2018-10-19 15:02:55 -04:00
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# This is for tracking the top level project path
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|
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if(BOOTLOADER_BUILD)
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set(main_project_path "${CMAKE_BINARY_DIR}/../..")
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else()
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2018-11-11 02:36:10 -05:00
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set(main_project_path "${IDF_PROJECT_PATH}")
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2018-10-19 15:02:55 -04:00
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endif()
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get_filename_component(secure_boot_signing_key
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"${CONFIG_SECURE_BOOT_SIGNING_KEY}"
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|
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ABSOLUTE BASE_DIR "${main_project_path}")
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|
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if(NOT EXISTS ${secure_boot_signing_key})
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|
|
# If the signing key is not found, create a phony gen_secure_boot_signing_key target that
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|
|
# fails the build. fail_at_build_time also touches CMakeCache.txt to cause a cmake run next time
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|
|
# (to pick up a new signing key if one exists, etc.)
|
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|
|
|
fail_at_build_time(gen_secure_boot_signing_key
|
|
|
|
|
"Secure Boot Signing Key ${CONFIG_SECURE_BOOT_SIGNING_KEY} does not exist. Generate using:"
|
|
|
|
|
"\tespsecure.py generate_signing_key ${CONFIG_SECURE_BOOT_SIGNING_KEY}")
|
|
|
|
|
else()
|
|
|
|
|
add_custom_target(gen_secure_boot_signing_key)
|
|
|
|
|
endif()
|
|
|
|
|
|
2018-11-11 02:36:10 -05:00
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|
|
if(BOOTLOADER_BUILD OR NOT IDF_BUILD_ARTIFACTS)
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|
|
|
|
return() # don't keep recursing, generate on project builds
|
2018-01-19 00:00:41 -05:00
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|
|
endif()
|
|
|
|
|
|
2018-01-11 21:49:13 -05:00
|
|
|
# Glue to build the bootloader subproject binary as an external
|
|
|
|
|
# cmake project under this one
|
|
|
|
|
#
|
|
|
|
|
#
|
2019-01-21 22:45:45 -05:00
|
|
|
set(BOOTLOADER_BUILD_DIR "${IDF_BUILD_ARTIFACTS_DIR}/bootloader")
|
2018-01-16 00:50:15 -05:00
|
|
|
set(bootloader_binary_files
|
2019-01-21 22:45:45 -05:00
|
|
|
"${BOOTLOADER_BUILD_DIR}/bootloader.elf"
|
|
|
|
|
"${BOOTLOADER_BUILD_DIR}/bootloader.bin"
|
|
|
|
|
"${BOOTLOADER_BUILD_DIR}/bootloader.map"
|
2018-02-26 23:45:30 -05:00
|
|
|
)
|
2018-01-16 00:50:15 -05:00
|
|
|
|
2018-10-19 15:02:55 -04:00
|
|
|
# These additional files may get generated
|
|
|
|
|
if(CONFIG_SECURE_BOOTLOADER_REFLASHABLE)
|
|
|
|
|
set(bootloader_binary_files
|
|
|
|
|
${bootloader_binary_files}
|
2019-01-21 22:45:45 -05:00
|
|
|
"${BOOTLOADER_BUILD_DIR}/bootloader-reflash-digest.bin"
|
|
|
|
|
"${BOOTLOADER_BUILD_DIR}/secure-bootloader-key-192.bin"
|
|
|
|
|
"${BOOTLOADER_BUILD_DIR}/secure-bootloader-key-256.bin"
|
2018-10-19 15:02:55 -04:00
|
|
|
)
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
if((NOT CONFIG_SECURE_BOOT_ENABLED) OR
|
|
|
|
|
CONFIG_SECURE_BOOTLOADER_REFLASHABLE OR
|
|
|
|
|
CONFIG_SECURE_BOOTLOADER_ONE_TIME_FLASH)
|
|
|
|
|
externalproject_add(bootloader
|
|
|
|
|
# TODO: support overriding the bootloader in COMPONENT_PATHS
|
|
|
|
|
SOURCE_DIR "${IDF_PATH}/components/bootloader/subproject"
|
2019-01-21 22:45:45 -05:00
|
|
|
BINARY_DIR "${BOOTLOADER_BUILD_DIR}"
|
2018-11-22 05:46:44 -05:00
|
|
|
CMAKE_ARGS -DSDKCONFIG=${SDKCONFIG} -DIDF_PATH=${IDF_PATH}
|
2018-10-19 15:02:55 -04:00
|
|
|
-DSECURE_BOOT_SIGNING_KEY=${secure_boot_signing_key}
|
|
|
|
|
INSTALL_COMMAND ""
|
|
|
|
|
BUILD_ALWAYS 1 # no easy way around this...
|
|
|
|
|
BUILD_BYPRODUCTS ${bootloader_binary_files}
|
|
|
|
|
DEPENDS gen_secure_boot_signing_key
|
|
|
|
|
)
|
|
|
|
|
else()
|
|
|
|
|
fail_at_build_time(bootloader "Invalid bootloader target: bad sdkconfig?")
|
|
|
|
|
endif()
|
2018-01-11 21:49:13 -05:00
|
|
|
|
2018-01-16 00:50:15 -05:00
|
|
|
# this is a hack due to an (annoying) shortcoming in cmake, it can't
|
|
|
|
|
# extend the 'clean' target to the external project
|
|
|
|
|
# see thread: https://cmake.org/pipermail/cmake/2016-December/064660.html
|
|
|
|
|
#
|
|
|
|
|
# So for now we just have the top-level build remove the final build products...
|
2018-02-26 23:45:30 -05:00
|
|
|
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY
|
|
|
|
|
ADDITIONAL_MAKE_CLEAN_FILES
|
|
|
|
|
${bootloader_binary_files})
|
