mirror of
https://gitee.com/open-loongarch/buildroot-2024.08.git
synced 2026-10-25 12:47:11 +08:00
Xiaochuan Mao
a462e4f4c7
Signed-off-by: Xiaochuan Mao <maoxiaochuan@loongson.cn> Signed-off-by: loongson <loongson@loongson.cn> Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
134 lines
3.1 KiB
Plaintext
134 lines
3.1 KiB
Plaintext
# LoongArch CPU ISA extensions.
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config BR2_LOONGARCH_ISA_LSX
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bool
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config BR2_LOONGARCH_ISA_LASX
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bool
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config BR2_LOONGARCH_EXT
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bool "Extension Support"
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help
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Enable this option if your LoongArch core has a extension (LSX or LASX).
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if BR2_LOONGARCH_EXT
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comment "Instruction Set Extensions"
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config BR2_LOONGARCH_ISA_HAS_LSX
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bool "Loongson simd extension(LSX)"
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select BR2_LOONGARCH_ISA_LSX
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config BR2_LOONGARCH_ISA_HAS_LASX
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bool "Loongson adanvce simd extension(LASX)"
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select BR2_LOONGARCH_ISA_LASX
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endif
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choice
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prompt "Target Architecture Size"
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default BR2_LOONGARCH_64
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config BR2_LOONGARCH_32
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bool "32-bit"
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select BR2_ARCH_IS_32
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config BR2_LOONGARCH_64
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bool "64-bit"
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select BR2_ARCH_IS_64
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endchoice
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config BR2_LOONGARCH_USE_MMU
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bool "MMU support"
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default y
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depends on BR2_LOONGARCH_64
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select BR2_USE_MMU
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help
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Enable this option if your LoongArch core has a MMU (Memory
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Management Unit).
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config BR2_LOONGARCH_SOFT_FLOAT
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bool "Use soft-float"
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select BR2_SOFT_FLOAT
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help
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If your target CPU does not have a Floating Point Unit (FPU)
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or a kernel FPU emulator, but you still wish to support
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floating point functions, then everything will need to be
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compiled with soft floating point support (-msoft-float).
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choice
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prompt "FP mode"
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default BR2_LOONGARCH_FP32_MODE_64
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depends on !BR2_LOONGARCH_SOFT_FLOAT
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help
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LoongArch supports different FP modes (32,64). Information
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about FP modes can be found here:
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https://gcc.gnu.org/onlinedocs/gcc/LoongArch-Options.html
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config BR2_LOONGARCH_FP32_MODE_32
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bool "32"
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config BR2_LOONGARCH_FP32_MODE_64
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bool "64"
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endchoice
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choice
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prompt "Target ABI"
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default BR2_LOONGARCH_ABI_ILP32D if BR2_ARCH_IS_32 && BR2_LOONGARCH_FP32_MODE_64
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default BR2_LOONGARCH_ABI_ILP32F if BR2_ARCH_IS_32 && BR2_LOONGARCH_FP32_MODE_32
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default BR2_LOONGARCH_ABI_ILP32S if BR2_ARCH_IS_32
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default BR2_LOONGARCH_ABI_LP64D if BR2_ARCH_IS_64 && BR2_LOONGARCH_FP32_MODE_64
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default BR2_LOONGARCH_ABI_LP64F if BR2_ARCH_IS_64 && BR2_LOONGARCH_FP32_MODE_32
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default BR2_LOONGARCH_ABI_LP64S if BR2_ARCH_IS_64
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config BR2_LOONGARCH_ABI_ILP32S
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bool "ilp32s"
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depends on !BR2_ARCH_IS_64
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config BR2_LOONGARCH_ABI_ILP32F
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bool "ilp32f"
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depends on !BR2_ARCH_IS_64
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config BR2_LOONGARCH_ABI_ILP32D
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bool "ilp32d"
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depends on !BR2_ARCH_IS_64
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config BR2_LOONGARCH_ABI_LP64S
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bool "lp64s"
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depends on BR2_ARCH_IS_64
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config BR2_LOONGARCH_ABI_LP64F
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bool "lp64f"
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depends on BR2_ARCH_IS_64
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config BR2_LOONGARCH_ABI_LP64D
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bool "lp64d"
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depends on BR2_ARCH_IS_64
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endchoice
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config BR2_ARCH
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default "loongarch32" if !BR2_ARCH_IS_64
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default "loongarch64" if BR2_ARCH_IS_64
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config BR2_NORMALIZED_ARCH
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default "loongarch"
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config BR2_ENDIAN
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default "LITTLE"
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config BR2_GCC_TARGET_ABI
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default "ilp32s" if BR2_LOONGARCH_ABI_ILP32S
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default "ilp32f" if BR2_LOONGARCH_ABI_ILP32F
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default "ilp32d" if BR2_LOONGARCH_ABI_ILP32D
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default "lp64s" if BR2_LOONGARCH_ABI_LP64S
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default "lp64f" if BR2_LOONGARCH_ABI_LP64F
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default "lp64d" if BR2_LOONGARCH_ABI_LP64D
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config BR2_READELF_ARCH_NAME
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default "LoongArch"
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# vim: ft=kconfig
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# -*- mode:kconfig; -*-
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