mirror of
https://github.com/azure-rtos/threadx
synced 2025-02-06 08:08:27 +08:00
582 lines
27 KiB
C
582 lines
27 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 Linux/GNU */
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/* 6.3.0 */
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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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/* 10-15-2021 William E. Lamie Modified comment(s), added */
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/* symbol ULONG64_DEFINED, */
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/* resulting in version 6.1.9 */
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/* 04-25-2022 William E. Lamie Modified comment(s), removed */
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/* useless definition, */
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/* resulting in version 6.1.11 */
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/* 10-31-2023 Yanwu Cai Modified comment(s), fixed */
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/* compile warnings, */
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/* resulting in version 6.3.0 */
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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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#define TX_MAX_PRIORITIES 32
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/* #define TX_MISRA_ENABLE */
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/* #define TX_INLINE_INITIALIZATION */
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/* #define TX_NOT_INTERRUPTABLE */
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/* #define TX_TIMER_PROCESS_IN_ISR */
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/* #define TX_REACTIVATE_INLINE */
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/* #define TX_DISABLE_STACK_FILLING */
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/* #define TX_ENABLE_STACK_CHECKING */
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/* #define TX_DISABLE_PREEMPTION_THRESHOLD */
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/* #define TX_DISABLE_REDUNDANT_CLEARING */
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/* #define TX_DISABLE_NOTIFY_CALLBACKS */
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/* #define TX_INLINE_THREAD_RESUME_SUSPEND */
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/* #define TX_ENABLE_EVENT_TRACE */
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/* For MISRA, define enable performance info. Also, for MISRA TX_DISABLE_NOTIFY_CALLBACKS should not be defined. */
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/* #define TX_BLOCK_POOL_ENABLE_PERFORMANCE_INFO
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#define TX_BYTE_POOL_ENABLE_PERFORMANCE_INFO
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#define TX_EVENT_FLAGS_ENABLE_PERFORMANCE_INFO
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#define TX_MUTEX_ENABLE_PERFORMANCE_INFO
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#define TX_QUEUE_ENABLE_PERFORMANCE_INFO
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#define TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
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#define TX_THREAD_ENABLE_PERFORMANCE_INFO
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#define TX_TIMER_ENABLE_PERFORMANCE_INFO */
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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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#include <stdint.h>
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#ifndef __USE_POSIX199309
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#define __USE_POSIX199309
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#include <pthread.h>
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#include <semaphore.h>
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#include <time.h>
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#undef __USE_POSIX199309
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#else /* __USE_POSIX199309 */
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#include <pthread.h>
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#include <semaphore.h>
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#include <time.h>
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#endif /* __USE_POSIX199309 */
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/* Define ThreadX basic types for this port. */
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typedef 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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#if defined(__x86_64__) && __x86_64__
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typedef int LONG;
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typedef unsigned int ULONG;
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#else /* __x86_64__ */
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typedef long LONG;
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typedef unsigned long ULONG;
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#endif /* __x86_64__ */
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typedef short SHORT;
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typedef unsigned short USHORT;
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typedef uint64_t ULONG64;
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#define ULONG64_DEFINED
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/* Override the alignment type to use 64-bit alignment and storage for pointers. */
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#if defined(__x86_64__) && __x86_64__
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#define ALIGN_TYPE_DEFINED
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typedef unsigned long long ALIGN_TYPE;
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/* Override the free block marker for byte pools to be a 64-bit constant. */
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#define TX_BYTE_BLOCK_FREE ((ALIGN_TYPE) 0xFFFFEEEEFFFFEEEE)
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#endif
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/* Define automated coverage test extensions... These are required for the
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ThreadX regression test. */
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typedef unsigned int TEST_FLAG;
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extern TEST_FLAG threadx_byte_allocate_loop_test;
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extern TEST_FLAG threadx_byte_release_loop_test;
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extern TEST_FLAG threadx_mutex_suspension_put_test;
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extern TEST_FLAG threadx_mutex_suspension_priority_test;
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#ifndef TX_TIMER_PROCESS_IN_ISR
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extern TEST_FLAG threadx_delete_timer_thread;
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#endif
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extern void abort_and_resume_byte_allocating_thread(void);
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extern void abort_all_threads_suspended_on_mutex(void);
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extern void suspend_lowest_priority(void);
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#ifndef TX_TIMER_PROCESS_IN_ISR
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extern void delete_timer_thread(void);
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#endif
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extern TEST_FLAG test_stack_analyze_flag;
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extern TEST_FLAG test_initialize_flag;
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extern TEST_FLAG test_forced_mutex_timeout;
