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https://github.com/espressif/esp-idf.git
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b62b197cd3
For project with reduced component list, secure boot signing key path was not getting correctly. This change sets the secure boot signing key path explicitly based on the relevant config option. Closes https://github.com/espressif/esp-idf/issues/9578 Close IDFGH-8075
486 lines
20 KiB
CMake
486 lines
20 KiB
CMake
# Set some global esptool.py variables
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#
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# Many of these are read when generating flash_app_args & flash_project_args
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idf_build_get_property(target IDF_TARGET)
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idf_build_get_property(python PYTHON)
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idf_build_get_property(idf_path IDF_PATH)
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set(chip_model ${target})
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if(target STREQUAL "esp32h2")
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set(chip_model esp32h2beta1)
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endif()
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set(ESPTOOLPY ${python} "$ENV{ESPTOOL_WRAPPER}" "${CMAKE_CURRENT_LIST_DIR}/esptool/esptool.py" --chip ${chip_model})
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set(ESPSECUREPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/espsecure.py")
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set(ESPEFUSEPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/espefuse.py")
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set(ESPMONITOR ${python} "${idf_path}/tools/idf_monitor.py")
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set(ESPFLASHMODE ${CONFIG_ESPTOOLPY_FLASHMODE})
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set(ESPFLASHFREQ ${CONFIG_ESPTOOLPY_FLASHFREQ})
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set(ESPFLASHSIZE ${CONFIG_ESPTOOLPY_FLASHSIZE})
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set(ESPTOOLPY_CHIP "${chip_model}")
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set(ESPTOOLPY_FLASH_OPTIONS
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--flash_mode ${ESPFLASHMODE}
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--flash_freq ${ESPFLASHFREQ}
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--flash_size ${ESPFLASHSIZE}
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)
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if(NOT BOOTLOADER_BUILD)
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set(esptool_elf2image_args --elf-sha256-offset 0xb0)
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endif()
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if(NOT CONFIG_SECURE_BOOT_ALLOW_SHORT_APP_PARTITION AND
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NOT BOOTLOADER_BUILD)
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if(CONFIG_SECURE_SIGNED_APPS_ECDSA_SCHEME)
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list(APPEND esptool_elf2image_args --secure-pad)
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elseif(CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME)
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list(APPEND esptool_elf2image_args --secure-pad-v2)
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endif()
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endif()
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if(CONFIG_ESP32_REV_MIN)
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set(min_rev ${CONFIG_ESP32_REV_MIN})
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endif()
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if(CONFIG_ESP32C3_REV_MIN)
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set(min_rev ${CONFIG_ESP32C3_REV_MIN})
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endif()
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if(min_rev)
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list(APPEND esptool_elf2image_args --min-rev ${min_rev})
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set(monitor_rev_args "--revision;${min_rev}")
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unset(min_rev)
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endif()
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if(CONFIG_ESPTOOLPY_FLASHSIZE_DETECT)
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# Set ESPFLASHSIZE to 'detect' *after* elf2image options are generated,
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# as elf2image can't have 'detect' as an option...
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set(ESPFLASHSIZE detect)
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endif()
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if(CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME)
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set(ESPFLASHSIZE keep)
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endif()
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idf_build_get_property(build_dir BUILD_DIR)
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idf_build_get_property(elf_name EXECUTABLE_NAME GENERATOR_EXPRESSION)
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idf_build_get_property(elf EXECUTABLE GENERATOR_EXPRESSION)
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idf_build_get_property(elf_dir EXECUTABLE_DIR GENERATOR_EXPRESSION)
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if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES AND NOT BOOTLOADER_BUILD)
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set(unsigned_project_binary "${elf_name}-unsigned.bin")
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else()
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set(unsigned_project_binary "${elf_name}.bin")
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endif()
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set(PROJECT_BIN "${elf_name}.bin")
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#
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# Add 'app.bin' target - generates with elf2image
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#
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if(CONFIG_APP_BUILD_GENERATE_BINARIES)
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add_custom_command(OUTPUT "${build_dir}/.bin_timestamp"
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COMMAND ${ESPTOOLPY} elf2image ${ESPTOOLPY_FLASH_OPTIONS} ${esptool_elf2image_args}
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-o "${build_dir}/${unsigned_project_binary}" "${elf_dir}/${elf}"
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COMMAND ${CMAKE_COMMAND} -E echo "Generated ${build_dir}/${unsigned_project_binary}"
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COMMAND ${CMAKE_COMMAND} -E md5sum "${build_dir}/${unsigned_project_binary}" > "${build_dir}/.bin_timestamp"
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DEPENDS ${elf}
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VERBATIM
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WORKING_DIRECTORY ${build_dir}
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COMMENT "Generating binary image from built executable"
