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tinyusb/hw/bsp/lpcxpresso51u68/startup_LPC51U68.S
hathach b3acce17cc adding lpc51u68 support
2019-08-24 00:52:46 +07:00

537 lines
17 KiB
ArmAsm
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/* --------------------------------------------------------------------------*/
/* @file: startup_LPC51U68.S */
/* @purpose: CMSIS Cortex-M0+ Core Device Startup File */
/* LPC51U68 */
/* @version: 1.0 */
/* @date: 2017-12-15 */
/* --------------------------------------------------------------------------*/
/* */
/* Copyright 1997-2016 Freescale Semiconductor, Inc. */
/* Copyright 2016-2018 NXP */
/* */
/* SPDX-License-Identifier: BSD-3-Clause */
/*****************************************************************************/
/* Version: GCC for ARM Embedded Processors */
/*****************************************************************************/
.syntax unified
.arch armv6-m
.section .isr_vector, "a"
.align 2
.globl __Vectors
__Vectors:
.long __StackTop /* Top of Stack */
.long Reset_Handler /* Reset Handler */
.long NMI_Handler /* NMI Handler */
.long HardFault_Handler /* Hard Fault Handler */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long SVC_Handler /* SVCall Handler */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long PendSV_Handler /* PendSV Handler */
.long SysTick_Handler /* SysTick Handler */
/* External Interrupts */
.long WDT_BOD_IRQHandler /* Windowed watchdog timer, Brownout detect */
.long DMA0_IRQHandler /* DMA controller */
.long GINT0_IRQHandler /* GPIO group 0 */
.long GINT1_IRQHandler /* GPIO group 1 */
.long PIN_INT0_IRQHandler /* Pin interrupt 0 or pattern match engine slice 0 */
.long PIN_INT1_IRQHandler /* Pin interrupt 1or pattern match engine slice 1 */
.long PIN_INT2_IRQHandler /* Pin interrupt 2 or pattern match engine slice 2 */
.long PIN_INT3_IRQHandler /* Pin interrupt 3 or pattern match engine slice 3 */
.long UTICK0_IRQHandler /* Micro-tick Timer */
.long MRT0_IRQHandler /* Multi-rate timer */
.long CTIMER0_IRQHandler /* Standard counter/timer CTIMER0 */
.long CTIMER1_IRQHandler /* Standard counter/timer CTIMER1 */
.long SCT0_IRQHandler /* SCTimer/PWM */
.long CTIMER3_IRQHandler /* Standard counter/timer CTIMER3 */
.long FLEXCOMM0_IRQHandler /* Flexcomm Interface 0 (USART, SPI, I2C) */
.long FLEXCOMM1_IRQHandler /* Flexcomm Interface 1 (USART, SPI, I2C) */
.long FLEXCOMM2_IRQHandler /* Flexcomm Interface 2 (USART, SPI, I2C) */
.long FLEXCOMM3_IRQHandler /* Flexcomm Interface 3 (USART, SPI, I2C) */
.long FLEXCOMM4_IRQHandler /* Flexcomm Interface 4 (USART, SPI, I2C) */
.long FLEXCOMM5_IRQHandler /* Flexcomm Interface 5 (USART, SPI, I2C) */
.long FLEXCOMM6_IRQHandler /* Flexcomm Interface 6 (USART, SPI, I2C, I2S) */
.long FLEXCOMM7_IRQHandler /* Flexcomm Interface 7 (USART, SPI, I2C, I2S) */
.long ADC0_SEQA_IRQHandler /* ADC0 sequence A completion. */
.long ADC0_SEQB_IRQHandler /* ADC0 sequence B completion. */
.long ADC0_THCMP_IRQHandler /* ADC0 threshold compare and error. */
.long Reserved41_IRQHandler /* Reserved interrupt */
.long Reserved42_IRQHandler /* Reserved interrupt */
.long USB0_NEEDCLK_IRQHandler /* USB Activity Wake-up Interrupt */
.long USB0_IRQHandler /* USB device */
.long RTC_IRQHandler /* RTC alarm and wake-up interrupts */
.long Reserved46_IRQHandler /* Reserved interrupt */
.long Reserved47_IRQHandler /* Reserved interrupt */
.size __Vectors, . - __Vectors
.text
.thumb
/* Reset Handler */
.thumb_func
.align 2
.globl Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
cpsid i /* Mask interrupts */
#ifndef __NO_SYSTEM_INIT
ldr r0,=SystemInit
blx r0
#endif
/* Loop to copy data from read only memory to RAM. The ranges
* of copy from/to are specified by following symbols evaluated in
* linker script.
