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Diffstat (limited to 'cmake/toolchain/armclang.cmake')
| -rw-r--r-- | cmake/toolchain/armclang.cmake | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/cmake/toolchain/armclang.cmake b/cmake/toolchain/armclang.cmake new file mode 100644 index 0000000..72eb456 --- /dev/null +++ b/cmake/toolchain/armclang.cmake @@ -0,0 +1,86 @@ +# +# Copyright (c) 2020 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 +# +# 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. +# + +if (NOT TARGET_CPU) + set(TARGET_CPU "cortex-m4") +endif() + +set(CMAKE_SYSTEM_NAME Generic) +set(CMAKE_C_COMPILER "armclang") +set(CMAKE_CXX_COMPILER "armclang") +set(CMAKE_LINKER "armlink") + +# Convert TARGET_CPU=Cortex-M33+nofp+nodsp into +# - CMAKE_SYSTEM_PROCESSOR=cortex-m33 +# - __CPU_FEATURES=no-fp;no-dsp +string(REPLACE "+" ";" __CPU_FEATURES ${TARGET_CPU}) +list(POP_FRONT __CPU_FEATURES CMAKE_SYSTEM_PROCESSOR) +string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} CMAKE_SYSTEM_PROCESSOR) + +# Link target +set(__LINK_TARGET ${CMAKE_SYSTEM_PROCESSOR}) + +if ("nodsp" IN_LIST __CPU_FEATURES) + string(APPEND __LINK_TARGET ".no_dsp") +endif() + +if ("nofp" IN_LIST __CPU_FEATURES) + string(APPEND __LINK_TARGET ".no_fp") +endif() + +if (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m55") + set(__LINK_TARGET 8.1-M.Main.dsp) +endif() + +# Define C/C++ standards +set(CMAKE_C_STANDARD 99) +set(CMAKE_CXX_STANDARD 14) + +# Compile options +add_compile_options( + -mcpu=${TARGET_CPU} + -mthumb + "$<$<CONFIG:DEBUG>:-gdwarf-3>" + "$<$<COMPILE_LANGUAGE:CXX>:-fno-unwind-tables;-fno-rtti;-fno-exceptions>") + +# Link options +add_link_options( + --cpu=${__LINK_TARGET} + --lto + --info common,debug,sizes,totals,veneers,unused + --symbols + --diag_suppress=L6439W) + +# Compilation warnings +add_compile_options( + -Wall + -Wextra + -Wsign-compare + -Wunused + -Wswitch-default + -Wformat + -Wdouble-promotion + -Wredundant-decls + -Wshadow + -Wcast-align + -Wnull-dereference + -Wno-format-extra-args + -Wno-unused-function + -Wno-unused-label + -Wno-missing-field-initializers + -Wno-return-type) |