esp-idf/components/esptool_py/project_include.cmake

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7.7 KiB
CMake
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# Set some global esptool.py variables
#
# Many of these are read when generating flash_app_args & flash_project_args
idf_build_get_property(python PYTHON)
set(ESPTOOLPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/esptool.py" --chip esp32)
set(ESPSECUREPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/espsecure.py")
set(ESPEFUSEPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/espefuse.py")
set(ESPFLASHMODE ${CONFIG_ESPTOOLPY_FLASHMODE})
set(ESPFLASHFREQ ${CONFIG_ESPTOOLPY_FLASHFREQ})
set(ESPFLASHSIZE ${CONFIG_ESPTOOLPY_FLASHSIZE})
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set(ESPTOOLPY_BEFORE "${CONFIG_ESPTOOLPY_BEFORE}")
set(ESPTOOLPY_AFTER "${CONFIG_ESPTOOLPY_AFTER}")
if(CONFIG_SECURE_BOOT_ENABLED OR CONFIG_SECURE_FLASH_ENC_ENABLED)
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# If security enabled then override post flash option
set(ESPTOOLPY_AFTER "no_reset")
endif()
set(ESPTOOLPY_SERIAL "${ESPTOOLPY}"
--port "${ESPPORT}"
--baud ${ESPBAUD}
--before "${ESPTOOLPY_BEFORE}"
--after "${ESPTOOLPY_AFTER}"
)
if(CONFIG_ESPTOOLPY_COMPRESSED)
set(ESPTOOLPY_COMPRESSED_OPT -z)
else()
set(ESPTOOLPY_COMPRESSED_OPT -u)
endif()
set(ESPTOOLPY_ELF2IMAGE_FLASH_OPTIONS
--flash_mode ${ESPFLASHMODE}
--flash_freq ${ESPFLASHFREQ}
--flash_size ${ESPFLASHSIZE}
)
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# String for printing flash command
string(REPLACE ";" " " ESPTOOLPY_WRITE_FLASH_STR
"${ESPTOOLPY} --port (PORT) --baud (BAUD) --before ${ESPTOOLPY_BEFORE} --after ${ESPTOOLPY_AFTER} "
"write_flash ${ESPTOOLPY_ELF2IMAGE_FLASH_OPTIONS} ${ESPTOOLPY_EXTRA_FLASH_OPTIONS} ${ESPTOOLPY_COMPRESSED_OPT}")
if(CONFIG_SECURE_BOOT_ENABLED AND
NOT CONFIG_SECURE_BOOT_ALLOW_SHORT_APP_PARTITION AND
NOT BOOTLOADER_BUILD)
set(ESPTOOLPY_ELF2IMAGE_FLASH_OPTIONS
${ESPTOOLPY_ELF2IMAGE_FLASH_OPTIONS} --secure-pad)
endif()
if(NOT BOOTLOADER_BUILD)
set(ESPTOOLPY_ELF2IMAGE_OPTIONS --elf-sha256-offset 0xb0)
endif()
if(CONFIG_ESPTOOLPY_FLASHSIZE_DETECT)
# Set ESPFLASHSIZE to 'detect' *after* elf2image options are generated,
# as elf2image can't have 'detect' as an option...
set(ESPFLASHSIZE detect)
endif()
idf_build_get_property(build_dir BUILD_DIR)
idf_build_get_property(elf_name EXECUTABLE_NAME GENERATOR_EXPRESSION)
idf_build_get_property(elf EXECUTABLE GENERATOR_EXPRESSION)
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if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES AND NOT BOOTLOADER_BUILD)
set(unsigned_project_binary "${elf_name}-unsigned.bin")
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else()
set(unsigned_project_binary "${elf_name}.bin")
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endif()
set(PROJECT_BIN "${elf_name}.bin")
#
# Add 'app.bin' target - generates with elf2image
#
add_custom_command(OUTPUT "${build_dir}/.app_hash"
COMMAND ${ESPTOOLPY} elf2image ${ESPTOOLPY_ELF2IMAGE_FLASH_OPTIONS} ${ESPTOOLPY_ELF2IMAGE_OPTIONS}
-o "${build_dir}/${unsigned_project_binary}" "${elf}"
COMMAND ${CMAKE_COMMAND} -E md5sum "${build_dir}/${unsigned_project_binary}" > "${build_dir}/.app_hash"
DEPENDS ${elf}
VERBATIM
WORKING_DIRECTORY ${build_dir}
)
add_custom_target(gen_project_binary DEPENDS "${build_dir}/.app_hash")
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if(NOT BOOTLOADER_BUILD AND
CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
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# for locally signed secure boot image, add a signing step to get from unsigned app to signed app
add_custom_command(OUTPUT "${build_dir}/.signed_app_hash"
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COMMAND ${ESPSECUREPY} sign_data --keyfile ${secure_boot_signing_key}
-o "${build_dir}/${PROJECT_BIN}" "${build_dir}/${unsigned_project_binary}"
COMMAND ${CMAKE_COMMAND} -E md5sum "${build_dir}/${PROJECT_BIN}" > "${build_dir}/.signed_app_hash"
DEPENDS "${build_dir}/.app_hash"
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VERBATIM