* __etext: End of code section, i.e., begin of data sections to copy from.
* __data_start__/__data_end__: RAM address range that data should be
* copied to. Both must be aligned to 4 bytes boundary. */
ldr r1, =__etext
ldr r2, =__data_start__
ldr r3, =__data_end__
subs r3, r2
ble .LC0
.LC1:
subs r3, 4
ldr r0, [r1,r3]
str r0, [r2,r3]
bgt .LC1
.LC0:
#ifdef __STARTUP_CLEAR_BSS
/* This part of work usually is done in C library startup code. Otherwise,
* define this macro to enable it in this startup.
*
* Loop to zero out BSS section, which uses following symbols
* in linker script:
* __bss_start__: start of BSS section. Must align to 4
* __bss_end__: end of BSS section. Must align to 4
*/
ldr r1, =__bss_start__
ldr r2, =__bss_end__
subs r2, r1
ble .LC3
movs r0, 0
.LC2:
str r0, [r1, r2]
subs r2, 4
bge .LC2
.LC3:
#endif
cpsie i /* Unmask interrupts */
#ifndef __START
#define __START _start
#endif
#ifndef __ATOLLIC__
ldr r0,=__START
blx r0
#else
ldr r0,=__libc_init_array
blx r0
ldr r0,=main
bx r0
#endif
.pool
.size Reset_Handler, . - Reset_Handler
.align 1
.thumb_func
.weak DefaultISR
.type DefaultISR, %function
DefaultISR:
ldr r0, =DefaultISR
bx r0
.size DefaultISR, . - DefaultISR
.align 1
.thumb_func
.weak NMI_Handler
.type NMI_Handler, %function
NMI_Handler:
ldr r0,=NMI_Handler
bx r0
.size NMI_Handler, . - NMI_Handler
.align 1
.thumb_func
.weak HardFault_Handler
.type HardFault_Handler, %function
HardFault_Handler:
ldr r0,=HardFault_Handler
bx r0
.size HardFault_Handler, . - HardFault_Handler
.align 1
.thumb_func
.weak SVC_Handler
.type SVC_Handler, %function
SVC_Handler:
ldr r0,=SVC_Handler
bx r0
.size SVC_Handler, . - SVC_Handler
.align 1
.thumb_func
.weak PendSV_Handler
.type PendSV_Handler, %function
PendSV_Handler:
ldr r0,=PendSV_Handler
bx r0
.size PendSV_Handler, . - PendSV_Handler
.align 1
.thumb_func
.weak SysTick_Handler
.type SysTick_Handler, %function
SysTick_Handler:
ldr r0,=SysTick_Handler
bx r0
.size SysTick_Handler, . - SysTick_Handler
.align 1
.thumb_func
.weak WDT_BOD_IRQHandler
.type WDT_BOD_IRQHandler, %function
WDT_BOD_IRQHandler:
ldr r0,=WDT_BOD_DriverIRQHandler
bx r0
.size WDT_BOD_IRQHandler, . - WDT_BOD_IRQHandler
.align 1
.thumb_func
.weak DMA0_IRQHandler
.type DMA0_IRQHandler, %function
DMA0_IRQHandler:
ldr r0,=DMA0_DriverIRQHandler
bx r0
.size DMA0_IRQHandler, . - DMA0_IRQHandler
.align 1
.thumb_func
.weak GINT0_IRQHandler
.type GINT0_IRQHandler, %function
GINT0_IRQHandler:
ldr r0,=GINT0_DriverIRQHandler
