80 lines
2.8 KiB
CMake
80 lines
2.8 KiB
CMake
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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if (__TOOLCHAIN_LOADED)
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return()
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endif()
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set(__TOOLCHAIN_LOADED TRUE)
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_C_COMPILER "arm-none-eabi-gcc")
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set(CMAKE_CXX_COMPILER "arm-none-eabi-g++")
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set(CMAKE_SYSTEM_PROCESSOR "cortex-m55" CACHE STRING "Select Arm(R) Cortex(R)-M architecture. (cortex-m0, cortex-m3, cortex-m33, cortex-m4, cortex-m55, cortex-m7, etc)")
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_C_STANDARD 99)
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set(CMAKE_CXX_STANDARD 14)
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# The system processor could for example be set to cortex-m33+nodsp+nofp.
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set(__CPU_COMPILE_TARGET ${CMAKE_SYSTEM_PROCESSOR})
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string(REPLACE "+" ";" __CPU_FEATURES ${__CPU_COMPILE_TARGET})
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list(POP_FRONT __CPU_FEATURES CMAKE_SYSTEM_PROCESSOR)
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string(FIND ${__CPU_COMPILE_TARGET} "+" __OFFSET)
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if(__OFFSET GREATER_EQUAL 0)
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string(SUBSTRING ${__CPU_COMPILE_TARGET} ${__OFFSET} -1 CPU_FEATURES)
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endif()
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# Add -mcpu to the compile options to override the -mcpu the CMake toolchain adds
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add_compile_options(-mcpu=${__CPU_COMPILE_TARGET})
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# Set floating point unit
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if("${__CPU_COMPILE_TARGET}" MATCHES "\\+fp")
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set(FLOAT hard)
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elseif("${__CPU_COMPILE_TARGET}" MATCHES "\\+nofp")
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set(FLOAT soft)
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elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "cortex-m33" OR
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"${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "cortex-m55")
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set(FLOAT hard)
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else()
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set(FLOAT soft)
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endif()
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add_compile_options(-mfloat-abi=${FLOAT})
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add_link_options(-mfloat-abi=${FLOAT})
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# Link target
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add_link_options(-mcpu=${__CPU_COMPILE_TARGET})
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add_link_options(-Xlinker -Map=output.map)
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#
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# Compile options
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#
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set(cxx_flags "-fno-unwind-tables;-fno-rtti;-fno-exceptions")
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add_compile_options("-Wall;-Wextra;-Wsign-compare;-Wunused;-Wswitch-default;\
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-Wdouble-promotion;-Wredundant-decls;-Wshadow;-Wnull-dereference;\
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-Wno-format-extra-args;-Wno-unused-function;-Wno-unused-label;\
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-Wno-missing-field-initializers;-Wno-return-type;-Wno-format;-Wno-int-conversion"
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"$<$<COMPILE_LANGUAGE:CXX>:${cxx_flags}>"
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)
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