Save r0-r3 on thread's stack
|
||||||
MSR CPSR_c, r5 // Enter SVC mode
|
|
||||||
STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
|
|
||||||
|
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
|
|||||||
STR r2, [sp, #-4]! // Save FPSCR
|
STR r2, [sp, #-4]! // Save FPSCR
|
||||||
VSTMDB sp!, {D16-D31} // Save D16-D31
|
VSTMDB sp!, {D16-D31} // Save D16-D31
|
||||||
VSTMDB sp!, {D0-D15} // Save D0-D15
|
VSTMDB sp!, {D0-D15} // Save D0-D15
|
||||||
|
|
||||||
_tx_skip_irq_vfp_save:
|
_tx_skip_irq_vfp_save:
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
|
PUSH {r3, r4} // Save interrupt stack type and SPSR
|
||||||
STR sp, [r0, #8] // Save stack pointer in thread control
|
STR sp, [r0, #8] // Save stack pointer in thread control
|
||||||
// block
|
// block
|
||||||
|
|
||||||
@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
|
|||||||
__tx_thread_idle_system_restore:
|
__tx_thread_idle_system_restore:
|
||||||
|
|
||||||
/* Just return back to the scheduler! */
|
/* Just return back to the scheduler! */
|
||||||
MOV r0, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r0 // Enter SVC mode
|
|
||||||
B _tx_thread_schedule // Return to scheduler
|
B _tx_thread_schedule // Return to scheduler
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global __tx_irq_processing_return
|
.global __tx_irq_processing_return
|
||||||
@ -31,7 +38,6 @@
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +45,7 @@
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_save ARMv7-A */
|
/* _tx_thread_context_save ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -79,6 +85,9 @@
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_save
|
.global _tx_thread_context_save
|
||||||
@ -90,7 +99,7 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Check for a nested interrupt condition. */
|
/* Check for a nested interrupt condition. */
|
||||||
|
|
||||||
STMDB sp!, {r0-r3} // Save some working registers
|
PUSH {r0-r3} // Save some working registers
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Disable FIQ interrupts
|
CPSID if // Disable FIQ interrupts
|
||||||
#endif
|
#endif
|
||||||
@ -101,15 +110,15 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Nested interrupt condition. */
|
/* Nested interrupt condition. */
|
||||||
|
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
|
|
||||||
/* Save the rest of the scratch registers on the stack and return to the
|
/* Save the rest of the scratch registers on the stack and return to the
|
||||||
calling ISR. */
|
calling ISR. */
|
||||||
|
|
||||||
MRS r0, SPSR // Pickup saved SPSR
|
MRS r0, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r0, r10, r12, lr} // Store other registers
|
PUSH {r0, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
/* Return to the ISR. */
|
/* Return to the ISR. */
|
||||||
|
|
||||||
@ -129,7 +138,7 @@ _tx_thread_context_save:
|
|||||||
__tx_thread_not_nested_save:
|
__tx_thread_not_nested_save:
|
||||||
|
|
||||||
/* Otherwise, not nested, check to see if a thread was running. */
|
/* Otherwise, not nested, check to see if a thread was running. */
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
|
|||||||
/* Save minimal context of interrupted thread. */
|
/* Save minimal context of interrupted thread. */
|
||||||
|
|
||||||
MRS r2, SPSR // Pickup saved SPSR
|
MRS r2, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r2, r10, r12, lr} // Store other registers
|
PUSH {r2, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
MOV r10, #0 // Clear stack limit
|
MOV r10, #0 // Clear stack limit
|
||||||
|
|
||||||
@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
|
|||||||
POP {lr} // Recover ISR lr
|
POP {lr} // Recover ISR lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
ADD sp, sp, #16 // Recover saved registers
|
ADD sp, #16 // Recover saved registers
|
||||||
B __tx_irq_processing_return // Continue IRQ processing
|
B __tx_irq_processing_return // Continue IRQ processing
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_end
|
.global _tx_thread_fiq_nesting_end
|
||||||
.type _tx_thread_fiq_nesting_end,function
|
.type _tx_thread_fiq_nesting_end,function
|
||||||
_tx_thread_fiq_nesting_end:
|
_tx_thread_fiq_nesting_end:
|
||||||
@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
|
|||||||
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
FIQ_DISABLE = 0x40 // FIQ disable bit
|
FIQ_DISABLE = 0x40 // FIQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
@ -23,22 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_disable for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_disable
|
|
||||||
$_tx_thread_interrupt_disable:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_disable // Call _tx_thread_interrupt_disable function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +37,7 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_disable ARMv7-A */
|
/* _tx_thread_interrupt_disable ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -82,8 +72,14 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_disable
|
.global _tx_thread_interrupt_disable
|
||||||
.type _tx_thread_interrupt_disable,function
|
.type _tx_thread_interrupt_disable,function
|
||||||
_tx_thread_interrupt_disable:
|
_tx_thread_interrupt_disable:
|
||||||
@ -100,8 +96,4 @@ _tx_thread_interrupt_disable:
|
|||||||
CPSID i // Disable IRQ
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,22 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_restore for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_restore
|
|
||||||
$_tx_thread_interrupt_restore:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_restore // Call _tx_thread_interrupt_restore function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +42,7 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_restore ARMv7-A */
|
/* _tx_thread_interrupt_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -83,17 +78,27 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_restore
|
.global _tx_thread_interrupt_restore
|
||||||
.type _tx_thread_interrupt_restore,function
|
.type _tx_thread_interrupt_restore,function
|
||||||
_tx_thread_interrupt_restore:
|
_tx_thread_interrupt_restore:
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
MSR CPSR_c, r0 // Setup new CPSR
|
CPSIE i
|
||||||
#ifdef __THUMB_INTERWORK
|
no_irq:
|
||||||
BX lr // Return to caller
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
#else
|
TST r0, #FIQ_MASK
|
||||||
MOV pc, lr // Return to caller
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
BX lr // Return to caller
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_end ARMv7-A */
|
/* _tx_thread_irq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_end
|
.global _tx_thread_irq_nesting_end
|
||||||
.type _tx_thread_irq_nesting_end,function
|
.type _tx_thread_irq_nesting_end,function
|
||||||
_tx_thread_irq_nesting_end:
|
_tx_thread_irq_nesting_end:
|
||||||
@ -102,8 +110,4 @@ _tx_thread_irq_nesting_end:
|
|||||||
BIC r0, r0, #MODE_MASK // Clear mode bits
|
BIC r0, r0, #MODE_MASK // Clear mode bits
|
||||||
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
IRQ_DISABLE = 0x80 // IRQ disable bit
|
IRQ_DISABLE = 0x80 // IRQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_start ARMv7-A */
|
/* _tx_thread_irq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_start
|
.global _tx_thread_irq_nesting_start
|
||||||
.type _tx_thread_irq_nesting_start,function
|
.type _tx_thread_irq_nesting_start,function
|
||||||
_tx_thread_irq_nesting_start:
|
_tx_thread_irq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_irq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,37 +23,29 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_schedule for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
.global $_tx_thread_schedule
|
|
||||||
.type $_tx_thread_schedule,function
|
|
||||||
$_tx_thread_schedule:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_schedule // Call _tx_thread_schedule function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#define IRQ_MODE 0x12 // IRQ mode
|
||||||
|
#define SVC_MODE 0x13 // SVC mode
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* */
|
/* */
|
||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_schedule ARMv7-A */
|
/* _tx_thread_schedule ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -95,8 +87,14 @@ $_tx_thread_schedule:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
.type _tx_thread_schedule,function
|
.type _tx_thread_schedule,function
|
||||||
_tx_thread_schedule:
|
_tx_thread_schedule:
|
||||||
@ -140,11 +138,11 @@ __tx_thread_schedule_loop:
|
|||||||
|
|
||||||
/* Setup time-slice, if present. */
|
/* Setup time-slice, if present. */
|
||||||
|
|
||||||
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice
|
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice variable
|
||||||
// variable
|
|
||||||
LDR sp, [r0, #8] // Switch stack pointers
|
|
||||||
STR r3, [r2] // Setup time-slice
|
STR r3, [r2] // Setup time-slice
|
||||||
|
|
||||||
|
LDR sp, [r0, #8] // Switch stack pointers
|
||||||
|
|
||||||
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
||||||
|
|
||||||
/* Call the thread entry function to indicate the thread is executing. */
|
/* Call the thread entry function to indicate the thread is executing. */
|
||||||
@ -154,16 +152,25 @@ __tx_thread_schedule_loop:
|
|||||||
MOV r0, r5 // Restore r0
|
MOV r0, r5 // Restore r0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Determine if an interrupt frame or a synchronous task suspension frame
|
/* Determine if an interrupt frame or a synchronous task suspension frame is present. */
|
||||||
is present. */
|
|
||||||
|
|
||||||
LDMIA sp!, {r4, r5} // Pickup the stack type and saved CPSR
|
POP {r4, r5} // Pickup the stack type and saved CPSR
|
||||||
CMP r4, #0 // Check for synchronous context switch
|
CMP r4, #0 // Check for synchronous context switch
|
||||||
BEQ _tx_solicited_return
|
BEQ _tx_solicited_return
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
#else
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
LDR r1, [r0, #8] // Get thread SP
|
||||||
|
LDR lr, [r1, #0x40] // Get thread PC
|
||||||
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
LDR r1, [r0, #144] // Pickup the VFP enabled flag
|
LDR r2, [r0, #144] // Pickup the VFP enabled flag
|
||||||
CMP r1, #0 // Is the VFP enabled?
|
CMP r2, #0 // Is the VFP enabled?
|
||||||
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
||||||
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
||||||
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
||||||
@ -171,7 +178,15 @@ __tx_thread_schedule_loop:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_interrupt_vfp_restore:
|
_tx_skip_interrupt_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
||||||
|
#else
|
||||||
|
POP {r0-r12, lr} // Restore registers
|
||||||
|
ADD sp, #4 // Fix stack pointer (skip PC saved on stack)
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
SUBS pc, lr, #0 // Return to point of thread interrupt
|
||||||
|
#endif
|
||||||
|
|
||||||
_tx_solicited_return:
|
_tx_solicited_return:
|
||||||
|
|
||||||
@ -185,52 +200,63 @@ _tx_solicited_return:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_solicited_vfp_restore:
|
_tx_skip_solicited_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MSR CPSR_cxsf, r5 // Recover CPSR
|
MSR CPSR_cxsf, r5 // Recover CPSR
|
||||||
LDMIA sp!, {r4-r11, lr} // Return to thread synchronously
|
POP {r4-r11, lr} // Restore registers
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_enable
|
.global tx_thread_vfp_enable
|
||||||
.type tx_thread_vfp_enable,function
|
.type tx_thread_vfp_enable,function
|
||||||
tx_thread_vfp_enable:
|
tx_thread_vfp_enable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_enable // If NULL, skip VFP enable
|
BEQ restore_ints // If NULL, skip VFP enable
|
||||||
MOV r0, #1 // Build enable value
|
MOV r2, #1 // Build enable value
|
||||||
STR r0, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_enable:
|
B restore_ints
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
|
||||||
BX LR // Return to caller
|
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_disable
|
.global tx_thread_vfp_disable
|
||||||
.type tx_thread_vfp_disable,function
|
.type tx_thread_vfp_disable,function
|
||||||
tx_thread_vfp_disable:
|
tx_thread_vfp_disable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_disable // If NULL, skip VFP disable
|
BEQ restore_ints // If NULL, skip VFP disable
|
||||||
MOV r0, #0 // Build disable value
|
MOV r2, #0 // Build disable value
|
||||||
STR r0, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_disable:
|
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
restore_ints:
|
||||||
BX LR // Return to caller
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
BX lr
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -23,33 +23,22 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
SVC_MODE = 0x13 // SVC mode
|
.thumb
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
|
||||||
CPSR_MASK = 0xDF // Mask initial CPSR, IRQ & FIQ interrupts enabled
|
|
||||||
#else
|
#else
|
||||||
CPSR_MASK = 0x9F // Mask initial CPSR, IRQ interrupts enabled
|
.arm
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_stack_build for
|
THUMB_MASK = 0x20 // Thumb bit mask
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_thread_stack_build
|
|
||||||
.type $_tx_thread_stack_build,function
|
|
||||||
$_tx_thread_stack_build:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_stack_build // Call _tx_thread_stack_build function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSR_MASK = 0xFF // Mask initial CPSR, T, IRQ & FIQ interrupts enabled
|
||||||
|
#else
|
||||||
|
CPSR_MASK = 0xBF // Mask initial CPSR, T, IRQ interrupts enabled
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -58,7 +47,7 @@ $_tx_thread_stack_build:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_stack_build ARMv7-A */
|
/* _tx_thread_stack_build ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -96,8 +85,14 @@ $_tx_thread_stack_build:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_stack_build
|
.global _tx_thread_stack_build
|
||||||
.type _tx_thread_stack_build,function
|
.type _tx_thread_stack_build,function
|
||||||
_tx_thread_stack_build:
|
_tx_thread_stack_build:
|
||||||
@ -135,6 +130,15 @@ _tx_thread_stack_build:
|
|||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STR r3, [r2, #0] // Store stack type
|
STR r3, [r2, #0] // Store stack type
|
||||||
|
|
||||||
|
MRS r3, CPSR // Pickup CPSR
|
||||||
|
BIC r3, #CPSR_MASK // Mask mode bits of CPSR
|
||||||
|
ORR r3, #SVC_MODE // Build CPSR, SYS mode, interrupts enabled
|
||||||
|
TST r1, #1 // Check if the initial PC is a Thumb function
|
||||||
|
IT NE
|
||||||
|
ORRNE r3, #THUMB_MASK // If the initial PC is a thumb function, CPSR must reflect this
|
||||||
|
STR r3, [r2, #4] // Store initial CPSR
|
||||||
|
|
||||||
MOV r3, #0 // Build initial register value
|
MOV r3, #0 // Build initial register value
|
||||||
STR r3, [r2, #8] // Store initial r0
|
STR r3, [r2, #8] // Store initial r0
|
||||||
STR r3, [r2, #12] // Store initial r1
|
STR r3, [r2, #12] // Store initial r1
|
||||||
@ -146,26 +150,20 @@ _tx_thread_stack_build:
|
|||||||
STR r3, [r2, #36] // Store initial r7
|
STR r3, [r2, #36] // Store initial r7
|
||||||
STR r3, [r2, #40] // Store initial r8
|
STR r3, [r2, #40] // Store initial r8
|
||||||
STR r3, [r2, #44] // Store initial r9
|
STR r3, [r2, #44] // Store initial r9
|
||||||
LDR r3, [r0, #12] // Pickup stack starting address
|
|
||||||
STR r3, [r2, #48] // Store initial r10 (sl)
|
|
||||||
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
|
||||||
STR r3, [r2, #60] // Store initial r14 (lr)
|
|
||||||
MOV r3, #0 // Build initial register value
|
|
||||||
STR r3, [r2, #52] // Store initial r11
|
STR r3, [r2, #52] // Store initial r11
|
||||||
STR r3, [r2, #56] // Store initial r12
|
STR r3, [r2, #56] // Store initial r12
|
||||||
STR r1, [r2, #64] // Store initial pc
|
|
||||||
STR r3, [r2, #68] // 0 for back-trace
|
STR r3, [r2, #68] // 0 for back-trace
|
||||||
MRS r1, CPSR // Pickup CPSR
|
|
||||||
BIC r1, r1, #CPSR_MASK // Mask mode bits of CPSR
|
LDR r3, [r0, #12] // Pickup stack starting address
|
||||||
ORR r3, r1, #SVC_MODE // Build CPSR, SVC mode, interrupts enabled
|
STR r3, [r2, #48] // Store initial r10 (sl)
|
||||||
STR r3, [r2, #4] // Store initial CPSR
|
|
||||||
|
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
||||||
|
STR r3, [r2, #60] // Store initial r14 (lr)
|
||||||
|
|
||||||
|
STR r1, [r2, #64] // Store initial pc
|
||||||
|
|
||||||
/* Setup stack pointer. */
|
/* Setup stack pointer. */
|
||||||
|
|
||||||
STR r2, [r0, #8] // Save stack pointer in thread's
|
STR r2, [r0, #8] // Save stack pointer in thread's
|
||||||
// control block
|
// control block
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,33 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_system_return for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_system_return
|
|
||||||
.type $_tx_thread_system_return,function
|
|
||||||
$_tx_thread_system_return:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_system_return // Call _tx_thread_system_return function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -57,7 +41,7 @@ $_tx_thread_system_return:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_system_return ARMv7-A */
|
/* _tx_thread_system_return ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -98,15 +82,21 @@ $_tx_thread_system_return:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_system_return
