42 lines
1.4 KiB
CMake
42 lines
1.4 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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list(APPEND TOOLCHAIN_C_FLAGS -mcpu=${GCC_M_CPU})
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list(APPEND TOOLCHAIN_LD_FLAGS -mcpu=${GCC_M_CPU})
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if(CONFIG_COMPILER_ISA_THUMB2)
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list(APPEND TOOLCHAIN_C_FLAGS -mthumb)
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list(APPEND TOOLCHAIN_LD_FLAGS -mthumb)
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endif()
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list(APPEND TOOLCHAIN_C_FLAGS -mabi=aapcs)
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list(APPEND TOOLCHAIN_LD_FLAGS -mabi=aapcs)
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if(CONFIG_FPU)
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list(APPEND TOOLCHAIN_C_FLAGS -mfpu=${GCC_M_FPU})
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list(APPEND TOOLCHAIN_LD_FLAGS -mfpu=${GCC_M_FPU})
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if(CONFIG_CPU_HAS_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 TOOLCHAIN_C_FLAGS -mfloat-abi=hard)
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list(APPEND TOOLCHAIN_LD_FLAGS -mfloat-abi=hard)
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elseif(CONFIG_FP_SOFTABI)
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list(APPEND TOOLCHAIN_C_FLAGS -mfloat-abi=softfp)
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list(APPEND TOOLCHAIN_LD_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 TOOLCHAIN_C_FLAGS -mfp16-format=ieee)
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list(APPEND TOOLCHAIN_LD_FLAGS -mfp16-format=ieee)
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elseif(CONFIG_FP16_ALT)
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list(APPEND TOOLCHAIN_C_FLAGS -mfp16-format=alternative)
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list(APPEND TOOLCHAIN_LD_FLAGS -mfp16-format=alternative)
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endif()
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endif()
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