cmake: Add gcc support
This commit adds the option to cmake to build TF-M with GCC.
Change-Id: I7a5e3c915efa61620f1f0d34ed42cba5c174c562
Signed-off-by: Mate Toth-Pal <mate.toth-pal@arm.com>
diff --git a/cmake/Common/CompilerGNUARMCommon.cmake b/cmake/Common/CompilerGNUARMCommon.cmake
new file mode 100644
index 0000000..c4be8ba
--- /dev/null
+++ b/cmake/Common/CompilerGNUARMCommon.cmake
@@ -0,0 +1,172 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+#This file contains settings to specify how GNUARM shall be used
+
+function(check_gnuarm_input_vars MY_VERSION)
+ #Specify where gnuarm is
+ if (NOT DEFINED GNUARM_PATH)
+ message(FATAL_ERROR "Please set GNUARM_PATH to the root directory of the gnuarm installation. e.g. set(GNUARM_PATH \"C:/Program Files (x86)/GNU Tools ARM Embedded/6 2017-q1-update/\"")
+ endif()
+
+ STRING(REGEX REPLACE "([0-9]+).([0-9]+).*" "\\1.\\2" _MY_MAJOR_MINOR "${MY_VERSION}")
+ STRING(REGEX REPLACE "([0-9]+).([0-9]+).*" "\\1.\\2" _GNUARM_MAJOR_MINOR "${GNUARM_VER}")
+
+ #Check gnuarm version.
+ if (NOT "${_MY_MAJOR_MINOR}" VERSION_EQUAL "${_GNUARM_MAJOR_MINOR}")
+ message(FATAL_ERROR "GNUARM version (GNUARM_VER=${GNUARM_VER}) does not match ${MY_VERSION}")
+ endif()
+
+ if (NOT DEFINED ARM_CPU_ARHITECTURE AND NOT DEFINED ARM_CPU_TYPE)
+ message(FATAL_ERROR "ARM_CPU_TYPE and ARM_CPU_ARHITECTURE is not defined! Please include the CPU specific config file before this one.")
+ endif()
+
+endfunction()
+
+message(STATUS "Using gcc compiler package v${GNUARM_VER} from ${GNUARM_PATH}")
+
+
+#Tell cmake which compiler we use
+if (EXISTS "c:/")
+ set (CMAKE_C_COMPILER "${GNUARM_PATH}/bin/arm-none-eabi-gcc.exe")
+ set (CMAKE_CXX_COMPILER "${GNUARM_PATH}/bin/arm-none-eabi-g++.exe")
+ set (CMAKE_ASM_COMPILER "${GNUARM_PATH}/bin/arm-none-eabi-gcc.exe")
+else()
+ set (CMAKE_C_COMPILER "${GNUARM_PATH}/bin/arm-none-eabi-gcc")
+ set (CMAKE_CXX_COMPILER "${GNUARM_PATH}/bin/arm-none-eabi-g++")
+ set (CMAKE_ASM_COMPILER "${GNUARM_PATH}/bin/arm-none-eabi-gcc")
+endif()
+
+if("CXX" IN_LIST languages)
+ set(CMAKE_CXX_COMPILER_ID "GNUARM" CACHE INTERNAL "CXX compiler ID" FORCE)
+ include(Compiler/GNUARM-CXX)
+endif()
+
+if("C" IN_LIST languages)
+ set(CMAKE_C_COMPILER_ID "GNUARM" CACHE INTERNAL "C compiler ID" FORCE)
+ include(Compiler/GNUARM-C)
+endif()
+
+if("ASM" IN_LIST languages)
+ set(CMAKE_C_COMPILER_ID "GNUARM" CACHE INTERNAL "ASM compiler ID" FORCE)
+ include(Compiler/GNUARM-ASM)
+endif()
+
+function(compiler_set_linkercmdfile)
+ set( _OPTIONS_ARGS ) #Option (on/off) arguments.
