| #---------------------------------------------------------------------------- |
| # 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() |