|
.global _tx_thread_system_return
|
||||||
.type _tx_thread_system_return,function
|
.type _tx_thread_system_return,function
|
||||||
_tx_thread_system_return:
|
_tx_thread_system_return:
|
||||||
|
|
||||||
/* Save minimal context on the stack. */
|
/* Save minimal context on the stack. */
|
||||||
|
|
||||||
STMDB sp!, {r4-r11, lr} // Save minimal context
|
PUSH {r4-r11, lr} // Save minimal context
|
||||||
|
|
||||||
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
||||||
LDR r5, [r4] // Pickup current thread pointer
|
LDR r5, [r4] // Pickup current thread pointer
|
||||||
@ -123,8 +113,11 @@ _tx_skip_solicited_vfp_save:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r0, #0 // Build a solicited stack type
|
MOV r0, #0 // Build a solicited stack type
|
||||||
MRS r1, CPSR // Pickup the CPSR
|
MRS r1, CPSR // Pickup the CPSR, T bit is always cleared by hardware
|
||||||
STMDB sp!, {r0-r1} // Save type and CPSR
|
TST lr, #1 // Check if calling function is in Thumb mode
|
||||||
|
IT NE
|
||||||
|
ORRNE r1, #0x20 // Set the T bit so that the correct mode is set on return
|
||||||
|
PUSH {r0-r1} // Save type and CPSR
|
||||||
|
|
||||||
/* Lockout interrupts. */
|
/* Lockout interrupts. */
|
||||||
|
|
||||||
|
|||||||
@ -23,8 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Define Assembly language external references... */
|
/* Define Assembly language external references... */
|
||||||
|
|
||||||
@ -37,26 +41,6 @@
|
|||||||
.global _tx_timer_expired
|
.global _tx_timer_expired
|
||||||
.global _tx_thread_time_slice
|
.global _tx_thread_time_slice
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_timer_interrupt for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_timer_interrupt
|
|
||||||
.type $_tx_timer_interrupt,function
|
|
||||||
$_tx_timer_interrupt:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_timer_interrupt // Call _tx_timer_interrupt function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -64,7 +48,7 @@ $_tx_timer_interrupt:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_timer_interrupt ARMv7-A */
|
/* _tx_timer_interrupt ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -104,8 +88,14 @@ $_tx_timer_interrupt:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_timer_interrupt
|
.global _tx_timer_interrupt
|
||||||
.type _tx_timer_interrupt,function
|
.type _tx_timer_interrupt,function
|
||||||
_tx_timer_interrupt:
|
_tx_timer_interrupt:
|
||||||
@ -197,7 +187,7 @@ __tx_timer_done:
|
|||||||
|
|
||||||
__tx_something_expired:
|
__tx_something_expired:
|
||||||
|
|
||||||
STMDB sp!, {r0, lr} // Save the lr register on the stack
|
PUSH {r0, lr} // Save the lr register on the stack
|
||||||
// and save r0 just to keep 8-byte alignment
|
// and save r0 just to keep 8-byte alignment
|
||||||
|
|
||||||
/* Did a timer expire? */
|
/* Did a timer expire? */
|
||||||
@ -225,13 +215,9 @@ __tx_timer_dont_activate:
|
|||||||
|
|
||||||
__tx_timer_not_ts_expiration:
|
__tx_timer_not_ts_expiration:
|
||||||
|
|
||||||
LDMIA sp!, {r0, lr} // Recover lr register (r0 is just there for
|
POP {r0, lr} // Recover lr register (r0 is just there for
|
||||||
// the 8-byte stack alignment
|
// the 8-byte stack alignment
|
||||||
|
|
||||||
__tx_timer_nothing_expired:
|
__tx_timer_nothing_expired:
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -1,15 +1,30 @@
|
|||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* .text is used instead of .section .text so it works with arm-aout too. */
|
/* .text is used instead of .section .text so it works with arm-aout too. */
|
||||||
.text
|
.text
|
||||||
.code 32
|
|
||||||
.align 0
|
.align 0
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _mainCRTStartup
|
.global _mainCRTStartup
|
||||||
|
_mainCRTStartup:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _start
|
.global _start
|
||||||
|
_start:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global start
|
.global start
|
||||||
start:
|
start:
|
||||||
_start:
|
|
||||||
_mainCRTStartup:
|
|
||||||
|
|
||||||
/* Start by setting up a stack */
|
/* Start by setting up a stack */
|
||||||
/* Set up the stack pointer to a fixed value */
|
/* Set up the stack pointer to a fixed value */
|
||||||
@ -69,24 +84,12 @@ _mainCRTStartup:
|
|||||||
.word _fini
|
.word _fini
|
||||||
#endif */
|
#endif */
|
||||||
/* Return ... */
|
/* Return ... */
|
||||||
#ifdef __APCS_26__
|
|
||||||
movs pc, lr
|
|
||||||
#else
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
bx lr
|
bx lr
|
||||||
#else
|
|
||||||
mov pc, lr
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
.global _fini
|
.global _fini
|
||||||
.type _fini,function
|
.type _fini,function
|
||||||
_fini:
|
_fini:
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Workspace for Angel calls. */
|
/* Workspace for Angel calls. */
|
||||||
.data
|
.data
|
||||||
|
|||||||
@ -23,16 +23,16 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
.thumb
|
||||||
SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
|
|
||||||
IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
|
|
||||||
#else
|
#else
|
||||||
SVC_MODE = 0x93 // Disable IRQ, SVC mode
|
.arm
|
||||||
IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
IRQ_MODE = 0x12 // IRQ mode
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_restore ARMv7-A */
|
/* _tx_thread_context_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_restore
|
.global _tx_thread_context_restore
|
||||||
@ -129,9 +131,9 @@ _tx_thread_context_restore:
|
|||||||
/* Just recover the saved registers and return to the point of
|
/* Just recover the saved registers and return to the point of
|
||||||
interrupt. */
|
interrupt. */
|
||||||
|
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_not_nested_restore:
|
__tx_thread_not_nested_restore:
|
||||||
@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
|
|||||||
/* Pickup the saved stack pointer. */
|
/* Pickup the saved stack pointer. */
|
||||||
|
|
||||||
/* Recover the saved context and return to the point of interrupt. */
|
/* Recover the saved context and return to the point of interrupt. */
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_preempt_restore:
|
__tx_thread_preempt_restore:
|
||||||
|
|
||||||
LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
|
POP {r3, r10, r12, lr} // Recover temporarily saved registers
|
||||||
MOV r1, lr // Save lr (point of interrupt)
|
MOV r1, lr // Save lr (point of interrupt)
|
||||||
MOV r2, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r2 // Enter SVC mode
|
|
||||||
STR r1, [sp, #-4]! // Save point of interrupt
|
STR r1, [sp, #-4]! // Save point of interrupt
|
||||||
STMDB sp!, {r4-r12, lr} // Save upper half of registers
|
PUSH {r4-r12, lr} // Save upper half of registers
|
||||||
MOV r4, r3 // Save SPSR in r4
|
MOV r4, r3 // Save SPSR in r4
|
||||||
MOV r2, #IRQ_MODE // Build IRQ mode CPSR
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
MSR CPSR_c, r2 // Enter IRQ mode
|
POP {r0-r3} // Recover r0-r3
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MOV r5, #SVC_MODE // Build SVC mode CPSR
|
PUSH {r0-r3} // Save r0-r3 on thread's stack
|
||||||
MSR CPSR_c, r5 // Enter SVC mode
|
|
||||||
STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
|
|
||||||
|
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
|
|||||||
STR r2, [sp, #-4]! // Save FPSCR
|
STR r2, [sp, #-4]! // Save FPSCR
|
||||||
VSTMDB sp!, {D16-D31} // Save D16-D31
|
VSTMDB sp!, {D16-D31} // Save D16-D31
|
||||||
VSTMDB sp!, {D0-D15} // Save D0-D15
|
VSTMDB sp!, {D0-D15} // Save D0-D15
|
||||||
|
|
||||||
_tx_skip_irq_vfp_save:
|
_tx_skip_irq_vfp_save:
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
|
PUSH {r3, r4} // Save interrupt stack type and SPSR
|
||||||
STR sp, [r0, #8] // Save stack pointer in thread control
|
STR sp, [r0, #8] // Save stack pointer in thread control
|
||||||
// block
|
// block
|
||||||
|
|
||||||
@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
|
|||||||
__tx_thread_idle_system_restore:
|
__tx_thread_idle_system_restore:
|
||||||
|
|
||||||
/* Just return back to the scheduler! */
|
/* Just return back to the scheduler! */
|
||||||
MOV r0, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r0 // Enter SVC mode
|
|
||||||
B _tx_thread_schedule // Return to scheduler
|
B _tx_thread_schedule // Return to scheduler
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global __tx_irq_processing_return
|
.global __tx_irq_processing_return
|
||||||
@ -31,7 +38,6 @@
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +45,7 @@
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_save ARMv7-A */
|
/* _tx_thread_context_save ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -79,6 +85,9 @@
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_save
|
.global _tx_thread_context_save
|
||||||
@ -90,7 +99,7 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Check for a nested interrupt condition. */
|
/* Check for a nested interrupt condition. */
|
||||||
|
|
||||||
STMDB sp!, {r0-r3} // Save some working registers
|
PUSH {r0-r3} // Save some working registers
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Disable FIQ interrupts
|
CPSID if // Disable FIQ interrupts
|
||||||
#endif
|
#endif
|
||||||
@ -101,15 +110,15 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Nested interrupt condition. */
|
/* Nested interrupt condition. */
|
||||||
|
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
|
|
||||||
/* Save the rest of the scratch registers on the stack and return to the
|
/* Save the rest of the scratch registers on the stack and return to the
|
||||||
calling ISR. */
|
calling ISR. */
|
||||||
|
|
||||||
MRS r0, SPSR // Pickup saved SPSR
|
MRS r0, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r0, r10, r12, lr} // Store other registers
|
PUSH {r0, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
/* Return to the ISR. */
|
/* Return to the ISR. */
|
||||||
|
|
||||||
@ -129,7 +138,7 @@ _tx_thread_context_save:
|
|||||||
__tx_thread_not_nested_save:
|
__tx_thread_not_nested_save:
|
||||||
|
|
||||||
/* Otherwise, not nested, check to see if a thread was running. */
|
/* Otherwise, not nested, check to see if a thread was running. */
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
|
|||||||
/* Save minimal context of interrupted thread. */
|
/* Save minimal context of interrupted thread. */
|
||||||
|
|
||||||
MRS r2, SPSR // Pickup saved SPSR
|
MRS r2, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r2, r10, r12, lr} // Store other registers
|
PUSH {r2, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
MOV r10, #0 // Clear stack limit
|
MOV r10, #0 // Clear stack limit
|
||||||
|
|
||||||
@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
|
|||||||
POP {lr} // Recover ISR lr
|
POP {lr} // Recover ISR lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
ADD sp, sp, #16 // Recover saved registers
|
ADD sp, #16 // Recover saved registers
|
||||||
B __tx_irq_processing_return // Continue IRQ processing
|
B __tx_irq_processing_return // Continue IRQ processing
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_end
|
.global _tx_thread_fiq_nesting_end
|
||||||
.type _tx_thread_fiq_nesting_end,function
|
.type _tx_thread_fiq_nesting_end,function
|
||||||
_tx_thread_fiq_nesting_end:
|
_tx_thread_fiq_nesting_end:
|
||||||
@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
|
|||||||
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
FIQ_DISABLE = 0x40 // FIQ disable bit
|
FIQ_DISABLE = 0x40 // FIQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
@ -23,22 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_disable for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_disable
|
|
||||||
$_tx_thread_interrupt_disable:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_disable // Call _tx_thread_interrupt_disable function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +37,7 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_disable ARMv7-A */
|
/* _tx_thread_interrupt_disable ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -82,8 +72,14 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_disable
|
.global _tx_thread_interrupt_disable
|
||||||
.type _tx_thread_interrupt_disable,function
|
.type _tx_thread_interrupt_disable,function
|
||||||
_tx_thread_interrupt_disable:
|
_tx_thread_interrupt_disable:
|
||||||
@ -100,8 +96,4 @@ _tx_thread_interrupt_disable:
|
|||||||
CPSID i // Disable IRQ
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,22 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_restore for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_restore
|
|
||||||
$_tx_thread_interrupt_restore:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_restore // Call _tx_thread_interrupt_restore function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +42,7 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_restore ARMv7-A */
|
/* _tx_thread_interrupt_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -83,17 +78,27 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_restore
|
.global _tx_thread_interrupt_restore
|
||||||
.type _tx_thread_interrupt_restore,function
|
.type _tx_thread_interrupt_restore,function
|
||||||
_tx_thread_interrupt_restore:
|
_tx_thread_interrupt_restore:
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
MSR CPSR_c, r0 // Setup new CPSR
|
CPSIE i
|
||||||
#ifdef __THUMB_INTERWORK
|
no_irq:
|
||||||
BX lr // Return to caller
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
#else
|
TST r0, #FIQ_MASK
|
||||||
MOV pc, lr // Return to caller
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
BX lr // Return to caller
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_end ARMv7-A */
|
/* _tx_thread_irq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_end
|
.global _tx_thread_irq_nesting_end
|
||||||
.type _tx_thread_irq_nesting_end,function
|
.type _tx_thread_irq_nesting_end,function
|
||||||
_tx_thread_irq_nesting_end:
|
_tx_thread_irq_nesting_end:
|
||||||
@ -102,8 +110,4 @@ _tx_thread_irq_nesting_end:
|
|||||||
BIC r0, r0, #MODE_MASK // Clear mode bits
|
BIC r0, r0, #MODE_MASK // Clear mode bits
|
||||||
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
IRQ_DISABLE = 0x80 // IRQ disable bit
|
IRQ_DISABLE = 0x80 // IRQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_start ARMv7-A */
|
/* _tx_thread_irq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_start
|
.global _tx_thread_irq_nesting_start
|
||||||
.type _tx_thread_irq_nesting_start,function
|
.type _tx_thread_irq_nesting_start,function
|
||||||
_tx_thread_irq_nesting_start:
|
_tx_thread_irq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_irq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,37 +23,29 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_schedule for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
.global $_tx_thread_schedule
|
|
||||||
.type $_tx_thread_schedule,function
|
|
||||||
$_tx_thread_schedule:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_schedule // Call _tx_thread_schedule function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#define IRQ_MODE 0x12 // IRQ mode
|
||||||
|
#define SVC_MODE 0x13 // SVC mode
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* */
|
/* */
|
||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_schedule ARMv7-A */
|
/* _tx_thread_schedule ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -95,8 +87,14 @@ $_tx_thread_schedule:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
.type _tx_thread_schedule,function
|
.type _tx_thread_schedule,function
|
||||||
_tx_thread_schedule:
|
_tx_thread_schedule:
|
||||||
@ -140,11 +138,11 @@ __tx_thread_schedule_loop:
|
|||||||
|
|
||||||
/* Setup time-slice, if present. */
|
/* Setup time-slice, if present. */
|
||||||
|
|
||||||
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice
|
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice variable
|
||||||
// variable
|
|
||||||
LDR sp, [r0, #8] // Switch stack pointers
|
|
||||||
STR r3, [r2] // Setup time-slice
|
STR r3, [r2] // Setup time-slice
|
||||||
|
|
||||||
|
LDR sp, [r0, #8] // Switch stack pointers
|
||||||
|
|
||||||
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
||||||
|
|
||||||
/* Call the thread entry function to indicate the thread is executing. */
|
/* Call the thread entry function to indicate the thread is executing. */
|
||||||
@ -154,16 +152,25 @@ __tx_thread_schedule_loop:
|
|||||||
MOV r0, r5 // Restore r0
|
MOV r0, r5 // Restore r0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Determine if an interrupt frame or a synchronous task suspension frame
|
/* Determine if an interrupt frame or a synchronous task suspension frame is present. */
|
||||||
is present. */
|
|
||||||
|
|
||||||
LDMIA sp!, {r4, r5} // Pickup the stack type and saved CPSR
|
POP {r4, r5} // Pickup the stack type and saved CPSR
|
||||||
CMP r4, #0 // Check for synchronous context switch
|
CMP r4, #0 // Check for synchronous context switch
|
||||||
BEQ _tx_solicited_return
|
BEQ _tx_solicited_return
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
#else
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
LDR r1, [r0, #8] // Get thread SP
|
||||||
|
LDR lr, [r1, #0x40] // Get thread PC
|
||||||
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
LDR r1, [r0, #144] // Pickup the VFP enabled flag
|
LDR r2, [r0, #144] // Pickup the VFP enabled flag
|
||||||
CMP r1, #0 // Is the VFP enabled?
|
CMP r2, #0 // Is the VFP enabled?
