prompt "Processor family"
default M686 if X86_32
default GENERIC_CPU if X86_64
- ---help---
+ help
This is the processor type of your CPU. This information is
used for optimizing purposes. In order to compile a kernel
that can run on all supported x86 CPU types (albeit not
config M486SX
bool "486SX"
depends on X86_32
- ---help---
+ help
Select this for an 486-class CPU without an FPU such as
AMD/Cyrix/IBM/Intel SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5S.
config M486
bool "486DX"
depends on X86_32
- ---help---
+ help
Select this for an 486-class CPU such as AMD/Cyrix/IBM/Intel
486DX/DX2/DX4 and UMC U5D.
config M586
bool "586/K5/5x86/6x86/6x86MX"
depends on X86_32
- ---help---
+ help
Select this for an 586 or 686 series processor such as the AMD K5,
the Cyrix 5x86, 6x86 and 6x86MX. This choice does not
assume the RDTSC (Read Time Stamp Counter) instruction.
config M586TSC
bool "Pentium-Classic"
depends on X86_32
- ---help---
+ help
Select this for a Pentium Classic processor with the RDTSC (Read
Time Stamp Counter) instruction for benchmarking.
config M586MMX
bool "Pentium-MMX"
depends on X86_32
- ---help---
+ help
Select this for a Pentium with the MMX graphics/multimedia
extended instructions.
config M686
bool "Pentium-Pro"
depends on X86_32
- ---help---
+ help
Select this for Intel Pentium Pro chips. This enables the use of
Pentium Pro extended instructions, and disables the init-time guard
against the f00f bug found in earlier Pentiums.
config MPENTIUMII
bool "Pentium-II/Celeron(pre-Coppermine)"
depends on X86_32
- ---help---
+ help
Select this for Intel chips based on the Pentium-II and
pre-Coppermine Celeron core. This option enables an unaligned
copy optimization, compiles the kernel with optimization flags
config MPENTIUMIII
bool "Pentium-III/Celeron(Coppermine)/Pentium-III Xeon"
depends on X86_32
- ---help---
+ help
Select this for Intel chips based on the Pentium-III and
Celeron-Coppermine core. This option enables use of some
extended prefetch instructions in addition to the Pentium II
config MPENTIUMM
bool "Pentium M"
depends on X86_32
- ---help---
+ help
Select this for Intel Pentium M (not Pentium-4 M)
notebook chips.
config MPENTIUM4
bool "Pentium-4/Celeron(P4-based)/Pentium-4 M/older Xeon"
depends on X86_32
- ---help---
+ help
Select this for Intel Pentium 4 chips. This includes the
Pentium 4, Pentium D, P4-based Celeron and Xeon, and
Pentium-4 M (not Pentium M) chips. This option enables compile
config MK6
bool "K6/K6-II/K6-III"
depends on X86_32
- ---help---
+ help
Select this for an AMD K6-family processor. Enables use of
some extended instructions, and passes appropriate optimization
flags to GCC.
config MK7
bool "Athlon/Duron/K7"
depends on X86_32
- ---help---
+ help
Select this for an AMD Athlon K7-family processor. Enables use of
some extended instructions, and passes appropriate optimization
flags to GCC.
config MK8
bool "Opteron/Athlon64/Hammer/K8"
- ---help---
+ help
Select this for an AMD Opteron or Athlon64 Hammer-family processor.
Enables use of some extended instructions, and passes appropriate
optimization flags to GCC.
config MCRUSOE
bool "Crusoe"
depends on X86_32
- ---help---
+ help
Select this for a Transmeta Crusoe processor. Treats the processor
like a 586 with TSC, and sets some GCC optimization flags (like a
Pentium Pro with no alignment requirements).
config MEFFICEON
bool "Efficeon"
depends on X86_32
- ---help---
+ help
Select this for a Transmeta Efficeon processor.
config MWINCHIPC6
bool "Winchip-C6"
depends on X86_32
- ---help---
+ help
Select this for an IDT Winchip C6 chip. Linux and GCC
treat this chip as a 586TSC with some extended instructions
and alignment requirements.
config MWINCHIP3D
bool "Winchip-2/Winchip-2A/Winchip-3"
depends on X86_32
- ---help---
+ help
Select this for an IDT Winchip-2, 2A or 3. Linux and GCC
treat this chip as a 586TSC with some extended instructions
and alignment requirements. Also enable out of order memory
config MELAN
bool "AMD Elan"
depends on X86_32
- ---help---
+ help
Select this for an AMD Elan processor.
