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Merge pull request #13566 from ARMmbed/feature-cmake
CMake: Add initial support
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‎.gitignore

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# Directory used to clone and build TF-M
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features/FEATURE_EXPERIMENTAL_API/FEATURE_PSA/TARGET_TFM/TARGET_IGNORE/
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# CMake
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CMakeCache.txt
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cmake_install.cmake
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CMakeFiles/

‎.travis.yml

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cache:
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pip: true
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ccache: true
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directories:
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- ${HOME}/.cache/deps
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- ${HOME}/.ccache
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before_install:
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- source tools/test/travis-ci/functions.sh
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addons:
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apt:
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packages:
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- ninja-build
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matrix:
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include:
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':!*tests/*' ':!*targets/*' ':!*TARGET_*' ':!*unsupported/*' \
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':!*events/tests/*' ':!*drivers/tests/*'
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109-
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### Docs Tests ###
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- &docs-vm
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stage: "Docs"

‎CMakeLists.txt

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# Copyright (c) 2020 ARM Limited. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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# This is the boilerplate for Mbed OS
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cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
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# Using relative paths behavior
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if(POLICY CMP0076)
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cmake_policy(SET CMP0076 NEW)
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endif()
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include(${MBED_CONFIG_PATH}/mbed_config.cmake)
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include(${MBED_PATH}/tools/cmake/core.cmake)
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add_library(mbed-core INTERFACE)
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add_library(mbed-os INTERFACE)
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target_link_libraries(mbed-os
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INTERFACE
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mbed-rtos
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mbed-core
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)
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add_library(mbed-baremetal INTERFACE)
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target_link_libraries(mbed-baremetal
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INTERFACE
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mbed-core
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)
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# Validate selected C library type
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# The C library type selected has to match the library that the target can support
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if(${MBED_C_LIB} STREQUAL "small")
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if(NOT "small" IN_LIST MBED_TARGET_SUPPORTED_C_LIBS)
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if("std" IN_LIST MBED_TARGET_SUPPORTED_C_LIBS)
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message(WARNING
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"We noticed that target.c_lib is set to `${MBED_C_LIB}`."
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" As the ${MBED_TARGET} target does not support a small C library for the ${MBED_TOOLCHAIN} toolchain,"
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" we are using the standard C library instead."
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)
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set(MBED_C_LIB "std" CACHE STRING "")
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endif()
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endif()
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elseif(NOT ${MBED_C_LIB} IN_LIST MBED_TARGET_SUPPORTED_C_LIBS)
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message(FATAL_ERROR
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"Invalid `target.c_lib` ('${MBED_C_LIB}') for '${MBED_TARGET}' target."
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"\nPossible value(s): ${MBED_TARGET_SUPPORTED_C_LIBS}"
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)
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endif()
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# Validate selected printf library
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set(MBED_PRINTF_LIB_TYPES std minimal-printf)
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if(NOT ${MBED_PRINTF_LIB} IN_LIST MBED_PRINTF_LIB_TYPES)
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message(FATAL_ERROR
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"Invalid printf library type '${MBED_PRINTF_LIB}'. Possible values:\n ${MBED_PRINTF_LIB_TYPES}"
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)
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endif()
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mbed_set_cpu_core_definitions(mbed-core)
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if(${MBED_TOOLCHAIN_FILE_USED})
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mbed_set_cpu_core_options(mbed-core ${MBED_TOOLCHAIN})
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mbed_set_toolchain_options(mbed-core)
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mbed_set_profile_options(mbed-core ${MBED_TOOLCHAIN})
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mbed_set_c_lib(mbed-core ${MBED_C_LIB})
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mbed_set_printf_lib(mbed-core ${MBED_PRINTF_LIB})
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endif()
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set(MBED_TARGET_LABELS
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${MBED_TARGET_LABELS} CACHE INTERNAL ""
