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42 lines
1.2 KiB
42 lines
1.2 KiB
# 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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else() |
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list(APPEND ARM_C_FLAGS -mfpu=none) |
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# Disable usage of FPU registers |
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list(APPEND ARM_C_FLAGS -mfloat-abi=soft) |
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endif() |
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if(CONFIG_FP16) |
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# Clang only supports IEEE 754-2008 format for __fp16. It's enabled by |
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# default, so no need to do anything when CONFIG_FP16_IEEE is selected. |
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if(CONFIG_FP16_ALT) |
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message(FATAL_ERROR "Clang doesn't support ARM alternative format for FP16") |
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endif() |
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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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