)
add_custom_target(gen_signed_project_binary DEPENDS "${build_dir}/.signed_app_hash")
add_dependencies(gen_project_binary gen_signed_project_binary)
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endif()
if(NOT BOOTLOADER_BUILD)
add_custom_target(app ALL DEPENDS gen_project_binary)
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else()
add_custom_target(bootloader ALL DEPENDS gen_project_binary)
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endif()
if(NOT BOOTLOADER_BUILD AND
CONFIG_SECURE_BOOT_ENABLED AND
NOT CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
add_custom_command(TARGET app POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo
"App built but not signed. Sign app before flashing"
COMMAND ${CMAKE_COMMAND} -E echo
"\t${ESPSECUREPY} sign_data --keyfile KEYFILE ${build_dir}/${elf_bin}"
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VERBATIM)
endif()
#
# Add 'flash' target - not all build systems can run this directly
#
function(esptool_py_custom_target target_name flasher_filename dependencies)
idf_build_get_property(idf_path IDF_PATH)
add_custom_target(${target_name} DEPENDS ${dependencies}
COMMAND ${CMAKE_COMMAND}
-D IDF_PATH="${idf_path}"
-D ESPTOOLPY="${ESPTOOLPY}"
-D ESPTOOL_ARGS="write_flash;@flash_${flasher_filename}_args"
-D ESPTOOL_WORKING_DIR="${build_dir}"
-P run_esptool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
)
endfunction()
esptool_py_custom_target(flash project "app;partition_table;bootloader")
esptool_py_custom_target(app-flash app "app")
esptool_py_custom_target(bootloader-flash bootloader "bootloader")
add_custom_target(flash_project_args_target)
# esptool_py_flash_project_args
#
# Add file to the flasher args list, to be flashed at a particular offset
function(esptool_py_flash_project_args entry offset image)
set(options FLASH_IN_PROJECT) # flash the image when flashing the project
set(single_value FLASH_FILE_TEMPLATE) # template file to use to be able to
# flash the image individually using esptool
cmake_parse_arguments(_ "${options}" "${single_value}" "" "${ARGN}")
idf_build_get_property(build_dir BUILD_DIR)
get_property(flash_project_entries TARGET flash_project_args_target PROPERTY FLASH_PROJECT_ENTRIES)
if(${entry} IN_LIST flash_project_entries)
message(FATAL_ERROR "entry '${entry}' has already been added to flash project entries")
endif()
list(APPEND flash_project_entries "${entry}")
set_property(TARGET flash_project_args_target PROPERTY FLASH_PROJECT_ENTRIES "${flash_project_entries}")
file(RELATIVE_PATH image ${CMAKE_BINARY_DIR} ${image})
# Generate the standalone flash file to flash the image individually using esptool
set(entry_flash_args ${build_dir}/flash_${entry}_args)
if(NOT __FLASH_FILE_TEMPLATE)
file(GENERATE OUTPUT ${entry_flash_args} CONTENT "${offset} ${image}")
else()
get_filename_component(template "${__FLASH_FILE_TEMPLATE}" ABSOLUTE)
file(GENERATE OUTPUT ${entry_flash_args} INPUT ${template})
endif()
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${entry_flash_args})
# Generate standalone entries in the flasher args json file
get_property(flash_project_args_entry_json TARGET
flash_project_args_target PROPERTY FLASH_PROJECT_ARGS_ENTRY_JSON)
list(APPEND flash_project_args_entry_json
"\"${entry}\" : { \"offset\" : \"${offset}\", \"file\" : \"${image}\" }")
set_property(TARGET flash_project_args_target
PROPERTY FLASH_PROJECT_ARGS_ENTRY_JSON "${flash_project_args_entry_json}")
# Generate entries in the flasher args json file
if(__FLASH_IN_PROJECT)
get_property(flash_project_args TARGET flash_project_args_target PROPERTY FLASH_PROJECT_ARGS)
list(APPEND flash_project_args "${offset} ${image}")
set_property(TARGET flash_project_args_target PROPERTY FLASH_PROJECT_ARGS "${flash_project_args}")
get_property(flash_project_args_json TARGET flash_project_args_target PROPERTY FLASH_PROJECT_ARGS_JSON)
list(APPEND flash_project_args_json "\"${offset}\" : \"${image}\"")
set_property(TARGET flash_project_args_target PROPERTY FLASH_PROJECT_ARGS_JSON "${flash_project_args_json}")
endif()
endfunction()