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