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#ifdef TX_REGRESSION_TEST
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/* Define extension macros for automated coverage tests. */
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#define TX_BYTE_ALLOCATE_EXTENSION if (threadx_byte_allocate_loop_test == ((TEST_FLAG) 1)) \
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{ \
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pool_ptr -> tx_byte_pool_owner = TX_NULL; \
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threadx_byte_allocate_loop_test = ((TEST_FLAG) 0); \
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}
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#define TX_BYTE_RELEASE_EXTENSION if (threadx_byte_release_loop_test == ((TEST_FLAG) 1)) \
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{ \
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threadx_byte_release_loop_test = ((TEST_FLAG) 0); \
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abort_and_resume_byte_allocating_thread(); \
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}
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#define TX_MUTEX_PUT_EXTENSION_1 if (threadx_mutex_suspension_put_test == ((TEST_FLAG) 1)) \
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{ \
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threadx_mutex_suspension_put_test = ((TEST_FLAG) 0); \
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abort_all_threads_suspended_on_mutex(); \
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}
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#define TX_MUTEX_PUT_EXTENSION_2 if (test_forced_mutex_timeout == ((TEST_FLAG) 1)) \
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{ \
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test_forced_mutex_timeout = ((TEST_FLAG) 0); \
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_tx_thread_wait_abort(mutex_ptr -> tx_mutex_suspension_list); \
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}
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#define TX_MUTEX_PRIORITY_CHANGE_EXTENSION if (threadx_mutex_suspension_priority_test == ((TEST_FLAG) 1)) \
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{ \
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threadx_mutex_suspension_priority_test = ((TEST_FLAG) 0); \
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suspend_lowest_priority(); \
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}
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#ifndef TX_TIMER_PROCESS_IN_ISR
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#define TX_TIMER_INITIALIZE_EXTENSION(a) if (threadx_delete_timer_thread == ((TEST_FLAG) 1)) \
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{ \
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threadx_delete_timer_thread = ((TEST_FLAG) 0); \
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delete_timer_thread(); \
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(a) = ((UINT) 1); \
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}
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#endif
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#define TX_THREAD_STACK_ANALYZE_EXTENSION if (test_stack_analyze_flag == ((TEST_FLAG) 1)) \
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{ \
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thread_ptr -> tx_thread_id = ((TEST_FLAG) 0); \
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test_stack_analyze_flag = ((TEST_FLAG) 0); \
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} \
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else if (test_stack_analyze_flag == ((TEST_FLAG) 2)) \
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{ \
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stack_ptr = thread_ptr -> tx_thread_stack_start; \
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test_stack_analyze_flag = ((TEST_FLAG) 0); \
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} \
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else if (test_stack_analyze_flag == ((TEST_FLAG) 3)) \
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{ \
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*stack_ptr = TX_STACK_FILL; \
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test_stack_analyze_flag = ((TEST_FLAG) 0); \
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} \
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else \
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{ \
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test_stack_analyze_flag = ((TEST_FLAG) 0); \
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}
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#define TX_INITIALIZE_KERNEL_ENTER_EXTENSION if (test_initialize_flag == ((TEST_FLAG) 1)) \
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{ \
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test_initialize_flag = ((TEST_FLAG) 0); \
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return; \
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}
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#endif
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/* Add Linux debug insert prototype. */
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void _tx_linux_debug_entry_insert(char *action, char *file, unsigned long line);
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#ifndef TX_LINUX_DEBUG_ENABLE
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/* If Linux debug is not enabled, turn logging into white-space. */
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#define _tx_linux_debug_entry_insert(a, b, c)
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#endif
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/* Define the TX_MEMSET macro to remove library reference. */
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#ifndef TX_MISRA_ENABLE
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#define TX_MEMSET(a,b,c) { \
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UCHAR *ptr; \
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UCHAR value; \
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UINT i, size; \
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ptr = (UCHAR *) ((VOID *) a); \
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value = (UCHAR) b; \
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size = (UINT) c; \
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for (i = 0; i < size; i++) \
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{ \
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*ptr++ = value; \
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} \
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}
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#endif
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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 200 /* 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 400 /* Default timer thread stack size - Not used in Linux port! */
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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 port. */
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#define TX_INT_DISABLE 1 /* Disable interrupts */
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#define TX_INT_ENABLE 0 /* Enable 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 ((ULONG) (_tx_linux_time_stamp.tv_nsec));
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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 trace extension to pickup the Windows timer. */
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#define TX_TRACE_PORT_EXTENSION clock_gettime(CLOCK_REALTIME, &_tx_linux_time_stamp);
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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 Linux-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 pthread_t tx_thread_linux_thread_id; \
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sem_t tx_thread_linux_thread_run_semaphore; \
