86256b3541
Need to make the bootloader modular so that users can redefine its functional part. - refactoring and moving functions to the bootloader_support component - Changed function to `void` bootloader_utility_load_image(...); TW19596
65 lines
2.6 KiB
C
65 lines
2.6 KiB
C
// Copyright 2018 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.
|
|
#pragma once
|
|
|
|
#include "esp_image_format.h"
|
|
|
|
/**
|
|
* @brief Load partition table.
|
|
*
|
|
* Parse partition table, get useful data such as location of
|
|
* OTA data partition, factory app partition, and test app partition.
|
|
*
|
|
* @param[out] bs Bootloader state structure used to save read data.
|
|
* @return Return true if the partition table was succesfully loaded and MD5 checksum is valid.
|
|
*/
|
|
bool bootloader_utility_load_partition_table(bootloader_state_t* bs);
|
|
|
|
/**
|
|
* @brief Return the index of the selected boot partition.
|
|
*
|
|
* This is the preferred boot partition, as determined by the partition table &
|
|
* any OTA sequence number found in OTA data.
|
|
* This partition will only be booted if it contains a valid app image, otherwise load_boot_image() will search
|
|
* for a valid partition using this selection as the starting point.
|
|
*
|
|
* @param[in] bs Bootloader state structure.
|
|
* @return Returns the index on success, INVALID_INDEX otherwise.
|
|
*/
|
|
int bootloader_utility_get_selected_boot_partition(const bootloader_state_t *bs);
|
|
|
|
/**
|
|
* @brief Load the app image for booting.
|
|
*
|
|
* Start from partition 'start_index', if not bootable then work backwards to FACTORY_INDEX
|
|
* (ie try any OTA slots in descending order and then the factory partition).
|
|
* If still nothing, start from 'start_index + 1' and work up to highest numbered OTA partition.
|
|
* If still nothing, try TEST_APP_INDEX.
|
|
*
|
|
* @param[in] bs Bootloader state structure.
|
|
* @param[in] start_index The index from which the search for images begins.
|
|
* @param[out] result The image found.
|
|
* @return Returns true on success, false if there's no bootable app in the partition table.
|
|
*/
|
|
bool bootloader_utility_load_boot_image(const bootloader_state_t *bs, int start_index, esp_image_metadata_t *result);
|
|
|
|
/**
|
|
* @brief Loading the selected image.
|
|
*
|
|
* Copy loaded segments to RAM, set up caches for mapped segments, and start application.
|
|
*
|
|
* @param[in] data Structure to hold on-flash image metadata.
|
|
*/
|
|
void bootloader_utility_load_image(const esp_image_metadata_t* image_data);
|