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feat(partition_table): Add read-only partition flag and functionality

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This commit is contained in:
Adam Múdry
2023-07-17 11:59:28 +02:00
parent f083570af6
commit ab1eb37fe8
43 changed files with 763 additions and 104 deletions
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27
components/spi_flash/esp_flash_api.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -47,25 +47,26 @@ DRAM_ATTR static const char TAG[] = "spi_flash";
/* CHECK_WRITE_ADDRESS macro to fail writes which land in the
bootloader, partition table, or running application region.
*/
#if CONFIG_SPI_FLASH_DANGEROUS_WRITE_ALLOWED
#define CHECK_WRITE_ADDRESS(CHIP, ADDR, SIZE)
#else /* FAILS or ABORTS */
#define CHECK_WRITE_ADDRESS(CHIP, ADDR, SIZE) do { \
if (CHIP && CHIP->os_func->region_protected && CHIP->os_func->region_protected(CHIP->os_func_data, ADDR, SIZE)) { \
UNSAFE_WRITE_ADDRESS; \
} \
#define CHECK_WRITE_ADDRESS(CHIP, ADDR, SIZE) do { \
if (CHIP && CHIP->os_func->region_protected) { \
esp_err_t ret = CHIP->os_func->region_protected(CHIP->os_func_data, ADDR, SIZE); \
if (ret == ESP_ERR_NOT_ALLOWED) { \
return ret; /* ESP_ERR_NOT_ALLOWED from read-only partition check */ \
} else if (ret != ESP_OK) { \
UNSAFE_WRITE_ADDRESS; /* FAILS or ABORTS */ \
} \
} \
} while(0)
#endif // CONFIG_SPI_FLASH_DANGEROUS_WRITE_ALLOWED
/* Convenience macro for beginning of all API functions.
* Check the return value of `rom_spiflash_api_funcs->chip_check` is correct,
* and the chip supports the operation in question.
*/
#define VERIFY_CHIP_OP(op) do { \
#define VERIFY_CHIP_OP(op) do { \
if (err != ESP_OK) return err; \
if (chip->chip_drv->op == NULL) { \
return ESP_ERR_FLASH_UNSUPPORTED_CHIP; \
} \
if (chip->chip_drv->op == NULL) { \
return ESP_ERR_FLASH_UNSUPPORTED_CHIP; \
} \
} while (0)