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Add AMD Rome CPUID flag. 

This flag is set on Rome CPUs, but it is not documented.

PiperOrigin-RevId: 303825532
This commit is contained in:
Michael Pratt 2020-03-30 14:37:17 -07:00 committed by gVisor bot
parent e36eccc4b1
commit 32a133537e
1 changed files with 6 additions and 1 deletions
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7
pkg/cpuid/cpuid_x86.go
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@ -235,7 +235,9 @@ const (
X86FeaturePERFCTR_TSC
X86FeaturePERFCTR_LLC
X86FeatureMWAITX
// ECX[31:30] are reserved.
// TODO(b/152776797): Some CPUs set this but it is not documented anywhere.
X86FeatureBlock5Bit30
_ // ecx bit 31 is reserved.
)
// Block 6 constants are the extended feature bits in
@ -438,6 +440,9 @@ var x86FeatureParseOnlyStrings = map[Feature]string{
// Block 3.
X86FeaturePREFETCHWT1: "prefetchwt1",
// Block 5.
X86FeatureBlock5Bit30: "block5_bit30",
}
// intelCacheDescriptors describe the caches and TLBs on the system. They are