# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.

cmake_minimum_required(VERSION 3.20.0)

include(ExternalProject)

set(KEY_DEFAULT "$ENV{HOME}/mcuboot/key.pem")
set(KEY ${KEY_DEFAULT} CACHE STRING "Firmware signing key path")
message(STATUS "Firmware signing key path: ${KEY}")

set(BOARD_DEFAULT "native_sim/native/64")
set(BOARD ${BOARD_DEFAULT} CACHE STRING "Zephyr board identifier")
message(STATUS "Selected board: ${BOARD}")

add_subdirectory(rtos)
string(REPLACE ";" "," ZEPHYR_MODULES_COMMA "${ZEPHYR_MODULES}")

if(BOARD STREQUAL "nucleo_f767zi")
	ExternalProject_Add(
		btl
		PREFIX btl
		SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/rtos/modules/mcuboot/boot/zephyr"
		BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/btl"
		INSTALL_COMMAND ""
		LIST_SEPARATOR ","
		CMAKE_ARGS
			"-DBOARD=${BOARD}"
			"-DZEPHYR_BASE=${ZEPHYR_BASE}"
			"-DZEPHYR_MODULES=${ZEPHYR_MODULES_COMMA}"
			"-DEXTRA_CONF_FILE=${CMAKE_CURRENT_SOURCE_DIR}/btl/bootloader.conf"
			-DCONFIG_BOOT_SIGNATURE_KEY_FILE="${KEY}"
	)
endif()

add_subdirectory(app)