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OVMS3-idf/components/esptool_py/project_include.cmake
Angus Gratton d45eabe676 esptool: Add support for ESP32-S2 Secure Download Mode 
* Pass --no-stub from build system if configured to enable ESP32-S2 Secure Download Mode
* Update esptool submodule
2020-05-28 17:52:15 +10:00

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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(target IDF_TARGET)
idf_build_get_property(python PYTHON)
set(ESPTOOLPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/esptool.py" --chip ${target})
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})
set(ESPTOOLPY_FLASH_OPTIONS
--flash_mode ${ESPFLASHMODE}
--flash_freq ${ESPFLASHFREQ}
--flash_size ${ESPFLASHSIZE}
)
if(NOT BOOTLOADER_BUILD)
set(esptool_elf2image_args --elf-sha256-offset 0xb0)
endif()
if(NOT CONFIG_SECURE_BOOT_ALLOW_SHORT_APP_PARTITION AND
NOT BOOTLOADER_BUILD)
if(CONFIG_SECURE_SIGNED_APPS_ECDSA_SCHEME)
list(APPEND esptool_elf2image_args --secure-pad)
elseif(CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME)
list(APPEND esptool_elf2image_args --secure-pad-v2)
endif()
endif()
if(CONFIG_ESP32_REV_MIN)
list(APPEND esptool_elf2image_args --min-rev ${CONFIG_ESP32_REV_MIN})
endif()
if(CONFIG_ESPTOOLPY_FLASHSIZE_DETECT)
# Set ESPFLASHSIZE to 'detect' *after* elf2image options are generated,
# as elf2image can't have 'detect' as an option...
set(ESPFLASHSIZE detect)
endif()
if(CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME)
set(ESPFLASHSIZE keep)
endif()
idf_build_get_property(build_dir BUILD_DIR)
idf_build_get_property(elf_name EXECUTABLE_NAME GENERATOR_EXPRESSION)
idf_build_get_property(elf EXECUTABLE GENERATOR_EXPRESSION)
idf_build_get_property(elf_dir EXECUTABLE_DIR GENERATOR_EXPRESSION)
if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES AND NOT BOOTLOADER_BUILD)
set(unsigned_project_binary "${elf_name}-unsigned.bin")
else()
set(unsigned_project_binary "${elf_name}.bin")
endif()
set(PROJECT_BIN "${elf_name}.bin")
#
# Add 'app.bin' target - generates with elf2image
#
if(CONFIG_APP_BUILD_GENERATE_BINARIES)
add_custom_command(OUTPUT "${build_dir}/.bin_timestamp"
COMMAND ${ESPTOOLPY} elf2image ${ESPTOOLPY_FLASH_OPTIONS} ${esptool_elf2image_args}
-o "${build_dir}/${unsigned_project_binary}" "${elf_dir}/${elf}"
COMMAND ${CMAKE_COMMAND} -E echo "Generated ${build_dir}/${unsigned_project_binary}"
COMMAND ${CMAKE_COMMAND} -E md5sum "${build_dir}/${unsigned_project_binary}" > "${build_dir}/.bin_timestamp"
DEPENDS ${elf}
VERBATIM
WORKING_DIRECTORY ${build_dir}
COMMENT "Generating binary image from built executable"
)
add_custom_target(gen_project_binary DEPENDS "${build_dir}/.bin_timestamp")
endif()
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
"${build_dir}/${unsigned_project_binary}"
)
if(CONFIG_APP_BUILD_GENERATE_BINARIES)
add_custom_target(app ALL DEPENDS gen_project_binary)
endif()
if(CONFIG_SECURE_SIGNED_APPS_ECDSA_SCHEME)
set(secure_boot_version "1")
elseif(CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME)
set(secure_boot_version "2")
endif()
if(NOT BOOTLOADER_BUILD AND CONFIG_SECURE_SIGNED_APPS)
if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
# for locally signed secure boot image, add a signing step to get from unsigned app to signed app
add_custom_command(OUTPUT "${build_dir}/.signed_bin_timestamp"
COMMAND ${ESPSECUREPY} sign_data --version ${secure_boot_version} --keyfile ${secure_boot_signing_key}
-o "${build_dir}/${PROJECT_BIN}" "${build_dir}/${unsigned_project_binary}"
COMMAND ${CMAKE_COMMAND} -E echo "Generated signed binary image ${build_dir}/${PROJECT_BIN}"
"from ${build_dir}/${unsigned_project_binary}"
COMMAND ${CMAKE_COMMAND} -E md5sum "${build_dir}/${PROJECT_BIN}" > "${build_dir}/.signed_bin_timestamp"
DEPENDS "${build_dir}/.bin_timestamp"
VERBATIM
COMMENT "Generating signed binary image"
)
add_custom_target(gen_signed_project_binary DEPENDS "${build_dir}/.signed_bin_timestamp")
add_dependencies(gen_project_binary gen_signed_project_binary)
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
"${build_dir}/${PROJECT_BIN}"
)
else()
string(REPLACE ";" " " espsecurepy "${ESPSECUREPY}")
