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authorWim <wim@42.be>2021-12-12 00:05:15 +0100
committerGitHub <noreply@github.com>2021-12-12 00:05:15 +0100
commit3893a035be347a7687a41d2054dd1b274d3a0504 (patch)
treedfe4a3bf72a0a6356e51bd8fc2e88e9a26e52331 /vendor/github.com/klauspost/cpuid/v2/cpuid.go
parent658bdd9faa835660ae407331732e9d93d8f6443b (diff)
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Update dependencies/vendor (#1659)
Diffstat (limited to 'vendor/github.com/klauspost/cpuid/v2/cpuid.go')
-rw-r--r--vendor/github.com/klauspost/cpuid/v2/cpuid.go69
1 files changed, 58 insertions, 11 deletions
diff --git a/vendor/github.com/klauspost/cpuid/v2/cpuid.go b/vendor/github.com/klauspost/cpuid/v2/cpuid.go
index 43e9cc17..1d88736b 100644
--- a/vendor/github.com/klauspost/cpuid/v2/cpuid.go
+++ b/vendor/github.com/klauspost/cpuid/v2/cpuid.go
@@ -83,6 +83,7 @@ const (
AVX512DQ // AVX-512 Doubleword and Quadword Instructions
AVX512ER // AVX-512 Exponential and Reciprocal Instructions
AVX512F // AVX-512 Foundation
+ AVX512FP16 // AVX-512 FP16 Instructions
AVX512IFMA // AVX-512 Integer Fused Multiply-Add Instructions
AVX512PF // AVX-512 Prefetch Instructions
AVX512VBMI // AVX-512 Vector Bit Manipulation Instructions
@@ -96,7 +97,9 @@ const (
BMI2 // Bit Manipulation Instruction Set 2
CLDEMOTE // Cache Line Demote
CLMUL // Carry-less Multiplication
+ CLZERO // CLZERO instruction supported
CMOV // i686 CMOV
+ CPBOOST // Core Performance Boost
CX16 // CMPXCHG16B Instruction
ENQCMD // Enqueue Command
ERMS // Enhanced REP MOVSB/STOSB
@@ -106,6 +109,7 @@ const (
GFNI // Galois Field New Instructions
HLE // Hardware Lock Elision
HTT // Hyperthreading (enabled)
+ HWA // Hardware assert supported. Indicates support for MSRC001_10
HYPERVISOR // This bit has been reserved by Intel & AMD for use by hypervisors
IBPB // Indirect Branch Restricted Speculation (IBRS) and Indirect Branch Predictor Barrier (IBPB)
IBS // Instruction Based Sampling (AMD)
@@ -117,18 +121,25 @@ const (
IBSOPSAM // Instruction Based Sampling Feature (AMD)
IBSRDWROPCNT // Instruction Based Sampling Feature (AMD)
IBSRIPINVALIDCHK // Instruction Based Sampling Feature (AMD)
+ INT_WBINVD // WBINVD/WBNOINVD are interruptible.
+ INVLPGB // NVLPGB and TLBSYNC instruction supported
LZCNT // LZCNT instruction
+ MCAOVERFLOW // MCA overflow recovery support.
+ MCOMMIT // MCOMMIT instruction supported
MMX // standard MMX
MMXEXT // SSE integer functions or AMD MMX ext
MOVDIR64B // Move 64 Bytes as Direct Store
MOVDIRI // Move Doubleword as Direct Store
MPX // Intel MPX (Memory Protection Extensions)
+ MSRIRC // Instruction Retired Counter MSR available
NX // NX (No-Execute) bit
POPCNT // POPCNT instruction
+ RDPRU // RDPRU instruction supported
RDRAND // RDRAND instruction is available
RDSEED // RDSEED instruction is available
RDTSCP // RDTSCP Instruction
RTM // Restricted Transactional Memory
+ RTM_ALWAYS_ABORT // Indicates that the loaded microcode is forcing RTM abort.
SERIALIZE // Serialize Instruction Execution
SGX // Software Guard Extensions
SGXLC // Software Guard Extensions Launch Control
@@ -141,6 +152,7 @@ const (
SSE4A // AMD Barcelona microarchitecture SSE4a instructions
SSSE3 // Conroe SSSE3 functions
STIBP // Single Thread Indirect Branch Predictors
+ SUCCOR // Software uncorrectable error containment and recovery capability.
TBM // AMD Trailing Bit Manipulation
TSXLDTRK // Intel TSX Suspend Load Address Tracking
VAES // Vector AES
@@ -194,7 +206,8 @@ type CPUInfo struct {
Family int // CPU family number
Model int // CPU model number
CacheLine int // Cache line size in bytes. Will be 0 if undetectable.
- Hz int64 // Clock speed, if known, 0 otherwise
+ Hz int64 // Clock speed, if known, 0 otherwise. Will attempt to contain base clock speed.
