| # SPDX-License-Identifier: Apache-2.0 |
| list(APPEND TOOLCHAIN_C_FLAGS -mcpu=${GCC_M_CPU}) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mcpu=${GCC_M_CPU}) |
| |
| if(CONFIG_COMPILER_ISA_THUMB2) |
| list(APPEND TOOLCHAIN_C_FLAGS -mthumb) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mthumb) |
| endif() |
| |
| list(APPEND TOOLCHAIN_C_FLAGS -mabi=aapcs) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mabi=aapcs) |
| |
| if(CONFIG_FPU) |
| list(APPEND TOOLCHAIN_C_FLAGS -mfpu=${GCC_M_FPU}) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mfpu=${GCC_M_FPU}) |
| |
| if(CONFIG_DCLS AND NOT CONFIG_FP_HARDABI) |
| # If the processor is equipped with VFP and configured in DCLS topology, |
| # the FP "hard" ABI must be used in order to facilitate the FP register |
| # initialisation and synchronisation. |
| set(FORCE_FP_HARDABI TRUE) |
| endif() |
| |
| if (CONFIG_FP_HARDABI OR FORCE_FP_HARDABI) |
| list(APPEND TOOLCHAIN_C_FLAGS -mfloat-abi=hard) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mfloat-abi=hard) |
| elseif(CONFIG_FP_SOFTABI) |
| list(APPEND TOOLCHAIN_C_FLAGS -mfloat-abi=softfp) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mfloat-abi=softfp) |
| endif() |
| endif() |
| |
| if(CONFIG_FP16) |
| if (CONFIG_FP16_IEEE) |
| list(APPEND TOOLCHAIN_C_FLAGS -mfp16-format=ieee) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mfp16-format=ieee) |
| elseif(CONFIG_FP16_ALT) |
| list(APPEND TOOLCHAIN_C_FLAGS -mfp16-format=alternative) |
| list(APPEND TOOLCHAIN_LD_FLAGS -mfp16-format=alternative) |
| endif() |
| endif() |