bx r0
.size GINT0_IRQHandler, . - GINT0_IRQHandler
.align 1
.thumb_func
.weak GINT1_IRQHandler
.type GINT1_IRQHandler, %function
GINT1_IRQHandler:
ldr r0,=GINT1_DriverIRQHandler
bx r0
.size GINT1_IRQHandler, . - GINT1_IRQHandler
.align 1
.thumb_func
.weak PIN_INT0_IRQHandler
.type PIN_INT0_IRQHandler, %function
PIN_INT0_IRQHandler:
ldr r0,=PIN_INT0_DriverIRQHandler
bx r0
.size PIN_INT0_IRQHandler, . - PIN_INT0_IRQHandler
.align 1
.thumb_func
.weak PIN_INT1_IRQHandler
.type PIN_INT1_IRQHandler, %function
PIN_INT1_IRQHandler:
ldr r0,=PIN_INT1_DriverIRQHandler
bx r0
.size PIN_INT1_IRQHandler, . - PIN_INT1_IRQHandler
.align 1
.thumb_func
.weak PIN_INT2_IRQHandler
.type PIN_INT2_IRQHandler, %function
PIN_INT2_IRQHandler:
ldr r0,=PIN_INT2_DriverIRQHandler
bx r0
.size PIN_INT2_IRQHandler, . - PIN_INT2_IRQHandler
.align 1
.thumb_func
.weak PIN_INT3_IRQHandler
.type PIN_INT3_IRQHandler, %function
PIN_INT3_IRQHandler:
ldr r0,=PIN_INT3_DriverIRQHandler
bx r0
.size PIN_INT3_IRQHandler, . - PIN_INT3_IRQHandler
.align 1
.thumb_func
.weak UTICK0_IRQHandler
.type UTICK0_IRQHandler, %function
UTICK0_IRQHandler:
ldr r0,=UTICK0_DriverIRQHandler
bx r0
.size UTICK0_IRQHandler, . - UTICK0_IRQHandler
.align 1
.thumb_func
.weak MRT0_IRQHandler
.type MRT0_IRQHandler, %function
MRT0_IRQHandler:
ldr r0,=MRT0_DriverIRQHandler
bx r0
.size MRT0_IRQHandler, . - MRT0_IRQHandler
.align 1
.thumb_func
.weak CTIMER0_IRQHandler
.type CTIMER0_IRQHandler, %function
CTIMER0_IRQHandler:
ldr r0,=CTIMER0_DriverIRQHandler
bx r0
.size CTIMER0_IRQHandler, . - CTIMER0_IRQHandler
.align 1
.thumb_func
.weak CTIMER1_IRQHandler
.type CTIMER1_IRQHandler, %function
CTIMER1_IRQHandler:
ldr r0,=CTIMER1_DriverIRQHandler
bx r0
.size CTIMER1_IRQHandler, . - CTIMER1_IRQHandler
.align 1
.thumb_func
.weak SCT0_IRQHandler
.type SCT0_IRQHandler, %function
SCT0_IRQHandler:
ldr r0,=SCT0_DriverIRQHandler
bx r0
.size SCT0_IRQHandler, . - SCT0_IRQHandler
.align 1
.thumb_func
.weak CTIMER3_IRQHandler
.type CTIMER3_IRQHandler, %function
CTIMER3_IRQHandler:
ldr r0,=CTIMER3_DriverIRQHandler
bx r0
.size CTIMER3_IRQHandler, . - CTIMER3_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM0_IRQHandler
.type FLEXCOMM0_IRQHandler, %function
FLEXCOMM0_IRQHandler:
ldr r0,=FLEXCOMM0_DriverIRQHandler
bx r0
.size FLEXCOMM0_IRQHandler, . - FLEXCOMM0_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM1_IRQHandler
.type FLEXCOMM1_IRQHandler, %function
FLEXCOMM1_IRQHandler:
ldr r0,=FLEXCOMM1_DriverIRQHandler
