mirror of
https://github.com/azure-rtos/threadx
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338 lines
13 KiB
C
338 lines
13 KiB
C
/***************************************************************************
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* Copyright (c) 2024 Microsoft Corporation
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*
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* This program and the accompanying materials are made available under the
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* terms of the MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** Port Specific */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/* */
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/* PORT SPECIFIC C INFORMATION RELEASE */
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/* */
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/* tx_port.h ARCv2_EM/MetaWare */
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/* 6.1.6 */
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/* */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This file contains data type definitions that make the ThreadX */
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/* real-time kernel function identically on a variety of different */
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/* processor architectures. For example, the size or number of bits */
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/* in an "int" data type vary between microprocessor architectures and */
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/* even C compilers for the same microprocessor. ThreadX does not */
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/* directly use native C data types. Instead, ThreadX creates its */
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/* own special types that can be mapped to actual data types by this */
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/* file to guarantee consistency in the interface and functionality. */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 09-30-2020 William E. Lamie Initial Version 6.1 */
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/* 04-02-2021 Bhupendra Naphade Modified comment(s), updated */
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/* macro definition, */
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/* resulting in version 6.1.6 */
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/* 01-31-2022 Andres Mlinar Modified comments(s), */
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/* initialize interrupts right */
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/* before enabling the task */
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/* scheduler, */
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/* resulting in version 6.1.10 */
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/* */
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/**************************************************************************/
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#ifndef TX_PORT_H
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#define TX_PORT_H
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/* Remove volatile for ThreadX source on the ARC. This is because the ARC
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compiler generates different non-cache r/w access when using volatile
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that is different from the assembly language access of the same
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global variables in ThreadX. */
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#ifdef TX_SOURCE_CODE
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#define volatile
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#else
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#ifdef NX_SOURCE_CODE
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#define volatile
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#else
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#ifdef FX_SOURCE_CODE
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#define volatile
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#else
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#ifdef UX_SOURCE_CODE
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#define volatile
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#endif
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#endif
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#endif
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#endif
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/* Determine if the optional ThreadX user define file should be used. */
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#ifdef TX_INCLUDE_USER_DEFINE_FILE
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/* Yes, include the user defines in tx_user.h. The defines in this file may
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alternately be defined on the command line. */
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#include "tx_user.h"
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#endif
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/* Define compiler library include files. */
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#include <stdlib.h>
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#include <string.h>
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/* Define ThreadX basic types for this port. */
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#define VOID void
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typedef char CHAR;
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typedef unsigned char UCHAR;
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typedef int INT;
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typedef unsigned int UINT;
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typedef long LONG;
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typedef unsigned long ULONG;
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typedef short SHORT;
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typedef unsigned short USHORT;
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/* Define the priority levels for ThreadX. Legal values range
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from 32 to 1024 and MUST be evenly divisible by 32. */
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#ifndef TX_MAX_PRIORITIES
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#define TX_MAX_PRIORITIES 32
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#endif
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/* Define the minimum stack for a ThreadX thread on this processor. If the size supplied during
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thread creation is less than this value, the thread create call will return an error. */
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#ifndef TX_MINIMUM_STACK
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#define TX_MINIMUM_STACK 800 /* Minimum stack size for this port */
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#endif
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/* Define the system timer thread's default stack size and priority. These are only applicable
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if TX_TIMER_PROCESS_IN_ISR is not defined. */
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#ifndef TX_TIMER_THREAD_STACK_SIZE
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#define TX_TIMER_THREAD_STACK_SIZE 2048 /* Default timer thread stack size */
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#endif
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#ifndef TX_TIMER_THREAD_PRIORITY
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#define TX_TIMER_THREAD_PRIORITY 0 /* Default timer thread priority */
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#endif
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/* Define various constants for the ThreadX ARCv2 EM port. */
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#define TX_INT_ENABLE 0x0000001F /* Enable all interrupts */
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#define TX_INT_DISABLE_MASK 0x00000000 /* Disable all interrupts */
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/* Define the clock source for trace event entry time stamp. The following two item are port specific.