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)
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add_custom_target(gen_project_binary DEPENDS "${build_dir}/.bin_timestamp")
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endif()
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
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"${build_dir}/${unsigned_project_binary}"
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)
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if(CONFIG_APP_BUILD_GENERATE_BINARIES)
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add_custom_target(app ALL DEPENDS gen_project_binary)
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endif()
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if(CONFIG_SECURE_SIGNED_APPS_ECDSA_SCHEME)
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set(secure_boot_version "1")
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elseif(CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME)
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set(secure_boot_version "2")
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endif()
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if(NOT BOOTLOADER_BUILD AND CONFIG_SECURE_SIGNED_APPS)
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if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
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# for locally signed secure boot image, add a signing step to get from unsigned app to signed app
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get_filename_component(secure_boot_signing_key "${CONFIG_SECURE_BOOT_SIGNING_KEY}"
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ABSOLUTE BASE_DIR "${project_dir}")
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add_custom_command(OUTPUT "${build_dir}/.signed_bin_timestamp"
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COMMAND ${ESPSECUREPY} sign_data --version ${secure_boot_version} --keyfile ${secure_boot_signing_key}
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-o "${build_dir}/${PROJECT_BIN}" "${build_dir}/${unsigned_project_binary}"
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COMMAND ${CMAKE_COMMAND} -E echo "Generated signed binary image ${build_dir}/${PROJECT_BIN}"
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"from ${build_dir}/${unsigned_project_binary}"
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COMMAND ${CMAKE_COMMAND} -E md5sum "${build_dir}/${PROJECT_BIN}" > "${build_dir}/.signed_bin_timestamp"
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DEPENDS "${build_dir}/.bin_timestamp"
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VERBATIM
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COMMENT "Generating signed binary image"
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)
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add_custom_target(gen_signed_project_binary DEPENDS "${build_dir}/.signed_bin_timestamp")
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add_dependencies(gen_project_binary gen_signed_project_binary)
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
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"${build_dir}/${PROJECT_BIN}"
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)
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else()
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string(REPLACE ";" " " espsecurepy "${ESPSECUREPY}")
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add_custom_command(TARGET app POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E echo
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"App built but not signed. Sign app before flashing"
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COMMAND ${CMAKE_COMMAND} -E echo
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"\t${espsecurepy} sign_data --keyfile KEYFILE --version ${secure_boot_version} \
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${build_dir}/${PROJECT_BIN}"
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VERBATIM)
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endif()
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endif()
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add_custom_target(erase_flash
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COMMAND ${CMAKE_COMMAND}
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-D IDF_PATH="${idf_path}"
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-D SERIAL_TOOL="${ESPTOOLPY}"
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-D SERIAL_TOOL_ARGS="erase_flash"
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-P run_serial_tool.cmake
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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USES_TERMINAL
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)
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add_custom_target(monitor
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COMMAND ${CMAKE_COMMAND}
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-D IDF_PATH="${idf_path}"
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-D SERIAL_TOOL="${ESPMONITOR}"
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-D SERIAL_TOOL_ARGS="--target;${target};${monitor_rev_args};${elf_dir}/${elf}"
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-D WORKING_DIRECTORY="${build_dir}"
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-P run_serial_tool.cmake
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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USES_TERMINAL
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)
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set(esptool_flash_main_args "--before=${CONFIG_ESPTOOLPY_BEFORE}")
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if(CONFIG_SECURE_BOOT OR CONFIG_SECURE_FLASH_ENC_ENABLED)
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# If security enabled then override post flash option
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list(APPEND esptool_flash_main_args "--after=no_reset")
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else()
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list(APPEND esptool_flash_main_args "--after=${CONFIG_ESPTOOLPY_AFTER}")
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endif()
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if(CONFIG_ESPTOOLPY_NO_STUB)
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list(APPEND esptool_flash_main_args "--no-stub")
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endif()
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idf_component_set_property(esptool_py FLASH_ARGS "${esptool_flash_main_args}")
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idf_component_set_property(esptool_py FLASH_SUB_ARGS "${ESPTOOLPY_FLASH_OPTIONS}")
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function(esptool_py_partition_needs_encryption retencrypted partition_name)
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# Check if encryption is enabled
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if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT)
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# Encryption is enabled, get partition type, subtype and encrypted flag
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# to determine whether it needs encryption or not.
