mirror of
https://github.com/kubernetes-sigs/node-feature-discovery.git
synced 2025-03-28 02:37:11 +00:00
Merge pull request #919 from yselkowitz/cpuid
Update CPU flags for ARM, POWER, and Z
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
796403aa85
4 changed files with 133 additions and 12 deletions
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@ -26,7 +26,10 @@ unsigned long gethwcap() {
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*/
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import "C"
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/* all special features for arm should be defined here */
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/*
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all special features for arm should be defined here; canonical list:
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/include/uapi/asm/hwcap.h
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*/
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const (
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/* extension instructions */
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CPU_ARM_FEATURE_SWP = 1 << iota
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@ -23,10 +23,16 @@ package cpu
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unsigned long gethwcap() {
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return getauxval(AT_HWCAP);
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}
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unsigned long gethwcap2() {
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return getauxval(AT_HWCAP2);
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}
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*/
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import "C"
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/* all special features for arm64 should be defined here */
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/*
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all special features for arm64 should be defined here; canonical list:
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/include/uapi/asm/hwcap.h
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*/
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const (
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/* extension instructions */
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CPU_ARM64_FEATURE_FP = 1 << iota
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@ -52,6 +58,53 @@ const (
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CPU_ARM64_FEATURE_ASIMDDP
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CPU_ARM64_FEATURE_SHA512
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CPU_ARM64_FEATURE_SVE
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CPU_ARM64_FEATURE_ASIMDFHM
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CPU_ARM64_FEATURE_DIT
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CPU_ARM64_FEATURE_USCAT
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CPU_ARM64_FEATURE_ILRCPC
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CPU_ARM64_FEATURE_FLAGM
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CPU_ARM64_FEATURE_SSBS
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CPU_ARM64_FEATURE_SB
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CPU_ARM64_FEATURE_PACA
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CPU_ARM64_FEATURE_PACG
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)
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const (
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/* extension instructions */
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CPU_ARM64_FEATURE2_DCPODP = 1 << iota
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CPU_ARM64_FEATURE2_SVE2
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CPU_ARM64_FEATURE2_SVEAES
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CPU_ARM64_FEATURE2_SVEPMULL
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CPU_ARM64_FEATURE2_SVEBITPERM
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CPU_ARM64_FEATURE2_SVESHA3
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CPU_ARM64_FEATURE2_SVESM4
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CPU_ARM64_FEATURE2_FLAGM2
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CPU_ARM64_FEATURE2_FRINT
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CPU_ARM64_FEATURE2_SVEI8MM
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CPU_ARM64_FEATURE2_SVEF32MM
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CPU_ARM64_FEATURE2_SVEF64MM
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CPU_ARM64_FEATURE2_SVEBF16
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CPU_ARM64_FEATURE2_I8MM
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CPU_ARM64_FEATURE2_BF16
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CPU_ARM64_FEATURE2_DGH
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CPU_ARM64_FEATURE2_RNG
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CPU_ARM64_FEATURE2_BTI
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CPU_ARM64_FEATURE2_MTE
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CPU_ARM64_FEATURE2_ECV
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CPU_ARM64_FEATURE2_AFP
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CPU_ARM64_FEATURE2_RPRES
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CPU_ARM64_FEATURE2_MTE3
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CPU_ARM64_FEATURE2_SME
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CPU_ARM64_FEATURE2_SME_I16I64
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CPU_ARM64_FEATURE2_SME_F64F64
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CPU_ARM64_FEATURE2_SME_I8I32
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CPU_ARM64_FEATURE2_SME_F16F32
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CPU_ARM64_FEATURE2_SME_B16F32
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CPU_ARM64_FEATURE2_SME_F32F32
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CPU_ARM64_FEATURE2_SME_FA64
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CPU_ARM64_FEATURE2_WFXT
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CPU_ARM64_FEATURE2_EBF16
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CPU_ARM64_FEATURE2_SVE_EBF16
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)
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var flagNames_arm64 = map[uint64]string{
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@ -78,11 +131,58 @@ var flagNames_arm64 = map[uint64]string{
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CPU_ARM64_FEATURE_ASIMDDP: "ASIMDDP",
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CPU_ARM64_FEATURE_SHA512: "SHA512",
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CPU_ARM64_FEATURE_SVE: "SVE",
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CPU_ARM64_FEATURE_ASIMDFHM: "ASIMDFHM",
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CPU_ARM64_FEATURE_DIT: "DIT",
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CPU_ARM64_FEATURE_USCAT: "USCAT",
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CPU_ARM64_FEATURE_ILRCPC: "ILRCPC",
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CPU_ARM64_FEATURE_FLAGM: "FLAGM",
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CPU_ARM64_FEATURE_SSBS: "SSBS",
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CPU_ARM64_FEATURE_SB: "SB",
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CPU_ARM64_FEATURE_PACA: "PACA",
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CPU_ARM64_FEATURE_PACG: "PACG",
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}
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var flag2Names_arm64 = map[uint64]string{
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CPU_ARM64_FEATURE2_DCPODP: "DCPODP",
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CPU_ARM64_FEATURE2_SVE2: "SVE2",
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CPU_ARM64_FEATURE2_SVEAES: "SVEAES",
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CPU_ARM64_FEATURE2_SVEPMULL: "SVEPMULL",
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CPU_ARM64_FEATURE2_SVEBITPERM: "SVEBITPERM",
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CPU_ARM64_FEATURE2_SVESHA3: "SVESHA3",