|
||||||
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
||||||
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
||||||
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
||||||
@ -171,7 +178,15 @@ __tx_thread_schedule_loop:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_interrupt_vfp_restore:
|
_tx_skip_interrupt_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
||||||
|
#else
|
||||||
|
POP {r0-r12, lr} // Restore registers
|
||||||
|
ADD sp, #4 // Fix stack pointer (skip PC saved on stack)
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
SUBS pc, lr, #0 // Return to point of thread interrupt
|
||||||
|
#endif
|
||||||
|
|
||||||
_tx_solicited_return:
|
_tx_solicited_return:
|
||||||
|
|
||||||
@ -185,52 +200,63 @@ _tx_solicited_return:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_solicited_vfp_restore:
|
_tx_skip_solicited_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MSR CPSR_cxsf, r5 // Recover CPSR
|
MSR CPSR_cxsf, r5 // Recover CPSR
|
||||||
LDMIA sp!, {r4-r11, lr} // Return to thread synchronously
|
POP {r4-r11, lr} // Restore registers
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_enable
|
.global tx_thread_vfp_enable
|
||||||
.type tx_thread_vfp_enable,function
|
.type tx_thread_vfp_enable,function
|
||||||
tx_thread_vfp_enable:
|
tx_thread_vfp_enable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_enable // If NULL, skip VFP enable
|
BEQ restore_ints // If NULL, skip VFP enable
|
||||||
MOV r0, #1 // Build enable value
|
MOV r2, #1 // Build enable value
|
||||||
STR r0, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_enable:
|
B restore_ints
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
|
||||||
BX LR // Return to caller
|
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_disable
|
.global tx_thread_vfp_disable
|
||||||
.type tx_thread_vfp_disable,function
|
.type tx_thread_vfp_disable,function
|
||||||
tx_thread_vfp_disable:
|
tx_thread_vfp_disable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_disable // If NULL, skip VFP disable
|
BEQ restore_ints // If NULL, skip VFP disable
|
||||||
MOV r0, #0 // Build disable value
|
MOV r2, #0 // Build disable value
|
||||||
STR r0, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_disable:
|
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
restore_ints:
|
||||||
BX LR // Return to caller
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
BX lr
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -23,33 +23,22 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
SVC_MODE = 0x13 // SVC mode
|
.thumb
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
|
||||||
CPSR_MASK = 0xDF // Mask initial CPSR, IRQ & FIQ interrupts enabled
|
|
||||||
#else
|
#else
|
||||||
CPSR_MASK = 0x9F // Mask initial CPSR, IRQ interrupts enabled
|
.arm
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_stack_build for
|
THUMB_MASK = 0x20 // Thumb bit mask
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_thread_stack_build
|
|
||||||
.type $_tx_thread_stack_build,function
|
|
||||||
$_tx_thread_stack_build:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_stack_build // Call _tx_thread_stack_build function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSR_MASK = 0xFF // Mask initial CPSR, T, IRQ & FIQ interrupts enabled
|
||||||
|
#else
|
||||||
|
CPSR_MASK = 0xBF // Mask initial CPSR, T, IRQ interrupts enabled
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -58,7 +47,7 @@ $_tx_thread_stack_build:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_stack_build ARMv7-A */
|
/* _tx_thread_stack_build ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -96,8 +85,14 @@ $_tx_thread_stack_build:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_stack_build
|
.global _tx_thread_stack_build
|
||||||
.type _tx_thread_stack_build,function
|
.type _tx_thread_stack_build,function
|
||||||
_tx_thread_stack_build:
|
_tx_thread_stack_build:
|
||||||
@ -135,6 +130,15 @@ _tx_thread_stack_build:
|
|||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STR r3, [r2, #0] // Store stack type
|
STR r3, [r2, #0] // Store stack type
|
||||||
|
|
||||||
|
MRS r3, CPSR // Pickup CPSR
|
||||||
|
BIC r3, #CPSR_MASK // Mask mode bits of CPSR
|
||||||
|
ORR r3, #SVC_MODE // Build CPSR, SYS mode, interrupts enabled
|
||||||
|
TST r1, #1 // Check if the initial PC is a Thumb function
|
||||||
|
IT NE
|
||||||
|
ORRNE r3, #THUMB_MASK // If the initial PC is a thumb function, CPSR must reflect this
|
||||||
|
STR r3, [r2, #4] // Store initial CPSR
|
||||||
|
|
||||||
MOV r3, #0 // Build initial register value
|
MOV r3, #0 // Build initial register value
|
||||||
STR r3, [r2, #8] // Store initial r0
|
STR r3, [r2, #8] // Store initial r0
|
||||||
STR r3, [r2, #12] // Store initial r1
|
STR r3, [r2, #12] // Store initial r1
|
||||||
@ -146,26 +150,20 @@ _tx_thread_stack_build:
|
|||||||
STR r3, [r2, #36] // Store initial r7
|
STR r3, [r2, #36] // Store initial r7
|
||||||
STR r3, [r2, #40] // Store initial r8
|
STR r3, [r2, #40] // Store initial r8
|
||||||
STR r3, [r2, #44] // Store initial r9
|
STR r3, [r2, #44] // Store initial r9
|
||||||
LDR r3, [r0, #12] // Pickup stack starting address
|
|
||||||
STR r3, [r2, #48] // Store initial r10 (sl)
|
|
||||||
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
|
||||||
STR r3, [r2, #60] // Store initial r14 (lr)
|
|
||||||
MOV r3, #0 // Build initial register value
|
|
||||||
STR r3, [r2, #52] // Store initial r11
|
STR r3, [r2, #52] // Store initial r11
|
||||||
STR r3, [r2, #56] // Store initial r12
|
STR r3, [r2, #56] // Store initial r12
|
||||||
STR r1, [r2, #64] // Store initial pc
|
|
||||||
STR r3, [r2, #68] // 0 for back-trace
|
STR r3, [r2, #68] // 0 for back-trace
|
||||||
MRS r1, CPSR // Pickup CPSR
|
|
||||||
BIC r1, r1, #CPSR_MASK // Mask mode bits of CPSR
|
LDR r3, [r0, #12] // Pickup stack starting address
|
||||||
ORR r3, r1, #SVC_MODE // Build CPSR, SVC mode, interrupts enabled
|
STR r3, [r2, #48] // Store initial r10 (sl)
|
||||||
STR r3, [r2, #4] // Store initial CPSR
|
|
||||||
|
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
||||||
|
STR r3, [r2, #60] // Store initial r14 (lr)
|
||||||
|
|
||||||
|
STR r1, [r2, #64] // Store initial pc
|
||||||
|
|
||||||
/* Setup stack pointer. */
|
/* Setup stack pointer. */
|
||||||
|
|
||||||
STR r2, [r0, #8] // Save stack pointer in thread's
|
STR r2, [r0, #8] // Save stack pointer in thread's
|
||||||
// control block
|
// control block
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,33 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_system_return for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_system_return
|
|
||||||
.type $_tx_thread_system_return,function
|
|
||||||
$_tx_thread_system_return:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_system_return // Call _tx_thread_system_return function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -57,7 +41,7 @@ $_tx_thread_system_return:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_system_return ARMv7-A */
|
/* _tx_thread_system_return ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -98,15 +82,21 @@ $_tx_thread_system_return:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_system_return
|
.global _tx_thread_system_return
|
||||||
.type _tx_thread_system_return,function
|
.type _tx_thread_system_return,function
|
||||||
_tx_thread_system_return:
|
_tx_thread_system_return:
|
||||||
|
|
||||||
/* Save minimal context on the stack. */
|
/* Save minimal context on the stack. */
|
||||||
|
|
||||||
STMDB sp!, {r4-r11, lr} // Save minimal context
|
PUSH {r4-r11, lr} // Save minimal context
|
||||||
|
|
||||||
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
||||||
LDR r5, [r4] // Pickup current thread pointer
|
LDR r5, [r4] // Pickup current thread pointer
|
||||||
@ -123,8 +113,11 @@ _tx_skip_solicited_vfp_save:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r0, #0 // Build a solicited stack type
|
MOV r0, #0 // Build a solicited stack type
|
||||||
MRS r1, CPSR // Pickup the CPSR
|
MRS r1, CPSR // Pickup the CPSR, T bit is always cleared by hardware
|
||||||
STMDB sp!, {r0-r1} // Save type and CPSR
|
TST lr, #1 // Check if calling function is in Thumb mode
|
||||||
|
IT NE
|
||||||
|
ORRNE r1, #0x20 // Set the T bit so that the correct mode is set on return
|
||||||
|
PUSH {r0-r1} // Save type and CPSR
|
||||||
|
|
||||||
/* Lockout interrupts. */
|
/* Lockout interrupts. */
|
||||||
|
|
||||||
|
|||||||
@ -23,8 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Define Assembly language external references... */
|
/* Define Assembly language external references... */
|
||||||
|
|
||||||
@ -37,26 +41,6 @@
|
|||||||
.global _tx_timer_expired
|
.global _tx_timer_expired
|
||||||
.global _tx_thread_time_slice
|
.global _tx_thread_time_slice
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_timer_interrupt for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_timer_interrupt
|
|
||||||
.type $_tx_timer_interrupt,function
|
|
||||||
$_tx_timer_interrupt:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_timer_interrupt // Call _tx_timer_interrupt function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -64,7 +48,7 @@ $_tx_timer_interrupt:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_timer_interrupt ARMv7-A */
|
/* _tx_timer_interrupt ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -104,8 +88,14 @@ $_tx_timer_interrupt:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_timer_interrupt
|
.global _tx_timer_interrupt
|
||||||
.type _tx_timer_interrupt,function
|
.type _tx_timer_interrupt,function
|
||||||
_tx_timer_interrupt:
|
_tx_timer_interrupt:
|
||||||
@ -197,7 +187,7 @@ __tx_timer_done:
|
|||||||
|
|
||||||
__tx_something_expired:
|
__tx_something_expired:
|
||||||
|
|
||||||
STMDB sp!, {r0, lr} // Save the lr register on the stack
|
PUSH {r0, lr} // Save the lr register on the stack
|
||||||
// and save r0 just to keep 8-byte alignment
|
// and save r0 just to keep 8-byte alignment
|
||||||
|
|
||||||
/* Did a timer expire? */
|
/* Did a timer expire? */
|
||||||
@ -225,13 +215,9 @@ __tx_timer_dont_activate:
|
|||||||
|
|
||||||
__tx_timer_not_ts_expiration:
|
__tx_timer_not_ts_expiration:
|
||||||
|
|
||||||
LDMIA sp!, {r0, lr} // Recover lr register (r0 is just there for
|
POP {r0, lr} // Recover lr register (r0 is just there for
|
||||||
// the 8-byte stack alignment
|
// the 8-byte stack alignment
|
||||||
|
|
||||||
__tx_timer_nothing_expired:
|
__tx_timer_nothing_expired:
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,16 +23,16 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
.thumb
|
||||||
SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
|
|
||||||
IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
|
|
||||||
#else
|
#else
|
||||||
SVC_MODE = 0x93 // Disable IRQ, SVC mode
|
.arm
|
||||||
IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
IRQ_MODE = 0x12 // IRQ mode
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_restore ARMv7-A */
|
/* _tx_thread_context_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_restore
|
.global _tx_thread_context_restore
|
||||||
@ -129,9 +131,9 @@ _tx_thread_context_restore:
|
|||||||
/* Just recover the saved registers and return to the point of
|
/* Just recover the saved registers and return to the point of
|
||||||
interrupt. */
|
interrupt. */
|
||||||
|
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_not_nested_restore:
|
__tx_thread_not_nested_restore:
|
||||||
@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
|
|||||||
/* Pickup the saved stack pointer. */
|
/* Pickup the saved stack pointer. */
|
||||||
|
|
||||||
/* Recover the saved context and return to the point of interrupt. */
|
/* Recover the saved context and return to the point of interrupt. */
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_preempt_restore:
|
__tx_thread_preempt_restore:
|
||||||
|
|
||||||
LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
|
POP {r3, r10, r12, lr} // Recover temporarily saved registers
|
||||||
MOV r1, lr // Save lr (point of interrupt)
|
MOV r1, lr // Save lr (point of interrupt)
|
||||||
MOV r2, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r2 // Enter SVC mode
|
|
||||||
STR r1, [sp, #-4]! // Save point of interrupt
|
STR r1, [sp, #-4]! // Save point of interrupt
|
||||||
STMDB sp!, {r4-r12, lr} // Save upper half of registers
|
PUSH {r4-r12, lr} // Save upper half of registers
|
||||||
MOV r4, r3 // Save SPSR in r4
|
MOV r4, r3 // Save SPSR in r4
|
||||||
MOV r2, #IRQ_MODE // Build IRQ mode CPSR
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
MSR CPSR_c, r2 // Enter IRQ mode
|
POP {r0-r3} // Recover r0-r3
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MOV r5, #SVC_MODE // Build SVC mode CPSR
|
PUSH {r0-r3} // Save r0-r3 on thread's stack
|
||||||
MSR CPSR_c, r5 // Enter SVC mode
|
|
||||||
STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
|
|
||||||
|
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
|
|||||||
STR r2, [sp, #-4]! // Save FPSCR
|
STR r2, [sp, #-4]! // Save FPSCR
|
||||||
VSTMDB sp!, {D16-D31} // Save D16-D31
|
VSTMDB sp!, {D16-D31} // Save D16-D31
|
||||||
VSTMDB sp!, {D0-D15} // Save D0-D15
|
VSTMDB sp!, {D0-D15} // Save D0-D15
|
||||||
|
|
||||||
_tx_skip_irq_vfp_save:
|
_tx_skip_irq_vfp_save:
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
|
PUSH {r3, r4} // Save interrupt stack type and SPSR
|
||||||
STR sp, [r0, #8] // Save stack pointer in thread control
|
STR sp, [r0, #8] // Save stack pointer in thread control
|
||||||
// block
|
// block
|
||||||
|
|
||||||
@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
|
|||||||
__tx_thread_idle_system_restore:
|
__tx_thread_idle_system_restore:
|
||||||
|
|
||||||
/* Just return back to the scheduler! */
|
/* Just return back to the scheduler! */
|
||||||
MOV r0, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r0 // Enter SVC mode
|
|
||||||
B _tx_thread_schedule // Return to scheduler
|
B _tx_thread_schedule // Return to scheduler
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global __tx_irq_processing_return
|
.global __tx_irq_processing_return
|
||||||
@ -31,7 +38,6 @@
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +45,7 @@
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_save ARMv7-A */
|
/* _tx_thread_context_save ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -79,6 +85,9 @@
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_save
|
.global _tx_thread_context_save
|
||||||
@ -90,7 +99,7 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Check for a nested interrupt condition. */
|
/* Check for a nested interrupt condition. */
|
||||||
|
|
||||||
STMDB sp!, {r0-r3} // Save some working registers
|
PUSH {r0-r3} // Save some working registers
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Disable FIQ interrupts
|
CPSID if // Disable FIQ interrupts
|
||||||
#endif
|
#endif
|
||||||
@ -101,15 +110,15 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Nested interrupt condition. */
|
/* Nested interrupt condition. */
|
||||||
|
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
|
|
||||||
/* Save the rest of the scratch registers on the stack and return to the
|
/* Save the rest of the scratch registers on the stack and return to the
|
||||||
calling ISR. */
|
calling ISR. */
|
||||||
|
|
||||||
MRS r0, SPSR // Pickup saved SPSR
|
MRS r0, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r0, r10, r12, lr} // Store other registers
|
PUSH {r0, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
/* Return to the ISR. */
|
/* Return to the ISR. */
|
||||||
|
|
||||||
@ -129,7 +138,7 @@ _tx_thread_context_save:
|
|||||||
__tx_thread_not_nested_save:
|
__tx_thread_not_nested_save:
|
||||||
|
|
||||||
/* Otherwise, not nested, check to see if a thread was running. */
|
/* Otherwise, not nested, check to see if a thread was running. */
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
|
