buildroot/arch/Config.in.x86

# i386/x86_64 cpu features
config BR2_X86_CPU_HAS_MMX
	bool
config BR2_X86_CPU_HAS_3DNOW
	bool
config BR2_X86_CPU_HAS_SSE
	bool
config BR2_X86_CPU_HAS_SSE2
	bool
config BR2_X86_CPU_HAS_SSE3
	bool
config BR2_X86_CPU_HAS_SSSE3
	bool
config BR2_X86_CPU_HAS_SSE4
	bool
config BR2_X86_CPU_HAS_SSE42
	bool
config BR2_X86_CPU_HAS_AVX
	bool
config BR2_X86_CPU_HAS_AVX2
	bool

choice
	prompt "Target Architecture Variant"
	default BR2_x86_i586 if BR2_i386
	depends on BR2_i386 || BR2_x86_64
	help
	  Specific CPU variant to use

config BR2_x86_i486
	bool "i486"
	depends on !BR2_x86_64
config BR2_x86_i586
	bool "i586"
	depends on !BR2_x86_64
config BR2_x86_x1000
	bool "x1000"
	depends on !BR2_x86_64
	help
	  The Intel X1000 is a Pentium class microprocessor in the
	  Quark (sub-Atom) Product Line. The X1000 has a bug on the
	  lock prefix requiring that prefix must be stripped at build
	  time.

	  See https://en.wikipedia.org/wiki/Intel_Quark

config BR2_x86_i686
	bool "i686"
	depends on !BR2_x86_64
config BR2_x86_pentiumpro
	bool "pentium pro"
	depends on !BR2_x86_64
config BR2_x86_pentium_mmx
	bool "pentium MMX"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
config BR2_x86_pentium_m
	bool "pentium mobile"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
config BR2_x86_pentium2
	bool "pentium2"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
config BR2_x86_pentium3
	bool "pentium3"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
config BR2_x86_pentium4
	bool "pentium4"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
config BR2_x86_prescott
	bool "prescott"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
config BR2_x86_x86_64
	bool "x86-64"
	depends on BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	help
	  This option corresponds to -march=x86-64, documented as a
	  "Generic CPU with 64-bit extensions" by the GCC
	  documentation. It is a 64-bit CPU with MMX, SSE and SSE2
	  support.
config BR2_x86_x86_64_v2
	bool "x86-64-v2"
	depends on BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
	select BR2_ARCH_NEEDS_GCC_AT_LEAST_11
	help
	  This option corresponds to the x86-64-v2 micro-architecture
	  level, as defined by the x86-64 psABI document, see
	  https://gitlab.com/x86-psABIs/x86-64-ABI/-/blob/master/x86-64-ABI/low-level-sys-info.tex.

	  It is close to the Nehalem CPU architecture, and is
	  applicable for CPUs that support CMPXCHG16B, LAHF-SAHF,
	  POPCNT, SSE3, SSE4.1, SSE4.2, SSSE3.
config BR2_x86_x86_64_v3
	bool "x86-64-v3"
	depends on BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
	select BR2_X86_CPU_HAS_AVX
	select BR2_X86_CPU_HAS_AVX2
	select BR2_ARCH_NEEDS_GCC_AT_LEAST_11
	help
	  This option corresponds to the x86-64-v3 micro-architecture
	  level, as defined by the x86-64 psABI document, see
	  https://gitlab.com/x86-psABIs/x86-64-ABI/-/blob/master/x86-64-ABI/low-level-sys-info.tex.

	  It is close to the Haswell CPU architecture, and is
	  applicable for CPUs that support all of x86-64-v2 plus AVX,
	  AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE.
config BR2_x86_x86_64_v4
	bool "x86-64-v4"
	depends on BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
	select BR2_X86_CPU_HAS_AVX
	select BR2_X86_CPU_HAS_AVX2
	select BR2_ARCH_NEEDS_GCC_AT_LEAST_11
	help
	  This option corresponds to the x86-64-v4 micro-architecture
	  level, as defined by the x86-64 psABI document, see
	  https://gitlab.com/x86-psABIs/x86-64-ABI/-/blob/master/x86-64-ABI/low-level-sys-info.tex.

