117 lines
4.5 KiB
CMake
117 lines
4.5 KiB
CMake
set(srcs
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"src/bootloader_clock.c"
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"src/bootloader_common.c"
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"src/bootloader_flash.c"
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"src/bootloader_mem.c"
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"src/bootloader_random.c"
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"src/bootloader_utility.c"
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"src/esp_image_format.c"
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"src/flash_partitions.c"
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"src/flash_qio_mode.c"
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"src/bootloader_flash_config_${IDF_TARGET}.c"
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"src/bootloader_efuse_${IDF_TARGET}.c"
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)
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if(IDF_TARGET STREQUAL "esp32")
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# Not supported on ESP32S2 yet
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list(APPEND srcs "src/flash_encrypt.c")
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endif()
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if(BOOTLOADER_BUILD)
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set(include_dirs "include" "include_bootloader")
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set(priv_requires micro-ecc spi_flash efuse)
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list(APPEND srcs
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"src/bootloader_init.c"
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"src/${IDF_TARGET}/bootloader_sha.c"
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"src/${IDF_TARGET}/flash_encrypt.c"
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"src/${IDF_TARGET}/bootloader_${IDF_TARGET}.c"
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)
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else()
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list(APPEND srcs
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"src/idf/bootloader_sha.c")
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set(include_dirs "include")
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set(priv_include_dirs "include_bootloader")
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set(priv_requires spi_flash mbedtls efuse)
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endif()
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if(CONFIG_SECURE_SIGNED_APPS_ECDSA_SCHEME OR CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME)
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if(BOOTLOADER_BUILD)
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list(APPEND srcs
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"src/${IDF_TARGET}/secure_boot_signatures.c")
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else()
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list(APPEND srcs
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"src/idf/secure_boot_signatures.c")
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endif()
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endif()
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if(CONFIG_SECURE_BOOT AND BOOTLOADER_BUILD)
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list(APPEND srcs
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"src/${IDF_TARGET}/secure_boot.c")
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endif()
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set(requires soc) #unfortunately the header directly uses SOC registers
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idf_component_register(SRCS "${srcs}"
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INCLUDE_DIRS "${include_dirs}"
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PRIV_INCLUDE_DIRS "${priv_include_dirs}"
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REQUIRES "${requires}"
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PRIV_REQUIRES "${priv_requires}")
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if(CONFIG_SECURE_SIGNED_APPS AND (CONFIG_SECURE_BOOT_V1_ENABLED OR CONFIG_SECURE_SIGNED_APPS_ECDSA_SCHEME))
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if(BOOTLOADER_BUILD)
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# Whether CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES or not, we need verification key to embed
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# in the library.
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if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
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# We generate the key from the signing key. The signing key is passed from the main project.
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get_filename_component(secure_boot_signing_key
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"${SECURE_BOOT_SIGNING_KEY}"
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ABSOLUTE BASE_DIR "${project_dir}")
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get_filename_component(secure_boot_verification_key
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"signature_verification_key.bin"
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ABSOLUTE BASE_DIR "${CMAKE_CURRENT_BINARY_DIR}")
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add_custom_command(OUTPUT "${secure_boot_verification_key}"
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COMMAND ${ESPSECUREPY}
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extract_public_key --keyfile "${secure_boot_signing_key}"
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"${secure_boot_verification_key}"
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DEPENDS ${secure_boot_signing_key}
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VERBATIM)
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else()
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# We expect to 'inherit' the verification key passed from main project.
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get_filename_component(secure_boot_verification_key
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${SECURE_BOOT_VERIFICATION_KEY}
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ABSOLUTE BASE_DIR "${project_dir}")
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endif()
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else() # normal app build
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idf_build_get_property(project_dir PROJECT_DIR)
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if(CONFIG_SECURE_BOOT_VERIFICATION_KEY)
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# verification-only build supplies verification key
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set(secure_boot_verification_key ${CONFIG_SECURE_BOOT_VERIFICATION_KEY})
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get_filename_component(secure_boot_verification_key
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${secure_boot_verification_key}
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ABSOLUTE BASE_DIR "${project_dir}")
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else()
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# sign at build time, extracts key from signing key
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set(secure_boot_verification_key "${CMAKE_BINARY_DIR}/signature_verification_key.bin")
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get_filename_component(secure_boot_signing_key
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${CONFIG_SECURE_BOOT_SIGNING_KEY}
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ABSOLUTE BASE_DIR "${project_dir}")
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add_custom_command(OUTPUT "${secure_boot_verification_key}"
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COMMAND ${ESPSECUREPY}
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extract_public_key --keyfile "${secure_boot_signing_key}"
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"${secure_boot_verification_key}"
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WORKING_DIRECTORY ${project_dir}
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DEPENDS ${secure_boot_signing_key}
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VERBATIM)
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endif()
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endif()
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# Embed the verification key in the binary (app & bootloader)
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#
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target_add_binary_data(${COMPONENT_LIB} "${secure_boot_verification_key}" "BINARY"
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RENAME_TO signature_verification_key_bin)
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
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"${secure_boot_verification_key}")
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endif()
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