|||||||
/* Save minimal context of interrupted thread. */
|
/* Save minimal context of interrupted thread. */
|
||||||
|
|
||||||
MRS r2, SPSR // Pickup saved SPSR
|
MRS r2, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r2, r10, r12, lr} // Store other registers
|
PUSH {r2, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
MOV r10, #0 // Clear stack limit
|
MOV r10, #0 // Clear stack limit
|
||||||
|
|
||||||
@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
|
|||||||
POP {lr} // Recover ISR lr
|
POP {lr} // Recover ISR lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
ADD sp, sp, #16 // Recover saved registers
|
ADD sp, #16 // Recover saved registers
|
||||||
B __tx_irq_processing_return // Continue IRQ processing
|
B __tx_irq_processing_return // Continue IRQ processing
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_end
|
.global _tx_thread_fiq_nesting_end
|
||||||
.type _tx_thread_fiq_nesting_end,function
|
.type _tx_thread_fiq_nesting_end,function
|
||||||
_tx_thread_fiq_nesting_end:
|
_tx_thread_fiq_nesting_end:
|
||||||
@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
|
|||||||
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
FIQ_DISABLE = 0x40 // FIQ disable bit
|
FIQ_DISABLE = 0x40 // FIQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
@ -23,22 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_disable for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_disable
|
|
||||||
$_tx_thread_interrupt_disable:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_disable // Call _tx_thread_interrupt_disable function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +37,7 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_disable ARMv7-A */
|
/* _tx_thread_interrupt_disable ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -82,8 +72,14 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_disable
|
.global _tx_thread_interrupt_disable
|
||||||
.type _tx_thread_interrupt_disable,function
|
.type _tx_thread_interrupt_disable,function
|
||||||
_tx_thread_interrupt_disable:
|
_tx_thread_interrupt_disable:
|
||||||
@ -100,8 +96,4 @@ _tx_thread_interrupt_disable:
|
|||||||
CPSID i // Disable IRQ
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,22 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_restore for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_restore
|
|
||||||
$_tx_thread_interrupt_restore:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_restore // Call _tx_thread_interrupt_restore function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +42,7 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_restore ARMv7-A */
|
/* _tx_thread_interrupt_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -83,17 +78,27 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_restore
|
.global _tx_thread_interrupt_restore
|
||||||
.type _tx_thread_interrupt_restore,function
|
.type _tx_thread_interrupt_restore,function
|
||||||
_tx_thread_interrupt_restore:
|
_tx_thread_interrupt_restore:
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
MSR CPSR_c, r0 // Setup new CPSR
|
CPSIE i
|
||||||
#ifdef __THUMB_INTERWORK
|
no_irq:
|
||||||
BX lr // Return to caller
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
#else
|
TST r0, #FIQ_MASK
|
||||||
MOV pc, lr // Return to caller
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
BX lr // Return to caller
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_end ARMv7-A */
|
/* _tx_thread_irq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_end
|
.global _tx_thread_irq_nesting_end
|
||||||
.type _tx_thread_irq_nesting_end,function
|
.type _tx_thread_irq_nesting_end,function
|
||||||
_tx_thread_irq_nesting_end:
|
_tx_thread_irq_nesting_end:
|
||||||
@ -102,8 +110,4 @@ _tx_thread_irq_nesting_end:
|
|||||||
BIC r0, r0, #MODE_MASK // Clear mode bits
|
BIC r0, r0, #MODE_MASK // Clear mode bits
|
||||||
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
IRQ_DISABLE = 0x80 // IRQ disable bit
|
IRQ_DISABLE = 0x80 // IRQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_start ARMv7-A */
|
/* _tx_thread_irq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_start
|
.global _tx_thread_irq_nesting_start
|
||||||
.type _tx_thread_irq_nesting_start,function
|
.type _tx_thread_irq_nesting_start,function
|
||||||
_tx_thread_irq_nesting_start:
|
_tx_thread_irq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_irq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,37 +23,29 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_schedule for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
.global $_tx_thread_schedule
|
|
||||||
.type $_tx_thread_schedule,function
|
|
||||||
$_tx_thread_schedule:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_schedule // Call _tx_thread_schedule function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#define IRQ_MODE 0x12 // IRQ mode
|
||||||
|
#define SVC_MODE 0x13 // SVC mode
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* */
|
/* */
|
||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_schedule ARMv7-A */
|
/* _tx_thread_schedule ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -95,8 +87,14 @@ $_tx_thread_schedule:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
.type _tx_thread_schedule,function
|
.type _tx_thread_schedule,function
|
||||||
_tx_thread_schedule:
|
_tx_thread_schedule:
|
||||||
@ -140,11 +138,11 @@ __tx_thread_schedule_loop:
|
|||||||
|
|
||||||
/* Setup time-slice, if present. */
|
/* Setup time-slice, if present. */
|
||||||
|
|
||||||
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice
|
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice variable
|
||||||
// variable
|
|
||||||
LDR sp, [r0, #8] // Switch stack pointers
|
|
||||||
STR r3, [r2] // Setup time-slice
|
STR r3, [r2] // Setup time-slice
|
||||||
|
|
||||||
|
LDR sp, [r0, #8] // Switch stack pointers
|
||||||
|
|
||||||
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
||||||
|
|
||||||
/* Call the thread entry function to indicate the thread is executing. */
|
/* Call the thread entry function to indicate the thread is executing. */
|
||||||
@ -154,16 +152,25 @@ __tx_thread_schedule_loop:
|
|||||||
MOV r0, r5 // Restore r0
|
MOV r0, r5 // Restore r0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Determine if an interrupt frame or a synchronous task suspension frame
|
/* Determine if an interrupt frame or a synchronous task suspension frame is present. */
|
||||||
is present. */
|
|
||||||
|
|
||||||
LDMIA sp!, {r4, r5} // Pickup the stack type and saved CPSR
|
POP {r4, r5} // Pickup the stack type and saved CPSR
|
||||||
CMP r4, #0 // Check for synchronous context switch
|
CMP r4, #0 // Check for synchronous context switch
|
||||||
BEQ _tx_solicited_return
|
BEQ _tx_solicited_return
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
#else
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
LDR r1, [r0, #8] // Get thread SP
|
||||||
|
LDR lr, [r1, #0x40] // Get thread PC
|
||||||
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
LDR r1, [r0, #144] // Pickup the VFP enabled flag
|
LDR r2, [r0, #144] // Pickup the VFP enabled flag
|
||||||
CMP r1, #0 // Is the VFP enabled?
|
CMP r2, #0 // Is the VFP enabled?
|
||||||
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
||||||
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
||||||
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
||||||
@ -171,7 +178,15 @@ __tx_thread_schedule_loop:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_interrupt_vfp_restore:
|
_tx_skip_interrupt_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
||||||
|
#else
|
||||||
|
POP {r0-r12, lr} // Restore registers
|
||||||
|
ADD sp, #4 // Fix stack pointer (skip PC saved on stack)
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
SUBS pc, lr, #0 // Return to point of thread interrupt
|
||||||
|
#endif
|
||||||
|
|
||||||
_tx_solicited_return:
|
_tx_solicited_return:
|
||||||
|
|
||||||
@ -185,52 +200,63 @@ _tx_solicited_return:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_solicited_vfp_restore:
|
_tx_skip_solicited_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MSR CPSR_cxsf, r5 // Recover CPSR
|
MSR CPSR_cxsf, r5 // Recover CPSR
|
||||||
LDMIA sp!, {r4-r11, lr} // Return to thread synchronously
|
POP {r4-r11, lr} // Restore registers
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_enable
|
.global tx_thread_vfp_enable
|
||||||
.type tx_thread_vfp_enable,function
|
.type tx_thread_vfp_enable,function
|
||||||
tx_thread_vfp_enable:
|
tx_thread_vfp_enable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_enable // If NULL, skip VFP enable
|
BEQ restore_ints // If NULL, skip VFP enable
|
||||||
MOV r0, #1 // Build enable value
|
MOV r2, #1 // Build enable value
|
||||||
STR r0, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_enable:
|
B restore_ints
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
|
||||||
BX LR // Return to caller
|
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_disable
|
.global tx_thread_vfp_disable
|
||||||
.type tx_thread_vfp_disable,function
|
.type tx_thread_vfp_disable,function
|
||||||
tx_thread_vfp_disable:
|
tx_thread_vfp_disable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_disable // If NULL, skip VFP disable
|
BEQ restore_ints // If NULL, skip VFP disable
|
||||||
MOV r0, #0 // Build disable value
|
MOV r2, #0 // Build disable value
|
||||||
STR r0, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_disable:
|
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
restore_ints:
|
||||||
BX LR // Return to caller
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
BX lr
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -23,33 +23,22 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
SVC_MODE = 0x13 // SVC mode
|
.thumb
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
|
||||||
CPSR_MASK = 0xDF // Mask initial CPSR, IRQ & FIQ interrupts enabled
|
|
||||||
#else
|
#else
|
||||||
CPSR_MASK = 0x9F // Mask initial CPSR, IRQ interrupts enabled
|
.arm
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_stack_build for
|
THUMB_MASK = 0x20 // Thumb bit mask
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_thread_stack_build
|
|
||||||
.type $_tx_thread_stack_build,function
|
|
||||||
$_tx_thread_stack_build:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_stack_build // Call _tx_thread_stack_build function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSR_MASK = 0xFF // Mask initial CPSR, T, IRQ & FIQ interrupts enabled
|
||||||
|
#else
|
||||||
|
CPSR_MASK = 0xBF // Mask initial CPSR, T, IRQ interrupts enabled
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -58,7 +47,7 @@ $_tx_thread_stack_build:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_stack_build ARMv7-A */
|
/* _tx_thread_stack_build ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -96,8 +85,14 @@ $_tx_thread_stack_build:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_stack_build
|
.global _tx_thread_stack_build
|
||||||
.type _tx_thread_stack_build,function
|
.type _tx_thread_stack_build,function
|
||||||
_tx_thread_stack_build:
|
_tx_thread_stack_build:
|
||||||
@ -135,6 +130,15 @@ _tx_thread_stack_build:
|
|||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STR r3, [r2, #0] // Store stack type
|
STR r3, [r2, #0] // Store stack type
|
||||||
|
|
||||||
|
MRS r3, CPSR // Pickup CPSR
|
||||||
|
BIC r3, #CPSR_MASK // Mask mode bits of CPSR
|
||||||
|
ORR r3, #SVC_MODE // Build CPSR, SYS mode, interrupts enabled
|
||||||
|
TST r1, #1 // Check if the initial PC is a Thumb function
|
||||||
|
IT NE
|
||||||
|
ORRNE r3, #THUMB_MASK // If the initial PC is a thumb function, CPSR must reflect this
|
||||||
|
STR r3, [r2, #4] // Store initial CPSR
|
||||||
|
|
||||||
MOV r3, #0 // Build initial register value
|
MOV r3, #0 // Build initial register value
|
||||||
STR r3, [r2, #8] // Store initial r0
|
STR r3, [r2, #8] // Store initial r0
|
||||||
STR r3, [r2, #12] // Store initial r1
|
STR r3, [r2, #12] // Store initial r1
|
||||||
@ -146,26 +150,20 @@ _tx_thread_stack_build:
|
|||||||
STR r3, [r2, #36] // Store initial r7
|
STR r3, [r2, #36] // Store initial r7
|
||||||
STR r3, [r2, #40] // Store initial r8
|
STR r3, [r2, #40] // Store initial r8
|
||||||
STR r3, [r2, #44] // Store initial r9
|
STR r3, [r2, #44] // Store initial r9
|
||||||
LDR r3, [r0, #12] // Pickup stack starting address
|
|
||||||
STR r3, [r2, #48] // Store initial r10 (sl)
|
|
||||||
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
|
||||||
STR r3, [r2, #60] // Store initial r14 (lr)
|
|
||||||
MOV r3, #0 // Build initial register value
|
|
||||||
STR r3, [r2, #52] // Store initial r11
|
STR r3, [r2, #52] // Store initial r11
|
||||||
STR r3, [r2, #56] // Store initial r12
|
STR r3, [r2, #56] // Store initial r12
|
||||||
STR r1, [r2, #64] // Store initial pc
|
|
||||||
STR r3, [r2, #68] // 0 for back-trace
|
STR r3, [r2, #68] // 0 for back-trace
|
||||||
MRS r1, CPSR // Pickup CPSR
|
|
||||||
BIC r1, r1, #CPSR_MASK // Mask mode bits of CPSR
|
LDR r3, [r0, #12] // Pickup stack starting address
|
||||||
ORR r3, r1, #SVC_MODE // Build CPSR, SVC mode, interrupts enabled
|
STR r3, [r2, #48] // Store initial r10 (sl)
|
||||||
STR r3, [r2, #4] // Store initial CPSR
|
|
||||||
|
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
||||||
|
STR r3, [r2, #60] // Store initial r14 (lr)
|
||||||
|
|
||||||
|
STR r1, [r2, #64] // Store initial pc
|
||||||
|
|
||||||
/* Setup stack pointer. */
|
/* Setup stack pointer. */
|
||||||
|
|
||||||
STR r2, [r0, #8] // Save stack pointer in thread's
|
STR r2, [r0, #8] // Save stack pointer in thread's
|
||||||
// control block
|
// control block
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,33 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_system_return for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_system_return
|
|
||||||
.type $_tx_thread_system_return,function
|
|
||||||
$_tx_thread_system_return:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_system_return // Call _tx_thread_system_return function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -57,7 +41,7 @@ $_tx_thread_system_return:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_system_return ARMv7-A */
|
/* _tx_thread_system_return ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -98,15 +82,21 @@ $_tx_thread_system_return:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_system_return
|
.global _tx_thread_system_return
|
||||||
.type _tx_thread_system_return,function
|
.type _tx_thread_system_return,function
|
||||||
_tx_thread_system_return:
|
_tx_thread_system_return:
|
||||||
|
|
||||||
/* Save minimal context on the stack. */
|
/* Save minimal context on the stack. */
|
||||||
|
|
||||||
STMDB sp!, {r4-r11, lr} // Save minimal context
|
PUSH {r4-r11, lr} // Save minimal context
|
||||||
|
|
||||||
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
||||||
LDR r5, [r4] // Pickup current thread pointer
|
LDR r5, [r4] // Pickup current thread pointer
|
||||||
@ -123,8 +113,11 @@ _tx_skip_solicited_vfp_save:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r0, #0 // Build a solicited stack type
|
MOV r0, #0 // Build a solicited stack type
|
||||||
MRS r1, CPSR // Pickup the CPSR
|
MRS r1, CPSR // Pickup the CPSR, T bit is always cleared by hardware
|
||||||
STMDB sp!, {r0-r1} // Save type and CPSR
|
TST lr, #1 // Check if calling function is in Thumb mode
|
||||||
|
IT NE
|
||||||
|
ORRNE r1, #0x20 // Set the T bit so that the correct mode is set on return
|
||||||
|
PUSH {r0-r1} // Save type and CPSR
|
||||||
|
|
||||||
/* Lockout interrupts. */
|
/* Lockout interrupts. */
|
||||||
|
|
||||||
|
|||||||
@ -23,8 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Define Assembly language external references... */
|
/* Define Assembly language external references... */
|
||||||
|
|
||||||
@ -37,26 +41,6 @@
|
|||||||
.global _tx_timer_expired
|
.global _tx_timer_expired
