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Merge branch 'feature/add_bootloader_sector_pad_option_v4.3' into 'release/v4.3'

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esptool_py: Added a --pad-to-size flag to align the bootloader image (v4.3)

See merge request espressif/esp-idf!22328
This commit is contained in:
Jiang Jiang Jian
2023-02-26 15:51:09 +08:00
parent 24aa00d99d 4e77c32afc
commit 6f5e6b3841
2 changed files with 12 additions and 1 deletions
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2
components/esptool_py/esptool

Submodule components/esptool_py/esptool updated: e53efcf84c...4bc311767b

11
components/esptool_py/project_include.cmake
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@ -25,6 +25,17 @@ set(ESPTOOLPY_FLASH_OPTIONS
--flash_size ${ESPFLASHSIZE}
)
if(BOOTLOADER_BUILD AND CONFIG_SECURE_BOOT_V2_ENABLED)
# The bootloader binary needs to be 4KB aligned in order to append a secure boot V2 signature block.
# If CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES is NOT set, the bootloader
# image generated is not 4KB aligned for external HSM to sign it readily.
# Following esptool option --pad-to-size 4KB generates a 4K aligned bootloader image.
# In case of signing during build, espsecure.py "sign_data" operation handles the 4K alignment of the image.
if(NOT CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
list(APPEND esptool_elf2image_args --pad-to-size 4KB)
endif()
endif()
if(NOT BOOTLOADER_BUILD)
set(esptool_elf2image_args --elf-sha256-offset 0xb0)
endif()