kopia lustrzana https://github.com/espressif/esp-idf
212 wiersze
8.0 KiB
C
212 wiersze
8.0 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include <esp_err.h>
|
|
#include "esp_flash_partitions.h"
|
|
#include "esp_app_format.h"
|
|
#include "esp_assert.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define ESP_ERR_IMAGE_BASE 0x2000
|
|
#define ESP_ERR_IMAGE_FLASH_FAIL (ESP_ERR_IMAGE_BASE + 1)
|
|
#define ESP_ERR_IMAGE_INVALID (ESP_ERR_IMAGE_BASE + 2)
|
|
|
|
/* Support for app/bootloader image parsing
|
|
Can be compiled as part of app or bootloader code.
|
|
*/
|
|
|
|
#define ESP_IMAGE_HASH_LEN 32 /* Length of the appended SHA-256 digest */
|
|
|
|
/* Structure to hold on-flash image metadata */
|
|
typedef struct {
|
|
uint32_t start_addr; /* Start address of image */
|
|
esp_image_header_t image; /* Header for entire image */
|
|
esp_image_segment_header_t segments[ESP_IMAGE_MAX_SEGMENTS]; /* Per-segment header data */
|
|
uint32_t segment_data[ESP_IMAGE_MAX_SEGMENTS]; /* Data offsets for each segment */
|
|
uint32_t image_len; /* Length of image on flash, in bytes */
|
|
uint8_t image_digest[32]; /* appended SHA-256 digest */
|
|
} esp_image_metadata_t;
|
|
|
|
typedef enum {
|
|
ESP_IMAGE_VERIFY, /* Verify image contents, not load to memory, load metadata. Print errors. */
|
|
ESP_IMAGE_VERIFY_SILENT, /* Verify image contents, not load to memory, load metadata. Don't print errors. */
|
|
#ifdef BOOTLOADER_BUILD
|
|
ESP_IMAGE_LOAD, /* Verify image contents, load to memory, load metadata. Print errors. */
|
|
ESP_IMAGE_LOAD_NO_VALIDATE, /* Not verify image contents, load to memory, load metadata. Print errors. */
|
|
#endif
|
|
} esp_image_load_mode_t;
|
|
|
|
typedef struct {
|
|
esp_partition_pos_t partition; /*!< Partition of application which worked before goes to the deep sleep. */
|
|
uint16_t reboot_counter; /*!< Reboot counter. Reset only when power is off. */
|
|
union {
|
|
struct {
|
|
uint8_t factory_reset_state : 1; /* True when Factory reset has occurred */
|
|
uint8_t reserve : 7; /* Reserve */
|
|
};
|
|
uint8_t val;
|
|
} flags;
|
|
uint8_t reserve; /*!< Reserve */
|
|
#ifdef CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
|
|
uint8_t custom[CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE]; /*!< Reserve for custom propose */
|
|
#endif
|
|
uint32_t crc; /*!< Check sum crc32 */
|
|
} rtc_retain_mem_t;
|
|
|
|
|
|
ESP_STATIC_ASSERT(offsetof(rtc_retain_mem_t, crc) == sizeof(rtc_retain_mem_t) - sizeof(uint32_t), "CRC field must be the last field of rtc_retain_mem_t structure");
|
|
|
|
#ifdef CONFIG_BOOTLOADER_RESERVE_RTC_MEM
|
|
|
|
#ifdef CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
|
|
ESP_STATIC_ASSERT(CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE % 4 == 0, "CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE must be a multiple of 4 bytes");
|
|
/* The custom field must be the penultimate field */
|
|
ESP_STATIC_ASSERT(offsetof(rtc_retain_mem_t, custom) == sizeof(rtc_retain_mem_t) - sizeof(uint32_t) - CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE,
|
|
"custom field in rtc_retain_mem_t structure must be the field before the CRC one");
|
|
#endif
|
|
|
|
ESP_STATIC_ASSERT(CONFIG_BOOTLOADER_RESERVE_RTC_SIZE % 4 == 0, "CONFIG_BOOTLOADER_RESERVE_RTC_SIZE must be a multiple of 4 bytes");
|
|
|
|
#ifdef CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
|
|
#define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE + CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE)
|
|
#else
|
|
#define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE)
|
|
#endif
|
|
|
|
ESP_STATIC_ASSERT(sizeof(rtc_retain_mem_t) <= ESP_BOOTLOADER_RESERVE_RTC, "Reserved RTC area must exceed size of rtc_retain_mem_t");
|
|
#endif // CONFIG_BOOTLOADER_RESERVE_RTC_MEM
|
|
|
|
/**
|
|
* @brief Verify an app image.
|
|
*
|
|
* If encryption is enabled, data will be transparently decrypted.
|
|
*
|
|
* @param mode Mode of operation (verify, silent verify, or load).
|
|
* @param part Partition to load the app from.
|
|
* @param[inout] data Pointer to the image metadata structure which is be filled in by this function.
|
|
* 'start_addr' member should be set (to the start address of the image.)
|
|
* Other fields will all be initialised by this function.
