处理AI胡乱生成的乱摊子
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20
vendor/github.com/klauspost/cpuid/v2/cpuid.go
generated
vendored
20
vendor/github.com/klauspost/cpuid/v2/cpuid.go
generated
vendored
@@ -226,6 +226,7 @@ const (
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SYSCALL // System-Call Extension (SCE): SYSCALL and SYSRET instructions.
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SYSEE // SYSENTER and SYSEXIT instructions
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TBM // AMD Trailing Bit Manipulation
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TDX_GUEST // Intel Trust Domain Extensions Guest
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TLB_FLUSH_NESTED // AMD: Flushing includes all the nested translations for guest translations
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TME // Intel Total Memory Encryption. The following MSRs are supported: IA32_TME_CAPABILITY, IA32_TME_ACTIVATE, IA32_TME_EXCLUDE_MASK, and IA32_TME_EXCLUDE_BASE.
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TOPEXT // TopologyExtensions: topology extensions support. Indicates support for CPUID Fn8000_001D_EAX_x[N:0]-CPUID Fn8000_001E_EDX.
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@@ -1186,13 +1187,8 @@ func support() flagSet {
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fs.setIf(edx&(1<<30) != 0, IA32_CORE_CAP)
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fs.setIf(edx&(1<<31) != 0, SPEC_CTRL_SSBD)
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// CPUID.(EAX=7, ECX=1).EDX
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fs.setIf(edx&(1<<4) != 0, AVXVNNIINT8)
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fs.setIf(edx&(1<<5) != 0, AVXNECONVERT)
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fs.setIf(edx&(1<<14) != 0, PREFETCHI)
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// CPUID.(EAX=7, ECX=1).EAX
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eax1, _, _, _ := cpuidex(7, 1)
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eax1, _, _, edx1 := cpuidex(7, 1)
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fs.setIf(fs.inSet(AVX) && eax1&(1<<4) != 0, AVXVNNI)
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fs.setIf(eax1&(1<<7) != 0, CMPCCXADD)
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fs.setIf(eax1&(1<<10) != 0, MOVSB_ZL)
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@@ -1202,6 +1198,11 @@ func support() flagSet {
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fs.setIf(eax1&(1<<23) != 0, AVXIFMA)
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fs.setIf(eax1&(1<<26) != 0, LAM)
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// CPUID.(EAX=7, ECX=1).EDX
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fs.setIf(edx1&(1<<4) != 0, AVXVNNIINT8)
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fs.setIf(edx1&(1<<5) != 0, AVXNECONVERT)
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fs.setIf(edx1&(1<<14) != 0, PREFETCHI)
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// Only detect AVX-512 features if XGETBV is supported
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if c&((1<<26)|(1<<27)) == (1<<26)|(1<<27) {
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// Check for OS support
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@@ -1393,6 +1394,13 @@ func support() flagSet {
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fs.setIf((a>>24)&1 == 1, VMSA_REGPROT)
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}
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if mfi >= 0x21 {
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// Intel Trusted Domain Extensions Guests have their own cpuid leaf (0x21).
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_, ebx, ecx, edx := cpuid(0x21)
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identity := string(valAsString(ebx, edx, ecx))
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fs.setIf(identity == "IntelTDX ", TDX_GUEST)
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}
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return fs
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}
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