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#----------------------------------------------------------------------------
# Copyright (c) 2022 Arm Limited. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#----------------------------------------------------------------------------
#########################################################
# Generic CMSIS Start up library for Cortex-M targets #
#########################################################
cmake_minimum_required(VERSION 3.15.6)
set(CMSIS_DEVICE_TARGET cmsis_device)
project(${CMSIS_DEVICE_TARGET}
DESCRIPTION "Generic CMSIS start up file for Cortex-M targets"
LANGUAGES C CXX ASM)
# 1. We should be cross-compiling (non-native target)
if (NOT ${CMAKE_CROSSCOMPILING})
message(FATAL_ERROR "No ${CMSIS_DEVICE_TARGET} support for this target.")
endif()
# 2. Check if CMSIS sources have been defined
if (NOT DEFINED CMSIS_SRC_PATH)
message(FATAL_ERROR "CMSIS_SRC_PATH path should be defined for ${CMSIS_DEVICE_TARGET}.")
endif()
# 3. Create static library
add_library(${CMSIS_DEVICE_TARGET} STATIC)
## Include directories - public
target_include_directories(${CMSIS_DEVICE_TARGET}
PUBLIC
include
${CMSIS_SRC_PATH}/CMSIS/Core/Include
${CMSIS_SRC_PATH}/Device/ARM/${ARM_CPU}/Include
${CMSIS_SRC_PATH}/Device/ARM/${ARM_CPU}/Include/Template)
## Sources
target_sources(${CMSIS_DEVICE_TARGET}
PUBLIC
source/handlers.c)
target_sources(${CMSIS_DEVICE_TARGET}
PRIVATE
${CMSIS_SRC_PATH}/Device/ARM/${ARM_CPU}/Source/system_${ARM_CPU}.c
${CMSIS_SRC_PATH}/Device/ARM/${ARM_CPU}/Source/startup_${ARM_CPU}.c)
# Device definition needs to be set, is checked in source files to include correct header
target_compile_definitions(${CMSIS_DEVICE_TARGET} PUBLIC ${ARM_CPU})
# Tell linker that reset interrupt handler is our entry point
target_link_options(
${CMSIS_DEVICE_TARGET}
INTERFACE
--entry Reset_Handler)
# Check if semihosting configuration is available
if (COMMAND configure_semihosting)
configure_semihosting(${CMSIS_DEVICE_TARGET} OFF)
endif()
# 4 Display status:
message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
message(STATUS "*******************************************************")
message(STATUS "Library : " ${CMSIS_DEVICE_TARGET})
message(STATUS "CMAKE_SYSTEM_PROCESSOR : " ${CMAKE_SYSTEM_PROCESSOR})
message(STATUS "*******************************************************")
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