	  It is applicable for CPUs that support all of x86-64-v3 plus
	  AVX512F, AVX512BW, AVX512CD, AVX512DQ, AVX512VL.
config BR2_x86_nocona
	bool "nocona"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
config BR2_x86_core2
	bool "core2"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
config BR2_x86_corei7
	bool "corei7"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
config BR2_x86_westmere
	bool "westmere"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
config BR2_x86_corei7_avx
	bool "corei7-avx"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
	select BR2_X86_CPU_HAS_AVX
config BR2_x86_core_avx2
	bool "core-avx2"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
	select BR2_X86_CPU_HAS_AVX
	select BR2_X86_CPU_HAS_AVX2
config BR2_x86_atom
	bool "atom"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
config BR2_x86_silvermont
	bool "silvermont"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
config BR2_x86_k6
	bool "k6"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
config BR2_x86_k6_2
	bool "k6-2"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_3DNOW
config BR2_x86_athlon
	bool "athlon"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_3DNOW
config BR2_x86_athlon_4
	bool "athlon-4"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_3DNOW
config BR2_x86_opteron
	bool "opteron"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
config BR2_x86_opteron_sse3
	bool "opteron w/ SSE3"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
config BR2_x86_barcelona
	bool "barcelona"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
config BR2_x86_jaguar
	bool "jaguar"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
config BR2_x86_steamroller
	bool "steamroller"
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
	select BR2_X86_CPU_HAS_SSE2
	select BR2_X86_CPU_HAS_SSE3
	select BR2_X86_CPU_HAS_SSSE3
	select BR2_X86_CPU_HAS_SSE4
	select BR2_X86_CPU_HAS_SSE42
config BR2_x86_geode
	bool "geode"
	# Don't include MMX support because there several variant of geode
	# processor, some with MMX support, some without.
	# See: http://en.wikipedia.org/wiki/Geode_%28processor%29
	depends on !BR2_x86_64
config BR2_x86_c3
	bool "Via/Cyrix C3 (Samuel/Ezra cores)"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_3DNOW
config BR2_x86_c32
	bool "Via C3-2 (Nehemiah cores)"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
	select BR2_X86_CPU_HAS_SSE
config BR2_x86_winchip_c6
	bool "IDT Winchip C6"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
config BR2_x86_winchip2
	bool "IDT Winchip 2"
	depends on !BR2_x86_64
	select BR2_X86_CPU_HAS_MMX
endchoice

config BR2_ARCH
	default "i486"		if BR2_x86_i486
	default "i586"		if BR2_x86_i586
	default "i586"		if BR2_x86_x1000
	default "i586"		if BR2_x86_pentium_mmx
	default "i586"		if BR2_x86_geode
	default "i586"		if BR2_x86_c3
	default "i686"		if BR2_x86_c32
	default "i586"		if BR2_x86_winchip_c6
	default "i586"		if BR2_x86_winchip2
	# We use the property of Kconfig that the first match of a
	# list of default will be chosen. So the following entry will
	# not match for all BR2_i386=y configurations, but only the
	# ones that didn't match any of the previous cases (i486,
	# i586).
	default "i686"		if BR2_i386
	default "x86_64"	if BR2_x86_64

config BR2_ENDIAN
	default "LITTLE"

config BR2_GCC_TARGET_ARCH
	default "i486"		if BR2_x86_i486
	default "i586"		if BR2_x86_i586
	default "i586"		if BR2_x86_x1000
	default "pentium-mmx"	if BR2_x86_pentium_mmx
	default "i686"		if BR2_x86_i686
	default "pentiumpro"	if BR2_x86_pentiumpro
	default "pentium-m"	if BR2_x86_pentium_m
	default "pentium2"	if BR2_x86_pentium2
	default "pentium3"	if BR2_x86_pentium3
	default "pentium4"	if BR2_x86_pentium4
	default "prescott"	if BR2_x86_prescott
	default "x86-64"	if BR2_x86_x86_64
	default "x86-64-v2"	if BR2_x86_x86_64_v2
	default "x86-64-v3"	if BR2_x86_x86_64_v3
	default "x86-64-v4"	if BR2_x86_x86_64_v4
	default "nocona"	if BR2_x86_nocona
	default "core2"		if BR2_x86_core2
	default "corei7"	if BR2_x86_corei7
	default "corei7-avx"	if BR2_x86_corei7_avx
	default "core-avx2"	if BR2_x86_core_avx2
	default "atom"		if BR2_x86_atom
	default "westmere"	if BR2_x86_westmere
	default "silvermont"	if BR2_x86_silvermont
	default "k8"		if BR2_x86_opteron
	default "k8-sse3"	if BR2_x86_opteron_sse3
	default "barcelona"	if BR2_x86_barcelona
	default "btver2"	if BR2_x86_jaguar
	default "bdver3"	if BR2_x86_steamroller
	default "k6"		if BR2_x86_k6
	default "k6-2"		if BR2_x86_k6_2
	default "athlon"	if BR2_x86_athlon
	default "athlon-4"	if BR2_x86_athlon_4
	default "winchip-c6"	if BR2_x86_winchip_c6
	default "winchip2"	if BR2_x86_winchip2
	default "c3"		if BR2_x86_c3
	default "c3-2"		if BR2_x86_c32
	default "geode"		if BR2_x86_geode

config BR2_READELF_ARCH_NAME
	default "Intel 80386"			if BR2_i386
	default "Advanced Micro Devices X86-64" if BR2_x86_64

# vim: ft=kconfig
# -*- mode:kconfig; -*-