+ set( _ONE_VALUE_ARGS TARGET PATH) #Single option arguments.
+ set( _MULTI_VALUE_ARGS DEFINES INCLUDES) #List arguments
+ cmake_parse_arguments(_MY_PARAMS "${_OPTIONS_ARGS}" "${_ONE_VALUE_ARGS}" "${_MULTI_VALUE_ARGS}" ${ARGN} )
+
+ #Check passed parameters
+ if(NOT _MY_PARAMS_TARGET)
+ message(FATAL_ERROR "compiler_set_linkercmdfile: mandatory parameter 'TARGET' is missing.")
+ endif()
+ if (NOT TARGET ${_MY_PARAMS_TARGET})
+ message(FATAL_ERROR "compiler_set_linkercmdfile: value of parameter 'TARGET' is invalid.")
+ endif()
+
+ if(NOT _MY_PARAMS_PATH)
+ message(FATAL_ERROR "compiler_set_linkercmdfile: mandatory parameter 'PATH' is missing.")
+ endif()
+ set(_FILE_PATH ${_MY_PARAMS_PATH})
+
+ #Compose additional command line switches from macro definitions.
+ set(_FLAGS "")
+ if (_MY_PARAMS_DEFINES)
+ foreach(_DEFINE IN LISTS _MY_PARAMS_DEFINES)
+ list(APPEND _FLAGS "-D ${_DEFINE}")
+ endforeach()
+ endif()
+ #Compose additional command line switches from include paths.
+ if (_MY_PARAMS_INCLUDES)
+ foreach(_INCLUDE_P IN LISTS _MY_PARAMS_INCLUDES)
+ list(APPEND _FLAGS "-I ${_INCLUDE_P}")
+ endforeach()
+ endif()
+
+ #Create additional target if linker script needs to be pre-processed.
+ if (_MY_PARAMS_DEFINES OR _MY_PARAMS_INCLUDES)
+ #Name of pre-processed linker script file.
+ get_filename_component(FINAL_LD_FILE_NAME ${_MY_PARAMS_PATH} NAME)
+ set(FINAL_LD_FILE_NAME "${CMAKE_CURRENT_BINARY_DIR}/${FINAL_LD_FILE_NAME}.i")
+ #Name of the target doing the pre-processing
+ set(LD_PP_TARGET_NAME "${_MY_PARAMS_TARGET}_ldpp")
+ #The target definition.
+ add_custom_target(${LD_PP_TARGET_NAME}
+ COMMENT "Pre-processing linker command file ${_MY_PARAMS_PATH}..."
+ COMMAND ${CMAKE_C_COMPILER} -E -P -xc ${_FLAGS} -o ${FINAL_LD_FILE_NAME} ${_MY_PARAMS_PATH}
+ DEPENDS ${_MY_PARAMS_PATH}
+ BYPRODUCTS ${FINAL_LD_FILE_NAME}
+ )
+ #Make the original target depend on the new one.
+ add_dependencies(${_MY_PARAMS_TARGET} ${LD_PP_TARGET_NAME})
+ #Tell cmake to delete the intermediate linker script when the clean rule
+ #is executed.
+ get_directory_property(_ADDITIONAL_MAKE_CLEAN_FILES DIRECTORY "./" ADDITIONAL_MAKE_CLEAN_FILES)
+ set_directory_properties(PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${_ADDITIONAL_MAKE_CLEAN_FILES} ${FINAL_LD_FILE_NAME}")
+ #Set the path to linker script point to the intermediate file.
+ set(_FILE_PATH ${FINAL_LD_FILE_NAME})
+ endif()
+
+ #Note: the space before the option is important!
