63 lines
1.4 KiB
CMake
63 lines
1.4 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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set(ARM_C_FLAGS)
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list(APPEND ARM_C_FLAGS -mcpu=${GCC_M_CPU})
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if(CONFIG_COMPILER_ISA_THUMB2)
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list(APPEND ARM_C_FLAGS -mthumb)
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endif()
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list(APPEND ARM_C_FLAGS -mabi=aapcs)
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if(CONFIG_FPU)
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list(APPEND ARM_C_FLAGS -mfpu=${GCC_M_FPU})
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if(CONFIG_DCLS AND NOT CONFIG_FP_HARDABI)
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# If the processor is equipped with VFP and configured in DCLS topology,
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# the FP "hard" ABI must be used in order to facilitate the FP register
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# initialisation and synchronisation.
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set(FORCE_FP_HARDABI TRUE)
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endif()
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if (CONFIG_FP_HARDABI OR FORCE_FP_HARDABI)
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list(APPEND ARM_C_FLAGS -mfloat-abi=hard)
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elseif(CONFIG_FP_SOFTABI)
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list(APPEND ARM_C_FLAGS -mfloat-abi=softfp)
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endif()
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endif()
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if(CONFIG_FP16)
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if (CONFIG_FP16_IEEE)
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list(APPEND ARM_C_FLAGS -mfp16-format=ieee)
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elseif(CONFIG_FP16_ALT)
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list(APPEND ARM_C_FLAGS -mfp16-format=alternative)
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endif()
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endif()
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if(CONFIG_THREAD_LOCAL_STORAGE)
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list(APPEND ARM_C_FLAGS -mtp=soft)
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endif()
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list(APPEND TOOLCHAIN_C_FLAGS ${ARM_C_FLAGS})
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list(APPEND TOOLCHAIN_LD_FLAGS NO_SPLIT ${ARM_C_FLAGS})
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# Flags not supported by llext linker
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# (regexps are supported and match whole word)
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set(LLEXT_REMOVE_FLAGS
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-fno-pic
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-fno-pie
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-ffunction-sections
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-fdata-sections
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-g.*
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-Os
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-mcpu=.*
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)
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# Flags to be added to llext code compilation
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set(LLEXT_APPEND_FLAGS
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-mlong-calls
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-mthumb
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-mcpu=cortex-m33+nodsp
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)
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