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esptool_py: Added a sector-pad option for bootloader image

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When SECURE BOOT V2 is enabled and CONFIG_SECURE_BOOT_SIGNED_BINARIES
is not set, sector-pad the bootloader image, which is required for an
external PKCS#11 interface to generate a signature.

esptool_py: Update submodule to release/v3 (4bc311767b7c6df41def6f95a50f87b1c9406cbd)
This commit is contained in:
harshal.patil 2022-11-24 18:19:50 +05:30
parent ea8de4ddca
commit 4e77c32afc
2 changed files with 12 additions and 1 deletions
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2
components/esptool_py/esptool

@ -1 +1 @@
Subproject commit e53efcf84ceb6fac315ccb1348d6950ac33af309
Subproject commit 4bc311767b7c6df41def6f95a50f87b1c9406cbd

11
components/esptool_py/project_include.cmake
View File

@ -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()