Added: * set a secure version in app/bootloader. * description anti-rollback to ota part * emulate the secure_version write and read operations * efuse_em partition. * a description about a rollback for native_ota_example. Closes: TW26335
138 lines
5.9 KiB
C
138 lines
5.9 KiB
C
// Copyright 2018 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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#pragma once
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#include "esp_flash_data_types.h"
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#include "esp_image_format.h"
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/// Type of hold a GPIO in low state
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typedef enum {
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GPIO_LONG_HOLD = 1, /*!< The long hold GPIO */
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GPIO_SHORT_HOLD = -1, /*!< The short hold GPIO */
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GPIO_NOT_HOLD = 0 /*!< If the GPIO input is not low */
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} esp_comm_gpio_hold_t;
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/**
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* @brief Calculate crc for the OTA data select.
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*
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* @param[in] s The OTA data select.
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* @return Returns crc value.
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*/
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uint32_t bootloader_common_ota_select_crc(const esp_ota_select_entry_t *s);
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/**
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* @brief Verifies the validity of the OTA data select
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*
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* @param[in] s The OTA data select.
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* @return Returns true on valid, false otherwise.
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*/
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bool bootloader_common_ota_select_valid(const esp_ota_select_entry_t *s);
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/**
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* @brief Returns true if OTADATA is not marked as bootable partition.
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*
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* @param[in] s The OTA data select.
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* @return Returns true if OTADATA invalid, false otherwise.
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*/
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bool bootloader_common_ota_select_invalid(const esp_ota_select_entry_t *s);
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/**
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* @brief Check if the GPIO input is a long hold or a short hold.
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*
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* Number of the GPIO input will be configured as an input with internal pull-up enabled.
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* If the GPIO input is held low continuously for delay_sec period then it is a long hold.
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* If the GPIO input is held low for less period then it is a short hold.
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*
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* @param[in] num_pin Number of the GPIO input.
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* @param[in] delay_sec Input must be driven low for at least this long, continuously.
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* @return esp_comm_gpio_hold_t Defines type of hold a GPIO in low state.
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*/
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esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio(uint32_t num_pin, uint32_t delay_sec);
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/**
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* @brief Erase the partition data that is specified in the transferred list.
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*
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* @param[in] list_erase String containing a list of cleared partitions. Like this "nvs, phy". The string must be null-terminal.
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* @param[in] ota_data_erase If true then the OTA data partition will be cleared (if there is it in partition table).
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* @return Returns true on success, false otherwise.
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*/
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bool bootloader_common_erase_part_type_data(const char *list_erase, bool ota_data_erase);
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/**
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* @brief Determines if the list contains the label
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*
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* @param[in] list A string of names delimited by commas or spaces. Like this "nvs, phy, data". The string must be null-terminated.
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* @param[in] label The substring that will be searched in the list.
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* @return Returns true if the list contains the label, false otherwise.
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*/
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bool bootloader_common_label_search(const char *list, char *label);
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/**
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* @brief Calculates a sha-256 for a given partition or returns a appended digest.
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*
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* This function can be used to return the SHA-256 digest of application, bootloader and data partitions.
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* For apps with SHA-256 appended to the app image, the result is the appended SHA-256 value for the app image content.
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* The hash is verified before returning, if app content is invalid then the function returns ESP_ERR_IMAGE_INVALID.
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* For apps without SHA-256 appended to the image, the result is the SHA-256 of all bytes in the app image.
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* For other partition types, the result is the SHA-256 of the entire partition.
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*
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* @param[in] address Address of partition.
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* @param[in] size Size of partition.
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* @param[in] type Type of partition. For applications the type is 0, otherwise type is data.
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* @param[out] out_sha_256 Returned SHA-256 digest for a given partition.
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*
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* @return
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* - ESP_OK: In case of successful operation.
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* - ESP_ERR_INVALID_ARG: The size was 0 or the sha_256 was NULL.
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* - ESP_ERR_NO_MEM: Cannot allocate memory for sha256 operation.
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* - ESP_ERR_IMAGE_INVALID: App partition doesn't contain a valid app image.
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* - ESP_FAIL: An allocation error occurred.
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*/
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esp_err_t bootloader_common_get_sha256_of_partition(uint32_t address, uint32_t size, int type, uint8_t *out_sha_256);
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/**
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* @brief Returns the number of active otadata.
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*
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* @param[in] two_otadata Pointer on array from two otadata structures.
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*
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* @return The number of active otadata (0 or 1).
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* - -1: If it does not have active otadata.
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*/
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int bootloader_common_get_active_otadata(esp_ota_select_entry_t *two_otadata);
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/**
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* @brief Returns the number of active otadata.
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*
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* @param[in] two_otadata Pointer on array from two otadata structures.
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* @param[in] valid_two_otadata Pointer on array from two bools. True means select.
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* @param[in] max True - will select the maximum ota_seq number, otherwise the minimum.
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*
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* @return The number of active otadata (0 or 1).
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* - -1: If it does not have active otadata.
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*/
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int bootloader_common_select_otadata(const esp_ota_select_entry_t *two_otadata, bool *valid_two_otadata, bool max);
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/**
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* @brief Returns esp_app_desc structure for app partition. This structure includes app version.
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*
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* Returns a description for the requested app partition.
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* @param[in] partition App partition description.
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* @param[out] app_desc Structure of info about app.
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* @return
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* - ESP_OK: Successful.
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* - ESP_ERR_INVALID_ARG: The arguments passed are not valid.
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* - ESP_ERR_NOT_FOUND: app_desc structure is not found. Magic word is incorrect.
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* - ESP_FAIL: mapping is fail.
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*/
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esp_err_t bootloader_common_get_partition_description(const esp_partition_pos_t *partition, esp_app_desc_t *app_desc);
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