bx r0
.size FLEXCOMM1_IRQHandler, . - FLEXCOMM1_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM2_IRQHandler
.type FLEXCOMM2_IRQHandler, %function
FLEXCOMM2_IRQHandler:
ldr r0,=FLEXCOMM2_DriverIRQHandler
bx r0
.size FLEXCOMM2_IRQHandler, . - FLEXCOMM2_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM3_IRQHandler
.type FLEXCOMM3_IRQHandler, %function
FLEXCOMM3_IRQHandler:
ldr r0,=FLEXCOMM3_DriverIRQHandler
bx r0
.size FLEXCOMM3_IRQHandler, . - FLEXCOMM3_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM4_IRQHandler
.type FLEXCOMM4_IRQHandler, %function
FLEXCOMM4_IRQHandler:
ldr r0,=FLEXCOMM4_DriverIRQHandler
bx r0
.size FLEXCOMM4_IRQHandler, . - FLEXCOMM4_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM5_IRQHandler
.type FLEXCOMM5_IRQHandler, %function
FLEXCOMM5_IRQHandler:
ldr r0,=FLEXCOMM5_DriverIRQHandler
bx r0
.size FLEXCOMM5_IRQHandler, . - FLEXCOMM5_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM6_IRQHandler
.type FLEXCOMM6_IRQHandler, %function
FLEXCOMM6_IRQHandler:
ldr r0,=FLEXCOMM6_DriverIRQHandler
bx r0
.size FLEXCOMM6_IRQHandler, . - FLEXCOMM6_IRQHandler
.align 1
.thumb_func
.weak FLEXCOMM7_IRQHandler
.type FLEXCOMM7_IRQHandler, %function
FLEXCOMM7_IRQHandler:
ldr r0,=FLEXCOMM7_DriverIRQHandler
bx r0
.size FLEXCOMM7_IRQHandler, . - FLEXCOMM7_IRQHandler
.align 1
.thumb_func
.weak ADC0_SEQA_IRQHandler
.type ADC0_SEQA_IRQHandler, %function
ADC0_SEQA_IRQHandler:
ldr r0,=ADC0_SEQA_DriverIRQHandler
bx r0
.size ADC0_SEQA_IRQHandler, . - ADC0_SEQA_IRQHandler
.align 1
.thumb_func
.weak ADC0_SEQB_IRQHandler
.type ADC0_SEQB_IRQHandler, %function
ADC0_SEQB_IRQHandler:
ldr r0,=ADC0_SEQB_DriverIRQHandler
bx r0
.size ADC0_SEQB_IRQHandler, . - ADC0_SEQB_IRQHandler
.align 1
.thumb_func
.weak ADC0_THCMP_IRQHandler
.type ADC0_THCMP_IRQHandler, %function
ADC0_THCMP_IRQHandler:
ldr r0,=ADC0_THCMP_DriverIRQHandler
bx r0
.size ADC0_THCMP_IRQHandler, . - ADC0_THCMP_IRQHandler
.align 1
.thumb_func
.weak Reserved41_IRQHandler
.type Reserved41_IRQHandler, %function
Reserved41_IRQHandler:
ldr r0,=Reserved41_DriverIRQHandler
bx r0
.size Reserved41_IRQHandler, . - Reserved41_IRQHandler
.align 1
.thumb_func
.weak Reserved42_IRQHandler
.type Reserved42_IRQHandler, %function
Reserved42_IRQHandler:
ldr r0,=Reserved42_DriverIRQHandler
bx r0
.size Reserved42_IRQHandler, . - Reserved42_IRQHandler
.align 1
.thumb_func
.weak USB0_NEEDCLK_IRQHandler
.type USB0_NEEDCLK_IRQHandler, %function
USB0_NEEDCLK_IRQHandler:
ldr r0,=USB0_NEEDCLK_DriverIRQHandler
bx r0
.size USB0_NEEDCLK_IRQHandler, . - USB0_NEEDCLK_IRQHandler
.align 1
.thumb_func
.weak USB0_IRQHandler
.type USB0_IRQHandler, %function
USB0_IRQHandler:
ldr r0,=USB0_DriverIRQHandler
bx r0
.size USB0_IRQHandler, . - USB0_IRQHandler
.align 1
.thumb_func
.weak RTC_IRQHandler
.type RTC_IRQHandler, %function
RTC_IRQHandler:
ldr r0,=RTC_DriverIRQHandler
bx r0
.size RTC_IRQHandler, . - RTC_IRQHandler
.align 1
.thumb_func
.weak Reserved46_IRQHandler
.type Reserved46_IRQHandler, %function
Reserved46_IRQHandler:
ldr r0,=Reserved46_DriverIRQHandler
bx r0
.size Reserved46_IRQHandler, . - Reserved46_IRQHandler
.align 1
.thumb_func
.weak Reserved47_IRQHandler
.type Reserved47_IRQHandler, %function
Reserved47_IRQHandler:
ldr r0,=Reserved47_DriverIRQHandler
bx r0
.size Reserved47_IRQHandler, . - Reserved47_IRQHandler
/* Macro to define default handlers. Default handler
* will be weak symbol and just dead loops. They can be
* overwritten by other handlers */
.macro def_irq_handler handler_name
.weak \handler_name
.set \handler_name, DefaultISR
.endm
def_irq_handler WDT_BOD_DriverIRQHandler
def_irq_handler DMA0_DriverIRQHandler
def_irq_handler GINT0_DriverIRQHandler
def_irq_handler GINT1_DriverIRQHandler
def_irq_handler PIN_INT0_DriverIRQHandler
def_irq_handler PIN_INT1_DriverIRQHandler
def_irq_handler PIN_INT2_DriverIRQHandler
def_irq_handler PIN_INT3_DriverIRQHandler
def_irq_handler UTICK0_DriverIRQHandler
def_irq_handler MRT0_DriverIRQHandler
def_irq_handler CTIMER0_DriverIRQHandler
def_irq_handler CTIMER1_DriverIRQHandler
def_irq_handler SCT0_DriverIRQHandler
def_irq_handler CTIMER3_DriverIRQHandler
def_irq_handler FLEXCOMM0_DriverIRQHandler
def_irq_handler FLEXCOMM1_DriverIRQHandler
def_irq_handler FLEXCOMM2_DriverIRQHandler
def_irq_handler FLEXCOMM3_DriverIRQHandler
def_irq_handler FLEXCOMM4_DriverIRQHandler
def_irq_handler FLEXCOMM5_DriverIRQHandler
def_irq_handler FLEXCOMM6_DriverIRQHandler
def_irq_handler FLEXCOMM7_DriverIRQHandler
def_irq_handler ADC0_SEQA_DriverIRQHandler
def_irq_handler ADC0_SEQB_DriverIRQHandler
def_irq_handler ADC0_THCMP_DriverIRQHandler
def_irq_handler Reserved41_DriverIRQHandler
def_irq_handler Reserved42_DriverIRQHandler
def_irq_handler USB0_NEEDCLK_DriverIRQHandler
def_irq_handler USB0_DriverIRQHandler
def_irq_handler RTC_DriverIRQHandler
def_irq_handler Reserved46_DriverIRQHandler
def_irq_handler Reserved47_DriverIRQHandler
.end
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