+ set_property(TARGET ${_MY_PARAMS_TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -T${_FILE_PATH}")
+ set_property(TARGET ${_MY_PARAMS_TARGET} APPEND PROPERTY LINK_DEPENDS ${_FILE_PATH})
+ #Tell cmake .map files shall be removed when project is cleaned (make clean)
+ get_filename_component(_TARGET_BASE_NAME ${_MY_PARAMS_TARGET} NAME_WE)
+ get_directory_property(_ADDITIONAL_MAKE_CLEAN_FILES DIRECTORY "./" ADDITIONAL_MAKE_CLEAN_FILES)
+ set_directory_properties(PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${_ADDITIONAL_MAKE_CLEAN_FILES} ${_TARGET_BASE_NAME}.map")
+endfunction()
+
+function(compiler_set_cmse_output TARGET FILE_PATH)
+ #Note: the space before the option is important!
+ set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--cmse-implib,--out-implib=${FILE_PATH}")
+ #Tell cmake cmse output is a generated object file.
+ SET_SOURCE_FILES_PROPERTIES("${FILE_PATH}" PROPERTIES EXTERNAL_OBJECT true GENERATED true)
+ #Tell cmake cmse output shall be removed by clean target.
+ get_directory_property(_ADDITIONAL_MAKE_CLEAN_FILES DIRECTORY "./" ADDITIONAL_MAKE_CLEAN_FILES)
+ set_directory_properties(PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${_ADDITIONAL_MAKE_CLEAN_FILES} ${FILE_PATH}")
+endfunction()
+
+function(compiler_merge_library)
+ set( _OPTIONS_ARGS ) #Option (on/off) arguments.
+ set( _ONE_VALUE_ARGS DEST) #Single option arguments.
+ set( _MULTI_VALUE_ARGS LIBS) #List arguments
+ cmake_parse_arguments(_MY_PARAMS "${_OPTIONS_ARGS}" "${_ONE_VALUE_ARGS}" "${_MULTI_VALUE_ARGS}" ${ARGN} )
+
+ #Check passed parameters
+ if(NOT _MY_PARAMS_DEST)
+ message(FATAL_ERROR "compiler_merge_library: no destination target specified. Please see the DEST parameter.")
+ endif()
+ #Check if destination is a library
+ get_target_property(_tmp ${_MY_PARAMS_DEST} TYPE)
+ if(NOT "${_tmp}" STREQUAL "STATIC_LIBRARY")
+ message(FATAL_ERROR "compiler_merge_library: parameter DEST must be a static library target.")
+ endif()
+ set(_DEST ${_MY_PARAMS_DEST})
+
+ if(NOT _MY_PARAMS_LIBS)
+ message(FATAL_ERROR "compiler_merge_library: no source libraries specified. Please see the LIBS parameter.")
+ endif()
+ set(_LIBS ${_MY_PARAMS_LIBS})
+
+ ##Find the cmake script doing the merge.
+ find_file(_MERGE_SCRIPT "GNUArMerge.cmake" PATHS ${CMAKE_MODULE_PATH} PATH_SUFFIXES Common NO_DEFAULT_PATH)
+
+ #Now add a custom command for each source library to our custom target to
+ #merge into the destination.
+ foreach(SRC_LIB ${_LIBS})
+ get_filename_component(_SRC_LIB_NAME "${SRC_LIB}" NAME)
+ add_custom_command(TARGET ${_DEST} POST_BUILD
+ COMMAND ${CMAKE_COMMAND} -DCMAKE_AR=${CMAKE_AR} -DSOURCE=${SRC_LIB} -DDESTINATION=$<TARGET_FILE:${_DEST}> -P ${_MERGE_SCRIPT}
+ COMMENT "\t\tmerging objects from ${_SRC_LIB_NAME}")
+ endforeach()
+endfunction()
+
+function(compiler_generate_binary_output TARGET)
+ add_custom_command(TARGET ${TARGET} POST_BUILD COMMAND ${CMAKE_GNUARM_OBJCOPY} ARGS -O binary $<TARGET_FILE:${TARGET}> $<TARGET_FILE_DIR:${TARGET}>/${TARGET}.bin)
+endfunction()