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esp-idf/components/bootloader/subproject/CMakeLists.txt
Michael (XIAO Xufeng) 5425ef4ee4 hal: extract hal component from soc component
2020-09-01 13:25:32 +08:00

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9.4 KiB
CMake
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cmake_minimum_required(VERSION 3.5)
if(NOT SDKCONFIG)
message(FATAL_ERROR "Bootloader subproject expects the SDKCONFIG variable to be passed "
"in by the parent build process.")
endif()
if(NOT IDF_PATH)
message(FATAL_ERROR "Bootloader subproject expects the IDF_PATH variable to be passed "
"in by the parent build process.")
endif()
if(NOT IDF_TARGET)
message(FATAL_ERROR "Bootloader subproject expects the IDF_TARGET variable to be passed "
"in by the parent build process.")
endif()
set(COMPONENTS bootloader esptool_py partition_table soc bootloader_support log spi_flash micro-ecc main efuse)
set(BOOTLOADER_BUILD 1)
include("${IDF_PATH}/tools/cmake/project.cmake")
set(common_req log esp_rom esp_common xtensa)
if(LEGACY_INCLUDE_COMMON_HEADERS)
list(APPEND common_req soc hal)
endif()
idf_build_set_property(__COMPONENT_REQUIRES_COMMON "${common_req}")
idf_build_set_property(__OUTPUT_SDKCONFIG 0)
project(bootloader)
idf_build_set_property(COMPILE_DEFINITIONS "-DBOOTLOADER_BUILD=1" APPEND)
idf_build_set_property(COMPILE_OPTIONS "-fno-stack-protector" APPEND)
idf_component_get_property(main_args esptool_py FLASH_ARGS)
idf_component_get_property(sub_args esptool_py FLASH_SUB_ARGS)
# String for printing flash command
string(REPLACE ";" " " esptoolpy_write_flash
"${ESPTOOLPY} --port=(PORT) --baud=(BAUD) ${main_args} "
"write_flash ${sub_args}")
string(REPLACE ";" " " espsecurepy "${ESPSECUREPY}")
string(REPLACE ";" " " espefusepy "${ESPEFUSEPY}")
if(CONFIG_SECURE_BOOTLOADER_REFLASHABLE)
if(CONFIG_SECURE_BOOTLOADER_KEY_ENCODING_192BIT)
set(key_digest_len 192)
else()
set(key_digest_len 256)
endif()
get_filename_component(bootloader_digest_bin
"bootloader-reflash-digest.bin"
ABSOLUTE BASE_DIR "${CMAKE_BINARY_DIR}")
get_filename_component(secure_bootloader_key
"secure-bootloader-key-${key_digest_len}.bin"
ABSOLUTE BASE_DIR "${CMAKE_BINARY_DIR}")
add_custom_command(OUTPUT "${secure_bootloader_key}"
COMMAND ${ESPSECUREPY} digest_private_key
--keylen "${key_digest_len}"
--keyfile "${SECURE_BOOT_SIGNING_KEY}"
"${secure_bootloader_key}"
VERBATIM)
if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
add_custom_target(gen_secure_bootloader_key ALL DEPENDS "${secure_bootloader_key}")
else()
if(NOT EXISTS "${secure_bootloader_key}")
message(FATAL_ERROR
"No pre-generated key for a reflashable secure bootloader is available, "
"due to signing configuration."
"\nTo generate one, you can use this command:"
"\n\t${espsecurepy} generate_flash_encryption_key ${secure_bootloader_key}"
"\nIf a signing key is present, then instead use:"
"\n\t${espsecurepy} digest_private_key "
"--keylen (192/256) --keyfile KEYFILE "
"${secure_bootloader_key}")
endif()
add_custom_target(gen_secure_bootloader_key)
endif()
add_custom_command(OUTPUT "${bootloader_digest_bin}"
COMMAND ${CMAKE_COMMAND} -E echo "DIGEST ${bootloader_digest_bin}"
COMMAND ${ESPSECUREPY} digest_secure_bootloader --keyfile "${secure_bootloader_key}"
-o "${bootloader_digest_bin}" "${CMAKE_BINARY_DIR}/bootloader.bin"
MAIN_DEPENDENCY "${CMAKE_BINARY_DIR}/.bin_timestamp"
DEPENDS gen_secure_bootloader_key gen_project_binary
VERBATIM)
add_custom_target (gen_bootloader_digest_bin ALL DEPENDS "${bootloader_digest_bin}")
endif()
if(CONFIG_SECURE_BOOT_V2_ENABLED)
if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
get_filename_component(secure_boot_signing_key
"${SECURE_BOOT_SIGNING_KEY}" ABSOLUTE BASE_DIR "${project_dir}")
if(NOT EXISTS "${secure_boot_signing_key}")
message(FATAL_ERROR
"Secure Boot Signing Key Not found."
"\nGenerate the Secure Boot V2 RSA-PSS 3072 Key."
