feat(cmakev2/kconfig): Added support for Kconfig output generation

The following functions are added to tools/cmakev2/kconfig.cmake:
- __generate_kconfig_outputs(): Generates Kconfig output files.
- __create_base_kconfgen_command(): Creates command for running
  kconfgen.
- __run_kconfgen(): Invokes kconfgen tool.
This commit is contained in:
Sudeep Mohanty
2025-11-04 07:48:12 +01:00
committed by Frantisek Hrbata
parent a1ad224e09
commit be176a0a6d
+263
View File
@@ -351,3 +351,266 @@ function(__create_config_env_file env_path)
idf_dbg("Created config environment file: ${env_path}")
endfunction()
# =============================================================================
# KCONFIG OUTPUT GENERATION FUNCTIONS
# =============================================================================
#[[
__generate_kconfig_outputs()
Generate all Kconfig output files.
Generates: sdkconfig.h, sdkconfig.cmake, sdkconfig.json, kconfig_menus.json
Must be called after __setup_kconfig_environment().
#]]
function(__generate_kconfig_outputs)
# Get inputs from build properties
idf_build_get_property(sdkconfig SDKCONFIG)
idf_build_get_property(sdkconfig_defaults SDKCONFIG_DEFAULTS)
idf_msg("Project sdkconfig file ${sdkconfig}")
# Set up output paths
idf_build_get_property(config_dir CONFIG_DIR)
if(NOT config_dir)
idf_die("Kconfig directory not created. Call __init_kconfig() first.")
endif()
set(sdkconfig_header "${config_dir}/sdkconfig.h")
set(sdkconfig_cmake "${config_dir}/sdkconfig.cmake")
set(sdkconfig_json "${config_dir}/sdkconfig.json")
set(sdkconfig_json_menus "${config_dir}/kconfig_menus.json")
# Create and store base kconfgen command for this generation and target reuse
__create_base_kconfgen_command("${sdkconfig}" "${sdkconfig_defaults}")
# Generate Kconfig outputs using kconfgen
__run_kconfgen("${sdkconfig_header}" "${sdkconfig_cmake}" "${sdkconfig_json}" "${sdkconfig_json_menus}")
# Add the generated config header to build specifications
idf_build_set_property(INCLUDE_DIRECTORIES "${config_dir}" APPEND)
# Set up file dependencies for CMake reconfiguration
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${sdkconfig}")
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${sdkconfig_header}")
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${sdkconfig_cmake}")
# Add dependency on kconfgen tool
idf_build_get_property(idf_path IDF_PATH)
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${idf_path}/tools/kconfig_new/confgen.py")
# Set up clean files
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY
ADDITIONAL_CLEAN_FILES "${sdkconfig_header}" "${sdkconfig_cmake}")
# Store output paths in build properties
idf_build_set_property(__SDKCONFIG_HEADER "${sdkconfig_header}")
idf_build_set_property(__SDKCONFIG_CMAKE "${sdkconfig_cmake}")
idf_build_set_property(__SDKCONFIG_JSON "${sdkconfig_json}")
idf_build_set_property(__SDKCONFIG_JSON_MENUS "${sdkconfig_json_menus}")
idf_msg("Generated Kconfig outputs in ${config_dir}")
endfunction()
#[[
__create_base_kconfgen_command(sdkconfig sdkconfig_defaults)
Create the base kconfgen command and store it as a build property for reuse.
:sdkconfig[in]: Path to sdkconfig file.
:sdkconfig_defaults[in]: List of sdkconfig defaults files.
#]]
function(__create_base_kconfgen_command sdkconfig sdkconfig_defaults)
# Get all necessary properties for base command
idf_build_get_property(python PYTHON)
idf_build_get_property(root_kconfig __ROOT_KCONFIG)
idf_build_get_property(root_sdkconfig_rename __ROOT_SDKCONFIG_RENAME)
idf_build_get_property(config_env_path __CONFIG_ENV_PATH)
idf_build_get_property(target IDF_TARGET)
# Set up defaults arguments
set(defaults_args "")
if(sdkconfig_defaults)
foreach(default_file IN LISTS sdkconfig_defaults)
list(APPEND defaults_args "--defaults" "${default_file}")
if(EXISTS "${default_file}.${target}")
list(APPEND defaults_args "--defaults" "${default_file}.${target}")
endif()
endforeach()
endif()
# Create base kconfgen command
set(base_kconfgen_cmd ${python} -m kconfgen
--list-separator=semicolon
--kconfig "${root_kconfig}"
--sdkconfig-rename "${root_sdkconfig_rename}"
--config "${sdkconfig}"
${defaults_args}
--env-file "${config_env_path}")
# Store base command as a build property
idf_build_set_property(__BASE_KCONFGEN_CMD "${base_kconfgen_cmd}")
endfunction()
#[[
__run_kconfgen(header_path cmake_path json_path menus_path)
Run kconfgen and generate all output files using the stored base command.
Assumes that the base command is already created by __create_base_kconfgen_command().
:header_path[in]: Path for sdkconfig.h output.
:cmake_path[in]: Path for sdkconfig.cmake output.
:json_path[in]: Path for sdkconfig.json output.
:menus_path[in]: Path for kconfig_menus.json output.