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partition_table_get_partition_info(type "--partition-name ${partition_name}" "type")
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partition_table_get_partition_info(subtype "--partition-name ${partition_name}" "subtype")
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partition_table_get_partition_info(encrypted "--partition-name ${partition_name}" "encrypted")
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# As defined in gen_esp32part.py file:
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# Types:
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# - APP 0x00
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# - DATA 0x01
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# Subtypes:
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# - ota 0x00
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# - nvs 0x02
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# If the partition is an app, an OTA or an NVS partition, then it should
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# be encrypted
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if(
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(${type} EQUAL 0) OR
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(${type} EQUAL 1 AND ${subtype} EQUAL 0) OR
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(${type} EQUAL 1 AND ${subtype} EQUAL 2)
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)
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set(encrypted TRUE)
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endif()
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# Return 'encrypted' value to the caller
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set(${retencrypted} ${encrypted} PARENT_SCOPE)
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else()
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# Encryption not enabled, return false
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set(${retencrypted} FALSE PARENT_SCOPE)
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endif()
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endfunction()
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function(esptool_py_flash_to_partition target_name partition_name binary_path)
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# Retrieve the offset for the partition to flash the image on
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partition_table_get_partition_info(offset "--partition-name ${partition_name}" "offset")
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if(NOT offset)
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message(FATAL_ERROR "Could not find offset of partition ${partition_name}")
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endif()
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# Check whether the partition needs encryption or not
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esptool_py_partition_needs_encryption(encrypted ${partition_name})
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# If the image should not be encrypted, we pass the option
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# ALWAYS_PLAINTEXT to the function esptool_py_flash_target_image
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if(NOT ${encrypted})
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set(option ALWAYS_PLAINTEXT)
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endif()
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# The image name is also the partition name
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esptool_py_flash_target_image(${target_name} ${partition_name} ${offset}
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${binary_path} ${option})
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endfunction()
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# This function takes a fifth optional named parameter: "ALWAYS_PLAINTEXT". As
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# its name states, it marks whether the image should be flashed as plain text or
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# not. If build macro CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT is set and
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# this parameter is provided, then the image will be flahsed as plain text
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# (not encrypted) on the target. This parameter will be ignored if build macro
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# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT is not set.
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function(esptool_py_flash_target_image target_name image_name offset image)
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set(options ALWAYS_PLAINTEXT)
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idf_build_get_property(build_dir BUILD_DIR)
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file(RELATIVE_PATH image ${build_dir} ${image})
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cmake_parse_arguments(arg "${options}" "" "" "${ARGN}")
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# Check if the image has to be plain text or not, depending on the macro
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# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT and the parameter
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# ALWAYS_PLAINTEXT
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set(encrypted false)
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if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT AND
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NOT arg_ALWAYS_PLAINTEXT)
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set(encrypted true)
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endif()
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# In the following snippet of code, some properties are defined for our
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# current target. These properties will be used to generate the actual
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# target_name_args files using the target_name_args.in files.
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# Please see function esptool_py_flash_target above for more information
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# about these properties and how they are used.
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# Add the image file, with its offset, to the list of files to
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# flash to the target. No matter whether flash encryption is
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# enabled or not, plain binaries (non-encrypted) need to be
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# generated
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set_property(TARGET ${target_name} APPEND PROPERTY FLASH_FILE
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"\"${offset}\" : \"${image}\"")
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set_property(TARGET ${target_name} APPEND PROPERTY FLASH_ENTRY
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"\"${image_name}\" : { \"offset\" : \"${offset}\", \"file\" : \"${image}\",\
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\"encrypted\" : \"${encrypted}\" }")
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set_property(TARGET ${target_name} APPEND PROPERTY IMAGES "${offset} ${image}")
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if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT)
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# When flash encryption mode is enabled, if the current binary needs to
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# be encrypted, do the same as previously but prefixing target names
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# with "encrypted-".
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if(encrypted)
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set_property(TARGET encrypted-${target_name} APPEND PROPERTY FLASH_FILE
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"\"${offset}\" : \"${image}\"")
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set_property(TARGET encrypted-${target_name} APPEND PROPERTY FLASH_ENTRY
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"\"${image_name}\" : { \"offset\" : \"${offset}\", \"file\" : \"${image}\" , \
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\"encrypted\" : \"${encrypted}\" }")
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set_property(TARGET encrypted-${target_name} APPEND PROPERTY ENCRYPTED_IMAGES "${offset} ${image}")
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else()
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# The target doesn't need to be encrypted, thus, add the current
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# file to the NON_ENCRYPTED_IMAGES property
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set_property(TARGET encrypted-${target_name} APPEND PROPERTY NON_ENCRYPTED_IMAGES "${offset} ${image}")
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endif()
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endif()
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endfunction()
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# Use this function to generate a ternary expression that will be evaluated.
