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-rw-r--r--arch/i386/Kconfig.cpu35
1 files changed, 30 insertions, 5 deletions
diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu
index b99c0e2a4e63..dce6124cb842 100644
--- a/arch/i386/Kconfig.cpu
+++ b/arch/i386/Kconfig.cpu
@@ -43,6 +43,7 @@ config M386
- "Geode GX/LX" For AMD Geode GX and LX processors.
- "CyrixIII/VIA C3" for VIA Cyrix III or VIA C3.
- "VIA C3-2" for VIA C3-2 "Nehemiah" (model 9 and above).
+ - "VIA C7" for VIA C7.
If you don't know what to do, choose "386".
@@ -203,6 +204,12 @@ config MVIAC3_2
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"
+ help
+ Select this for a VIA C7. Selecting this uses the correct cache
+ shift and tells gcc to treat the CPU as a 686.
+
endchoice
config X86_GENERIC
@@ -231,16 +238,21 @@ config X86_L1_CACHE_SHIFT
default "7" if MPENTIUM4 || X86_GENERIC
default "4" if X86_ELAN || M486 || M386 || MGEODEGX1
default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX
- default "6" if MK7 || MK8 || MPENTIUMM || MCORE2
+ default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MVIAC7
+
+config X86_XADD
+ bool
+ depends on !M386
+ default y
config RWSEM_GENERIC_SPINLOCK
bool
- depends on M386
+ depends on !X86_XADD
default y
config RWSEM_XCHGADD_ALGORITHM
bool
- depends on !M386
+ depends on X86_XADD
default y
config ARCH_HAS_ILOG2_U32
@@ -297,7 +309,7 @@ config X86_ALIGNMENT_16
config X86_GOOD_APIC
bool
- depends on MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || MK8 || MEFFICEON || MCORE2
+ depends on MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || MK8 || MEFFICEON || MCORE2 || MVIAC7
default y
config X86_INTEL_USERCOPY
@@ -322,5 +334,18 @@ config X86_OOSTORE
config X86_TSC
bool
- depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ
+ depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ
default y
+
+# this should be set for all -march=.. options where the compiler
+# generates cmov.
+config X86_CMOV
+ bool
+ depends on (MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7)
+ default y
+
+config X86_MINIMUM_CPU_MODEL
+ int
+ default "4" if X86_XADD || X86_CMPXCHG || X86_BSWAP
+ default "0"
+