espressif/esp-idf
1
0
Fork 1
mirror of https://github.com/espressif/esp-idf.git synced 2025-11-03 16:41:44 +01:00
Code Issues Packages Projects Releases Wiki Activity

Bootloader: retained memory can now be kept after reboot when custom data enabled

Browse Source 
User's custom data are not taken into account during the CRC calculation anymore.
Which means taht the retained mem structure is not systematically erased
on each reboot anymore.
This commit is contained in:
Omar Chebib
2022-08-26 19:40:06 +08:00
parent 3d1c15cd94
commit 62ad5c2258
10 changed files with 86 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
components/bootloader_support/include/esp_image_format.h
View File

@@ -53,8 +53,14 @@ typedef struct {
uint32_t crc; /*!< Check sum crc32 */
} rtc_retain_mem_t;
_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_CUSTOM_RESERVE_RTC
_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 */
_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
#if defined(CONFIG_BOOTLOADER_SKIP_VALIDATE_IN_DEEP_SLEEP) || defined(CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC)