esp-idf/components/esptool_py/project_include.cmake

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# Set some global esptool.py variables
#
# Many of these are read when generating flash_app_args & flash_project_args
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idf_build_get_property(target IDF_TARGET)
idf_build_get_property(python PYTHON)
idf_build_get_property(idf_path IDF_PATH)
set(chip_model ${target})
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# TODO: remove this if block when esp32h2 beta1 is no longer supported
if(target STREQUAL "esp32h2")
if(CONFIG_IDF_TARGET_ESP32H2_BETA_VERSION_1)
set(chip_model esp32h2beta1)
elseif(CONFIG_IDF_TARGET_ESP32H2_BETA_VERSION_2)
set(chip_model esp32h2beta2)
endif()
endif()
set(ESPTOOLPY ${python} "$ENV{ESPTOOL_WRAPPER}" "${CMAKE_CURRENT_LIST_DIR}/esptool/esptool.py" --chip ${chip_model})
set(ESPSECUREPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/espsecure.py")
set(ESPEFUSEPY ${python} "${CMAKE_CURRENT_LIST_DIR}/esptool/espefuse.py")
set(ESPMONITOR ${python} "${idf_path}/tools/idf_monitor.py")
set(ESPFLASHMODE ${CONFIG_ESPTOOLPY_FLASHMODE})
set(ESPFLASHFREQ ${CONFIG_ESPTOOLPY_FLASHFREQ})
set(ESPFLASHSIZE ${CONFIG_ESPTOOLPY_FLASHSIZE})
set(ESPTOOLPY_CHIP "${chip_model}")
set(esptool_elf2image_args
--flash_mode ${ESPFLASHMODE}
--flash_freq ${ESPFLASHFREQ}
--flash_size ${ESPFLASHSIZE}
)
if(NOT BOOTLOADER_BUILD)
list(APPEND 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 OR CONFIG_SECURE_SIGNED_APPS_ECDSA_V2_SCHEME)
list(APPEND esptool_elf2image_args --secure-pad-v2)
endif()
endif()
if(CONFIG_ESP32_REV_MIN)
set(min_rev ${CONFIG_ESP32_REV_MIN})
endif()
if(CONFIG_ESP32C3_REV_MIN)
set(min_rev ${CONFIG_ESP32C3_REV_MIN})
endif()
if(min_rev)
list(APPEND esptool_elf2image_args --min-rev ${min_rev})
set(monitor_rev_args "--revision;${min_rev}")
unset(min_rev)
endif()
if(CONFIG_ESPTOOLPY_FLASHSIZE_DETECT)
# Set ESPFLASHSIZE to 'detect' *after* esptool_elf2image_args are generated,
# as elf2image can't have 'detect' as an option...
set(ESPFLASHSIZE detect)
# Flash size detection updates the image header which would invalidate the appended
# SHA256 digest. Therefore, a digest is not appended in that case.
# This argument requires esptool>=4.1.
set(esptool_elf2image_args --dont-append-digest)
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)
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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 "${elf_name}.bin")
#
# Add 'app.bin' target - generates with elf2image
#
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if(CONFIG_APP_BUILD_GENERATE_BINARIES)
add_custom_command(OUTPUT "${build_dir}/.bin_timestamp"
COMMAND ${ESPTOOLPY} elf2image ${esptool_elf2image_args}
-o "${build_dir}/${unsigned_project_binary}" "${elf_dir}/${elf}"
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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()
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
"${build_dir}/${unsigned_project_binary}"
)
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if(CONFIG_APP_BUILD_GENERATE_BINARIES)
add_custom_target(app ALL DEPENDS gen_project_binary)
endif()
if(CONFIG_SECURE_SIGNED_APPS_ECDSA_SCHEME)
set(secure_boot_version "1")
elseif(CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME OR CONFIG_SECURE_SIGNED_APPS_ECDSA_V2_SCHEME)
set(secure_boot_version "2")
endif()
if(NOT BOOTLOADER_BUILD AND CONFIG_SECURE_SIGNED_APPS)
if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)
# for locally signed secure boot image, add a signing step to get from unsigned app to signed app
add_custom_command(OUTPUT "${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()
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endif()
add_custom_target(erase_flash
COMMAND ${CMAKE_COMMAND}
-D "IDF_PATH=${idf_path}"
-D "SERIAL_TOOL=${ESPTOOLPY}"
-D "SERIAL_TOOL_ARGS=erase_flash"
-P run_serial_tool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
VERBATIM
)
add_custom_target(monitor
COMMAND ${CMAKE_COMMAND}
-D "IDF_PATH=${idf_path}"
-D "SERIAL_TOOL=${ESPMONITOR}"
-D "SERIAL_TOOL_ARGS=--target;${target};${monitor_rev_args};${elf_dir}/${elf}"
-D "WORKING_DIRECTORY=${build_dir}"
-P run_serial_tool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
VERBATIM
)
set(esptool_flash_main_args "--before=${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=${CONFIG_ESPTOOLPY_AFTER}")
endif()
if(CONFIG_ESPTOOLPY_NO_STUB)
list(APPEND esptool_flash_main_args "--no-stub")
endif()
idf_component_set_property(esptool_py FLASH_ARGS "${esptool_flash_main_args}")
idf_component_set_property(esptool_py FLASH_SUB_ARGS "--flash_mode ${ESPFLASHMODE} --flash_freq ${ESPFLASHFREQ} \
--flash_size ${ESPFLASHSIZE}")
function(esptool_py_partition_needs_encryption retencrypted partition_name)
# Check if encryption is enabled
if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT)
# Encryption is enabled, get partition type, subtype and encrypted flag
# to determine whether it needs encryption or not.
partition_table_get_partition_info(type "--partition-name ${partition_name}" "type")
partition_table_get_partition_info(subtype "--partition-name ${partition_name}" "subtype")
partition_table_get_partition_info(encrypted "--partition-name ${partition_name}" "encrypted")
# As defined in gen_esp32part.py file:
# Types:
# - APP 0x00
# - DATA 0x01
# Subtypes:
# - ota 0x00
# - nvs 0x02
# If the partition is an app, an OTA or an NVS partition, then it should
# be encrypted
if(
(${type} EQUAL 0) OR
(${type} EQUAL 1 AND ${subtype} EQUAL 0) OR
(${type} EQUAL 1 AND ${subtype} EQUAL 2)
)
set(encrypted TRUE)
endif()
# Return 'encrypted' value to the caller
set(${retencrypted} ${encrypted} PARENT_SCOPE)
else()
# Encryption not enabled, return false
set(${retencrypted} FALSE PARENT_SCOPE)
endif()
endfunction()
function(esptool_py_flash_to_partition target_name partition_name binary_path)
# Retrieve the offset for the partition to flash the image on
partition_table_get_partition_info(offset "--partition-name ${partition_name}" "offset")
if(NOT offset)
message(FATAL_ERROR "Could not find offset of partition ${partition_name}")
endif()
# Check whether the partition needs encryption or not
esptool_py_partition_needs_encryption(encrypted ${partition_name})
# If the image should not be encrypted, we pass the option
# ALWAYS_PLAINTEXT to the function esptool_py_flash_target_image
if(NOT ${encrypted})
set(option ALWAYS_PLAINTEXT)
endif()
# The image name is also the partition name
esptool_py_flash_target_image(${target_name} ${partition_name} ${offset}
${binary_path} ${option})
endfunction()
# This function takes a fifth optional named parameter: "ALWAYS_PLAINTEXT". As
# its name states, it marks whether the image should be flashed as plain text or
# not. If build macro CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT is set and
# this parameter is provided, then the image will be flahsed as plain text
# (not encrypted) on the target. This parameter will be ignored if build macro
# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT is not set.
function(esptool_py_flash_target_image target_name image_name offset image)
set(options ALWAYS_PLAINTEXT)
idf_build_get_property(build_dir BUILD_DIR)
file(RELATIVE_PATH image ${build_dir} ${image})
cmake_parse_arguments(arg "${options}" "" "" "${ARGN}")
# Check if the image has to be plain text or not, depending on the macro
# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT and the parameter
# ALWAYS_PLAINTEXT
set(encrypted false)
if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT AND
NOT arg_ALWAYS_PLAINTEXT)
set(encrypted true)
endif()
# In the following snippet of code, some properties are defined for our
# current target. These properties will be used to generate the actual
# target_name_args files using the target_name_args.in files.
# Please see function esptool_py_flash_target above for more information
# about these properties and how they are used.
# Add the image file, with its offset, to the list of files to
# flash to the target. No matter whether flash encryption is
# enabled or not, plain binaries (non-encrypted) need to be
# generated
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}\",\
\"encrypted\" : \"${encrypted}\" }")
set_property(TARGET ${target_name} APPEND PROPERTY IMAGES "${offset} ${image}")
if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT)
# When flash encryption mode is enabled, if the current binary needs to
# be encrypted, do the same as previously but prefixing target names
# with "encrypted-".
if(encrypted)
set_property(TARGET encrypted-${target_name} APPEND PROPERTY FLASH_FILE
"\"${offset}\" : \"${image}\"")
set_property(TARGET encrypted-${target_name} APPEND PROPERTY FLASH_ENTRY
"\"${image_name}\" : { \"offset\" : \"${offset}\", \"file\" : \"${image}\" , \
\"encrypted\" : \"${encrypted}\" }")
set_property(TARGET encrypted-${target_name} APPEND PROPERTY ENCRYPTED_IMAGES "${offset} ${image}")
else()
# The target doesn't need to be encrypted, thus, add the current
# file to the NON_ENCRYPTED_IMAGES property
set_property(TARGET encrypted-${target_name} APPEND PROPERTY NON_ENCRYPTED_IMAGES "${offset} ${image}")
endif()
endif()
endfunction()
