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shredos.x86_64/arch/Config.in.loongarch
2026-01-06 22:53:29 +00:00

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# LoongArch CPU
choice
prompt "Target Architecture Variant"
default BR2_loongarch64_generic if BR2_ARCH_IS_64
config BR2_loongarch64_generic
bool "Generic LoongArch 64-bit"
depends on BR2_ARCH_IS_64
help
Generic LoongArch 64-bit processor.
config BR2_loongarch64_v1_0
bool "LoongArch64 ISA version 1.0"
depends on BR2_ARCH_IS_64
select BR2_ARCH_NEEDS_GCC_AT_LEAST_14
help
LoongArch64 ISA version 1.0 processor.
config BR2_loongarch64_v1_1
bool "LoongArch64 ISA version 1.1"
depends on BR2_ARCH_IS_64
select BR2_ARCH_NEEDS_GCC_AT_LEAST_14
help
LoongArch64 ISA version 1.1 processor.
endchoice
choice
prompt "FPU Type"
default BR2_LOONGARCH_FPU_64
config BR2_LOONGARCH_FPU_64
bool "64"
help
Allow the use of hardware floating-point instructions for
32-bit and 64-bit operations.
config BR2_LOONGARCH_FPU_32
bool "32"
# Only supported by lp64s and lp64f ABIs which are marked as broken
depends on BR2_BROKEN
help
Allow the use of hardware floating-point instructions for
32-bit operations only.
config BR2_LOONGARCH_FPU_NONE
bool "none"
# Only supported by lp64s ABI which is marked as broken
depends on BR2_BROKEN
help
Prevent the use of hardware floating-point instructions.
endchoice
choice
prompt "SIMD Type"
default BR2_LOONGARCH_SIMD_NONE
config BR2_LOONGARCH_SIMD_NONE
bool "none"
help
Prevent the use of hardware SIMD instructions.
config BR2_LOONGARCH_SIMD_LSX
bool "LSX"
depends on BR2_LOONGARCH_FPU_64
help
Enable generating instructions from the 128-bit LoongArch SIMD
Extension (LSX).
config BR2_LOONGARCH_SIMD_LASX
bool "LASX"
depends on BR2_LOONGARCH_FPU_64
help
Enable generating instructions from the 256-bit LoongArch
Advanced SIMD Extension (LASX) and the 128-bit LoongArch
SIMD Extension (LSX).
endchoice
choice
prompt "Target ABI"
default BR2_LOONGARCH_ABI_LP64D if BR2_ARCH_IS_64 && BR2_LOONGARCH_FPU_64
default BR2_LOONGARCH_ABI_LP64F if BR2_ARCH_IS_64 && BR2_LOONGARCH_FPU_32
default BR2_LOONGARCH_ABI_LP64S if BR2_ARCH_IS_64 && BR2_LOONGARCH_SIMD_NONE
config BR2_LOONGARCH_ABI_LP64D
bool "lp64d"
depends on BR2_ARCH_IS_64
depends on BR2_LOONGARCH_FPU_64
config BR2_LOONGARCH_ABI_LP64F
bool "lp64f"
depends on BR2_ARCH_IS_64
# Failed to build host GCC initial, pending investigation
depends on BR2_BROKEN
depends on BR2_LOONGARCH_FPU_64 || BR2_LOONGARCH_FPU_32
config BR2_LOONGARCH_ABI_LP64S
bool "lp64s"
depends on BR2_ARCH_IS_64
# GCC can't find libraries, pending investigation
depends on BR2_BROKEN
endchoice
config BR2_ARCH
default "loongarch64" if BR2_ARCH_IS_64
config BR2_NORMALIZED_ARCH
default "loongarch"
config BR2_ENDIAN
default "LITTLE"
config BR2_GCC_TARGET_ARCH
default "loongarch64" if BR2_loongarch64_generic
default "la64v1.0" if BR2_loongarch64_v1_0
default "la64v1.1" if BR2_loongarch64_v1_1
config BR2_GCC_TARGET_FPU
default "64" if BR2_LOONGARCH_FPU_64
default "32" if BR2_LOONGARCH_FPU_32
default "none" if BR2_LOONGARCH_FPU_NONE
config BR2_GCC_TARGET_SIMD
default "lasx" if BR2_LOONGARCH_SIMD_LASX
default "lsx" if BR2_LOONGARCH_SIMD_LSX
default "none" if BR2_LOONGARCH_FPU_NONE
config BR2_GCC_TARGET_ABI
default "lp64d" if BR2_LOONGARCH_ABI_LP64D
default "lp64f" if BR2_LOONGARCH_ABI_LP64F
default "lp64s" if BR2_LOONGARCH_ABI_LP64S
config BR2_READELF_ARCH_NAME
default "LoongArch"
# vim: ft=kconfig
# -*- mode:kconfig; -*-