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 --version ${secure_boot_version} \
${build_dir}/${PROJECT_BIN}"
VERBATIM)
endif()
endif()
add_custom_target(erase_flash
COMMAND ${CMAKE_COMMAND}
-D IDF_PATH="${idf_path}"
-D ESPTOOLPY="${ESPTOOLPY}"
-D ESPTOOL_ARGS="erase_flash"
-P run_esptool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
)
add_custom_target(monitor
COMMAND ${CMAKE_COMMAND}
-D IDF_PATH="${idf_path}"
-D IDF_MONITOR="${idf_path}/tools/idf_monitor.py"
-D ELF_FILE="${elf_dir}/${elf}"
-D WORKING_DIRECTORY="${build_dir}"
-P run_idf_monitor.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
)
set(esptool_flash_main_args "--before=${CONFIG_ESPTOOLPY_BEFORE}")
if(CONFIG_SECURE_BOOT OR CONFIG_SECURE_FLASH_ENC_ENABLED)
# If security enabled then override post flash option
list(APPEND esptool_flash_main_args "--after=no_reset")
else()
list(APPEND esptool_flash_main_args "--after=${CONFIG_ESPTOOLPY_AFTER}")
endif()
if(NOT CONFIG_ESPTOOLPY_WITH_STUB)
list(APPEND esptool_flash_main_args "--no-stub")
endif()
idf_component_set_property(esptool_py FLASH_ARGS "${esptool_flash_main_args}")
idf_component_set_property(esptool_py FLASH_SUB_ARGS "${ESPTOOLPY_FLASH_OPTIONS}")
function(esptool_py_flash_target_image target_name image_name offset image)
idf_build_get_property(build_dir BUILD_DIR)
file(RELATIVE_PATH image ${build_dir} ${image})
set_property(TARGET ${target_name} APPEND PROPERTY FLASH_FILE
"\"${offset}\" : \"${image}\"")
set_property(TARGET ${target_name} APPEND PROPERTY FLASH_ENTRY
"\"${image_name}\" : { \"offset\" : \"${offset}\", \"file\" : \"${image}\" }")
set_property(TARGET ${target_name} APPEND PROPERTY IMAGES "${offset} ${image}")
if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT)
set_property(TARGET encrypted-${target_name} APPEND PROPERTY FLASH_FILE
"\"${offset}\" : \"${image}\"")
set_property(TARGET encrypted-${target_name} APPEND PROPERTY FLASH_ENTRY
"\"${image_name}\" : { \"offset\" : \"${offset}\", \"file\" : \"${image}\" }")
set_property(TARGET encrypted-${target_name} APPEND PROPERTY IMAGES "${offset} ${image}")
endif()
endfunction()
function(esptool_py_flash_target target_name main_args sub_args)
set(single_value OFFSET IMAGE) # template file to use to be able to
# flash the image individually using esptool
cmake_parse_arguments(_ "" "${single_value}" "" "${ARGN}")
idf_build_get_property(idf_path IDF_PATH)
idf_build_get_property(build_dir BUILD_DIR)
idf_component_get_property(esptool_py_dir esptool_py COMPONENT_DIR)
add_custom_target(${target_name}
COMMAND ${CMAKE_COMMAND}
-D IDF_PATH="${idf_path}"
-D ESPTOOLPY="${ESPTOOLPY}"
-D ESPTOOL_ARGS="${main_args};write_flash;@${target_name}_args"
-D WORKING_DIRECTORY="${build_dir}"
-P ${esptool_py_dir}/run_esptool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
)
set_target_properties(${target_name} PROPERTIES SUB_ARGS "${sub_args}")
set(flash_args_content "$<JOIN:$<TARGET_PROPERTY:${target_name},SUB_ARGS>, >\n\
$<JOIN:$<TARGET_PROPERTY:${target_name},IMAGES>,\n>")
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${target_name}_args.in"
CONTENT "${flash_args_content}")
file(GENERATE OUTPUT "${build_dir}/${target_name}_args"
INPUT "${CMAKE_CURRENT_BINARY_DIR}/${target_name}_args.in")
if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT)
add_custom_target(encrypted-${target_name}
COMMAND ${CMAKE_COMMAND}
-D IDF_PATH="${idf_path}"
-D ESPTOOLPY="${ESPTOOLPY}"
-D ESPTOOL_ARGS="${main_args};write_flash;@encrypted_${target_name}_args"
-D WORKING_DIRECTORY="${build_dir}"
-P ${esptool_py_dir}/run_esptool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
)
set_target_properties(encrypted-${target_name} PROPERTIES SUB_ARGS "${sub_args};--encrypt")
set(flash_args_content "$<JOIN:$<TARGET_PROPERTY:encrypted-${target_name},SUB_ARGS>, >\n\
$<JOIN:$<TARGET_PROPERTY:encrypted-${target_name},IMAGES>,\n>")
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/encrypted_${target_name}_args.in"
CONTENT "${flash_args_content}")
file(GENERATE OUTPUT "${build_dir}/encrypted_${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()
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