| #------------------------------------------------------------------------------- |
| # Copyright (c) 2020, Arm Limited. All rights reserved. |
| # |
| # SPDX-License-Identifier: BSD-3-Clause |
| # |
| #------------------------------------------------------------------------------- |
| |
| #This file contains settings to specify how ARMCLANG shall be used |
| |
| #Include some dependencies |
| Include(Common/CompilerArmClangCommon) |
| Include(Common/Utils) |
| |
| check_armclang_input_vars("6.13") |
| |
| if(NOT DEFINED ARM_CPU_ARCHITECTURE) |
| set(_NO_ARM_CPU_ARCHITECTURE true) |
| elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8.1-M.MAIN") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8.1-m.main+mve") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8.1-m.main+mve") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8.1-M.Main.dsp") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8.1-M.Main.dsp") |
| |
| # FIXME |
| # When compiling for a given architecture, compilers define a flag identifying |
| # the architecture like __ARM_ARCH_7M__ or __ARM_ARCH_8M_MAIN__ or |
| # __ARM_ARCH_8_1M_MAIN__. Those flags are used in CMSIS headers like |
| # cmsis_armclang.h or cmsis_gcc.h to restrict the definition of some symbols |
| # to particular architectures. For the new Armv8.1-M.Main architecture, some |
| # CMSIS headers like cmsis_armclang.h or cmsis_gcc.h have not been updated yet |
| # to use __ARM_ARCH_8_1M_MAIN__. To mitigate this, core_armv81mml.h header |
| # defines __ARM_ARCH_8M_MAIN__: #define __ARM_ARCH_8M_MAIN__ 1. Concerning |
| # cmsis_armclang.h or cmsis_gcc.h includes, for this solution to work, wherever |
| # cmsis_compiler.h (which includes cmsis_armclang.h or cmsis_gcc.h) is included |
| # core_armv81mml.h has to be included as well. This is not the case in several |
| # places in TF-M code leading to compilation failures for some C files for |
| # Armv8.1-M architecture. When the CMSIS headers are updated to fully support |
| # the __ARM_ARCH_8_1M_MAIN__ flag, the compilation issues should disappear thus |
| # we don't want to change the header inclusions in TF-M code. Thus the below |
| # definition as a compile parameter of _ARM_ARCH_8M_MAIN__ that must be removed |
| # in the future. |
| |
| add_definitions(-D__ARM_ARCH_8M_MAIN__=1) |
| |
| elseif (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.BASE") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base") |
| elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.MAIN") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Main") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Main") |
| elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv7-M") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M") |
| elseif (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv6-M") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=6-M") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=6-M") |
| else() |
| message(FATAL_ERROR "Unknown or unsupported ARM cpu architecture setting.") |
| endif() |
| |
| #Prefer architecture definition over cpu type. |
| if(NOT DEFINED ARM_CPU_ARCHITECTURE) |
| if(NOT DEFINED ARM_CPU_TYPE) |
| string_append_unique_item(_NO_ARM_CPU_TYPE true) |
| elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M3") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M3") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M3") |
| elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M33") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m33") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m33") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M33") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M33") |
| elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M23") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M23") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M23") |
| elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M4") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M4") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M4") |
| set(ARM_CPU_ARCHITECTURE "ARMv7-M") |
| elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M0p") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi") |
| string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m") |
| string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M0plus") |
| string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M0plus") |
| set(ARM_CPU_ARCHITECTURE "ARMv6-M") |
| else() |
| message(FATAL_ERROR "Unknown ARM cpu setting.") |
| endif() |
| endif() |
| |
| if (_NO_ARM_CPU_TYPE AND _NO_ARM_CPU_ARCHITECTURE) |
| message(FATAL_ERROR "Can not set CPU specific compiler flags: neither the ARM CPU type nor the architecture is set.") |
| endif() |