#]]
function(__run_kconfgen header_path cmake_path json_path menus_path)
idf_build_get_property(base_kconfgen_cmd __BASE_KCONFGEN_CMD)
idf_build_get_property(sdkconfig SDKCONFIG)
# Create full command with output file paths
set(kconfgen_cmd ${base_kconfgen_cmd}
--output header "${header_path}"
--output cmake "${cmake_path}"
--output json "${json_path}"
--output json_menus "${menus_path}"
--output config "${sdkconfig}"
)
idf_dbg("Running kconfgen: ${kconfgen_cmd}")
execute_process(
COMMAND ${kconfgen_cmd}
RESULT_VARIABLE kconfgen_result
)
if(kconfgen_result)
idf_die("Failed to run kconfgen: ${kconfgen_result}")
endif()
endfunction()
# =============================================================================
# KCONFIG TARGETS FUNCTIONS
# =============================================================================
#[[
__create_kconfig_targets()
Create Kconfig related targets.
This function must be called after all kconfig processing is complete, including
the component manager. It creates the following targets:
- menuconfig
- confserver
- save-defconfig
#]]
function(__create_kconfig_targets)
# Create Kconfig targets
__create_menuconfig_target()
__create_confserver_target()
__create_save_defconfig_target()
endfunction()
#[[
__create_menuconfig_target()
Create menuconfig target.
#]]
function(__create_menuconfig_target)
idf_build_get_property(python PYTHON)
idf_build_get_property(idf_path IDF_PATH)
idf_build_get_property(prepare_cmd __PREPARE_KCONFIG_CMD)
idf_build_get_property(kconfgen_cmd __BASE_KCONFGEN_CMD)
idf_build_get_property(sdkconfig SDKCONFIG)
idf_build_get_property(root_kconfig __ROOT_KCONFIG)
idf_build_get_property(build_dir BUILD_DIR)
idf_build_get_property(target IDF_TARGET)
idf_build_get_property(toolchain IDF_TOOLCHAIN)
idf_build_get_property(idf_init_version __IDF_INIT_VERSION)
idf_build_get_property(idf_env_fpga __IDF_ENV_FPGA)
# Set up kconfig source file paths
set(kconfigs_path "${build_dir}/kconfigs.in")
set(kconfigs_projbuild_path "${build_dir}/kconfigs_projbuild.in")
add_custom_target(menuconfig
# Prepare Kconfig source files
COMMAND ${prepare_cmd}
# Generate config with current settings
COMMAND ${kconfgen_cmd}
--env "IDF_TARGET=${target}"
--env "IDF_TOOLCHAIN=${toolchain}"
--env "IDF_ENV_FPGA=${idf_env_fpga}"
--env "IDF_INIT_VERSION=${idf_init_version}"
--dont-write-deprecated
--output config ${sdkconfig}
# Check terminal capabilities
COMMAND ${python} "${idf_path}/tools/check_term.py"
# Run menuconfig
COMMAND ${CMAKE_COMMAND} -E env
"COMPONENT_KCONFIGS_SOURCE_FILE=${kconfigs_path}"
"COMPONENT_KCONFIGS_PROJBUILD_SOURCE_FILE=${kconfigs_projbuild_path}"
"KCONFIG_CONFIG=${sdkconfig}"
"IDF_TARGET=${target}"
"IDF_TOOLCHAIN=${toolchain}"
"IDF_ENV_FPGA=${idf_env_fpga}"
"IDF_INIT_VERSION=${idf_init_version}"
${python} -m menuconfig "${root_kconfig}"
# Post-menuconfig: insert deprecated options for backward compatibility
COMMAND ${kconfgen_cmd}
--env "IDF_TARGET=${target}"
--env "IDF_TOOLCHAIN=${toolchain}"
--env "IDF_ENV_FPGA=${idf_env_fpga}"
--env "IDF_INIT_VERSION=${idf_init_version}"
--output config "${sdkconfig}"
USES_TERMINAL
COMMENT "Running menuconfig..."
)
endfunction()
#[[
__create_confserver_target()
Create confserver target.
#]]
function(__create_confserver_target)
idf_build_get_property(python PYTHON)
idf_build_get_property(prepare_cmd __PREPARE_KCONFIG_CMD)
idf_build_get_property(sdkconfig SDKCONFIG)
idf_build_get_property(root_kconfig __ROOT_KCONFIG)
idf_build_get_property(root_sdkconfig_rename __ROOT_SDKCONFIG_RENAME)
idf_build_get_property(config_env_path __CONFIG_ENV_PATH)
add_custom_target(confserver
# Prepare Kconfig source files
COMMAND ${prepare_cmd}
# Run confserver
COMMAND ${python} -m kconfserver
--env-file "${config_env_path}"
--kconfig "${root_kconfig}"
--sdkconfig-rename "${root_sdkconfig_rename}"
--config "${sdkconfig}"
VERBATIM
USES_TERMINAL
COMMENT "Running confserver..."
)
endfunction()
#[[
__create_save_defconfig_target()
Create save-defconfig target.
#]]
function(__create_save_defconfig_target)
idf_build_get_property(prepare_cmd __PREPARE_KCONFIG_CMD)
idf_build_get_property(kconfgen_cmd __BASE_KCONFGEN_CMD)
add_custom_target(save-defconfig
# Prepare Kconfig source files
COMMAND ${prepare_cmd}
# Generate save-defconfig
COMMAND ${kconfgen_cmd}
--dont-write-deprecated
--output savedefconfig "${CMAKE_SOURCE_DIR}/sdkconfig.defaults"
USES_TERMINAL
COMMENT "Saving defconfig..."
)
endfunction()