zephyr/share/sysbuild/CMakeLists.txt

74 lines
2.4 KiB
CMake

# Copyright (c) 2021 Nordic Semiconductor
#
# SPDX-License-Identifier: Apache-2.0
cmake_minimum_required(VERSION 3.20)
if(NOT DEFINED APP_DIR)
message(FATAL_ERROR "No main application specified")
endif()
# This will update the APP_DIR cache variable to PATH type and apply a comment.
# If APP_DIR is a relative path, then CMake will adjust to absolute path based
# on current working dir.
set(APP_DIR ${APP_DIR} CACHE PATH "Main Application Source Directory")
# Add sysbuild/cmake/modules to CMAKE_MODULE_PATH which allows us to integrate
# sysbuild CMake modules with general Zephyr CMake modules.
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake/modules)
# List of Zephyr and sysbuild CMake modules we need for sysbuild.
# Note: sysbuild_kconfig will internally load kconfig CMake module.
set(zephyr_modules extensions sysbuild_extensions python west root zephyr_module boards shields sysbuild_kconfig)
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE} COMPONENTS ${zephyr_modules})
project(sysbuild LANGUAGES)
# Global list of images enabled in this multi image build system.
set(IMAGES)
get_filename_component(APP_DIR ${APP_DIR} ABSOLUTE)
get_filename_component(app_name ${APP_DIR} NAME)
# Propagate bootloader and signing settings from this system to the MCUboot and
# application image build systems.
if(SB_CONFIG_BOOTLOADER_MCUBOOT)
set(${app_name}_CONFIG_BOOTLOADER_MCUBOOT y CACHE STRING
"MCUBOOT is enabled as bootloader" FORCE
)
set(${app_name}_CONFIG_MCUBOOT_SIGNATURE_KEY_FILE
\"${SB_CONFIG_BOOT_SIGNATURE_KEY_FILE}\" CACHE STRING
"Signature key file for signing" FORCE
)
# Set corresponding values in mcuboot
set(mcuboot_CONFIG_BOOT_SIGNATURE_TYPE_${SB_CONFIG_SIGNATURE_TYPE} y CACHE STRING
"MCUBOOT signature type" FORCE
)
set(mcuboot_CONFIG_BOOT_SIGNATURE_KEY_FILE
\"${SB_CONFIG_BOOT_SIGNATURE_KEY_FILE}\" CACHE STRING
"Signature key file for signing" FORCE
)
else()
set(${app_name}_CONFIG_BOOTLOADER_MCUBOOT n CACHE STRING
"MCUBOOT is disabled as bootloader" FORCE
)
endif()
# This adds the primary application to the build.
ExternalZephyrProject_Add(
APPLICATION ${app_name}
SOURCE_DIR ${APP_DIR}
MAIN_APP
)
list(APPEND IMAGES "${app_name}")
set(DEFAULT_IMAGE "${app_name}")
add_subdirectory(bootloader)
# This allows for board and app specific images to be included.
include(${BOARD_DIR}/sysbuild.cmake OPTIONAL)
include(${APP_DIR}/sysbuild.cmake OPTIONAL)
include(cmake/domains.cmake)