81 lines
4.8 KiB
CMake
81 lines
4.8 KiB
CMake
#-------------------------------------------------------------------------------
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# Copyright (c) 2018-2020, 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 GCC shall be used
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#Include some dependencies
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Include(Common/CompilerGNUARMCommon)
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Include(Common/Utils)
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check_gnuarm_input_vars("7.3")
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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 (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.BASE")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
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string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
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string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
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elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.MAIN")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main")
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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 "-march=" VAL "-march=armv8-m.main")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main")
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elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv7-M")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
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string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
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string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
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elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv6S-M")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv6s-m")
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string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv6s-m")
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string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "-march=" VAL "-march=armv6s-m")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv6s-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(${ARM_CPU_TYPE} STREQUAL "Cortex-M3")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3")
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string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3")
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string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M3")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M3")
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elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M33")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m33")
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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(${ARM_CPU_TYPE} STREQUAL "Cortex-M23")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23")
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string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23")
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string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M23")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M23")
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elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M4")
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string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
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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 "-march=" VAL "-march=armv7-m")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
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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 "-mcpu=" VAL "-mcpu=cortex-m0plus")
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string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m0plus")
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string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=Cortex-M0plus")
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string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=Cortex-M0plus")
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set(ARM_CPU_ARCHITECTURE "ARMv6S-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 "Cannot set CPU specific compiler flags: neither the ARM CPU type nor the architecture is set.")
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endif()
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