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UINT tx_thread_linux_suspension_type; \
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UINT tx_thread_linux_int_disabled_flag;
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#define TX_THREAD_EXTENSION_1 VOID *tx_thread_extension_ptr;
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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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#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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/* 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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struct TX_THREAD_STRUCT;
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/* Define post completion processing for tx_thread_delete, so that the Linux thread resources are properly removed. */
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void _tx_thread_delete_port_completion(struct TX_THREAD_STRUCT *thread_ptr, UINT tx_saved_posture);
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#define TX_THREAD_DELETE_PORT_COMPLETION(thread_ptr) _tx_thread_delete_port_completion(thread_ptr, tx_saved_posture);
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/* Define post completion processing for tx_thread_reset, so that the Linux thread resources are properly removed. */
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void _tx_thread_reset_port_completion(struct TX_THREAD_STRUCT *thread_ptr, UINT tx_saved_posture);
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#define TX_THREAD_RESET_PORT_COMPLETION(thread_ptr) _tx_thread_reset_port_completion(thread_ptr, tx_saved_posture);
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#if defined(__x86_64__) && __x86_64__
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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 the internal timer extension to also hold the thread pointer such that _tx_thread_timeout
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can figure out what thread timeout to process. */
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#define TX_TIMER_INTERNAL_EXTENSION VOID *tx_timer_internal_extension_ptr;
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/* Define the thread timeout setup logic in _tx_thread_create. */
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#define TX_THREAD_CREATE_TIMEOUT_SETUP(t) (t) -> tx_thread_timer.tx_timer_internal_timeout_function = &(_tx_thread_timeout); \
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(t) -> tx_thread_timer.tx_timer_internal_timeout_param = 0; \
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(t) -> tx_thread_timer.tx_timer_internal_extension_ptr = (VOID *) (t);
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/* Define the thread timeout pointer setup in _tx_thread_timeout. */
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#define TX_THREAD_TIMEOUT_POINTER_SETUP(t) (t) = (TX_THREAD *) _tx_timer_expired_timer_ptr -> tx_timer_internal_extension_ptr;
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#endif /* __x86_64__ */
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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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UINT _tx_thread_interrupt_disable(void);
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VOID _tx_thread_interrupt_restore(UINT previous_posture);
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#define TX_INTERRUPT_SAVE_AREA UINT tx_saved_posture;
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#ifndef TX_LINUX_DEBUG_ENABLE
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#define TX_DISABLE tx_saved_posture = _tx_thread_interrupt_disable();
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#define TX_RESTORE _tx_thread_interrupt_restore(tx_saved_posture);
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#else
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#define TX_DISABLE _tx_linux_debug_entry_insert("DISABLE", __FILE__, __LINE__); \
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tx_saved_posture = _tx_thread_interrupt_disable();
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#define TX_RESTORE _tx_linux_debug_entry_insert("RESTORE", __FILE__, __LINE__); \
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_tx_thread_interrupt_restore(tx_saved_posture);
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#endif /* TX_LINUX_DEBUG_ENABLE */
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#define tx_linux_mutex_lock(p) pthread_mutex_lock(&p)
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#define tx_linux_mutex_unlock(p) pthread_mutex_unlock(&p)
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#define tx_linux_mutex_recursive_unlock(p) {\
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int _recursive_count = (int)tx_linux_mutex_recursive_count;\
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while(_recursive_count)\
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{\
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pthread_mutex_unlock(&p);\
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_recursive_count--;\
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}\
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}
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#define tx_linux_mutex_recursive_count _tx_linux_mutex.__data.__count
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#define tx_linux_sem_post(p) tx_linux_mutex_lock(_tx_linux_mutex);\
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sem_post(p);\
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tx_linux_mutex_unlock(_tx_linux_mutex)
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#define tx_linux_sem_post_nolock(p) sem_post(p)
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#define tx_linux_sem_wait(p) sem_wait(p)
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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) Microsoft Corporation * ThreadX Linux/gcc Version 6.4.0 *";
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#else
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extern CHAR _tx_version_id[];
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#endif
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/* Define externals for the Linux port of ThreadX. */
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extern pthread_mutex_t _tx_linux_mutex;
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extern sem_t _tx_linux_semaphore;
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extern sem_t _tx_linux_semaphore_no_idle;
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extern ULONG _tx_linux_global_int_disabled_flag;
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extern struct timespec _tx_linux_time_stamp;
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extern __thread int _tx_linux_threadx_thread;
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/* Define functions for linux thread. */
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void _tx_linux_thread_suspend(pthread_t thread_id);
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void _tx_linux_thread_resume(pthread_t thread_id);
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void _tx_linux_thread_init(void);
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#ifndef TX_LINUX_MEMORY_SIZE
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#define TX_LINUX_MEMORY_SIZE 64000
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#endif
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/* Define priorities of pthreads. */
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#define TX_LINUX_PRIORITY_SCHEDULE (3)
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#define TX_LINUX_PRIORITY_ISR (2)
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#define TX_LINUX_PRIORITY_USER_THREAD (1)
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#endif
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