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)
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target_compile_definitions(mbed-core
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INTERFACE
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${MBED_TARGET_DEFINITIONS}
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${MBED_CONFIG_DEFINITIONS}
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)
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# Add compile definitions for backward compatibility with the toolchain
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# supported. New source files should instead check for __GNUC__ and __clang__
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# for the GCC_ARM and ARM toolchains respectively.
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if(${MBED_TOOLCHAIN} STREQUAL "GCC_ARM")
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target_compile_definitions(mbed-core
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INTERFACE
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TOOLCHAIN_GCC_ARM
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TOOLCHAIN_GCC
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)
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elseif(${MBED_TOOLCHAIN} STREQUAL "ARM")
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target_compile_definitions(mbed-core
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INTERFACE
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TOOLCHAIN_ARM
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)
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endif()
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# Include mbed.h and config from generate folder
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target_include_directories(mbed-core
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INTERFACE
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${CMAKE_CURRENT_SOURCE_DIR}
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)
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# These targets are made visible here so their source files which
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# are spread in different directories can be referenced and can be linked against
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# by libraries that depend on them.
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# TODO CMake: Should the source files be moved?
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add_library(mbed-device_key INTERFACE)
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add_library(mbed-rtos INTERFACE)
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add_subdirectory(cmsis)
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add_subdirectory(drivers)
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add_subdirectory(hal)
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add_subdirectory(platform)
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add_subdirectory(rtos)
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add_subdirectory(targets)
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# The directories below contain optional target libraries
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add_subdirectory(events EXCLUDE_FROM_ALL)
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add_subdirectory(connectivity EXCLUDE_FROM_ALL)
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add_subdirectory(storage EXCLUDE_FROM_ALL)
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add_subdirectory(drivers/device_key EXCLUDE_FROM_ALL)
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add_subdirectory(drivers/source/usb EXCLUDE_FROM_ALL)
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add_subdirectory(features EXCLUDE_FROM_ALL)
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add_subdirectory(platform/FEATURE_EXPERIMENTAL_API EXCLUDE_FROM_ALL)
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add_subdirectory(cmsis/CMSIS_5/CMSIS/RTOS2 EXCLUDE_FROM_ALL)
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add_subdirectory(cmsis/device/rtos EXCLUDE_FROM_ALL)
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#
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# Configures the application
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#
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function(mbed_configure_app_target target)
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mbed_set_language_standard(${target})
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endfunction()
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#
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# Specifies linker script used for linking `target`.
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#
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function(mbed_set_mbed_target_linker_script target)
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get_property(mbed_target_linker_script GLOBAL PROPERTY MBED_TARGET_LINKER_FILE)
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if(MBED_TOOLCHAIN STREQUAL "GCC_ARM")
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mbed_generate_gcc_options_for_linker(${target} _linker_preprocess_definitions)
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set(CMAKE_PRE_BUILD_COMMAND
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COMMAND "arm-none-eabi-cpp" ${_linker_preprocess_definitions} -x assembler-with-cpp -E -Wp,-P
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${mbed_target_linker_script} -o ${CMAKE_BINARY_DIR}/${target}.link_script.ld
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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BYPRODUCTS "${CMAKE_BINARY_DIR}/${target}.link_script.ld"
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)
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elseif(MBED_TOOLCHAIN STREQUAL "ARM")
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set(CMAKE_PRE_BUILD_COMMAND COMMAND "")
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target_link_options(mbed-core
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INTERFACE
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"--scatter=${mbed_target_linker_script}"
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)
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endif()
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add_custom_command(
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TARGET
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${target}
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PRE_LINK
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${CMAKE_PRE_BUILD_COMMAND}
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COMMENT
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"Link line:"
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VERBATIM
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)
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endfunction()
