127 lines
4.9 KiB
CMake
127 lines
4.9 KiB
CMake
# Copyright (c) 2021-2023 Nordic Semiconductor
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#
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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20)
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if(NOT DEFINED APP_DIR)
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message(FATAL_ERROR "No main application specified")
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endif()
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# This will update the APP_DIR cache variable to PATH type and apply a comment.
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# If APP_DIR is a relative path, then CMake will adjust to absolute path based
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# on current working dir.
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set(APP_DIR ${APP_DIR} CACHE PATH "Main Application Source Directory")
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# Add sysbuild/cmake/modules to CMAKE_MODULE_PATH which allows us to integrate
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# sysbuild CMake modules with general Zephyr CMake modules.
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake/modules)
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# List of Zephyr and sysbuild CMake modules we need for sysbuild.
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# Note: sysbuild_kconfig will internally load kconfig CMake module.
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set(zephyr_modules extensions sysbuild_extensions python west root zephyr_module boards shields sysbuild_kconfig)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE} COMPONENTS ${zephyr_modules})
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project(sysbuild LANGUAGES)
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# Global list of images enabled in this multi image build system.
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set(IMAGES)
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get_filename_component(APP_DIR ${APP_DIR} ABSOLUTE)
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get_filename_component(app_name ${APP_DIR} NAME)
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# Include zephyr modules generated sysbuild CMake file.
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foreach(SYSBUILD_CURRENT_MODULE_NAME ${SYSBUILD_MODULE_NAMES})
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# Note the second, binary_dir parameter requires the added
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# subdirectory to have its own, local cmake target(s). If not then
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# this binary_dir is created but stays empty. Object files land in
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# the main binary dir instead.
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# https://cmake.org/pipermail/cmake/2019-June/069547.html
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zephyr_string(SANITIZE TOUPPER MODULE_NAME_UPPER ${SYSBUILD_CURRENT_MODULE_NAME})
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if(NOT ${SYSBUILD_${MODULE_NAME_UPPER}_CMAKE_DIR} STREQUAL "")
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set(SYSBUILD_CURRENT_MODULE_DIR ${SYSBUILD_${MODULE_NAME_UPPER}_MODULE_DIR})
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set(SYSBUILD_CURRENT_CMAKE_DIR ${SYSBUILD_${MODULE_NAME_UPPER}_CMAKE_DIR})
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add_subdirectory(${SYSBUILD_CURRENT_CMAKE_DIR} ${CMAKE_BINARY_DIR}/modules/${SYSBUILD_CURRENT_MODULE_NAME})
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endif()
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endforeach()
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# Done processing modules, clear SYSBUILD_CURRENT_MODULE_DIR and SYSBUILD_CURRENT_CMAKE_DIR.
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set(SYSBUILD_CURRENT_MODULE_DIR)
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set(SYSBUILD_CURRENT_CMAKE_DIR)
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# Propagate bootloader and signing settings from this system to the MCUboot and
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# application image build systems.
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if(SB_CONFIG_BOOTLOADER_MCUBOOT)
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set(${app_name}_CONFIG_BOOTLOADER_MCUBOOT y CACHE STRING
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"MCUBOOT is enabled as bootloader" FORCE
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)
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set(${app_name}_CONFIG_MCUBOOT_SIGNATURE_KEY_FILE
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\"${SB_CONFIG_BOOT_SIGNATURE_KEY_FILE}\" CACHE STRING
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"Signature key file for signing" FORCE
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)
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if(SB_CONFIG_BOOT_SIGNATURE_TYPE_NONE)
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set(${app_name}_CONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE y CACHE STRING
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"MCUBOOT is configured for checksum mode" FORCE
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)
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endif()
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# Set corresponding values in mcuboot
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set(mcuboot_CONFIG_BOOT_SIGNATURE_TYPE_${SB_CONFIG_SIGNATURE_TYPE} y CACHE STRING
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"MCUBOOT signature type" FORCE
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)
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set(mcuboot_CONFIG_BOOT_SIGNATURE_KEY_FILE
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\"${SB_CONFIG_BOOT_SIGNATURE_KEY_FILE}\" CACHE STRING
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"Signature key file for signing" FORCE
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)
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else()
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set(${app_name}_CONFIG_BOOTLOADER_MCUBOOT n CACHE STRING
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"MCUBOOT is disabled as bootloader" FORCE
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)
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endif()
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# This adds the primary application to the build.
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ExternalZephyrProject_Add(
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APPLICATION ${app_name}
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SOURCE_DIR ${APP_DIR}
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MAIN_APP
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)
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list(APPEND IMAGES "${app_name}")
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set(DEFAULT_IMAGE "${app_name}")
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add_subdirectory(bootloader)
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# This allows for board and app specific images to be included.
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include(${BOARD_DIR}/sysbuild.cmake OPTIONAL)
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# This allows image specific sysbuild.cmake to be processed.
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list(LENGTH IMAGES images_length)
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while(NOT "${images_length}" EQUAL "${processed_length}")
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foreach(image ${IMAGES})
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if(NOT image IN_LIST images_sysbuild_processed)
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ExternalProject_Get_property(${image} SOURCE_DIR)
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include(${SOURCE_DIR}/sysbuild.cmake OPTIONAL)
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list(APPEND images_sysbuild_processed ${image})
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endif()
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endforeach()
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list(LENGTH IMAGES images_length)
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list(LENGTH images_sysbuild_processed processed_length_new)
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# Check for any duplicate entries in image names to prevent an infinite loop
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if("${processed_length_new}" EQUAL "${processed_length}")
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# Image length was different than processed length, but no new images are processed.
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message(FATAL_ERROR "A duplicate image name was provided, image names must be unique.")
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endif()
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set(processed_length ${processed_length_new})
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endwhile()
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sysbuild_module_call(PRE_CMAKE MODULES ${SYSBUILD_MODULE_NAMES} IMAGES ${IMAGES})
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foreach(image ${IMAGES})
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ExternalZephyrProject_Cmake(APPLICATION ${image})
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endforeach()
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sysbuild_module_call(POST_CMAKE MODULES ${SYSBUILD_MODULE_NAMES} IMAGES ${IMAGES})
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sysbuild_module_call(PRE_DOMAINS MODULES ${SYSBUILD_MODULE_NAMES} IMAGES ${IMAGES})
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include(cmake/domains.cmake)
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sysbuild_module_call(POST_DOMAINS MODULES ${SYSBUILD_MODULE_NAMES} IMAGES ${IMAGES})
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