mirror of
				https://github.com/espressif/esp-idf.git
				synced 2025-10-30 20:51:41 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			136 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
 | |
| //
 | |
| // 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 <string.h>
 | |
| #include "FreeRTOS.h"
 | |
| #include "task.h"
 | |
| #include "portmacro.h"
 | |
| #include "esp_system.h"
 | |
| #include "esp_heap_caps_init.h"
 | |
| #include "esp_int_wdt.h"
 | |
| #include "esp_task_wdt.h"
 | |
| #include "esp_task.h"
 | |
| #include "esp_private/crosscore_int.h"
 | |
| #include "esp_private/startup_internal.h"
 | |
| #include "esp_log.h"
 | |
| #include "soc/dport_access.h"
 | |
| #include "sdkconfig.h"
 | |
| 
 | |
| #if CONFIG_IDF_TARGET_ESP32
 | |
| #include "esp32/spiram.h"
 | |
| #elif CONFIG_IDF_TARGET_ESP32S2
 | |
| #include "esp32s2/spiram.h"
 | |
| #elif CONFIG_IDF_TARGET_ESP32S3
 | |
| #include "esp32s3/spiram.h"
 | |
| #elif CONFIG_IDF_TARGET_ESP32C3
 | |
| // SPIRAM is not supported on ESP32-C3
 | |
| #endif
 | |
| 
 | |
| #if CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL
 | |
| static const char* TAG = "cpu_start";
 | |
| #endif
 | |
| 
 | |
| /* Architecture-agnostic parts of the FreeRTOS ESP-IDF port layer can go here.
 | |
|  *
 | |
|  * The actual call flow will be to call esp_startup_start_app() in <ARCH>/port.c,
 | |
|  * which will then call esp_startup_start_app_common()
 | |
|  */
 | |
| 
 | |
| // Duplicate of inaccessible xSchedulerRunning; needed at startup to avoid counting nesting
 | |
| volatile unsigned port_xSchedulerRunning[portNUM_PROCESSORS] = {0};
 | |
| 
 | |
| // For now, running FreeRTOS on one core and a bare metal on the other (or other OSes)
 | |
| // is not supported. For now CONFIG_FREERTOS_UNICORE and CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE
 | |
| // should mirror each other's values.
 | |
| //
 | |
| // And since this should be true, we can just check for CONFIG_FREERTOS_UNICORE.
 | |
| #if CONFIG_FREERTOS_UNICORE != CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE
 | |
| 	#error "FreeRTOS and system configuration mismatch regarding the use of multiple cores."
 | |
| #endif
 | |
| 
 | |
| static void main_task(void* args);
 | |
| 
 | |
| extern void app_main(void);
 | |
| 
 | |
| void esp_startup_start_app_common(void)
 | |
| {
 | |
| #if CONFIG_ESP_INT_WDT
 | |
| 	esp_int_wdt_init();
 | |
| 	//Initialize the interrupt watch dog for CPU0.
 | |
| 	esp_int_wdt_cpu_init();
 | |
| #endif
 | |
| 
 | |
| 	esp_crosscore_int_init();
 | |
| 
 | |
| #ifndef CONFIG_FREERTOS_UNICORE
 | |
| #if CONFIG_IDF_TARGET_ESP32
 | |
| 	esp_dport_access_int_init();
 | |
| #endif
 | |
| #endif
 | |
| 
 | |
| 	portBASE_TYPE res = xTaskCreatePinnedToCore(&main_task, "main",
 | |
| 												ESP_TASK_MAIN_STACK, NULL,
 | |
| 												ESP_TASK_MAIN_PRIO, NULL, 0);
 | |
| 	assert(res == pdTRUE);
 | |
| }
 | |
| 
 | |
| static void main_task(void* args)
 | |
| {
 | |
| #if !CONFIG_FREERTOS_UNICORE
 | |
| 	// Wait for FreeRTOS initialization to finish on APP CPU, before replacing its startup stack
 | |
| 	while (port_xSchedulerRunning[1] == 0) {
 | |
| 		;
 | |
| 	}
 | |
| #endif
 | |
| 
 | |
| 	// [refactor-todo] check if there is a way to move the following block to esp_system startup
 | |
| 	heap_caps_enable_nonos_stack_heaps();
 | |
| 
 | |
| 	// Now we have startup stack RAM available for heap, enable any DMA pool memory
 | |
| #if CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL
 | |
| 	if (g_spiram_ok) {
 | |
| 		esp_err_t r = esp_spiram_reserve_dma_pool(CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL);
 | |
| 		if (r != ESP_OK) {
 | |
| 			ESP_EARLY_LOGE(TAG, "Could not reserve internal/DMA pool (error 0x%x)", r);
 | |
| 			abort();
 | |
| 		}
 | |
| 	}
 | |
| #endif
 | |
| 
 | |
| 	//Initialize task wdt if configured to do so
 | |
| #ifdef CONFIG_ESP_TASK_WDT_PANIC
 | |
| 	ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, true));
 | |
| #elif CONFIG_ESP_TASK_WDT
 | |
| 	ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, false));
 | |
| #endif
 | |
| 
 | |
| 	//Add IDLE 0 to task wdt
 | |
| #ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
 | |
| 	TaskHandle_t idle_0 = xTaskGetIdleTaskHandleForCPU(0);
 | |
| 	if(idle_0 != NULL){
 | |
| 		ESP_ERROR_CHECK(esp_task_wdt_add(idle_0));
 | |
| 	}
 | |
| #endif
 | |
| 	//Add IDLE 1 to task wdt
 | |
| #ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
 | |
| 	TaskHandle_t idle_1 = xTaskGetIdleTaskHandleForCPU(1);
 | |
| 	if(idle_1 != NULL){
 | |
| 		ESP_ERROR_CHECK(esp_task_wdt_add(idle_1));
 | |
| 	}
 | |
| #endif
 | |
| 
 | |
| 	app_main();
 | |
| 	vTaskDelete(NULL);
 | |
| }
 | 
