mbed-os/rtos/TARGET_CORTEX/mbed_rtos_rtx.c

73 lines
2.6 KiB
C

/* mbed Microcontroller Library
* Copyright (c) 2018-2018 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "cmsis.h"
#include "mbed_rtx.h"
#include "mbed_rtos_storage.h"
#include "cmsis_os2.h"
#include "mbed_toolchain.h"
#include "mbed_error.h"
#include "mbed_critical.h"
#include "mbed_boot.h"
osThreadAttr_t _main_thread_attr;
/** The main thread's stack size can be configured by the application, if not explicitly specified it'll default to 4K */
#ifndef MBED_CONF_APP_MAIN_STACK_SIZE
#define MBED_CONF_APP_MAIN_STACK_SIZE 4096
#endif
MBED_ALIGN(8) char _main_stack[MBED_CONF_APP_MAIN_STACK_SIZE];
mbed_rtos_storage_thread_t _main_obj;
osMutexId_t singleton_mutex_id;
mbed_rtos_storage_mutex_t singleton_mutex_obj;
osMutexAttr_t singleton_mutex_attr;
void mbed_rtos_init()
{
osKernelInitialize();
}
MBED_NORETURN void mbed_rtos_start()
{
singleton_mutex_attr.name = "singleton_mutex";
singleton_mutex_attr.attr_bits = osMutexRecursive | osMutexPrioInherit | osMutexRobust;
singleton_mutex_attr.cb_size = sizeof(singleton_mutex_obj);
singleton_mutex_attr.cb_mem = &singleton_mutex_obj;
_main_thread_attr.stack_mem = _main_stack;
_main_thread_attr.stack_size = sizeof(_main_stack);
_main_thread_attr.cb_size = sizeof(_main_obj);
_main_thread_attr.cb_mem = &_main_obj;
_main_thread_attr.priority = osPriorityNormal;
_main_thread_attr.name = "main_thread";
/* Allow non-secure main thread to call secure functions */
#if defined(DOMAIN_NS) && (DOMAIN_NS == 1U)
_main_thread_attr.tz_module = 1U;
#endif
singleton_mutex_id = osMutexNew(&singleton_mutex_attr);
osThreadId_t result = osThreadNew((osThreadFunc_t)mbed_start, NULL, &_main_thread_attr);
if ((void *)result == NULL) {
MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_INITIALIZATION_FAILED), "Pre main thread not created", &_main_thread_attr);
}
osKernelStart();
MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_INITIALIZATION_FAILED), "Failed to start RTOS");
while (1); // Code should never get here
}