"\nTo generate one, you can use this command:"
"\n\t${espsecurepy} generate_signing_key --version 2 ${SECURE_BOOT_SIGNING_KEY}")
endif()
set(bootloader_unsigned_bin "bootloader-unsigned.bin")
add_custom_command(OUTPUT ".signed_bin_timestamp"
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_BINARY_DIR}/${PROJECT_BIN}" "${CMAKE_BINARY_DIR}/${bootloader_unsigned_bin}"
COMMAND ${ESPSECUREPY} sign_data --version 2 --keyfile "${secure_boot_signing_key}"
-o "${CMAKE_BINARY_DIR}/${PROJECT_BIN}" "${CMAKE_BINARY_DIR}/${bootloader_unsigned_bin}"
COMMAND ${CMAKE_COMMAND} -E echo "Generated signed binary image ${build_dir}/${PROJECT_BIN}"
"from ${CMAKE_BINARY_DIR}/${bootloader_unsigned_bin}"
COMMAND ${CMAKE_COMMAND} -E md5sum "${CMAKE_BINARY_DIR}/${PROJECT_BIN}" > "${CMAKE_BINARY_DIR}/.signed_bin_timestamp"
DEPENDS "${build_dir}/.bin_timestamp"
VERBATIM
COMMENT "Generated the signed Bootloader")
else()
add_custom_command(OUTPUT ".signed_bin_timestamp"
VERBATIM
COMMENT "Bootloader generated but not signed")
endif()
add_custom_target (gen_signed_bootloader ALL DEPENDS "${build_dir}/.signed_bin_timestamp")
endif()
if(CONFIG_SECURE_BOOTLOADER_ONE_TIME_FLASH)
add_custom_command(TARGET bootloader.elf POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
COMMAND ${CMAKE_COMMAND} -E echo
"Bootloader built. Secure boot enabled, so bootloader not flashed automatically."
COMMAND ${CMAKE_COMMAND} -E echo
"One-time flash command is:"
COMMAND ${CMAKE_COMMAND} -E echo
"\t${esptoolpy_write_flash} ${BOOTLOADER_OFFSET} ${CMAKE_BINARY_DIR}/bootloader.bin"
COMMAND ${CMAKE_COMMAND} -E echo
"* IMPORTANT: After first boot, BOOTLOADER CANNOT BE RE-FLASHED on same device"
VERBATIM)
elseif(CONFIG_SECURE_BOOTLOADER_REFLASHABLE)
add_custom_command(TARGET bootloader.elf POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
COMMAND ${CMAKE_COMMAND} -E echo
"Bootloader built and secure digest generated."
COMMAND ${CMAKE_COMMAND} -E echo
"Secure boot enabled, so bootloader not flashed automatically."
COMMAND ${CMAKE_COMMAND} -E echo
"Burn secure boot key to efuse using:"
COMMAND ${CMAKE_COMMAND} -E echo
"\t${espefusepy} burn_key secure_boot ${secure_bootloader_key}"
COMMAND ${CMAKE_COMMAND} -E echo
"First time flash command is:"
COMMAND ${CMAKE_COMMAND} -E echo
"\t${esptoolpy_write_flash} ${BOOTLOADER_OFFSET} ${CMAKE_BINARY_DIR}/bootloader.bin"
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
COMMAND ${CMAKE_COMMAND} -E echo
"To reflash the bootloader after initial flash:"
COMMAND ${CMAKE_COMMAND} -E echo
"\t${esptoolpy_write_flash} 0x0 ${bootloader_digest_bin}"
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
COMMAND ${CMAKE_COMMAND} -E echo
"* After first boot, only re-flashes of this kind (with same key) will be accepted."
COMMAND ${CMAKE_COMMAND} -E echo
"* Not recommended to re-use the same secure boot keyfile on multiple production devices."
DEPENDS gen_secure_bootloader_key gen_bootloader_digest_bin
VERBATIM)
elseif(CONFIG_SECURE_BOOT_V2_ENABLED AND CONFIG_IDF_TARGET_ESP32S2)
add_custom_command(TARGET bootloader.elf POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
COMMAND ${CMAKE_COMMAND} -E echo
"Bootloader built. Secure boot enabled, so bootloader not flashed automatically."
COMMAND ${CMAKE_COMMAND} -E echo
"To sign the bootloader with additional private keys."
COMMAND ${CMAKE_COMMAND} -E echo
"\t${espsecurepy} sign_data -k secure_boot_signing_key2.pem -v 2 --append_signatures -o signed_bootloader.bin build/bootloader/bootloader.bin"
COMMAND ${CMAKE_COMMAND} -E echo
"Secure boot enabled, so bootloader not flashed automatically."
COMMAND ${CMAKE_COMMAND} -E echo
"\t${esptoolpy_write_flash} ${BOOTLOADER_OFFSET} ${CMAKE_BINARY_DIR}/bootloader.bin"
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
DEPENDS gen_signed_bootloader
VERBATIM)
elseif(CONFIG_SECURE_BOOT_V2_ENABLED)
add_custom_command(TARGET bootloader.elf POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
COMMAND ${CMAKE_COMMAND} -E echo
"Bootloader built. Secure boot enabled, so bootloader not flashed automatically."
COMMAND ${CMAKE_COMMAND} -E echo
"Secure boot enabled, so bootloader not flashed automatically."
COMMAND ${CMAKE_COMMAND} -E echo
"\t${esptoolpy_write_flash} ${BOOTLOADER_OFFSET} ${CMAKE_BINARY_DIR}/bootloader.bin"
COMMAND ${CMAKE_COMMAND} -E echo
"=============================================================================="
DEPENDS gen_signed_bootloader
VERBATIM)
endif()
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