# Use this function to generate a ternary expression that will be evaluated.
# - retexpr is the expression returned by the function
# - condition is the expression evaluated to a boolean
# - condtrue is the expression to evaluate if condition is true
# - condfalse is the expression to evaluate if condition is false
# This function can be summarized as:
# retexpr = condition ? condtrue : condfalse
function(if_expr_generator retexpr condition condtrue condfalse)
# CMake version 3.8 and above provide a ternary operator for expression
# generator. For version under, we must simulate this behaviour
if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
# If condtrue is not empty, then we have to do something in case the
# condition is true. Generate the expression that will be used in that
# case
if(condtrue)
set(iftrue "$<${condition}:${condtrue}>")
endif()
# Same for condfalse. If it is empty, it is useless to create an
# expression that will be evaluated later
if(condfalse)
set(iffalse "$<$<NOT:${condition}>:${condfalse}>")
endif()
# Concatenate the previously generated expressions. If one of them was
# not initialized (because of empty condtrue/condfalse) it will be
# replaced by an empty string
set(${retexpr} "${iftrue}${iffalse}" PARENT_SCOPE)
else()
# CMake 3.8 and above implement what we want, making the expression
# simpler
set(${retexpr} "$<IF:${condition},${condtrue},${condfalse}>" PARENT_SCOPE)
endif()
endfunction()
function(esptool_py_flash_target target_name main_args sub_args)
set(single_value OFFSET IMAGE) # template file to use to be able to
# flash the image individually using esptool
set(options ALWAYS_PLAINTEXT)
cmake_parse_arguments(_ "${options}" "${single_value}" "" "${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 "SERIAL_TOOL=${ESPTOOLPY}"
-D "SERIAL_TOOL_ARGS=${main_args};write_flash;@${target_name}_args"
-D "WORKING_DIRECTORY=${build_dir}"
-P ${esptool_py_dir}/run_serial_tool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
VERBATIM
)
set_target_properties(${target_name} PROPERTIES SUB_ARGS "${sub_args}")
# Create the expression that contains the list of file names to pass
# to esptool script
set(flash_args_content "$<JOIN:$<TARGET_PROPERTY:${target_name},SUB_ARGS>, >\n\
$<JOIN:$<TARGET_PROPERTY:${target_name},IMAGES>,\n>")
# Write the previous expression to the target_name_args.in file
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${target_name}_args.in"
CONTENT "${flash_args_content}")
# Generate the actual expression value from the content of the file
# we just wrote
file(GENERATE OUTPUT "${build_dir}/${target_name}_args"
INPUT "${CMAKE_CURRENT_BINARY_DIR}/${target_name}_args.in")
# Check if the target has to be plain text or not, depending on the macro
# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT and the parameter
# ALWAYS_PLAINTEXT
set(encrypted FALSE)
if(CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT AND
NOT __ALWAYS_PLAINTEXT)
set(encrypted TRUE)
endif()
# If the file needs to be encrypted, create a target file that lets the user
# flash this partition independently from other files.
# For example, if 'target_name' is app-flash and 'encrypted' is TRUE,
# 'build' directory will contain a file name 'encrypted_app-flash_args'
if(${encrypted})
add_custom_target(encrypted-${target_name}
COMMAND ${CMAKE_COMMAND}
-D "IDF_PATH=${idf_path}"
-D "SERIAL_TOOL=${ESPTOOLPY}"
-D "SERIAL_TOOL_ARGS=${main_args};write_flash;@encrypted_${target_name}_args"
-D "WORKING_DIRECTORY=${build_dir}"
-P ${esptool_py_dir}/run_serial_tool.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
USES_TERMINAL
VERBATIM
)
# Generate the parameters for esptool.py command
# In case we have both non encrypted and encrypted files to flash, we
# can use --encrypt-files parameter to specify which ones should be
# encrypted.
# If we only have encrypted images to flash, we must use legacy
# --encrypt parameter.
# As the properties ENCRYPTED_IMAGES and NON_ENCRYPTED_IMAGES have not
# been geenrated yet, we must use CMake expression generator to test
# which esptool.py options we can use.
# The variable has_non_encrypted_image will be evaluated to "1" if some
# images must not be encrypted. This variable will be used in the next
# expression
set(has_non_encrypted_images "$<BOOL:$<TARGET_PROPERTY:\
encrypted-${target_name},NON_ENCRYPTED_IMAGES>>")
# Prepare esptool arguments (--encrypt or --encrypt-files)
if_expr_generator(if_non_enc_expr ${has_non_encrypted_images}
"" "--encrypt")
set_target_properties(encrypted-${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()