kopia lustrzana https://github.com/espressif/esp-idf
esp32: Core dump API to retrieve current core data layout in flash
rodzic
a55cc99f50
commit
30e766ee6b
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@ -24,6 +24,7 @@
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#include "esp_panic.h"
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#include "esp_partition.h"
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#include "esp_clk.h"
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#include "esp_core_dump.h"
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#include "esp_log.h"
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const static DRAM_ATTR char TAG[] __attribute__((unused)) = "esp_core_dump";
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@ -574,5 +575,57 @@ void esp_core_dump_init()
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#endif
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}
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#endif
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esp_err_t esp_core_dump_image_get(size_t* out_addr, size_t *out_size)
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{
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esp_err_t err;
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const void *core_data;
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spi_flash_mmap_handle_t core_data_handle;
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if (out_addr == NULL || out_size == NULL) {
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return ESP_ERR_INVALID_ARG;
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}
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const esp_partition_t *core_part = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_COREDUMP, NULL);
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if (!core_part) {
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ESP_LOGE(TAG, "No core dump partition found!");
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return ESP_FAIL;
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}
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if (core_part->size < sizeof(uint32_t)) {
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ESP_LOGE(TAG, "Too small core dump partition!");
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return ESP_FAIL;
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}
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err = esp_partition_mmap(core_part, 0, sizeof(uint32_t),
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SPI_FLASH_MMAP_DATA, &core_data, &core_data_handle);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Failed to mmap core dump data (%d)!", err);
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return err;
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}
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uint32_t *dw = (uint32_t *)core_data;
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*out_size = *dw;
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spi_flash_munmap(core_data_handle);
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// remap full core dump with CRC
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err = esp_partition_mmap(core_part, 0, *out_size,
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SPI_FLASH_MMAP_DATA, &core_data, &core_data_handle);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Failed to mmap core dump data (%d)!", err);
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return err;
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}
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uint32_t *crc = (uint32_t *)(((uint8_t *)core_data) + *out_size);
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crc--; // Point to CRC field
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// Calc CRC over core dump data except for CRC field
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core_dump_crc_t cur_crc = crc32_le(0, (uint8_t const *)core_data, *out_size - sizeof(core_dump_crc_t));
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if (*crc != cur_crc) {
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ESP_LOGE(TAG, "Core dump data CRC check failed: 0x%x -> 0x%x!", *crc, cur_crc);
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spi_flash_munmap(core_data_handle);
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return ESP_FAIL;
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}
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spi_flash_munmap(core_data_handle);
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*out_addr = core_part->address;
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return ESP_OK;
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}
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#endif
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@ -382,6 +382,11 @@ void start_cpu0_default(void)
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#if CONFIG_ESP32_ENABLE_COREDUMP
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esp_core_dump_init();
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size_t core_data_sz = 0;
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size_t core_data_addr = 0;
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if (esp_core_dump_image_get(&core_data_addr, &core_data_sz) == ESP_OK && core_data_sz > 0) {
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ESP_LOGI(TAG, "Found core dump %d bytes in flash @ 0x%x", core_data_sz, core_data_addr);
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}
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#endif
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portBASE_TYPE res = xTaskCreatePinnedToCore(&main_task, "main",
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@ -14,6 +14,11 @@
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#ifndef ESP_CORE_DUMP_H_
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#define ESP_CORE_DUMP_H_
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/**************************************************************************************/
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/******************************** EXCEPTION MODE API **********************************/
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/**************************************************************************************/
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/**
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* @brief Initializes core dump module internal data.
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*
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@ -61,4 +66,20 @@ void esp_core_dump_to_flash();
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*/
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void esp_core_dump_to_uart();
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/**************************************************************************************/
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/*********************************** USER MODE API ************************************/
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/**************************************************************************************/
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/**
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* @brief Retrieves address and size of coredump data in flash.
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* This function is always available, even when core dump is disabled in menuconfig.
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*
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* @param out_addr pointer to store image address in flash.
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* @param out_size pointer to store image size in flash (including CRC). In bytes.
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*
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* @return ESP_OK on success, otherwise \see esp_err_t
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*/
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esp_err_t esp_core_dump_image_get(size_t* out_addr, size_t *out_size);
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#endif
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