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#
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# Converts output file of `target` to binary file and to Intel HEX file.
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#
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function(mbed_generate_bin_hex target)
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get_property(elf_to_bin GLOBAL PROPERTY ELF2BIN)
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if(MBED_TOOLCHAIN STREQUAL "GCC_ARM")
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set(CMAKE_POST_BUILD_COMMAND
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COMMAND ${elf_to_bin} -O binary $<TARGET_FILE:${target}> ${CMAKE_BINARY_DIR}/${target}.bin
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COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${CMAKE_BINARY_DIR}/${target}.bin"
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COMMAND ${elf_to_bin} -O ihex $<TARGET_FILE:${target}> ${CMAKE_BINARY_DIR}/${target}.hex
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COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${CMAKE_BINARY_DIR}/${target}.hex"
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)
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elseif(MBED_TOOLCHAIN STREQUAL "ARM")
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get_property(mbed_studio_arm_compiler GLOBAL PROPERTY MBED_STUDIO_ARM_COMPILER)
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set(CMAKE_POST_BUILD_COMMAND
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COMMAND ${elf_to_bin} ${mbed_studio_arm_compiler} --bin -o ${CMAKE_BINARY_DIR}/${target}.bin $<TARGET_FILE:${target}>
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COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${CMAKE_BINARY_DIR}/${target}.bin"
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COMMAND ${elf_to_bin} ${mbed_studio_arm_compiler} --i32combined -o ${CMAKE_BINARY_DIR}/${target}.hex $<TARGET_FILE:${target}>
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COMMAND ${CMAKE_COMMAND} -E echo "-- built: ${CMAKE_BINARY_DIR}/${target}.hex"
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)
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endif()
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add_custom_command(
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TARGET
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${target}
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POST_BUILD
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${CMAKE_POST_BUILD_COMMAND}
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COMMENT
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"executable:"
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VERBATIM
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)
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endfunction()
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#
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# Parse toolchain generated map file of `target` and display a readable table format.
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#
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function(mbed_generate_map_file target)
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find_package (Python3)
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add_custom_command(
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TARGET
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${target}
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POST_BUILD
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COMMAND ${Python3_EXECUTABLE} ${MBED_PATH}/tools/memap.py -t ${MBED_TOOLCHAIN} ${CMAKE_BINARY_DIR}/${target}${CMAKE_EXECUTABLE_SUFFIX}.map
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WORKING_DIRECTORY
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${CMAKE_BINARY_DIR}
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COMMENT
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"Displaying memory map for ${target}"
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)
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endfunction()
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#
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# Validate selected application profile.
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#
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function(mbed_validate_application_profile target)
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get_target_property(app_link_libraries ${target} LINK_LIBRARIES)
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string(FIND "${app_link_libraries}" "mbed-baremetal" string_found_position)
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if(${string_found_position} GREATER_EQUAL 0)
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if(NOT "bare-metal" IN_LIST MBED_TARGET_SUPPORTED_APPLICATION_PROFILES)
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message(FATAL_ERROR
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"Use full profile as baremetal profile is not supported for this Mbed target")
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endif()
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elseif(NOT "full" IN_LIST MBED_TARGET_SUPPORTED_APPLICATION_PROFILES)
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message(FATAL_ERROR
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"The full profile is not supported for this Mbed target")
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endif()
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endfunction()
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#
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# Set post build operations
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#
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function(mbed_set_post_build target)
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mbed_validate_application_profile(${target})
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mbed_generate_bin_hex(${target})
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mbed_generate_map_file(${target})
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endfunction()
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# Ninja requires to be forced for response files
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if ("${CMAKE_GENERATOR}" MATCHES "Ninja")
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# known issue ARMClang and Ninja with response files for windows
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# https://gitlab.kitware.com/cmake/cmake/-/issues/21093
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if(NOT (CMAKE_HOST_SYSTEM_NAME MATCHES "Windows" AND CMAKE_CXX_COMPILER_ID MATCHES "ARMClang"))
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set(CMAKE_NINJA_FORCE_RESPONSE_FILE 1 CACHE INTERNAL "")
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endif()
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endif()