|
||||||
.global _tx_thread_time_slice
|
.global _tx_thread_time_slice
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_timer_interrupt for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_timer_interrupt
|
|
||||||
.type $_tx_timer_interrupt,function
|
|
||||||
$_tx_timer_interrupt:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_timer_interrupt // Call _tx_timer_interrupt function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -64,7 +48,7 @@ $_tx_timer_interrupt:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_timer_interrupt ARMv7-A */
|
/* _tx_timer_interrupt ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -104,8 +88,14 @@ $_tx_timer_interrupt:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_timer_interrupt
|
.global _tx_timer_interrupt
|
||||||
.type _tx_timer_interrupt,function
|
.type _tx_timer_interrupt,function
|
||||||
_tx_timer_interrupt:
|
_tx_timer_interrupt:
|
||||||
@ -197,7 +187,7 @@ __tx_timer_done:
|
|||||||
|
|
||||||
__tx_something_expired:
|
__tx_something_expired:
|
||||||
|
|
||||||
STMDB sp!, {r0, lr} // Save the lr register on the stack
|
PUSH {r0, lr} // Save the lr register on the stack
|
||||||
// and save r0 just to keep 8-byte alignment
|
// and save r0 just to keep 8-byte alignment
|
||||||
|
|
||||||
/* Did a timer expire? */
|
/* Did a timer expire? */
|
||||||
@ -225,13 +215,9 @@ __tx_timer_dont_activate:
|
|||||||
|
|
||||||
__tx_timer_not_ts_expiration:
|
__tx_timer_not_ts_expiration:
|
||||||
|
|
||||||
LDMIA sp!, {r0, lr} // Recover lr register (r0 is just there for
|
POP {r0, lr} // Recover lr register (r0 is just there for
|
||||||
// the 8-byte stack alignment
|
// the 8-byte stack alignment
|
||||||
|
|
||||||
__tx_timer_nothing_expired:
|
__tx_timer_nothing_expired:
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -1,15 +1,30 @@
|
|||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* .text is used instead of .section .text so it works with arm-aout too. */
|
/* .text is used instead of .section .text so it works with arm-aout too. */
|
||||||
.text
|
.text
|
||||||
.code 32
|
|
||||||
.align 0
|
.align 0
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _mainCRTStartup
|
.global _mainCRTStartup
|
||||||
|
_mainCRTStartup:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _start
|
.global _start
|
||||||
|
_start:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global start
|
.global start
|
||||||
start:
|
start:
|
||||||
_start:
|
|
||||||
_mainCRTStartup:
|
|
||||||
|
|
||||||
/* Start by setting up a stack */
|
/* Start by setting up a stack */
|
||||||
/* Set up the stack pointer to a fixed value */
|
/* Set up the stack pointer to a fixed value */
|
||||||
@ -69,24 +84,12 @@ _mainCRTStartup:
|
|||||||
.word _fini
|
.word _fini
|
||||||
#endif */
|
#endif */
|
||||||
/* Return ... */
|
/* Return ... */
|
||||||
#ifdef __APCS_26__
|
|
||||||
movs pc, lr
|
|
||||||
#else
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
bx lr
|
bx lr
|
||||||
#else
|
|
||||||
mov pc, lr
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
.global _fini
|
.global _fini
|
||||||
.type _fini,function
|
.type _fini,function
|
||||||
_fini:
|
_fini:
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Workspace for Angel calls. */
|
/* Workspace for Angel calls. */
|
||||||
.data
|
.data
|
||||||
|
|||||||
@ -23,16 +23,16 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
.thumb
|
||||||
SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
|
|
||||||
IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
|
|
||||||
#else
|
#else
|
||||||
SVC_MODE = 0x93 // Disable IRQ, SVC mode
|
.arm
|
||||||
IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
IRQ_MODE = 0x12 // IRQ mode
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_restore ARMv7-A */
|
/* _tx_thread_context_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_restore
|
.global _tx_thread_context_restore
|
||||||
@ -129,9 +131,9 @@ _tx_thread_context_restore:
|
|||||||
/* Just recover the saved registers and return to the point of
|
/* Just recover the saved registers and return to the point of
|
||||||
interrupt. */
|
interrupt. */
|
||||||
|
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_not_nested_restore:
|
__tx_thread_not_nested_restore:
|
||||||
@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
|
|||||||
/* Pickup the saved stack pointer. */
|
/* Pickup the saved stack pointer. */
|
||||||
|
|
||||||
/* Recover the saved context and return to the point of interrupt. */
|
/* Recover the saved context and return to the point of interrupt. */
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_preempt_restore:
|
__tx_thread_preempt_restore:
|
||||||
|
|
||||||
LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
|
POP {r3, r10, r12, lr} // Recover temporarily saved registers
|
||||||
MOV r1, lr // Save lr (point of interrupt)
|
MOV r1, lr // Save lr (point of interrupt)
|
||||||
MOV r2, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r2 // Enter SVC mode
|
|
||||||
STR r1, [sp, #-4]! // Save point of interrupt
|
STR r1, [sp, #-4]! // Save point of interrupt
|
||||||
STMDB sp!, {r4-r12, lr} // Save upper half of registers
|
PUSH {r4-r12, lr} // Save upper half of registers
|
||||||
MOV r4, r3 // Save SPSR in r4
|
MOV r4, r3 // Save SPSR in r4
|
||||||
MOV r2, #IRQ_MODE // Build IRQ mode CPSR
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
MSR CPSR_c, r2 // Enter IRQ mode
|
POP {r0-r3} // Recover r0-r3
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MOV r5, #SVC_MODE // Build SVC mode CPSR
|
PUSH {r0-r3} // Save r0-r3 on thread's stack
|
||||||
MSR CPSR_c, r5 // Enter SVC mode
|
|
||||||
STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
|
|
||||||
|
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
|
|||||||
STR r2, [sp, #-4]! // Save FPSCR
|
STR r2, [sp, #-4]! // Save FPSCR
|
||||||
VSTMDB sp!, {D16-D31} // Save D16-D31
|
VSTMDB sp!, {D16-D31} // Save D16-D31
|
||||||
VSTMDB sp!, {D0-D15} // Save D0-D15
|
VSTMDB sp!, {D0-D15} // Save D0-D15
|
||||||
|
|
||||||
_tx_skip_irq_vfp_save:
|
_tx_skip_irq_vfp_save:
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
|
PUSH {r3, r4} // Save interrupt stack type and SPSR
|
||||||
STR sp, [r0, #8] // Save stack pointer in thread control
|
STR sp, [r0, #8] // Save stack pointer in thread control
|
||||||
// block
|
// block
|
||||||
|
|
||||||
@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
|
|||||||
__tx_thread_idle_system_restore:
|
__tx_thread_idle_system_restore:
|
||||||
|
|
||||||
/* Just return back to the scheduler! */
|
/* Just return back to the scheduler! */
|
||||||
MOV r0, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r0 // Enter SVC mode
|
|
||||||
B _tx_thread_schedule // Return to scheduler
|
B _tx_thread_schedule // Return to scheduler
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global __tx_irq_processing_return
|
.global __tx_irq_processing_return
|
||||||
@ -31,7 +38,6 @@
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +45,7 @@
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_save ARMv7-A */
|
/* _tx_thread_context_save ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -79,6 +85,9 @@
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_save
|
.global _tx_thread_context_save
|
||||||
@ -90,7 +99,7 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Check for a nested interrupt condition. */
|
/* Check for a nested interrupt condition. */
|
||||||
|
|
||||||
STMDB sp!, {r0-r3} // Save some working registers
|
PUSH {r0-r3} // Save some working registers
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Disable FIQ interrupts
|
CPSID if // Disable FIQ interrupts
|
||||||
#endif
|
#endif
|
||||||
@ -101,15 +110,15 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Nested interrupt condition. */
|
/* Nested interrupt condition. */
|
||||||
|
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
|
|
||||||
/* Save the rest of the scratch registers on the stack and return to the
|
/* Save the rest of the scratch registers on the stack and return to the
|
||||||
calling ISR. */
|
calling ISR. */
|
||||||
|
|
||||||
MRS r0, SPSR // Pickup saved SPSR
|
MRS r0, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r0, r10, r12, lr} // Store other registers
|
PUSH {r0, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
/* Return to the ISR. */
|
/* Return to the ISR. */
|
||||||
|
|
||||||
@ -129,7 +138,7 @@ _tx_thread_context_save:
|
|||||||
__tx_thread_not_nested_save:
|
__tx_thread_not_nested_save:
|
||||||
|
|
||||||
/* Otherwise, not nested, check to see if a thread was running. */
|
/* Otherwise, not nested, check to see if a thread was running. */
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
|
|||||||
/* Save minimal context of interrupted thread. */
|
/* Save minimal context of interrupted thread. */
|
||||||
|
|
||||||
MRS r2, SPSR // Pickup saved SPSR
|
MRS r2, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r2, r10, r12, lr} // Store other registers
|
PUSH {r2, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
MOV r10, #0 // Clear stack limit
|
MOV r10, #0 // Clear stack limit
|
||||||
|
|
||||||
@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
|
|||||||
POP {lr} // Recover ISR lr
|
POP {lr} // Recover ISR lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
ADD sp, sp, #16 // Recover saved registers
|
ADD sp, #16 // Recover saved registers
|
||||||
B __tx_irq_processing_return // Continue IRQ processing
|
B __tx_irq_processing_return // Continue IRQ processing
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_end
|
.global _tx_thread_fiq_nesting_end
|
||||||
.type _tx_thread_fiq_nesting_end,function
|
.type _tx_thread_fiq_nesting_end,function
|
||||||
_tx_thread_fiq_nesting_end:
|
_tx_thread_fiq_nesting_end:
|
||||||
@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
|
|||||||
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
FIQ_DISABLE = 0x40 // FIQ disable bit
|
FIQ_DISABLE = 0x40 // FIQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
@ -23,22 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_disable for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_disable
|
|
||||||
$_tx_thread_interrupt_disable:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_disable // Call _tx_thread_interrupt_disable function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +37,7 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_disable ARMv7-A */
|
/* _tx_thread_interrupt_disable ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -82,8 +72,14 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_disable
|
.global _tx_thread_interrupt_disable
|
||||||
.type _tx_thread_interrupt_disable,function
|
.type _tx_thread_interrupt_disable,function
|
||||||
_tx_thread_interrupt_disable:
|
_tx_thread_interrupt_disable:
|
||||||
@ -100,8 +96,4 @@ _tx_thread_interrupt_disable:
|
|||||||
CPSID i // Disable IRQ
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,22 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_restore for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_restore
|
|
||||||
$_tx_thread_interrupt_restore:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_restore // Call _tx_thread_interrupt_restore function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +42,7 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_restore ARMv7-A */
|
/* _tx_thread_interrupt_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -83,17 +78,27 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_restore
|
.global _tx_thread_interrupt_restore
|
||||||
.type _tx_thread_interrupt_restore,function
|
.type _tx_thread_interrupt_restore,function
|
||||||
_tx_thread_interrupt_restore:
|
_tx_thread_interrupt_restore:
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
MSR CPSR_c, r0 // Setup new CPSR
|
CPSIE i
|
||||||
#ifdef __THUMB_INTERWORK
|
no_irq:
|
||||||
BX lr // Return to caller
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
#else
|
TST r0, #FIQ_MASK
|
||||||
MOV pc, lr // Return to caller
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
BX lr // Return to caller
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_end ARMv7-A */
|
/* _tx_thread_irq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_end
|
.global _tx_thread_irq_nesting_end
|
||||||
.type _tx_thread_irq_nesting_end,function
|
.type _tx_thread_irq_nesting_end,function
|
||||||
_tx_thread_irq_nesting_end:
|
_tx_thread_irq_nesting_end:
|
||||||
@ -102,8 +110,4 @@ _tx_thread_irq_nesting_end:
|
|||||||
BIC r0, r0, #MODE_MASK // Clear mode bits
|
BIC r0, r0, #MODE_MASK // Clear mode bits
|
||||||
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
IRQ_DISABLE = 0x80 // IRQ disable bit
|
IRQ_DISABLE = 0x80 // IRQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_start ARMv7-A */
|
/* _tx_thread_irq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_start
|
.global _tx_thread_irq_nesting_start
|
||||||
.type _tx_thread_irq_nesting_start,function
|
.type _tx_thread_irq_nesting_start,function
|
||||||
_tx_thread_irq_nesting_start:
|
_tx_thread_irq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_irq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,37 +23,29 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_schedule for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
.global $_tx_thread_schedule
|
|
||||||
.type $_tx_thread_schedule,function
|
|
||||||
$_tx_thread_schedule:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_schedule // Call _tx_thread_schedule function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#define IRQ_MODE 0x12 // IRQ mode
|
||||||
|
#define SVC_MODE 0x13 // SVC mode
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* */
|
/* */
|
||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_schedule ARMv7-A */
|
/* _tx_thread_schedule ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -95,8 +87,14 @@ $_tx_thread_schedule:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
.type _tx_thread_schedule,function
|
.type _tx_thread_schedule,function
|
||||||
_tx_thread_schedule:
|
_tx_thread_schedule:
|
||||||
@ -140,11 +138,11 @@ __tx_thread_schedule_loop:
|
|||||||
|
|
||||||
/* Setup time-slice, if present. */
|
/* Setup time-slice, if present. */
|
||||||
|
|
||||||
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice
|
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice variable
|
||||||
// variable
|
|
||||||
LDR sp, [r0, #8] // Switch stack pointers
|
|
||||||
STR r3, [r2] // Setup time-slice
|
STR r3, [r2] // Setup time-slice
|
||||||
|
|
||||||
|
LDR sp, [r0, #8] // Switch stack pointers
|
||||||
|
|
||||||
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
||||||
|
|
||||||
/* Call the thread entry function to indicate the thread is executing. */
|
/* Call the thread entry function to indicate the thread is executing. */
|
||||||
@ -154,16 +152,25 @@ __tx_thread_schedule_loop:
|
|||||||
MOV r0, r5 // Restore r0
|
MOV r0, r5 // Restore r0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Determine if an interrupt frame or a synchronous task suspension frame
|
/* Determine if an interrupt frame or a synchronous task suspension frame is present. */
|
||||||
is present. */
|
|
||||||
|
|
||||||
LDMIA sp!, {r4, r5} // Pickup the stack type and saved CPSR
|
POP {r4, r5} // Pickup the stack type and saved CPSR
|
||||||
CMP r4, #0 // Check for synchronous context switch
|
CMP r4, #0 // Check for synchronous context switch
|
||||||
BEQ _tx_solicited_return
|
BEQ _tx_solicited_return
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
#else
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
LDR r1, [r0, #8] // Get thread SP
|
||||||
|
LDR lr, [r1, #0x40] // Get thread PC
|
||||||
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
LDR r1, [r0, #144] // Pickup the VFP enabled flag
|
LDR r2, [r0, #144] // Pickup the VFP enabled flag
|
||||||
CMP r1, #0 // Is the VFP enabled?
|
CMP r2, #0 // Is the VFP enabled?
