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llvm: Add ARMv6-M, ARMv7-M, ARMv8-M Mainline and Baseline targets

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Introduce more specific ARM targets basing on enabled options in
Kconfig.

Signed-off-by: Patryk Duda <pdk@semihalf.com>
This commit is contained in:
Patryk Duda 2023-07-17 16:38:45 +02:00 committed by Carles Cufí
parent 7974ff2665
commit 77dde5dc9f
1 changed files with 19 additions and 1 deletions
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20
cmake/toolchain/llvm/target.cmake
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@ -7,7 +7,25 @@ elseif(CONFIG_LLVM_USE_LLD)
endif() endif()
if("${ARCH}" STREQUAL "arm") if("${ARCH}" STREQUAL "arm")
set(triple arm-none-eabi) if(DEFINED CONFIG_ARMV8_M_MAINLINE)
# ARMv8-M mainline is ARMv7-M with additional features from ARMv8-M.
set(triple armv8m.main-none-eabi)
elseif(DEFINED CONFIG_ARMV8_M_BASELINE)
# ARMv8-M baseline is ARMv6-M with additional features from ARMv8-M.
set(triple armv8m.base-none-eabi)
elseif(DEFINED CONFIG_ARMV7_M_ARMV8_M_MAINLINE)
# ARMV7_M_ARMV8_M_MAINLINE means that ARMv7-M or backward compatible ARMv8-M
# processor is used.
set(triple armv7m-cros-eabi)
elseif(DEFINED CONFIG_ARMV6_M_ARMV8_M_BASELINE)
# ARMV6_M_ARMV8_M_BASELINE means that ARMv6-M or ARMv8-M supporting the
# Baseline implementation processor is used.
set(triple armv6m-none-eabi)
else()
# Default ARM target supported by all processors.
set(triple arm-none-eabi)
endif()
set(CMAKE_EXE_LINKER_FLAGS_INIT "--specs=nosys.specs") set(CMAKE_EXE_LINKER_FLAGS_INIT "--specs=nosys.specs")
elseif("${ARCH}" STREQUAL "x86") elseif("${ARCH}" STREQUAL "x86")
if(CONFIG_64BIT) if(CONFIG_64BIT)