106 lines
3.3 KiB
CMake
106 lines
3.3 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
cmake_minimum_required(VERSION 3.13.1)
|
|
|
|
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
|
|
|
|
project(tfm_psa_firmware)
|
|
|
|
|
|
if (NOT CONFIG_APP_FIRMWARE_UPDATE_IMAGE)
|
|
message(FATAL_ERROR "CONFIG_APP_FIRMWARE_UPDATE_IMAGE required")
|
|
endif()
|
|
|
|
# NOTE: These must not include ${CMAKE_BINARY_DIR} otherwise you get an
|
|
# absolute path as part of the C symbols in the generated object file.
|
|
# This is difficult to use in a correct and portable way. Instead, we will
|
|
# take advantage of running everything from within the build directory.
|
|
set(UPDATE_SIGNED_HEX update-signed.hex)
|
|
set(UPDATE_BIN update-image.bin)
|
|
set(UPDATE_OBJ update-image.o)
|
|
set(UPDATE_HEADER_BIN update-header.bin)
|
|
set(UPDATE_HEADER_OBJ update-header.o)
|
|
|
|
# The following sequence of add_custom_command calls builds a dependency
|
|
# graph of all the bits we need to sign# an image. The process looks
|
|
# something like:
|
|
#
|
|
# [(1) sample.hex ]
|
|
# |
|
|
# v
|
|
# [(2) sign with imgtool ]
|
|
# |
|
|
# v
|
|
# [(3) split-header.py ]
|
|
# | |
|
|
# app | | header
|
|
# v v
|
|
# [(4,5) objdump bin to obj ]
|
|
# | |
|
|
# app obj | | header obj
|
|
# v v
|
|
# [(6) target_sources(..) ]
|
|
#
|
|
# Note that node (1) is an input.
|
|
|
|
# This is duplicated from the trusted-firmware-m CMakeLists.txt, as this
|
|
# needs it and CMAKE does not allow us to import the varibales from that
|
|
# directory.
|
|
set(TFM_MCUBOOT_DIR "${ZEPHYR_TRUSTED_FIRMWARE_M_MODULE_DIR}/bl2/ext/mcuboot")
|
|
# Node (2) in the above graphic
|
|
add_custom_command(
|
|
DEPENDS ${CONFIG_APP_FIRMWARE_UPDATE_IMAGE}
|
|
OUTPUT ${UPDATE_SIGNED_HEX}
|
|
COMMAND ${CMAKE_COMMAND} -E env PYTHONPATH=${ZEPHYR_MCUBOOT_MODULE_DIR}/scripts
|
|
${PYTHON_EXECUTABLE}
|
|
${TFM_MCUBOOT_DIR}/scripts/wrapper/wrapper.py
|
|
--layout "${CMAKE_BINARY_DIR}/tfm/bl2/ext/mcuboot/CMakeFiles/signing_layout_ns.dir/signing_layout_ns.o"
|
|
-k ${CONFIG_TFM_KEY_FILE_NS}
|
|
--public-key-format "full"
|
|
--align 1
|
|
-v ${CONFIG_APP_FIRMWARE_UPDATE_IMAGE_VERSION}
|
|
--pad
|
|
-s auto
|
|
-H ${CONFIG_ROM_START_OFFSET}
|
|
${CONFIG_APP_FIRMWARE_UPDATE_IMAGE}
|
|
${UPDATE_SIGNED_HEX}
|
|
)
|
|
|
|
# Node (3) in the above graphic
|
|
add_custom_command(
|
|
OUTPUT ${UPDATE_HEADER_BIN}
|
|
OUTPUT ${UPDATE_BIN}
|
|
DEPENDS ${UPDATE_SIGNED_HEX}
|
|
COMMAND ${PYTHON_EXECUTABLE}
|
|
${CMAKE_CURRENT_LIST_DIR}/split-header.py
|
|
${UPDATE_SIGNED_HEX}
|
|
${UPDATE_BIN}
|
|
${UPDATE_HEADER_BIN}
|
|
)
|
|
|
|
# Node (4) in the above graphic
|
|
add_custom_command(
|
|
OUTPUT ${UPDATE_HEADER_OBJ}
|
|
DEPENDS ${UPDATE_HEADER_BIN}
|
|
COMMAND ${CMAKE_OBJCOPY} -I binary -O elf32-littlearm -B arm
|
|
${UPDATE_HEADER_BIN}
|
|
${UPDATE_HEADER_OBJ}
|
|
)
|
|
|
|
# Node (5) in the above graphic
|
|
add_custom_command(
|
|
OUTPUT ${UPDATE_OBJ}
|
|
DEPENDS ${UPDATE_BIN}
|
|
COMMAND ${CMAKE_OBJCOPY} -I binary -O elf32-littlearm -B arm
|
|
${UPDATE_BIN}
|
|
${UPDATE_OBJ}
|
|
)
|
|
|
|
# Source files in this sample
|
|
# Node (6) in the above graphic
|
|
target_sources(app PRIVATE src/main.c ${UPDATE_OBJ} ${UPDATE_HEADER_OBJ})
|
|
|
|
target_include_directories(app PRIVATE
|
|
$<TARGET_PROPERTY:tfm,TFM_BINARY_DIR>/install/interface/include
|
|
)
|