|
||||||
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
||||||
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
||||||
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
||||||
@ -171,7 +178,15 @@ __tx_thread_schedule_loop:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_interrupt_vfp_restore:
|
_tx_skip_interrupt_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
||||||
|
#else
|
||||||
|
POP {r0-r12, lr} // Restore registers
|
||||||
|
ADD sp, #4 // Fix stack pointer (skip PC saved on stack)
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
SUBS pc, lr, #0 // Return to point of thread interrupt
|
||||||
|
#endif
|
||||||
|
|
||||||
_tx_solicited_return:
|
_tx_solicited_return:
|
||||||
|
|
||||||
@ -185,52 +200,63 @@ _tx_solicited_return:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_solicited_vfp_restore:
|
_tx_skip_solicited_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MSR CPSR_cxsf, r5 // Recover CPSR
|
MSR CPSR_cxsf, r5 // Recover CPSR
|
||||||
LDMIA sp!, {r4-r11, lr} // Return to thread synchronously
|
POP {r4-r11, lr} // Restore registers
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_enable
|
.global tx_thread_vfp_enable
|
||||||
.type tx_thread_vfp_enable,function
|
.type tx_thread_vfp_enable,function
|
||||||
tx_thread_vfp_enable:
|
tx_thread_vfp_enable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_enable // If NULL, skip VFP enable
|
BEQ restore_ints // If NULL, skip VFP enable
|
||||||
MOV r0, #1 // Build enable value
|
MOV r2, #1 // Build enable value
|
||||||
STR r0, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_enable:
|
B restore_ints
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
|
||||||
BX LR // Return to caller
|
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_disable
|
.global tx_thread_vfp_disable
|
||||||
.type tx_thread_vfp_disable,function
|
.type tx_thread_vfp_disable,function
|
||||||
tx_thread_vfp_disable:
|
tx_thread_vfp_disable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_disable // If NULL, skip VFP disable
|
BEQ restore_ints // If NULL, skip VFP disable
|
||||||
MOV r0, #0 // Build disable value
|
MOV r2, #0 // Build disable value
|
||||||
STR r0, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_disable:
|
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
restore_ints:
|
||||||
BX LR // Return to caller
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
BX lr
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -23,33 +23,22 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
SVC_MODE = 0x13 // SVC mode
|
.thumb
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
|
||||||
CPSR_MASK = 0xDF // Mask initial CPSR, IRQ & FIQ interrupts enabled
|
|
||||||
#else
|
#else
|
||||||
CPSR_MASK = 0x9F // Mask initial CPSR, IRQ interrupts enabled
|
.arm
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_stack_build for
|
THUMB_MASK = 0x20 // Thumb bit mask
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_thread_stack_build
|
|
||||||
.type $_tx_thread_stack_build,function
|
|
||||||
$_tx_thread_stack_build:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_stack_build // Call _tx_thread_stack_build function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSR_MASK = 0xFF // Mask initial CPSR, T, IRQ & FIQ interrupts enabled
|
||||||
|
#else
|
||||||
|
CPSR_MASK = 0xBF // Mask initial CPSR, T, IRQ interrupts enabled
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -58,7 +47,7 @@ $_tx_thread_stack_build:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_stack_build ARMv7-A */
|
/* _tx_thread_stack_build ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -96,8 +85,14 @@ $_tx_thread_stack_build:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_stack_build
|
.global _tx_thread_stack_build
|
||||||
.type _tx_thread_stack_build,function
|
.type _tx_thread_stack_build,function
|
||||||
_tx_thread_stack_build:
|
_tx_thread_stack_build:
|
||||||
@ -135,6 +130,15 @@ _tx_thread_stack_build:
|
|||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STR r3, [r2, #0] // Store stack type
|
STR r3, [r2, #0] // Store stack type
|
||||||
|
|
||||||
|
MRS r3, CPSR // Pickup CPSR
|
||||||
|
BIC r3, #CPSR_MASK // Mask mode bits of CPSR
|
||||||
|
ORR r3, #SVC_MODE // Build CPSR, SYS mode, interrupts enabled
|
||||||
|
TST r1, #1 // Check if the initial PC is a Thumb function
|
||||||
|
IT NE
|
||||||
|
ORRNE r3, #THUMB_MASK // If the initial PC is a thumb function, CPSR must reflect this
|
||||||
|
STR r3, [r2, #4] // Store initial CPSR
|
||||||
|
|
||||||
MOV r3, #0 // Build initial register value
|
MOV r3, #0 // Build initial register value
|
||||||
STR r3, [r2, #8] // Store initial r0
|
STR r3, [r2, #8] // Store initial r0
|
||||||
STR r3, [r2, #12] // Store initial r1
|
STR r3, [r2, #12] // Store initial r1
|
||||||
@ -146,26 +150,20 @@ _tx_thread_stack_build:
|
|||||||
STR r3, [r2, #36] // Store initial r7
|
STR r3, [r2, #36] // Store initial r7
|
||||||
STR r3, [r2, #40] // Store initial r8
|
STR r3, [r2, #40] // Store initial r8
|
||||||
STR r3, [r2, #44] // Store initial r9
|
STR r3, [r2, #44] // Store initial r9
|
||||||
LDR r3, [r0, #12] // Pickup stack starting address
|
|
||||||
STR r3, [r2, #48] // Store initial r10 (sl)
|
|
||||||
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
|
||||||
STR r3, [r2, #60] // Store initial r14 (lr)
|
|
||||||
MOV r3, #0 // Build initial register value
|
|
||||||
STR r3, [r2, #52] // Store initial r11
|
STR r3, [r2, #52] // Store initial r11
|
||||||
STR r3, [r2, #56] // Store initial r12
|
STR r3, [r2, #56] // Store initial r12
|
||||||
STR r1, [r2, #64] // Store initial pc
|
|
||||||
STR r3, [r2, #68] // 0 for back-trace
|
STR r3, [r2, #68] // 0 for back-trace
|
||||||
MRS r1, CPSR // Pickup CPSR
|
|
||||||
BIC r1, r1, #CPSR_MASK // Mask mode bits of CPSR
|
LDR r3, [r0, #12] // Pickup stack starting address
|
||||||
ORR r3, r1, #SVC_MODE // Build CPSR, SVC mode, interrupts enabled
|
STR r3, [r2, #48] // Store initial r10 (sl)
|
||||||
STR r3, [r2, #4] // Store initial CPSR
|
|
||||||
|
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
||||||
|
STR r3, [r2, #60] // Store initial r14 (lr)
|
||||||
|
|
||||||
|
STR r1, [r2, #64] // Store initial pc
|
||||||
|
|
||||||
/* Setup stack pointer. */
|
/* Setup stack pointer. */
|
||||||
|
|
||||||
STR r2, [r0, #8] // Save stack pointer in thread's
|
STR r2, [r0, #8] // Save stack pointer in thread's
|
||||||
// control block
|
// control block
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,33 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_system_return for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_system_return
|
|
||||||
.type $_tx_thread_system_return,function
|
|
||||||
$_tx_thread_system_return:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_system_return // Call _tx_thread_system_return function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -57,7 +41,7 @@ $_tx_thread_system_return:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_system_return ARMv7-A */
|
/* _tx_thread_system_return ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -98,15 +82,21 @@ $_tx_thread_system_return:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_system_return
|
.global _tx_thread_system_return
|
||||||
.type _tx_thread_system_return,function
|
.type _tx_thread_system_return,function
|
||||||
_tx_thread_system_return:
|
_tx_thread_system_return:
|
||||||
|
|
||||||
/* Save minimal context on the stack. */
|
/* Save minimal context on the stack. */
|
||||||
|
|
||||||
STMDB sp!, {r4-r11, lr} // Save minimal context
|
PUSH {r4-r11, lr} // Save minimal context
|
||||||
|
|
||||||
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
||||||
LDR r5, [r4] // Pickup current thread pointer
|
LDR r5, [r4] // Pickup current thread pointer
|
||||||
@ -123,8 +113,11 @@ _tx_skip_solicited_vfp_save:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r0, #0 // Build a solicited stack type
|
MOV r0, #0 // Build a solicited stack type
|
||||||
MRS r1, CPSR // Pickup the CPSR
|
MRS r1, CPSR // Pickup the CPSR, T bit is always cleared by hardware
|
||||||
STMDB sp!, {r0-r1} // Save type and CPSR
|
TST lr, #1 // Check if calling function is in Thumb mode
|
||||||
|
IT NE
|
||||||
|
ORRNE r1, #0x20 // Set the T bit so that the correct mode is set on return
|
||||||
|
PUSH {r0-r1} // Save type and CPSR
|
||||||
|
|
||||||
/* Lockout interrupts. */
|
/* Lockout interrupts. */
|
||||||
|
|
||||||
|
|||||||
@ -23,8 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Define Assembly language external references... */
|
/* Define Assembly language external references... */
|
||||||
|
|
||||||
@ -37,26 +41,6 @@
|
|||||||
.global _tx_timer_expired
|
.global _tx_timer_expired
|
||||||
.global _tx_thread_time_slice
|
.global _tx_thread_time_slice
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_timer_interrupt for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_timer_interrupt
|
|
||||||
.type $_tx_timer_interrupt,function
|
|
||||||
$_tx_timer_interrupt:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_timer_interrupt // Call _tx_timer_interrupt function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -64,7 +48,7 @@ $_tx_timer_interrupt:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_timer_interrupt ARMv7-A */
|
/* _tx_timer_interrupt ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -104,8 +88,14 @@ $_tx_timer_interrupt:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_timer_interrupt
|
.global _tx_timer_interrupt
|
||||||
.type _tx_timer_interrupt,function
|
.type _tx_timer_interrupt,function
|
||||||
_tx_timer_interrupt:
|
_tx_timer_interrupt:
|
||||||
@ -197,7 +187,7 @@ __tx_timer_done:
|
|||||||
|
|
||||||
__tx_something_expired:
|
__tx_something_expired:
|
||||||
|
|
||||||
STMDB sp!, {r0, lr} // Save the lr register on the stack
|
PUSH {r0, lr} // Save the lr register on the stack
|
||||||
// and save r0 just to keep 8-byte alignment
|
// and save r0 just to keep 8-byte alignment
|
||||||
|
|
||||||
/* Did a timer expire? */
|
/* Did a timer expire? */
|
||||||
@ -225,13 +215,9 @@ __tx_timer_dont_activate:
|
|||||||
|
|
||||||
__tx_timer_not_ts_expiration:
|
__tx_timer_not_ts_expiration:
|
||||||
|
|
||||||
LDMIA sp!, {r0, lr} // Recover lr register (r0 is just there for
|
POP {r0, lr} // Recover lr register (r0 is just there for
|
||||||
// the 8-byte stack alignment
|
// the 8-byte stack alignment
|
||||||
|
|
||||||
__tx_timer_nothing_expired:
|
__tx_timer_nothing_expired:
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,16 +23,16 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
.thumb
|
||||||
SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
|
|
||||||
IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
|
|
||||||
#else
|
#else
|
||||||
SVC_MODE = 0x93 // Disable IRQ, SVC mode
|
.arm
|
||||||
IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
IRQ_MODE = 0x12 // IRQ mode
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_restore ARMv7-A */
|
/* _tx_thread_context_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_restore
|
.global _tx_thread_context_restore
|
||||||
@ -129,9 +131,9 @@ _tx_thread_context_restore:
|
|||||||
/* Just recover the saved registers and return to the point of
|
/* Just recover the saved registers and return to the point of
|
||||||
interrupt. */
|
interrupt. */
|
||||||
|
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_not_nested_restore:
|
__tx_thread_not_nested_restore:
|
||||||
@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
|
|||||||
/* Pickup the saved stack pointer. */
|
/* Pickup the saved stack pointer. */
|
||||||
|
|
||||||
/* Recover the saved context and return to the point of interrupt. */
|
/* Recover the saved context and return to the point of interrupt. */
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_preempt_restore:
|
__tx_thread_preempt_restore:
|
||||||
|
|
||||||
LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
|
POP {r3, r10, r12, lr} // Recover temporarily saved registers
|
||||||
MOV r1, lr // Save lr (point of interrupt)
|
MOV r1, lr // Save lr (point of interrupt)
|
||||||
MOV r2, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r2 // Enter SVC mode
|
|
||||||
STR r1, [sp, #-4]! // Save point of interrupt
|
STR r1, [sp, #-4]! // Save point of interrupt
|
||||||
STMDB sp!, {r4-r12, lr} // Save upper half of registers
|
PUSH {r4-r12, lr} // Save upper half of registers
|
||||||
MOV r4, r3 // Save SPSR in r4
|
MOV r4, r3 // Save SPSR in r4
|
||||||
MOV r2, #IRQ_MODE // Build IRQ mode CPSR
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
MSR CPSR_c, r2 // Enter IRQ mode
|
POP {r0-r3} // Recover r0-r3
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MOV r5, #SVC_MODE // Build SVC mode CPSR
|
PUSH {r0-r3} // Save r0-r3 on thread's stack
|
||||||
MSR CPSR_c, r5 // Enter SVC mode
|
|
||||||
STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
|
|
||||||
|
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
|
|||||||
STR r2, [sp, #-4]! // Save FPSCR
|
STR r2, [sp, #-4]! // Save FPSCR
|
||||||
VSTMDB sp!, {D16-D31} // Save D16-D31
|
VSTMDB sp!, {D16-D31} // Save D16-D31
|
||||||
VSTMDB sp!, {D0-D15} // Save D0-D15
|
VSTMDB sp!, {D0-D15} // Save D0-D15
|
||||||
|
|
||||||
_tx_skip_irq_vfp_save:
|
_tx_skip_irq_vfp_save:
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
|
PUSH {r3, r4} // Save interrupt stack type and SPSR
|
||||||
STR sp, [r0, #8] // Save stack pointer in thread control
|
STR sp, [r0, #8] // Save stack pointer in thread control
|
||||||
// block
|
// block
|
||||||
|
|
||||||
@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
|
|||||||
__tx_thread_idle_system_restore:
|
__tx_thread_idle_system_restore:
|
||||||
|
|
||||||
/* Just return back to the scheduler! */
|
/* Just return back to the scheduler! */
|
||||||
MOV r0, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r0 // Enter SVC mode
|
|
||||||
B _tx_thread_schedule // Return to scheduler
|
B _tx_thread_schedule // Return to scheduler
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global __tx_irq_processing_return
|
.global __tx_irq_processing_return
|
||||||
@ -31,7 +38,6 @@
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +45,7 @@
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_save ARMv7-A */
|
/* _tx_thread_context_save ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -79,6 +85,9 @@
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_save
|
.global _tx_thread_context_save
|
||||||
@ -90,7 +99,7 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Check for a nested interrupt condition. */
|
/* Check for a nested interrupt condition. */
|
||||||
|
|
||||||
STMDB sp!, {r0-r3} // Save some working registers
|
PUSH {r0-r3} // Save some working registers
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Disable FIQ interrupts
|
CPSID if // Disable FIQ interrupts
|
||||||
#endif
|
#endif
|
||||||
@ -101,15 +110,15 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Nested interrupt condition. */
|
/* Nested interrupt condition. */
|
||||||
|
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
|
|
||||||
/* Save the rest of the scratch registers on the stack and return to the
|
/* Save the rest of the scratch registers on the stack and return to the
|
||||||
calling ISR. */
|
calling ISR. */
|
||||||
|
|
||||||
MRS r0, SPSR // Pickup saved SPSR
|
MRS r0, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r0, r10, r12, lr} // Store other registers
|
PUSH {r0, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
/* Return to the ISR. */
|
/* Return to the ISR. */
|
||||||
|
|
||||||
@ -129,7 +138,7 @@ _tx_thread_context_save:
|
|||||||
__tx_thread_not_nested_save:
|
__tx_thread_not_nested_save:
|
||||||
|
|
||||||
/* Otherwise, not nested, check to see if a thread was running. */
|
/* Otherwise, not nested, check to see if a thread was running. */
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
|
|||||||
/* Save minimal context of interrupted thread. */
|
/* Save minimal context of interrupted thread. */
|
||||||
|
|
||||||
MRS r2, SPSR // Pickup saved SPSR
|
MRS r2, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r2, r10, r12, lr} // Store other registers
|
PUSH {r2, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
MOV r10, #0 // Clear stack limit
|
MOV r10, #0 // Clear stack limit
|
||||||
|
|
||||||
@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
|
|||||||
POP {lr} // Recover ISR lr
|
POP {lr} // Recover ISR lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
ADD sp, sp, #16 // Recover saved registers
|
ADD sp, #16 // Recover saved registers
|
||||||
B __tx_irq_processing_return // Continue IRQ processing
|
B __tx_irq_processing_return // Continue IRQ processing
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_end
|
.global _tx_thread_fiq_nesting_end
|
||||||
.type _tx_thread_fiq_nesting_end,function
|
.type _tx_thread_fiq_nesting_end,function
|
||||||
_tx_thread_fiq_nesting_end:
|
_tx_thread_fiq_nesting_end:
|
||||||
@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
|
|||||||
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
FIQ_DISABLE = 0x40 // FIQ disable bit
|
FIQ_DISABLE = 0x40 // FIQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
@ -23,22 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_disable for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_disable
|
|
||||||
$_tx_thread_interrupt_disable:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_disable // Call _tx_thread_interrupt_disable function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +37,7 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_disable ARMv7-A */
|
/* _tx_thread_interrupt_disable ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -82,8 +72,14 @@ $_tx_thread_interrupt_disable:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_disable
|
.global _tx_thread_interrupt_disable
|
||||||
.type _tx_thread_interrupt_disable,function
|
.type _tx_thread_interrupt_disable,function
|
||||||
_tx_thread_interrupt_disable:
|
_tx_thread_interrupt_disable:
|
||||||
@ -100,8 +96,4 @@ _tx_thread_interrupt_disable:
|
|||||||
CPSID i // Disable IRQ
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,22 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_restore for
|
.syntax unified
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_restore
|
|
||||||
$_tx_thread_interrupt_restore:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_restore // Call _tx_thread_interrupt_restore function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -47,7 +42,7 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_restore ARMv7-A */
|
/* _tx_thread_interrupt_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -83,17 +78,27 @@ $_tx_thread_interrupt_restore:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_restore
|
.global _tx_thread_interrupt_restore
|
||||||
.type _tx_thread_interrupt_restore,function
|
.type _tx_thread_interrupt_restore,function
|
||||||
_tx_thread_interrupt_restore:
|
_tx_thread_interrupt_restore:
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
MSR CPSR_c, r0 // Setup new CPSR
|
CPSIE i
|
||||||
#ifdef __THUMB_INTERWORK
|
no_irq:
|
||||||
BX lr // Return to caller
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
#else
|
TST r0, #FIQ_MASK
|
||||||
MOV pc, lr // Return to caller
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
BX lr // Return to caller
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_end ARMv7-A */
|
/* _tx_thread_irq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ IRQ_MODE_BITS = 0x12 // IRQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_end
|
.global _tx_thread_irq_nesting_end
|
||||||
.type _tx_thread_irq_nesting_end,function
|
.type _tx_thread_irq_nesting_end,function
|
||||||
_tx_thread_irq_nesting_end:
|
_tx_thread_irq_nesting_end:
|
||||||
@ -102,8 +110,4 @@ _tx_thread_irq_nesting_end:
|
|||||||
BIC r0, r0, #MODE_MASK // Clear mode bits
|
BIC r0, r0, #MODE_MASK // Clear mode bits
|
||||||
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #IRQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
IRQ_DISABLE = 0x80 // IRQ disable bit
|
IRQ_DISABLE = 0x80 // IRQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_irq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_irq_nesting_start ARMv7-A */
|
/* _tx_thread_irq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_irq_nesting_start
|
.global _tx_thread_irq_nesting_start
|
||||||
.type _tx_thread_irq_nesting_start,function
|
.type _tx_thread_irq_nesting_start,function
|
||||||
_tx_thread_irq_nesting_start:
|
_tx_thread_irq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_irq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
BIC r0, r0, #IRQ_DISABLE // Build enable IRQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,37 +23,29 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_schedule for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
.global $_tx_thread_schedule
|
|
||||||
.type $_tx_thread_schedule,function
|
|
||||||
$_tx_thread_schedule:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_schedule // Call _tx_thread_schedule function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#define IRQ_MODE 0x12 // IRQ mode
|
||||||
|
#define SVC_MODE 0x13 // SVC mode
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
/* */
|
/* */
|
||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_schedule ARMv7-A */
|
/* _tx_thread_schedule ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -95,8 +87,14 @@ $_tx_thread_schedule:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
.type _tx_thread_schedule,function
|
.type _tx_thread_schedule,function
|
||||||
_tx_thread_schedule:
|
_tx_thread_schedule:
|
||||||
@ -140,11 +138,11 @@ __tx_thread_schedule_loop:
|
|||||||
|
|
||||||
/* Setup time-slice, if present. */
|
/* Setup time-slice, if present. */
|
||||||
|
|
||||||
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice
|
LDR r2, =_tx_timer_time_slice // Pickup address of time-slice variable
|
||||||
// variable
|
|
||||||
LDR sp, [r0, #8] // Switch stack pointers
|
|
||||||
STR r3, [r2] // Setup time-slice
|
STR r3, [r2] // Setup time-slice
|
||||||
|
|
||||||
|
LDR sp, [r0, #8] // Switch stack pointers
|
||||||
|
|
||||||
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
|
||||||
|
|
||||||
/* Call the thread entry function to indicate the thread is executing. */
|
/* Call the thread entry function to indicate the thread is executing. */
|
||||||
@ -154,16 +152,25 @@ __tx_thread_schedule_loop:
|
|||||||
MOV r0, r5 // Restore r0
|
MOV r0, r5 // Restore r0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Determine if an interrupt frame or a synchronous task suspension frame
|
/* Determine if an interrupt frame or a synchronous task suspension frame is present. */
|
||||||
is present. */
|
|
||||||
|
|
||||||
LDMIA sp!, {r4, r5} // Pickup the stack type and saved CPSR
|
POP {r4, r5} // Pickup the stack type and saved CPSR
|
||||||
CMP r4, #0 // Check for synchronous context switch
|
CMP r4, #0 // Check for synchronous context switch
|
||||||
BEQ _tx_solicited_return
|
BEQ _tx_solicited_return
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
#else
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
MSR SPSR_cxsf, r5 // Setup SPSR for return
|
||||||
|
LDR r1, [r0, #8] // Get thread SP
|
||||||
|
LDR lr, [r1, #0x40] // Get thread PC
|
||||||
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
LDR r1, [r0, #144] // Pickup the VFP enabled flag
|
LDR r2, [r0, #144] // Pickup the VFP enabled flag
|
||||||
CMP r1, #0 // Is the VFP enabled?