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For example, if the time source is at the address 0x0a800024 and is 16-bits in size, the clock
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source constants would be:
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#define TX_TRACE_TIME_SOURCE *((ULONG *) 0x0a800024)
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#define TX_TRACE_TIME_MASK 0x0000FFFFUL
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*/
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#ifndef TX_MISRA_ENABLE
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#ifndef TX_TRACE_TIME_SOURCE
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#define TX_TRACE_TIME_SOURCE ++_tx_trace_simulated_time
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#endif
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#else
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ULONG _tx_misra_time_stamp_get(VOID);
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#define TX_TRACE_TIME_SOURCE _tx_misra_time_stamp_get()
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#endif
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#ifndef TX_TRACE_TIME_MASK
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#define TX_TRACE_TIME_MASK 0xFFFFFFFFUL
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#endif
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/* Define the port specific options for the _tx_build_options variable. This variable indicates
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how the ThreadX library was built. */
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#define TX_PORT_SPECIFIC_BUILD_OPTIONS (0)
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/* Define the in-line initialization constant so that modules with in-line
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initialization capabilities can prevent their initialization from being
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a function call. */
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#ifdef TX_MISRA_ENABLE
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#define TX_DISABLE_INLINE
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#else
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#define TX_INLINE_INITIALIZATION
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#endif
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/* Define the ARC-specific initialization code that is expanded in the generic source. */
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void _tx_initialize_start_interrupts(void);
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#define TX_PORT_SPECIFIC_PRE_SCHEDULER_INITIALIZATION _tx_initialize_start_interrupts();
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/* Determine whether or not stack checking is enabled. By default, ThreadX stack checking is
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disabled. When the following is defined, ThreadX thread stack checking is enabled. If stack
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checking is enabled (TX_ENABLE_STACK_CHECKING is defined), the TX_DISABLE_STACK_FILLING
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define is negated, thereby forcing the stack fill which is necessary for the stack checking
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logic. */
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#ifndef TX_MISRA_ENABLE
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#ifdef TX_ENABLE_STACK_CHECKING
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#undef TX_DISABLE_STACK_FILLING
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#endif
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#endif
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/* Define the TX_THREAD control block extensions for this port. The main reason
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for the multiple macros is so that backward compatibility can be maintained with
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existing ThreadX kernel awareness modules. */
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#define TX_THREAD_EXTENSION_0 VOID *__mw_threadx_tls; \
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int __mw_errnum; \
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VOID (*__mw_thread_exit)(struct TX_THREAD_STRUCT *);
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#define TX_THREAD_EXTENSION_1
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#define TX_THREAD_EXTENSION_2
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#define TX_THREAD_EXTENSION_3
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/* Define the port extensions of the remaining ThreadX objects. */
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#define TX_BLOCK_POOL_EXTENSION
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#define TX_BYTE_POOL_EXTENSION
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#define TX_EVENT_FLAGS_GROUP_EXTENSION
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#define TX_MUTEX_EXTENSION
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#define TX_QUEUE_EXTENSION
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#define TX_SEMAPHORE_EXTENSION
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#define TX_TIMER_EXTENSION
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/* Define the user extension field of the thread control block. Nothing
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additional is needed for this port so it is defined as white space. */
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#ifndef TX_THREAD_USER_EXTENSION
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#define TX_THREAD_USER_EXTENSION
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#endif
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/* Define the macros for processing extensions in tx_thread_create, tx_thread_delete,
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tx_thread_shell_entry, and tx_thread_terminate. */
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#if __HIGHC__
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/* The MetaWare thread safe C/C++ runtime library needs space to