|
|
*
|
|
* Image validation checks:
|
|
* - Magic byte.
|
|
* - Partition smaller than 16MB.
|
|
* - All segments & image fit in partition.
|
|
* - 8 bit image checksum is valid.
|
|
* - SHA-256 of image is valid (if image has this appended).
|
|
* - (Signature) if signature verification is enabled.
|
|
*
|
|
* @return
|
|
* - ESP_OK if verify or load was successful
|
|
* - ESP_ERR_IMAGE_FLASH_FAIL if a SPI flash error occurs
|
|
* - ESP_ERR_IMAGE_INVALID if the image appears invalid.
|
|
* - ESP_ERR_INVALID_ARG if the partition or data pointers are invalid.
|
|
*/
|
|
esp_err_t esp_image_verify(esp_image_load_mode_t mode, const esp_partition_pos_t *part, esp_image_metadata_t *data);
|
|
|
|
/**
|
|
* @brief Get metadata of app
|
|
*
|
|
* If encryption is enabled, data will be transparently decrypted.
|
|
*
|
|
* @param part Partition to load the app from.
|
|
* @param[out] metadata Pointer to the image metadata structure which is be filled in by this function.
|
|
* Fields will all be initialised by this function.
|
|
*
|
|
* @return
|
|
* - ESP_OK if filling of metadata was successful
|
|
*/
|
|
esp_err_t esp_image_get_metadata(const esp_partition_pos_t *part, esp_image_metadata_t *metadata);
|
|
|
|
/**
|
|
* @brief Verify and load an app image (available only in space of bootloader).
|
|
*
|
|
* If encryption is enabled, data will be transparently decrypted.
|
|
*
|
|
* @param part Partition to load the app from.
|
|
* @param[inout] data Pointer to the image metadata structure which is be filled in by this function.
|
|
* 'start_addr' member should be set (to the start address of the image.)
|
|
* Other fields will all be initialised by this function.
|
|
*
|
|
* Image validation checks:
|
|
* - Magic byte.
|
|
* - Partition smaller than 16MB.
|
|
* - All segments & image fit in partition.
|
|
* - 8 bit image checksum is valid.
|
|
* - SHA-256 of image is valid (if image has this appended).
|
|
* - (Signature) if signature verification is enabled.
|
|
*
|
|
* @return
|
|
* - ESP_OK if verify or load was successful
|
|
* - ESP_ERR_IMAGE_FLASH_FAIL if a SPI flash error occurs
|
|
* - ESP_ERR_IMAGE_INVALID if the image appears invalid.
|
|
* - ESP_ERR_INVALID_ARG if the partition or data pointers are invalid.
|
|
*/
|
|
esp_err_t bootloader_load_image(const esp_partition_pos_t *part, esp_image_metadata_t *data);
|
|
|
|
/**
|
|
* @brief Load an app image without verification (available only in space of bootloader).
|
|
*
|
|
* If encryption is enabled, data will be transparently decrypted.
|
|
*
|
|
* @param part Partition to load the app from.
|
|
* @param[inout] data Pointer to the image metadata structure which is be filled in by this function.
|
|
* 'start_addr' member should be set (to the start address of the image.)
|
|
* Other fields will all be initialised by this function.
|
|
*
|
|
* @return
|
|
* - ESP_OK if verify or load was successful
|
|
* - ESP_ERR_IMAGE_FLASH_FAIL if a SPI flash error occurs
|
|
* - ESP_ERR_IMAGE_INVALID if the image appears invalid.
|
|
* - ESP_ERR_INVALID_ARG if the partition or data pointers are invalid.
|
|
*/
|
|
esp_err_t bootloader_load_image_no_verify(const esp_partition_pos_t *part, esp_image_metadata_t *data);
|
|
|
|
/**
|
|
* @brief Verify the bootloader image.
|
|
*
|
|
* @param[out] If result is ESP_OK and this pointer is non-NULL, it
|
|
* will be set to the length of the bootloader image.
|
|
*
|
|
* @return As per esp_image_load_metadata().
|
|
*/
|
|
esp_err_t esp_image_verify_bootloader(uint32_t *length);
|
|
|
|
/**
|
|
* @brief Verify the bootloader image.
|
|
*
|
|
* @param[out] Metadata for the image. Only valid if result is ESP_OK.
|
|
*
|
|
* @return As per esp_image_load_metadata().
|
|
*/
|
|
esp_err_t esp_image_verify_bootloader_data(esp_image_metadata_t *data);
|
|
|
|
/**
|
|
* @brief Get the flash size of the image
|
|
*
|
|
* @param app_flash_size The value configured in the image header
|
|
* @return Actual size, in bytes.
|
|
*/
|
|
int esp_image_get_flash_size(esp_image_flash_size_t app_flash_size);
|
|
|
|
|
|
typedef struct {
|
|
uint32_t drom_addr;
|
|
uint32_t drom_load_addr;
|
|
uint32_t drom_size;
|
|
uint32_t irom_addr;
|
|
uint32_t irom_load_addr;
|
|
uint32_t irom_size;
|
|
} esp_image_flash_mapping_t;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|