|
CMP r2, #0 // Is the VFP enabled?
|
||||||
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
BEQ _tx_skip_interrupt_vfp_restore // No, skip VFP interrupt restore
|
||||||
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
VLDMIA sp!, {D0-D15} // Recover D0-D15
|
||||||
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
VLDMIA sp!, {D16-D31} // Recover D16-D31
|
||||||
@ -171,7 +178,15 @@ __tx_thread_schedule_loop:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_interrupt_vfp_restore:
|
_tx_skip_interrupt_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if !defined(THUMB_MODE)
|
||||||
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
LDMIA sp!, {r0-r12, lr, pc}^ // Return to point of thread interrupt
|
||||||
|
#else
|
||||||
|
POP {r0-r12, lr} // Restore registers
|
||||||
|
ADD sp, #4 // Fix stack pointer (skip PC saved on stack)
|
||||||
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
|
SUBS pc, lr, #0 // Return to point of thread interrupt
|
||||||
|
#endif
|
||||||
|
|
||||||
_tx_solicited_return:
|
_tx_solicited_return:
|
||||||
|
|
||||||
@ -185,52 +200,63 @@ _tx_solicited_return:
|
|||||||
VMSR FPSCR, r4 // Restore FPSCR
|
VMSR FPSCR, r4 // Restore FPSCR
|
||||||
_tx_skip_solicited_vfp_restore:
|
_tx_skip_solicited_vfp_restore:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MSR CPSR_cxsf, r5 // Recover CPSR
|
MSR CPSR_cxsf, r5 // Recover CPSR
|
||||||
LDMIA sp!, {r4-r11, lr} // Return to thread synchronously
|
POP {r4-r11, lr} // Restore registers
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef TX_ENABLE_VFP_SUPPORT
|
#ifdef TX_ENABLE_VFP_SUPPORT
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_enable
|
.global tx_thread_vfp_enable
|
||||||
.type tx_thread_vfp_enable,function
|
.type tx_thread_vfp_enable,function
|
||||||
tx_thread_vfp_enable:
|
tx_thread_vfp_enable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_enable // If NULL, skip VFP enable
|
BEQ restore_ints // If NULL, skip VFP enable
|
||||||
MOV r0, #1 // Build enable value
|
MOV r2, #1 // Build enable value
|
||||||
STR r0, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Set the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_enable:
|
B restore_ints
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
|
||||||
BX LR // Return to caller
|
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global tx_thread_vfp_disable
|
.global tx_thread_vfp_disable
|
||||||
.type tx_thread_vfp_disable,function
|
.type tx_thread_vfp_disable,function
|
||||||
tx_thread_vfp_disable:
|
tx_thread_vfp_disable:
|
||||||
MRS r2, CPSR // Pickup the CPSR
|
MRS r0, CPSR // Pickup current CPSR
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Enable IRQ and FIQ interrupts
|
CPSID if // Disable IRQ and FIQ
|
||||||
#else
|
#else
|
||||||
CPSID i // Enable IRQ interrupts
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
LDR r0, =_tx_thread_current_ptr // Build current thread pointer address
|
LDR r2, =_tx_thread_current_ptr // Build current thread pointer address
|
||||||
LDR r1, [r0] // Pickup current thread pointer
|
LDR r1, [r2] // Pickup current thread pointer
|
||||||
CMP r1, #0 // Check for NULL thread pointer
|
CMP r1, #0 // Check for NULL thread pointer
|
||||||
BEQ __tx_no_thread_to_disable // If NULL, skip VFP disable
|
BEQ restore_ints // If NULL, skip VFP disable
|
||||||
MOV r0, #0 // Build disable value
|
MOV r2, #0 // Build disable value
|
||||||
STR r0, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
STR r2, [r1, #144] // Clear the VFP enable flag (tx_thread_vfp_enable field in TX_THREAD)
|
||||||
__tx_no_thread_to_disable:
|
|
||||||
MSR CPSR_cxsf, r2 // Recover CPSR
|
restore_ints:
|
||||||
BX LR // Return to caller
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
BX lr
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -23,33 +23,22 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
SVC_MODE = 0x13 // SVC mode
|
.thumb
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
|
||||||
CPSR_MASK = 0xDF // Mask initial CPSR, IRQ & FIQ interrupts enabled
|
|
||||||
#else
|
#else
|
||||||
CPSR_MASK = 0x9F // Mask initial CPSR, IRQ interrupts enabled
|
.arm
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_stack_build for
|
THUMB_MASK = 0x20 // Thumb bit mask
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_thread_stack_build
|
|
||||||
.type $_tx_thread_stack_build,function
|
|
||||||
$_tx_thread_stack_build:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_stack_build // Call _tx_thread_stack_build function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSR_MASK = 0xFF // Mask initial CPSR, T, IRQ & FIQ interrupts enabled
|
||||||
|
#else
|
||||||
|
CPSR_MASK = 0xBF // Mask initial CPSR, T, IRQ interrupts enabled
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -58,7 +47,7 @@ $_tx_thread_stack_build:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_stack_build ARMv7-A */
|
/* _tx_thread_stack_build ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -96,8 +85,14 @@ $_tx_thread_stack_build:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_stack_build
|
.global _tx_thread_stack_build
|
||||||
.type _tx_thread_stack_build,function
|
.type _tx_thread_stack_build,function
|
||||||
_tx_thread_stack_build:
|
_tx_thread_stack_build:
|
||||||
@ -135,6 +130,15 @@ _tx_thread_stack_build:
|
|||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STR r3, [r2, #0] // Store stack type
|
STR r3, [r2, #0] // Store stack type
|
||||||
|
|
||||||
|
MRS r3, CPSR // Pickup CPSR
|
||||||
|
BIC r3, #CPSR_MASK // Mask mode bits of CPSR
|
||||||
|
ORR r3, #SVC_MODE // Build CPSR, SYS mode, interrupts enabled
|
||||||
|
TST r1, #1 // Check if the initial PC is a Thumb function
|
||||||
|
IT NE
|
||||||
|
ORRNE r3, #THUMB_MASK // If the initial PC is a thumb function, CPSR must reflect this
|
||||||
|
STR r3, [r2, #4] // Store initial CPSR
|
||||||
|
|
||||||
MOV r3, #0 // Build initial register value
|
MOV r3, #0 // Build initial register value
|
||||||
STR r3, [r2, #8] // Store initial r0
|
STR r3, [r2, #8] // Store initial r0
|
||||||
STR r3, [r2, #12] // Store initial r1
|
STR r3, [r2, #12] // Store initial r1
|
||||||
@ -146,26 +150,20 @@ _tx_thread_stack_build:
|
|||||||
STR r3, [r2, #36] // Store initial r7
|
STR r3, [r2, #36] // Store initial r7
|
||||||
STR r3, [r2, #40] // Store initial r8
|
STR r3, [r2, #40] // Store initial r8
|
||||||
STR r3, [r2, #44] // Store initial r9
|
STR r3, [r2, #44] // Store initial r9
|
||||||
LDR r3, [r0, #12] // Pickup stack starting address
|
|
||||||
STR r3, [r2, #48] // Store initial r10 (sl)
|
|
||||||
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
|
||||||
STR r3, [r2, #60] // Store initial r14 (lr)
|
|
||||||
MOV r3, #0 // Build initial register value
|
|
||||||
STR r3, [r2, #52] // Store initial r11
|
STR r3, [r2, #52] // Store initial r11
|
||||||
STR r3, [r2, #56] // Store initial r12
|
STR r3, [r2, #56] // Store initial r12
|
||||||
STR r1, [r2, #64] // Store initial pc
|
|
||||||
STR r3, [r2, #68] // 0 for back-trace
|
STR r3, [r2, #68] // 0 for back-trace
|
||||||
MRS r1, CPSR // Pickup CPSR
|
|
||||||
BIC r1, r1, #CPSR_MASK // Mask mode bits of CPSR
|
LDR r3, [r0, #12] // Pickup stack starting address
|
||||||
ORR r3, r1, #SVC_MODE // Build CPSR, SVC mode, interrupts enabled
|
STR r3, [r2, #48] // Store initial r10 (sl)
|
||||||
STR r3, [r2, #4] // Store initial CPSR
|
|
||||||
|
LDR r3,=_tx_thread_schedule // Pickup address of _tx_thread_schedule for GDB backtrace
|
||||||
|
STR r3, [r2, #60] // Store initial r14 (lr)
|
||||||
|
|
||||||
|
STR r1, [r2, #64] // Store initial pc
|
||||||
|
|
||||||
/* Setup stack pointer. */
|
/* Setup stack pointer. */
|
||||||
|
|
||||||
STR r2, [r0, #8] // Save stack pointer in thread's
|
STR r2, [r0, #8] // Save stack pointer in thread's
|
||||||
// control block
|
// control block
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,33 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_timer_time_slice
|
.global _tx_timer_time_slice
|
||||||
.global _tx_thread_schedule
|
.global _tx_thread_schedule
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_system_return for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_system_return
|
|
||||||
.type $_tx_thread_system_return,function
|
|
||||||
$_tx_thread_system_return:
|
|
||||||
.thumb
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_thread_system_return // Call _tx_thread_system_return function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -57,7 +41,7 @@ $_tx_thread_system_return:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_system_return ARMv7-A */
|
/* _tx_thread_system_return ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -98,15 +82,21 @@ $_tx_thread_system_return:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_system_return
|
.global _tx_thread_system_return
|
||||||
.type _tx_thread_system_return,function
|
.type _tx_thread_system_return,function
|
||||||
_tx_thread_system_return:
|
_tx_thread_system_return:
|
||||||
|
|
||||||
/* Save minimal context on the stack. */
|
/* Save minimal context on the stack. */
|
||||||
|
|
||||||
STMDB sp!, {r4-r11, lr} // Save minimal context
|
PUSH {r4-r11, lr} // Save minimal context
|
||||||
|
|
||||||
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
LDR r4, =_tx_thread_current_ptr // Pickup address of current ptr
|
||||||
LDR r5, [r4] // Pickup current thread pointer
|
LDR r5, [r4] // Pickup current thread pointer
|
||||||
@ -123,8 +113,11 @@ _tx_skip_solicited_vfp_save:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r0, #0 // Build a solicited stack type
|
MOV r0, #0 // Build a solicited stack type
|
||||||
MRS r1, CPSR // Pickup the CPSR
|
MRS r1, CPSR // Pickup the CPSR, T bit is always cleared by hardware
|
||||||
STMDB sp!, {r0-r1} // Save type and CPSR
|
TST lr, #1 // Check if calling function is in Thumb mode
|
||||||
|
IT NE
|
||||||
|
ORRNE r1, #0x20 // Set the T bit so that the correct mode is set on return
|
||||||
|
PUSH {r0-r1} // Save type and CPSR
|
||||||
|
|
||||||
/* Lockout interrupts. */
|
/* Lockout interrupts. */
|
||||||
|
|
||||||
|
|||||||
@ -23,8 +23,12 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
.arm
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Define Assembly language external references... */
|
/* Define Assembly language external references... */
|
||||||
|
|
||||||
@ -37,26 +41,6 @@
|
|||||||
.global _tx_timer_expired
|
.global _tx_timer_expired
|
||||||
.global _tx_thread_time_slice
|
.global _tx_thread_time_slice
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_timer_interrupt for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.thumb
|
|
||||||
.global $_tx_timer_interrupt
|
|
||||||
.type $_tx_timer_interrupt,function
|
|
||||||
$_tx_timer_interrupt:
|
|
||||||
BX pc // Switch to 32-bit mode
|
|
||||||
NOP //
|
|
||||||
.arm
|
|
||||||
STMFD sp!, {lr} // Save return address
|
|
||||||
BL _tx_timer_interrupt // Call _tx_timer_interrupt function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -64,7 +48,7 @@ $_tx_timer_interrupt:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_timer_interrupt ARMv7-A */
|
/* _tx_timer_interrupt ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -104,8 +88,14 @@ $_tx_timer_interrupt:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_timer_interrupt
|
.global _tx_timer_interrupt
|
||||||
.type _tx_timer_interrupt,function
|
.type _tx_timer_interrupt,function
|
||||||
_tx_timer_interrupt:
|
_tx_timer_interrupt:
|
||||||
@ -197,7 +187,7 @@ __tx_timer_done:
|
|||||||
|
|
||||||
__tx_something_expired:
|
__tx_something_expired:
|
||||||
|
|
||||||
STMDB sp!, {r0, lr} // Save the lr register on the stack
|
PUSH {r0, lr} // Save the lr register on the stack
|
||||||
// and save r0 just to keep 8-byte alignment
|
// and save r0 just to keep 8-byte alignment
|
||||||
|
|
||||||
/* Did a timer expire? */
|
/* Did a timer expire? */
|
||||||
@ -225,13 +215,9 @@ __tx_timer_dont_activate:
|
|||||||
|
|
||||||
__tx_timer_not_ts_expiration:
|
__tx_timer_not_ts_expiration:
|
||||||
|
|
||||||
LDMIA sp!, {r0, lr} // Recover lr register (r0 is just there for
|
POP {r0, lr} // Recover lr register (r0 is just there for
|
||||||
// the 8-byte stack alignment
|
// the 8-byte stack alignment
|
||||||
|
|
||||||
__tx_timer_nothing_expired:
|
__tx_timer_nothing_expired:
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -1,15 +1,30 @@
|
|||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
/* .text is used instead of .section .text so it works with arm-aout too. */
|
/* .text is used instead of .section .text so it works with arm-aout too. */
|
||||||
.text
|
.text
|
||||||
.code 32
|
|
||||||
.align 0
|
.align 0
|
||||||
|
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _mainCRTStartup
|
.global _mainCRTStartup
|
||||||
|
_mainCRTStartup:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _start
|
.global _start
|
||||||
|
_start:
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global start
|
.global start
|
||||||
start:
|
start:
|
||||||
_start:
|
|
||||||
_mainCRTStartup:
|
|
||||||
|
|
||||||
/* Start by setting up a stack */
|
/* Start by setting up a stack */
|
||||||
/* Set up the stack pointer to a fixed value */
|
/* Set up the stack pointer to a fixed value */
|
||||||
@ -69,24 +84,12 @@ _mainCRTStartup:
|
|||||||
.word _fini
|
.word _fini
|
||||||
#endif */
|
#endif */
|
||||||
/* Return ... */
|
/* Return ... */
|
||||||
#ifdef __APCS_26__
|
|
||||||
movs pc, lr
|
|
||||||
#else
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
bx lr
|
bx lr
|
||||||
#else
|
|
||||||
mov pc, lr
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
.global _fini
|
.global _fini
|
||||||
.type _fini,function
|
.type _fini,function
|
||||||
_fini:
|
_fini:
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
BX lr // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, lr // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Workspace for Angel calls. */
|
/* Workspace for Angel calls. */
|
||||||
.data
|
.data
|
||||||
|
|||||||
@ -23,16 +23,16 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
.arm
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
.thumb
|
||||||
SVC_MODE = 0xD3 // Disable IRQ/FIQ, SVC mode
|
|
||||||
IRQ_MODE = 0xD2 // Disable IRQ/FIQ, IRQ mode
|
|
||||||
#else
|
#else
|
||||||
SVC_MODE = 0x93 // Disable IRQ, SVC mode
|
.arm
|
||||||
IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
SVC_MODE = 0x13 // SVC mode
|
||||||
|
IRQ_MODE = 0x12 // IRQ mode
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global _tx_thread_execute_ptr
|
.global _tx_thread_execute_ptr
|
||||||
@ -45,7 +45,6 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_restore
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -53,7 +52,7 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_restore ARMv7-A */
|
/* _tx_thread_context_restore ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -94,6 +93,9 @@ IRQ_MODE = 0x92 // Disable IRQ, IRQ mode
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_restore
|
.global _tx_thread_context_restore
|
||||||
@ -129,9 +131,9 @@ _tx_thread_context_restore:
|
|||||||
/* Just recover the saved registers and return to the point of
|
/* Just recover the saved registers and return to the point of
|
||||||
interrupt. */
|
interrupt. */
|
||||||
|
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_not_nested_restore:
|
__tx_thread_not_nested_restore:
|
||||||
@ -160,26 +162,23 @@ __tx_thread_no_preempt_restore:
|
|||||||
/* Pickup the saved stack pointer. */
|
/* Pickup the saved stack pointer. */
|
||||||
|
|
||||||
/* Recover the saved context and return to the point of interrupt. */
|
/* Recover the saved context and return to the point of interrupt. */
|
||||||
LDMIA sp!, {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
POP {r0, r10, r12, lr} // Recover SPSR, POI, and scratch regs
|
||||||
MSR SPSR_cxsf, r0 // Put SPSR back
|
MSR SPSR_cxsf, r0 // Put SPSR back
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
POP {r0-r3} // Recover r0-r3
|
||||||
MOVS pc, lr // Return to point of interrupt
|
MOVS pc, lr // Return to point of interrupt
|
||||||
|
|
||||||
__tx_thread_preempt_restore:
|
__tx_thread_preempt_restore:
|
||||||
|
|
||||||
LDMIA sp!, {r3, r10, r12, lr} // Recover temporarily saved registers
|
POP {r3, r10, r12, lr} // Recover temporarily saved registers
|
||||||
MOV r1, lr // Save lr (point of interrupt)
|
MOV r1, lr // Save lr (point of interrupt)
|
||||||
MOV r2, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r2 // Enter SVC mode
|
|
||||||
STR r1, [sp, #-4]! // Save point of interrupt
|
STR r1, [sp, #-4]! // Save point of interrupt
|
||||||
STMDB sp!, {r4-r12, lr} // Save upper half of registers
|
PUSH {r4-r12, lr} // Save upper half of registers
|
||||||
MOV r4, r3 // Save SPSR in r4
|
MOV r4, r3 // Save SPSR in r4
|
||||||
MOV r2, #IRQ_MODE // Build IRQ mode CPSR
|
CPS #IRQ_MODE // Enter IRQ mode
|
||||||
MSR CPSR_c, r2 // Enter IRQ mode
|
POP {r0-r3} // Recover r0-r3
|
||||||
LDMIA sp!, {r0-r3} // Recover r0-r3
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MOV r5, #SVC_MODE // Build SVC mode CPSR
|
PUSH {r0-r3} // Save r0-r3 on thread's stack
|
||||||
MSR CPSR_c, r5 // Enter SVC mode
|
|
||||||
STMDB sp!, {r0-r3} // Save r0-r3 on thread's stack
|
|
||||||
|
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -192,13 +191,11 @@ __tx_thread_preempt_restore:
|
|||||||
STR r2, [sp, #-4]! // Save FPSCR
|
STR r2, [sp, #-4]! // Save FPSCR
|
||||||
VSTMDB sp!, {D16-D31} // Save D16-D31
|
VSTMDB sp!, {D16-D31} // Save D16-D31
|
||||||
VSTMDB sp!, {D0-D15} // Save D0-D15
|
VSTMDB sp!, {D0-D15} // Save D0-D15
|
||||||
|
|
||||||
_tx_skip_irq_vfp_save:
|
_tx_skip_irq_vfp_save:
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
MOV r3, #1 // Build interrupt stack type
|
MOV r3, #1 // Build interrupt stack type
|
||||||
STMDB sp!, {r3, r4} // Save interrupt stack type and SPSR
|
PUSH {r3, r4} // Save interrupt stack type and SPSR
|
||||||
STR sp, [r0, #8] // Save stack pointer in thread control
|
STR sp, [r0, #8] // Save stack pointer in thread control
|
||||||
// block
|
// block
|
||||||
|
|
||||||
@ -223,6 +220,5 @@ __tx_thread_dont_save_ts:
|
|||||||
__tx_thread_idle_system_restore:
|
__tx_thread_idle_system_restore:
|
||||||
|
|
||||||
/* Just return back to the scheduler! */
|
/* Just return back to the scheduler! */
|
||||||
MOV r0, #SVC_MODE // Build SVC mode CPSR
|
CPS #SVC_MODE // Enter SVC mode
|
||||||
MSR CPSR_c, r0 // Enter SVC mode
|
|
||||||
B _tx_thread_schedule // Return to scheduler
|
B _tx_thread_schedule // Return to scheduler
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
.global _tx_thread_system_state
|
.global _tx_thread_system_state
|
||||||
.global _tx_thread_current_ptr
|
.global _tx_thread_current_ptr
|
||||||
.global __tx_irq_processing_return
|
.global __tx_irq_processing_return
|
||||||
@ -31,7 +38,6 @@
|
|||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_context_save
|
||||||
since it will never be called 16-bit mode. */
|
since it will never be called 16-bit mode. */
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +45,7 @@
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_context_save ARMv7-A */
|
/* _tx_thread_context_save ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -79,6 +85,9 @@
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
.global _tx_thread_context_save
|
.global _tx_thread_context_save
|
||||||
@ -90,7 +99,7 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Check for a nested interrupt condition. */
|
/* Check for a nested interrupt condition. */
|
||||||
|
|
||||||
STMDB sp!, {r0-r3} // Save some working registers
|
PUSH {r0-r3} // Save some working registers
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
CPSID if // Disable FIQ interrupts
|
CPSID if // Disable FIQ interrupts
|
||||||
#endif
|
#endif
|
||||||
@ -101,15 +110,15 @@ _tx_thread_context_save:
|
|||||||
|
|
||||||
/* Nested interrupt condition. */
|
/* Nested interrupt condition. */
|
||||||
|
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
|
|
||||||
/* Save the rest of the scratch registers on the stack and return to the
|
/* Save the rest of the scratch registers on the stack and return to the
|
||||||
calling ISR. */
|
calling ISR. */
|
||||||
|
|
||||||
MRS r0, SPSR // Pickup saved SPSR
|
MRS r0, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r0, r10, r12, lr} // Store other registers
|
PUSH {r0, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
/* Return to the ISR. */
|
/* Return to the ISR. */
|
||||||
|
|
||||||
@ -129,7 +138,7 @@ _tx_thread_context_save:
|
|||||||
__tx_thread_not_nested_save:
|
__tx_thread_not_nested_save:
|
||||||
|
|
||||||
/* Otherwise, not nested, check to see if a thread was running. */
|
/* Otherwise, not nested, check to see if a thread was running. */
|
||||||
ADD r2, r2, #1 // Increment the interrupt counter
|
ADD r2, #1 // Increment the interrupt counter
|
||||||
STR r2, [r3] // Store it back in the variable
|
STR r2, [r3] // Store it back in the variable
|
||||||
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
LDR r1, =_tx_thread_current_ptr // Pickup address of current thread ptr
|
||||||
LDR r0, [r1] // Pickup current thread pointer
|
LDR r0, [r1] // Pickup current thread pointer
|
||||||
@ -140,8 +149,8 @@ __tx_thread_not_nested_save:
|
|||||||
/* Save minimal context of interrupted thread. */
|
/* Save minimal context of interrupted thread. */
|
||||||
|
|
||||||
MRS r2, SPSR // Pickup saved SPSR
|
MRS r2, SPSR // Pickup saved SPSR
|
||||||
SUB lr, lr, #4 // Adjust point of interrupt
|
SUB lr, #4 // Adjust point of interrupt
|
||||||
STMDB sp!, {r2, r10, r12, lr} // Store other registers
|
PUSH {r2, r10, r12, lr} // Store other registers
|
||||||
|
|
||||||
MOV r10, #0 // Clear stack limit
|
MOV r10, #0 // Clear stack limit
|
||||||
|
|
||||||
@ -174,5 +183,5 @@ __tx_thread_idle_system_save:
|
|||||||
POP {lr} // Recover ISR lr
|
POP {lr} // Recover ISR lr
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
ADD sp, sp, #16 // Recover saved registers
|
ADD sp, #16 // Recover saved registers
|
||||||
B __tx_irq_processing_return // Continue IRQ processing
|
B __tx_irq_processing_return // Continue IRQ processing
|
||||||
|
|||||||
@ -23,6 +23,13 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef TX_ENABLE_FIQ_SUPPORT
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
DISABLE_INTS = 0xC0 // Disable IRQ/FIQ interrupts
|
||||||
#else
|
#else
|
||||||
@ -31,11 +38,6 @@ DISABLE_INTS = 0x80 // Disable IRQ interrupts
|
|||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_end
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -43,7 +45,7 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
/* _tx_thread_fiq_nesting_end ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -88,8 +90,14 @@ FIQ_MODE_BITS = 0x11 // FIQ mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_end
|
.global _tx_thread_fiq_nesting_end
|
||||||
.type _tx_thread_fiq_nesting_end,function
|
.type _tx_thread_fiq_nesting_end,function
|
||||||
_tx_thread_fiq_nesting_end:
|
_tx_thread_fiq_nesting_end:
|
||||||
@ -103,8 +111,4 @@ _tx_thread_fiq_nesting_end:
|
|||||||
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
ORR r0, r0, #FIQ_MODE_BITS // Build IRQ mode CPSR
|
||||||
MSR CPSR_c, r0 // Reenter IRQ mode
|
MSR CPSR_c, r0 // Reenter IRQ mode
|
||||||
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,15 +23,17 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb
|
||||||
|
#else
|
||||||
|
.arm
|
||||||
|
#endif
|
||||||
|
|
||||||
FIQ_DISABLE = 0x40 // FIQ disable bit
|
FIQ_DISABLE = 0x40 // FIQ disable bit
|
||||||
MODE_MASK = 0x1F // Mode mask
|
MODE_MASK = 0x1F // Mode mask
|
||||||
SYS_MODE_BITS = 0x1F // System mode bits
|
SYS_MODE_BITS = 0x1F // System mode bits
|
||||||
|
|
||||||
|
|
||||||
/* No 16-bit Thumb mode veneer code is needed for _tx_thread_fiq_nesting_start
|
|
||||||
since it will never be called 16-bit mode. */
|
|
||||||
|
|
||||||
.arm
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
@ -39,7 +41,7 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
/* _tx_thread_fiq_nesting_start ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -81,8 +83,14 @@ SYS_MODE_BITS = 0x1F // System mode bits
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_fiq_nesting_start
|
.global _tx_thread_fiq_nesting_start
|
||||||
.type _tx_thread_fiq_nesting_start,function
|
.type _tx_thread_fiq_nesting_start,function
|
||||||
_tx_thread_fiq_nesting_start:
|
_tx_thread_fiq_nesting_start:
|
||||||
@ -95,8 +103,4 @@ _tx_thread_fiq_nesting_start:
|
|||||||
// and push r1 just to keep 8-byte alignment
|
// and push r1 just to keep 8-byte alignment
|
||||||
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
BIC r0, r0, #FIQ_DISABLE // Build enable FIQ CPSR
|
||||||
MSR CPSR_c, r0 // Enter system mode
|
MSR CPSR_c, r0 // Enter system mode
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX r3 // Return to caller
|
BX r3 // Return to caller
|
||||||
#else
|
|
||||||
MOV pc, r3 // Return to caller
|
|
||||||
#endif
|
|
||||||
|
|||||||
@ -23,25 +23,18 @@
|
|||||||
#include "tx_user.h"
|
#include "tx_user.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
INT_MASK = 0x03F
|
.syntax unified
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
|
||||||
/* Define the 16-bit Thumb mode veneer for _tx_thread_interrupt_control for
|
|
||||||
applications calling this function from to 16-bit Thumb mode. */
|
|
||||||
|
|
||||||
.text
|
|
||||||
.align 2
|
|
||||||
.global $_tx_thread_interrupt_control
|
|
||||||
$_tx_thread_interrupt_control:
|
|
||||||
.thumb
|
.thumb
|
||||||
BX pc // Switch to 32-bit mode
|
#else
|
||||||
NOP //
|
|
||||||
.arm
|
.arm
|
||||||
STMFD sp!, {lr} // Save return address
|
#endif
|
||||||
BL _tx_thread_interrupt_control // Call _tx_thread_interrupt_control function
|
|
||||||
LDMFD sp!, {lr} // Recover saved return address
|
|
||||||
BX lr // Return to 16-bit caller
|
|
||||||
|
|
||||||
|
INT_MASK = 0x0C0
|
||||||
|
IRQ_MASK = 0x080
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
FIQ_MASK = 0x040
|
||||||
|
#endif
|
||||||
|
|
||||||
.text
|
.text
|
||||||
.align 2
|
.align 2
|
||||||
@ -50,7 +43,7 @@ $_tx_thread_interrupt_control:
|
|||||||
/* FUNCTION RELEASE */
|
/* FUNCTION RELEASE */
|
||||||
/* */
|
/* */
|
||||||
/* _tx_thread_interrupt_control ARMv7-A */
|
/* _tx_thread_interrupt_control ARMv7-A */
|
||||||
/* 6.3.0 */
|
/* 6.x */
|
||||||
/* AUTHOR */
|
/* AUTHOR */
|
||||||
/* */
|
/* */
|
||||||
/* William E. Lamie, Microsoft Corporation */
|
/* William E. Lamie, Microsoft Corporation */
|
||||||
@ -86,25 +79,35 @@ $_tx_thread_interrupt_control:
|
|||||||
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
/* 10-31-2023 Tiejun Zhou Modified comment(s), added */
|
||||||
/* #include tx_user.h, */
|
/* #include tx_user.h, */
|
||||||
/* resulting in version 6.3.0 */
|
/* resulting in version 6.3.0 */
|
||||||
|
/* xx-xx-xxxx Yajun Xia Modified comment(s), */
|
||||||
|
/* Added thumb mode support, */
|
||||||
|
/* resulting in version 6.x */
|
||||||
/* */
|
/* */
|
||||||
/**************************************************************************/
|
/**************************************************************************/
|
||||||
|
#if defined(THUMB_MODE)
|
||||||
|
.thumb_func
|
||||||
|
#endif
|
||||||
.global _tx_thread_interrupt_control
|
.global _tx_thread_interrupt_control
|
||||||
.type _tx_thread_interrupt_control,function
|
.type _tx_thread_interrupt_control,function
|
||||||
_tx_thread_interrupt_control:
|
_tx_thread_interrupt_control:
|
||||||
|
MRS r1, CPSR // Pickup current CPSR
|
||||||
|
|
||||||
/* Pickup current interrupt lockout posture. */
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
CPSID if // Disable IRQ and FIQ
|
||||||
MRS r3, CPSR // Pickup current CPSR
|
|
||||||
MOV r2, #INT_MASK // Build interrupt mask
|
|
||||||
AND r1, r3, r2 // Clear interrupt lockout bits
|
|
||||||
ORR r1, r1, r0 // Or-in new interrupt lockout bits
|
|
||||||
|
|
||||||
/* Apply the new interrupt posture. */
|
|
||||||
|
|
||||||
MSR CPSR_c, r1 // Setup new CPSR
|
|
||||||
BIC r0, r3, r2 // Return previous interrupt mask
|
|
||||||
#ifdef __THUMB_INTERWORK
|
|
||||||
BX lr // Return to caller
|
|
||||||
#else
|
#else
|
||||||
MOV pc, lr // Return to caller
|
CPSID i // Disable IRQ
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
TST r0, #IRQ_MASK
|
||||||
|
BNE no_irq
|
||||||
|
CPSIE i
|
||||||
|
no_irq:
|
||||||
|
#ifdef TX_ENABLE_FIQ_SUPPORT
|
||||||
|
TST r0, #FIQ_MASK
|
||||||
|
BNE no_fiq
|
||||||
|
CPSIE f
|
||||||
|
no_fiq:
|
||||||
|
#endif
|
||||||
|
|
||||||
|
AND r0, r1, #INT_MASK
|
||||||
|
BX lr
|
||||||
|
|||||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
x
Reference in New Issue
Block a user