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bootloader: Add support of anti-rollback

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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
This commit is contained in:
Konstantin Kondrashov
2019-02-13 17:32:23 +08:00
parent 985e1c4c7f
commit e916cf52a3
22 changed files with 635 additions and 40 deletions
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16
components/esp32/esp_err_to_name.c
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@@ -224,6 +224,22 @@ static const esp_err_msg_t esp_err_msg_table[] = {
# endif
# ifdef ESP_ERR_OTA_VALIDATE_FAILED
ERR_TBL_IT(ESP_ERR_OTA_VALIDATE_FAILED), /* 5379 0x1503 Error if OTA app image is invalid */
# endif
# ifdef ESP_ERR_OTA_SMALL_SEC_VER
ERR_TBL_IT(ESP_ERR_OTA_SMALL_SEC_VER), /* 5380 0x1504 Error if the firmware has a secure version
less than the running firmware. */
# endif
# ifdef ESP_ERR_OTA_ROLLBACK_FAILED
ERR_TBL_IT(ESP_ERR_OTA_ROLLBACK_FAILED), /* 5381 0x1505 Error if flash does not have valid firmware
in passive partition and hence rollback is
not possible */
# endif
# ifdef ESP_ERR_OTA_ROLLBACK_INVALID_STATE
ERR_TBL_IT(ESP_ERR_OTA_ROLLBACK_INVALID_STATE), /* 5382 0x1506 Error if current active firmware is still
marked in pending validation state
(ESP_OTA_IMG_PENDING_VERIFY), essentially
first boot of firmware image post upgrade
and hence firmware upgrade is not possible */
# endif
// components/bootloader_support/include/esp_image_format.h
# ifdef ESP_ERR_IMAGE_BASE