+ BoostFreq int64 // Max clock speed, if known, 0 otherwise
Cache struct {
L1I int // L1 Instruction Cache (per core or shared). Will be -1 if undetected
L1D int // L1 Data Cache (per core or shared). Will be -1 if undetected
@@ -363,25 +376,42 @@ func (c CPUInfo) LogicalCPU() int {
return int(ebx >> 24)
}
-// hertz tries to compute the clock speed of the CPU. If leaf 15 is
+// frequencies tries to compute the clock speed of the CPU. If leaf 15 is
// supported, use it, otherwise parse the brand string. Yes, really.
-func hertz(model string) int64 {
+func (c *CPUInfo) frequencies() {
+ c.Hz, c.BoostFreq = 0, 0
mfi := maxFunctionID()
if mfi >= 0x15 {
eax, ebx, ecx, _ := cpuid(0x15)
if eax != 0 && ebx != 0 && ecx != 0 {
- return int64((int64(ecx) * int64(ebx)) / int64(eax))
+ c.Hz = (int64(ecx) * int64(ebx)) / int64(eax)
}
}
+ if mfi >= 0x16 {
+ a, b, _, _ := cpuid(0x16)
+ // Base...
+ if a&0xffff > 0 {
+ c.Hz = int64(a&0xffff) * 1_000_000
+ }
+ // Boost...
+ if b&0xffff > 0 {
+ c.BoostFreq = int64(b&0xffff) * 1_000_000
+ }
+ }
+ if c.Hz > 0 {
+ return
+ }
+
// computeHz determines the official rated speed of a CPU from its brand
// string. This insanity is *actually the official documented way to do
// this according to Intel*, prior to leaf 0x15 existing. The official
// documentation only shows this working for exactly `x.xx` or `xxxx`
// cases, e.g., `2.50GHz` or `1300MHz`; this parser will accept other
// sizes.
+ model := c.BrandName
hz := strings.LastIndex(model, "Hz")
if hz < 3 {
- return 0
+ return
}
var multiplier int64
switch model[hz-1] {
@@ -393,7 +423,7 @@ func hertz(model string) int64 {
multiplier = 1000 * 1000 * 1000 * 1000
}
if multiplier == 0 {
- return 0
+ return
}
freq := int64(0)
divisor := int64(0)
@@ -405,21 +435,22 @@ func hertz(model string) int64 {
decimalShift *= 10
} else if model[i] == '.' {
if divisor != 0 {
- return 0
+ return
}
divisor = decimalShift
} else {
- return 0
+ return
}
}
// we didn't find a space
if i < 0 {
- return 0
+ return
}
if divisor != 0 {
- return (freq * multiplier) / divisor
+ c.Hz = (freq * multiplier) / divisor
+ return
}
- return freq * multiplier
+ c.Hz = freq * multiplier
}
// VM Will return true if the cpu id indicates we are in
@@ -911,6 +942,7 @@ func support() flagSet {
fs.setIf(ecx&(1<<29) != 0, ENQCMD)
fs.setIf(ecx&(1<<30) != 0, SGXLC)
// CPUID.(EAX=7, ECX=0).EDX
+ fs.setIf(edx&(1<<11) != 0, RTM_ALWAYS_ABORT)
fs.setIf(edx&(1<<14) != 0, SERIALIZE)
fs.setIf(edx&(1<<16) != 0, TSXLDTRK)
fs.setIf(edx&(1<<26) != 0, IBPB)
@@ -949,6 +981,7 @@ func support() flagSet {
// edx
fs.setIf(edx&(1<<8) != 0, AVX512VP2INTERSECT)
fs.setIf(edx&(1<<22) != 0, AMXBF16)
+ fs.setIf(edx&(1<<23) != 0, AVX512FP16)
fs.setIf(edx&(1<<24) != 0, AMXTILE)
fs.setIf(edx&(1<<25) != 0, AMXINT8)
// eax1 = CPUID.(EAX=7, ECX=1).EAX
@@ -980,9 +1013,23 @@ func support() flagSet {
}
}
+ if maxExtendedFunction() >= 0x80000007 {
+ _, b, _, d := cpuid(0x80000007)
+ fs.setIf((b&(1<<0)) != 0, MCAOVERFLOW)
+ fs.setIf((b&(1<<1)) != 0, SUCCOR)
+ fs.setIf((b&(1<<2)) != 0, HWA)
+ fs.setIf((d&(1<<9)) != 0, CPBOOST)
+ }
+
if maxExtendedFunction() >= 0x80000008 {
_, b, _, _ := cpuid(0x80000008)
fs.setIf((b&(1<<9)) != 0, WBNOINVD)
+ fs.setIf((b&(1<<8)) != 0, MCOMMIT)
+ fs.setIf((b&(1<<13)) != 0, INT_WBINVD)
+ fs.setIf((b&(1<<4)) != 0, RDPRU)
+ fs.setIf((b&(1<<3)) != 0, INVLPGB)
+ fs.setIf((b&(1<<1)) != 0, MSRIRC)
+ fs.setIf((b&(1<<0)) != 0, CLZERO)
}
if maxExtendedFunction() >= 0x8000001b && fs.inSet(IBS) {