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Diffstat (limited to 'scripts/cmake/bare-metal-toolchain.cmake')
-rw-r--r-- | scripts/cmake/bare-metal-toolchain.cmake | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/scripts/cmake/bare-metal-toolchain.cmake b/scripts/cmake/bare-metal-toolchain.cmake new file mode 100644 index 0000000..5d91b98 --- /dev/null +++ b/scripts/cmake/bare-metal-toolchain.cmake @@ -0,0 +1,65 @@ +#---------------------------------------------------------------------------- +# Copyright (c) 2021 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. +#---------------------------------------------------------------------------- +# specify the cross compiler +set(CMAKE_C_COMPILER armclang) +set(CMAKE_CXX_COMPILER armclang) +set(CMAKE_C_LINKER_PREFERENCE armlink) +set(CMAKE_ASM_LINKER_PREFERENCE armlink) +set(CMAKE_ASM_COMPILER armasm) +set(CMAKE_ASM_COMPILER_AR armar) + +set(CMAKE_CROSSCOMPILING true) +set(CMAKE_SYSTEM_NAME Generic) + +set(MIN_ARM_CLANG_VERSION 6.14) + +if (NOT DEFINED CMAKE_SYSTEM_PROCESSOR) + set(CMAKE_SYSTEM_PROCESSOR cortex-m55) +endif() + +# Skip compiler test execution +set(CMAKE_C_COMPILER_WORKS 1) +set(CMAKE_CXX_COMPILER_WORKS 1) + +set(PLATFORM_HAL 1) + +set(WARNING_OPTS "-Wall -Wextra -Wvla") +set(SPECIAL_OPTS "-fno-rtti -funsigned-char -fno-function-sections -fno-exceptions") +set(PLATFORM_FLAGS "-mthumb --target=arm-arm-non-eabi -mlittle-endian -DPLATFORM_HAL=${PLATFORM_HAL}") + +set(CMAKE_C_FLAGS_DEBUG "-DDEBUG -O0") +set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG -O3") + +set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG -O0") +set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3") + +if (CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m55) + # Flags for cortex-m55 + set(CPU_CORTEX_M55 1) + set(CPU_CC "-mcpu=cortex-m55 -mfloat-abi=hard -MD -DCPU_CORTEX_M55=1 -DARM_MATH_DSP -DARM_MATH_LOOPUNROLL -D__FPU_USED=1") + set(CPU_LD "--cpu=8.1-M.Main.dsp") +elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m33) + # Flags for cortex-m33 to go here +endif() + +set(ALL_COMMON_FLAGS "${CPU_CC} ${WARNING_OPTS} ${SPECIAL_OPTS} ${PLATFORM_FLAGS}") + +function(enforce_compiler_version) + if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${MIN_ARM_CLANG_VERSION}) + message( FATAL_ERROR "Arm compiler version must be ${MIN_ARM_CLANG_VERSION} or greater to support ${CMAKE_SYSTEM_PROCESSOR} architecture." ) + endif() +endfunction() |