‎cmsis/CMSIS_5/CMSIS/CMakeLists.txt

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# Copyright (c) 2020 ARM Limited. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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if("CORTEX_A" IN_LIST MBED_TARGET_LABELS)
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add_subdirectory(TARGET_CORTEX_A)
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elseif("CORTEX_M" IN_LIST MBED_TARGET_LABELS)
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add_subdirectory(TARGET_CORTEX_M)
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endif()
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‎cmsis/CMSIS_5/CMSIS/RTOS2/CMakeLists.txt

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# Copyright (c) 2020 ARM Limited. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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add_subdirectory(RTX)
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target_include_directories(mbed-rtos
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INTERFACE
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Include
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)
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target_sources(mbed-rtos
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INTERFACE
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Source/os_systick.c
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Source/os_tick_ptim.c
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)

‎cmsis/CMSIS_5/CMSIS/RTOS2/RTX/CMakeLists.txt

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# Copyright (c) 2020 ARM Limited. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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function(_mbed_get_cortex_m_exception_handlers toolchain_dir)
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foreach(key ${MBED_TARGET_LABELS})
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if(${key} STREQUAL CORTEX_A)
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set(STARTUP_RTX_FILE TARGET_CORTEX_A/irq_ca.S)
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elseif(${key} STREQUAL M0)
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set(STARTUP_RTX_FILE TARGET_M0/irq_cm0.S)
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elseif(${key} STREQUAL M0P)
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set(STARTUP_RTX_FILE TARGET_M0P/irq_cm0.S)
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elseif(${key} STREQUAL M23)
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set(STARTUP_RTX_FILE TARGET_M23/irq_armv8mbl.S)
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elseif(${key} STREQUAL M3)
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set(STARTUP_RTX_FILE TARGET_M3/irq_cm3.S)
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elseif(${key} STREQUAL M33)
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set(STARTUP_RTX_FILE TARGET_M33/irq_armv8mml.S)
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elseif(${key} STREQUAL RTOS_M4_M7)
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set(STARTUP_RTX_FILE TARGET_RTOS_M4_M7/irq_cm4f.S)
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endif()
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target_sources(mbed-rtos
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INTERFACE
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Source/${toolchain_dir}/${STARTUP_RTX_FILE}
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)
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endforeach()
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endfunction()
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function(_mbed_get_cortex_a_exception_handlers)
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foreach(key ${MBED_TARGET_LABELS})
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if(${key} STREQUAL CORTEX_A)
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target_sources(mbed-rtos INTERFACE Config/TARGET_CORTEX_A/handlers.c)
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endif()
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endforeach()
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endfunction()
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_mbed_get_cortex_a_exception_handlers()
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if(${MBED_TOOLCHAIN} STREQUAL "GCC_ARM")
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_mbed_get_cortex_m_exception_handlers(TOOLCHAIN_GCC)
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elseif(${MBED_TOOLCHAIN} STREQUAL "ARM")
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_mbed_get_cortex_m_exception_handlers(TOOLCHAIN_ARM)
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elseif(${MBED_TOOLCHAIN} STREQUAL "IAR")
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_mbed_get_cortex_m_exception_handlers(TOOLCHAIN_IAR)
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endif()
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target_include_directories(mbed-rtos
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INTERFACE
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Config
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Include
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Include1
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Source
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)
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target_sources(mbed-rtos
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INTERFACE
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Config/RTX_Config.c
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Library/cmsis_os1.c
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Source/rtx_delay.c
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Source/rtx_evflags.c
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Source/rtx_evr.c
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Source/rtx_kernel.c
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Source/rtx_lib.c
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Source/rtx_memory.c
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Source/rtx_mempool.c
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Source/rtx_msgqueue.c
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Source/rtx_mutex.c
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Source/rtx_semaphore.c
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Source/rtx_system.c
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Source/rtx_thread.c
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Source/rtx_timer.c
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)

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