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# - retexpr is the expression returned by the function
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# - condition is the expression evaluated to a boolean
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# - condtrue is the expression to evaluate if condition is true
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# - condfalse is the expression to evaluate if condition is false
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# This function can be summarized as:
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# retexpr = condition ? condtrue : condfalse
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function(if_expr_generator retexpr condition condtrue condfalse)
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# CMake version 3.8 and above provide a ternary operator for expression
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# generator. For version under, we must simulate this behaviour
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if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
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# If condtrue is not empty, then we have to do something in case the
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# condition is true. Generate the expression that will be used in that
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# case
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if(condtrue)
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set(iftrue "$<${condition}:${condtrue}>")
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endif()
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# Same for condfalse. If it is empty, it is useless to create an
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# expression that will be evaluated later
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if(condfalse)
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set(iffalse "$<$<NOT:${condition}>:${condfalse}>")
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endif()
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# Concatenate the previously generated expressions. If one of them was
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# not initialized (because of empty condtrue/condfalse) it will be
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# replaced by an empty string
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set(${retexpr} "${iftrue}${iffalse}" PARENT_SCOPE)
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else()
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# CMake 3.8 and above implement what we want, making the expression
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# simpler
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set(${retexpr} "$<IF:${condition},${condtrue},${condfalse}>" PARENT_SCOPE)
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endif()
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endfunction()
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function(esptool_py_flash_target target_name main_args sub_args)
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set(single_value OFFSET IMAGE) # template file to use to be able to
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# flash the image individually using esptool
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set(options ALWAYS_PLAINTEXT)
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cmake_parse_arguments(_ "${options}" "${single_value}" "" "${ARGN}")
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idf_build_get_property(idf_path IDF_PATH)
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idf_build_get_property(build_dir BUILD_DIR)
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idf_component_get_property(esptool_py_dir esptool_py COMPONENT_DIR)
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add_custom_target(${target_name}
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COMMAND ${CMAKE_COMMAND}
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-D IDF_PATH="${idf_path}"
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-D SERIAL_TOOL="${ESPTOOLPY}"
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-D SERIAL_TOOL_ARGS="${main_args};write_flash;@${target_name}_args"
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-D WORKING_DIRECTORY="${build_dir}"
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-P ${esptool_py_dir}/run_serial_tool.cmake
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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USES_TERMINAL
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)
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set_target_properties(${target_name} PROPERTIES SUB_ARGS "${sub_args}")
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# Create the expression that contains the list of file names to pass
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# to esptool script
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set(flash_args_content "$<JOIN:$<TARGET_PROPERTY:${target_name},SUB_ARGS>, >\n\
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$<JOIN:$<TARGET_PROPERTY:${target_name},IMAGES>,\n>")
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# Write the previous expression to the target_name_args.in file
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file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${target_name}_args.in"
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CONTENT "${flash_args_content}")
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# Generate the actual expression value from the content of the file
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# we just wrote
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file(GENERATE OUTPUT "${build_dir}/${target_name}_args"
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INPUT "${CMAKE_CURRENT_BINARY_DIR}/${target_name}_args.in")
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# Check if the target has to be plain text or not, depending on the macro
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# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT and the parameter
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# ALWAYS_PLAINTEXT
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set(encrypted FALSE)
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if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT AND
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NOT __ALWAYS_PLAINTEXT)
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set(encrypted TRUE)
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endif()
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# If the file needs to be encrypted, create a target file that lets the user
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# flash this partition independently from other files.
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# For example, if 'target_name' is app-flash and 'encrypted' is TRUE,
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# 'build' directory will contain a file name 'encrypted_app-flash_args'
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if(${encrypted})
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add_custom_target(encrypted-${target_name}
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COMMAND ${CMAKE_COMMAND}
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-D IDF_PATH="${idf_path}"
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-D SERIAL_TOOL="${ESPTOOLPY}"
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-D SERIAL_TOOL_ARGS="${main_args};write_flash;@encrypted_${target_name}_args"
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-D WORKING_DIRECTORY="${build_dir}"
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-P ${esptool_py_dir}/run_serial_tool.cmake
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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USES_TERMINAL
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)
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# Generate the parameters for esptool.py command
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# In case we have both non encrypted and encrypted files to flash, we
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# can use --encrypt-files parameter to specify which ones should be
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# encrypted.
