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			136 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include "FreeRTOS.h"
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#include "task.h"
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#include "portmacro.h"
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#include "esp_system.h"
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#include "esp_heap_caps_init.h"
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#include "esp_int_wdt.h"
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#include "esp_task_wdt.h"
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#include "esp_task.h"
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#include "esp_private/crosscore_int.h"
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#include "esp_private/startup_internal.h"
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#include "esp_log.h"
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#include "soc/dport_access.h"
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#include "sdkconfig.h"
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#if CONFIG_IDF_TARGET_ESP32
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#include "esp32/spiram.h"
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/spiram.h"
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#elif CONFIG_IDF_TARGET_ESP32S3
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#include "esp32s3/spiram.h"
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#elif CONFIG_IDF_TARGET_ESP32C3
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// SPIRAM is not supported on ESP32-C3
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#endif
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#if CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL
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static const char* TAG = "cpu_start";
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#endif
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/* Architecture-agnostic parts of the FreeRTOS ESP-IDF port layer can go here.
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 *
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 * The actual call flow will be to call esp_startup_start_app() in <ARCH>/port.c,
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 * which will then call esp_startup_start_app_common()
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 */
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// Duplicate of inaccessible xSchedulerRunning; needed at startup to avoid counting nesting
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volatile unsigned port_xSchedulerRunning[portNUM_PROCESSORS] = {0};
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// For now, running FreeRTOS on one core and a bare metal on the other (or other OSes)
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// is not supported. For now CONFIG_FREERTOS_UNICORE and CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE
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// should mirror each other's values.
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//
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// And since this should be true, we can just check for CONFIG_FREERTOS_UNICORE.
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#if CONFIG_FREERTOS_UNICORE != CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE
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	#error "FreeRTOS and system configuration mismatch regarding the use of multiple cores."
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#endif
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static void main_task(void* args);
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extern void app_main(void);
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void esp_startup_start_app_common(void)
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{
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#if CONFIG_ESP_INT_WDT
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	esp_int_wdt_init();
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	//Initialize the interrupt watch dog for CPU0.
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	esp_int_wdt_cpu_init();
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#endif
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	esp_crosscore_int_init();
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#ifndef CONFIG_FREERTOS_UNICORE
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#if CONFIG_IDF_TARGET_ESP32
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	esp_dport_access_int_init();
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#endif
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#endif
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	portBASE_TYPE res = xTaskCreatePinnedToCore(&main_task, "main",
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												ESP_TASK_MAIN_STACK, NULL,
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												ESP_TASK_MAIN_PRIO, NULL, 0);
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	assert(res == pdTRUE);
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}
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static void main_task(void* args)
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{
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#if !CONFIG_FREERTOS_UNICORE
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	// Wait for FreeRTOS initialization to finish on APP CPU, before replacing its startup stack
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	while (port_xSchedulerRunning[1] == 0) {
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		;
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	}
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#endif
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	// [refactor-todo] check if there is a way to move the following block to esp_system startup
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	heap_caps_enable_nonos_stack_heaps();
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	// Now we have startup stack RAM available for heap, enable any DMA pool memory
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#if CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL
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	if (g_spiram_ok) {
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		esp_err_t r = esp_spiram_reserve_dma_pool(CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL);
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		if (r != ESP_OK) {
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			ESP_EARLY_LOGE(TAG, "Could not reserve internal/DMA pool (error 0x%x)", r);
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			abort();
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		}
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	}
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#endif
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	//Initialize task wdt if configured to do so
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#ifdef CONFIG_ESP_TASK_WDT_PANIC
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	ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, true));
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#elif CONFIG_ESP_TASK_WDT
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	ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, false));
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#endif
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	//Add IDLE 0 to task wdt
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#ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
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	TaskHandle_t idle_0 = xTaskGetIdleTaskHandleForCPU(0);
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	if(idle_0 != NULL){
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		ESP_ERROR_CHECK(esp_task_wdt_add(idle_0));
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	}
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#endif
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	//Add IDLE 1 to task wdt
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#ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
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	TaskHandle_t idle_1 = xTaskGetIdleTaskHandleForCPU(1);
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	if(idle_1 != NULL){
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		ESP_ERROR_CHECK(esp_task_wdt_add(idle_1));
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	}
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#endif
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	app_main();
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	vTaskDelete(NULL);
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}
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