34 lines
917 B
CMake
34 lines
917 B
CMake
# SPDX-License-Identifier: Apache-2.0
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list(APPEND TOOLCHAIN_C_FLAGS
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-mthumb
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-mcpu=${GCC_M_CPU}
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)
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list(APPEND TOOLCHAIN_LD_FLAGS
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-mthumb
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-mcpu=${GCC_M_CPU}
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)
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# Defines a mapping from GCC_M_CPU to FPU
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if(CONFIG_CPU_HAS_FPU_DOUBLE_PRECISION)
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set(PRECISION_TOKEN)
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else()
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set(PRECISION_TOKEN sp-)
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endif()
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set(FPU_FOR_cortex-m4 fpv4-${PRECISION_TOKEN}d16)
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set(FPU_FOR_cortex-m7 fpv5-${PRECISION_TOKEN}d16)
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set(FPU_FOR_cortex-m33 fpv5-${PRECISION_TOKEN}d16)
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if(CONFIG_FLOAT)
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list(APPEND TOOLCHAIN_C_FLAGS -mfpu=${FPU_FOR_${GCC_M_CPU}})
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list(APPEND TOOLCHAIN_LD_FLAGS -mfpu=${FPU_FOR_${GCC_M_CPU}})
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if (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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elseif(CONFIG_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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endif()
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endif()
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