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# If we only have encrypted images to flash, we must use legacy
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# --encrypt parameter.
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# As the properties ENCRYPTED_IMAGES and NON_ENCRYPTED_IMAGES have not
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# been geenrated yet, we must use CMake expression generator to test
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# which esptool.py options we can use.
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# The variable has_non_encrypted_image will be evaluated to "1" if some
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# images must not be encrypted. This variable will be used in the next
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# expression
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set(has_non_encrypted_images "$<BOOL:$<TARGET_PROPERTY:\
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encrypted-${target_name},NON_ENCRYPTED_IMAGES>>")
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# Prepare esptool arguments (--encrypt or --encrypt-files)
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if_expr_generator(if_non_enc_expr ${has_non_encrypted_images}
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"" "--encrypt")
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set_target_properties(encrypted-${target_name} PROPERTIES SUB_ARGS
|
|
"${sub_args}; ${if_non_enc_expr}")
|
|
|
|
# Generate the list of files to pass to esptool
|
|
set(encrypted_files "$<JOIN:$<TARGET_PROPERTY\
|
|
:encrypted-${target_name},ENCRYPTED_IMAGES>,\n>")
|
|
set(non_encrypted_files "$<JOIN:$<TARGET_PROPERTY:\
|
|
encrypted-${target_name},NON_ENCRYPTED_IMAGES>,\n>")
|
|
|
|
# Put both lists together, use --encrypted-files if we do also have
|
|
# plain images to flash
|
|
if_expr_generator(if_enc_expr ${has_non_encrypted_images}
|
|
"--encrypt-files\n" "")
|
|
set(flash_args_content "$<JOIN:$<TARGET_PROPERTY:\
|
|
encrypted-${target_name},SUB_ARGS>, >\
|
|
${non_encrypted_files}\n\
|
|
${if_enc_expr}\
|
|
${encrypted_files}")
|
|
|
|
# The expression is ready to be geenrated, write it to the file which
|
|
# extension is .in
|
|
file_generate("${CMAKE_CURRENT_BINARY_DIR}/encrypted_${target_name}_args.in"
|
|
CONTENT "${flash_args_content}")
|
|
|
|
# Generate the actual string from the content of the file we just wrote
|
|
file_generate("${build_dir}/encrypted_${target_name}_args"
|
|
INPUT "${CMAKE_CURRENT_BINARY_DIR}/encrypted_${target_name}_args.in")
|
|
else()
|
|
fail_target(encrypted-${target_name} "Error: The target encrypted-${target_name} requires"
|
|
"CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT to be enabled.")
|
|
|
|
endif()
|
|
endfunction()
|
|
|
|
|
|
function(esptool_py_custom_target target_name flasher_filename dependencies)
|
|
idf_component_get_property(main_args esptool_py FLASH_ARGS)
|
|
idf_component_get_property(sub_args esptool_py FLASH_SUB_ARGS)
|
|
|
|
idf_build_get_property(build_dir BUILD_DIR)
|
|
|
|
esptool_py_flash_target(${target_name} "${main_args}" "${sub_args}")
|
|
|
|
# Copy the file to flash_xxx_args for compatibility for select target
|
|
file_generate("${build_dir}/flash_${flasher_filename}_args"
|
|
INPUT "${build_dir}/${target_name}_args")
|
|
|
|
add_dependencies(${target_name} ${dependencies})
|
|
|
|
if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT)
|
|
file_generate("${build_dir}/flash_encrypted_${flasher_filename}_args"
|
|
INPUT "${build_dir}/encrypted_${target_name}_args")
|
|
|
|
add_dependencies(encrypted-${target_name} ${dependencies})
|
|
endif()
|
|
endfunction()
|
|
|
|
if(NOT BOOTLOADER_BUILD)
|
|
set(flash_deps "partition_table_bin")
|
|
|
|
if(CONFIG_APP_BUILD_GENERATE_BINARIES)
|
|
list(APPEND flash_deps "app")
|
|
endif()
|
|
|
|
if(CONFIG_APP_BUILD_BOOTLOADER)
|
|
list(APPEND flash_deps "bootloader")
|
|
endif()
|
|
|
|
esptool_py_custom_target(flash project "${flash_deps}")
|
|
endif()
|