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store thread specific information. In addition, a function pointer
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is also supplied so that certain thread-specific resources may be
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released upon thread termination and/or thread completion. */
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#define TX_THREAD_CREATE_EXTENSION(thread_ptr) \
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thread_ptr -> __mw_threadx_tls = 0; \
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thread_ptr -> __mw_errnum = 0; \
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thread_ptr -> __mw_thread_exit = TX_NULL;
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#define TX_THREAD_DELETE_EXTENSION(thread_ptr)
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#define TX_THREAD_COMPLETED_EXTENSION(thread_ptr) \
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if (thread_ptr -> __mw_thread_exit) \
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(thread_ptr -> __mw_thread_exit) (thread_ptr);
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#define TX_THREAD_TERMINATED_EXTENSION(thread_ptr) \
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if (thread_ptr -> __mw_thread_exit) \
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(thread_ptr -> __mw_thread_exit) (thread_ptr);
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#else
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#define TX_THREAD_CREATE_EXTENSION(thread_ptr)
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#define TX_THREAD_DELETE_EXTENSION(thread_ptr)
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#define TX_THREAD_COMPLETED_EXTENSION(thread_ptr)
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#define TX_THREAD_TERMINATED_EXTENSION(thread_ptr)
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#endif
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/* Define the ThreadX object creation extensions for the remaining objects. */
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#define TX_BLOCK_POOL_CREATE_EXTENSION(pool_ptr)
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#define TX_BYTE_POOL_CREATE_EXTENSION(pool_ptr)
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#define TX_EVENT_FLAGS_GROUP_CREATE_EXTENSION(group_ptr)
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#define TX_MUTEX_CREATE_EXTENSION(mutex_ptr)
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#define TX_QUEUE_CREATE_EXTENSION(queue_ptr)
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#define TX_SEMAPHORE_CREATE_EXTENSION(semaphore_ptr)
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#define TX_TIMER_CREATE_EXTENSION(timer_ptr)
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/* Define the ThreadX object deletion extensions for the remaining objects. */
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#define TX_BLOCK_POOL_DELETE_EXTENSION(pool_ptr)
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#define TX_BYTE_POOL_DELETE_EXTENSION(pool_ptr)
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#define TX_EVENT_FLAGS_GROUP_DELETE_EXTENSION(group_ptr)
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#define TX_MUTEX_DELETE_EXTENSION(mutex_ptr)
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#define TX_QUEUE_DELETE_EXTENSION(queue_ptr)
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#define TX_SEMAPHORE_DELETE_EXTENSION(semaphore_ptr)
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#define TX_TIMER_DELETE_EXTENSION(timer_ptr)
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/* Define ThreadX interrupt lockout and restore macros for protection on
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access of critical kernel information. The restore interrupt macro must
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restore the interrupt posture of the running thread prior to the value
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present prior to the disable macro. In most cases, the save area macro
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is used to define a local function save area for the disable and restore
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macros. */
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#define TX_INTERRUPT_SAVE_AREA register UINT interrupt_save;
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#define TX_DISABLE interrupt_save = _clri();
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#define TX_RESTORE _seti(interrupt_save);
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/* Define the interrupt lockout macros for each ThreadX object. */
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#define TX_BLOCK_POOL_DISABLE TX_DISABLE
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#define TX_BYTE_POOL_DISABLE TX_DISABLE
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#define TX_EVENT_FLAGS_GROUP_DISABLE TX_DISABLE
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#define TX_MUTEX_DISABLE TX_DISABLE
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#define TX_QUEUE_DISABLE TX_DISABLE
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#define TX_SEMAPHORE_DISABLE TX_DISABLE
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/* Define the version ID of ThreadX. This may be utilized by the application. */
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#ifdef TX_THREAD_INIT
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CHAR _tx_version_id[] =
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"Copyright (c) 2024 Microsoft Corporation. * ThreadX ARCv2_EM/MetaWare Version 6.4.1 *";
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#else
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#ifdef TX_MISRA_ENABLE
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extern CHAR _tx_version_id[100];
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#else
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extern CHAR _tx_version_id[];
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#endif
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#endif
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#endif
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