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cmake: compiler: introduce target_arm.cmake

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Pull ARM flags into cmake/compiler/gcc/target.cmake to be reused between
gcc and clang.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2019-09-18 19:41:37 -05:00 • committed by Kumar Gala
commit e5c03925e5
2 changed files with 34 additions and 32 deletions
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33
cmake/compiler/gcc/target.cmake
View file

@ -43,38 +43,7 @@ endforeach()
include(${ZEPHYR_BASE}/cmake/gcc-m-cpu.cmake)
if("${ARCH}" STREQUAL "arm")
list(APPEND TOOLCHAIN_C_FLAGS
-mthumb
-mcpu=${GCC_M_CPU}
)
list(APPEND TOOLCHAIN_LD_FLAGS
-mthumb
-mcpu=${GCC_M_CPU}
)
# Defines a mapping from GCC_M_CPU to FPU
if(CONFIG_CPU_HAS_FPU_DOUBLE_PRECISION)
set(PRECISION_TOKEN)
else()
set(PRECISION_TOKEN sp-)
endif()
set(FPU_FOR_cortex-m4 fpv4-${PRECISION_TOKEN}d16)
set(FPU_FOR_cortex-m7 fpv5-${PRECISION_TOKEN}d16)
set(FPU_FOR_cortex-m33 fpv5-${PRECISION_TOKEN}d16)
if(CONFIG_FLOAT)
list(APPEND TOOLCHAIN_C_FLAGS -mfpu=${FPU_FOR_${GCC_M_CPU}})
list(APPEND TOOLCHAIN_LD_FLAGS -mfpu=${FPU_FOR_${GCC_M_CPU}})
if (CONFIG_FP_SOFTABI)
list(APPEND TOOLCHAIN_C_FLAGS -mfloat-abi=softfp)
list(APPEND TOOLCHAIN_LD_FLAGS -mfloat-abi=softfp)
elseif(CONFIG_FP_HARDABI)
list(APPEND TOOLCHAIN_C_FLAGS -mfloat-abi=hard)
list(APPEND TOOLCHAIN_LD_FLAGS -mfloat-abi=hard)
endif()
endif()
include(${ZEPHYR_BASE}/cmake/compiler/gcc/target_arm.cmake)
elseif("${ARCH}" STREQUAL "arc")
list(APPEND TOOLCHAIN_C_FLAGS
-mcpu=${GCC_M_CPU}

33
cmake/compiler/gcc/target_arm.cmake Normal file
View file

@ -0,0 +1,33 @@
# SPDX-License-Identifier: Apache-2.0
list(APPEND TOOLCHAIN_C_FLAGS
-mthumb
-mcpu=${GCC_M_CPU}
)
list(APPEND TOOLCHAIN_LD_FLAGS
-mthumb
-mcpu=${GCC_M_CPU}
)
# Defines a mapping from GCC_M_CPU to FPU
if(CONFIG_CPU_HAS_FPU_DOUBLE_PRECISION)
set(PRECISION_TOKEN)
else()
set(PRECISION_TOKEN sp-)
endif()
set(FPU_FOR_cortex-m4 fpv4-${PRECISION_TOKEN}d16)
set(FPU_FOR_cortex-m7 fpv5-${PRECISION_TOKEN}d16)
set(FPU_FOR_cortex-m33 fpv5-${PRECISION_TOKEN}d16)
if(CONFIG_FLOAT)
list(APPEND TOOLCHAIN_C_FLAGS -mfpu=${FPU_FOR_${GCC_M_CPU}})
list(APPEND TOOLCHAIN_LD_FLAGS -mfpu=${FPU_FOR_${GCC_M_CPU}})
if (CONFIG_FP_SOFTABI)
list(APPEND TOOLCHAIN_C_FLAGS -mfloat-abi=softfp)
list(APPEND TOOLCHAIN_LD_FLAGS -mfloat-abi=softfp)
elseif(CONFIG_FP_HARDABI)
list(APPEND TOOLCHAIN_C_FLAGS -mfloat-abi=hard)
list(APPEND TOOLCHAIN_LD_FLAGS -mfloat-abi=hard)
endif()
endif()