Do not use this option for K6/Athlon/Opteron processors!
config MGEODEGX1
bool "GeodeGX1"
depends on X86_32
- ---help---
+ help
Select this for a Geode GX1 (Cyrix MediaGX) chip.
config MGEODE_LX
bool "Geode GX/LX"
depends on X86_32
- ---help---
+ help
Select this for AMD Geode GX and LX processors.
config MCYRIXIII
bool "CyrixIII/VIA-C3"
depends on X86_32
- ---help---
+ help
Select this for a Cyrix III or C3 chip. Presently Linux and GCC
treat this chip as a generic 586. Whilst the CPU is 686 class,
it lacks the cmov extension which gcc assumes is present when
config MVIAC3_2
bool "VIA C3-2 (Nehemiah)"
depends on X86_32
- ---help---
+ help
Select this for a VIA C3 "Nehemiah". Selecting this enables usage
of SSE and tells gcc to treat the CPU as a 686.
Note, this kernel will not boot on older (pre model 9) C3s.
config MVIAC7
bool "VIA C7"
depends on X86_32
- ---help---
+ help
Select this for a VIA C7. Selecting this uses the correct cache
shift and tells gcc to treat the CPU as a 686.
config MPSC
bool "Intel P4 / older Netburst based Xeon"
depends on X86_64
- ---help---
+ help
Optimize for Intel Pentium 4, Pentium D and older Nocona/Dempsey
Xeon CPUs with Intel 64bit which is compatible with x86-64.
Note that the latest Xeons (Xeon 51xx and 53xx) are not based on the
config MCORE2
bool "Core 2/newer Xeon"
- ---help---
+ help
Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and
53xx) CPUs. You can distinguish newer from older Xeons by the CPU
config MATOM
bool "Intel Atom"
- ---help---
+ help
Select this for the Intel Atom platform. Intel Atom CPUs have an
in-order pipelining architecture and thus can benefit from
config GENERIC_CPU
bool "Generic-x86-64"
depends on X86_64
- ---help---
+ help
Generic x86-64 CPU.
Run equally well on all x86-64 CPUs.
config X86_GENERIC
bool "Generic x86 support"
depends on X86_32
- ---help---
+ help
Instead of just including optimizations for the selected
x86 variant (e.g. PII, Crusoe or Athlon), include some more
generic optimizations as well. This will make the kernel
menuconfig PROCESSOR_SELECT
bool "Supported processor vendors" if EXPERT
- ---help---
+ help
This lets you choose what x86 vendor support code your kernel
will include.
config CPU_SUP_INTEL
default y
bool "Support Intel processors" if PROCESSOR_SELECT
- ---help---
+ help
This enables detection, tunings and quirks for Intel processors
You need this enabled if you want your kernel to run on an
default y
bool "Support Cyrix processors" if PROCESSOR_SELECT
depends on M486SX || M486 || M586 || M586TSC || M586MMX || (EXPERT && !64BIT)
- ---help---
+ help
This enables detection, tunings and quirks for Cyrix processors
You need this enabled if you want your kernel to run on a
config CPU_SUP_AMD
default y
bool "Support AMD processors" if PROCESSOR_SELECT
- ---help---
+ help
This enables detection, tunings and quirks for AMD processors
You need this enabled if you want your kernel to run on an
config CPU_SUP_CENTAUR
default y
bool "Support Centaur processors" if PROCESSOR_SELECT
- ---help---
+ help
This enables detection, tunings and quirks for Centaur processors
You need this enabled if you want your kernel to run on a
default y
bool "Support Transmeta processors" if PROCESSOR_SELECT
depends on !64BIT
- ---help---
+ help
This enables detection, tunings and quirks for Transmeta processors
You need this enabled if you want your kernel to run on a
default y
bool "Support UMC processors" if PROCESSOR_SELECT
depends on M486SX || M486 || (EXPERT && !64BIT)
- ---help---
+ help
This enables detection, tunings and quirks for UMC processors
You need this enabled if you want your kernel to run on a
projects / linux-2.6-microblaze.git / blobdiff