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CPU_ARM64_FEATURE2_SVESM4: "SVESM4",
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CPU_ARM64_FEATURE2_FLAGM2: "FLAGM2",
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CPU_ARM64_FEATURE2_FRINT: "FRINT",
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CPU_ARM64_FEATURE2_SVEI8MM: "SVEI8MM",
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CPU_ARM64_FEATURE2_SVEF32MM: "SVEF32MM",
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CPU_ARM64_FEATURE2_SVEF64MM: "SVEF64MM",
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CPU_ARM64_FEATURE2_SVEBF16: "SVEBF16",
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CPU_ARM64_FEATURE2_I8MM: "I8MM",
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CPU_ARM64_FEATURE2_BF16: "BF16",
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CPU_ARM64_FEATURE2_DGH: "DGH",
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CPU_ARM64_FEATURE2_RNG: "RNG",
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CPU_ARM64_FEATURE2_BTI: "BTI",
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CPU_ARM64_FEATURE2_MTE: "MTE",
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CPU_ARM64_FEATURE2_ECV: "ECV",
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CPU_ARM64_FEATURE2_AFP: "AFP",
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CPU_ARM64_FEATURE2_RPRES: "RPRES",
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CPU_ARM64_FEATURE2_MTE3: "MTE3",
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CPU_ARM64_FEATURE2_SME: "SME",
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CPU_ARM64_FEATURE2_SME_I16I64: "SMEI16I64",
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CPU_ARM64_FEATURE2_SME_F64F64: "SMEF64F64",
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CPU_ARM64_FEATURE2_SME_I8I32: "SMEI8I32",
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CPU_ARM64_FEATURE2_SME_F16F32: "SMEF16F32",
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CPU_ARM64_FEATURE2_SME_B16F32: "SMEB16F32",
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CPU_ARM64_FEATURE2_SME_F32F32: "SMEF32F32",
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CPU_ARM64_FEATURE2_SME_FA64: "SMEFA64",
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CPU_ARM64_FEATURE2_WFXT: "WFXT",
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CPU_ARM64_FEATURE2_EBF16: "EBF16",
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CPU_ARM64_FEATURE2_SVE_EBF16: "SVEEBF16",
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}
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func getCpuidFlags() []string {
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r := make([]string, 0, 20)
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hwcap := uint64(C.gethwcap())
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hwcap2 := uint64(C.gethwcap2())
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for i := uint(0); i < 64; i++ {
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key := uint64(1 << i)
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val := flagNames_arm64[key]
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@ -90,5 +190,12 @@ func getCpuidFlags() []string {
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r = append(r, val)
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}
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}
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for i := uint(0); i < 64; i++ {
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key := uint64(1 << i)
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val := flag2Names_arm64[key]
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if hwcap2&key != 0 {
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r = append(r, val)
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}
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}
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return r
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}
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@ -28,7 +28,10 @@ unsigned long gethwcap2() {
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*/
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import "C"
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/* all special features for ppc64le should be defined here */
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/*
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all special features for ppc64le should be defined here; canonical list:
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/powerpc/include/uapi/asm/cputable.h
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*/
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const (
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/* AT_HWCAP features */
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PPC_FEATURE_32 = 0x80000000 /* 32-bit mode. */
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@ -77,6 +80,8 @@ const (
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PPC_FEATURE2_DARN = 0x00200000 /* darn instruction. */
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PPC_FEATURE2_SCV = 0x00100000 /* scv syscall. */
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PPC_FEATURE2_HTM_NO_SUSPEND = 0x00080000 /* TM without suspended state. */
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PPC_FEATURE2_ARCH_3_1 = 0x00040000 /* ISA 3.1 */
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PPC_FEATURE2_MMA = 0x00020000 /* Matrix Multiply Assist */
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)
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var flagNames_ppc64le = map[uint64]string{
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@ -124,6 +129,8 @@ var flag2Names_ppc64le = map[uint64]string{
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PPC_FEATURE2_DARN: "DARN",
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PPC_FEATURE2_SCV: "SCV",
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PPC_FEATURE2_HTM_NO_SUSPEND: "HTM-NO-SUSPEND",
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PPC_FEATURE2_ARCH_3_1: "ARCH_3_1",
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PPC_FEATURE2_MMA: "MMA",
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}
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func getCpuidFlags() []string {
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@ -25,7 +25,11 @@ unsigned long gethwcap() {
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*/
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import "C"
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/* all special features for s390x should be defined here */
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/*
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all special features for s390x should be defined here; canonical list:
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/s390/include/asm/elf.h
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http://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/s390/bits/hwcap.h;hb=HEAD
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*/
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const (
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/* AT_HWCAP features */
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HWCAP_S390_ESAN3 = 1
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@ -47,10 +51,10 @@ const (
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HWCAP_S390_VXRS_PDE = 65536
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HWCAP_S390_SORT = 131072
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HWCAP_S390_DFLT = 262144
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HWCAP_NR_VXRS_PDE2 = 524288
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HWCAP_NR_NNPA = 1048576
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HWCAP_NR_PCI_MIO = 2097152
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HWCAP_NR_SIE = 4194304
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HWCAP_S390_VXRS_PDE2 = 524288
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HWCAP_S390_NNPA = 1048576
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HWCAP_S390_PCI_MIO = 2097152
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HWCAP_S390_SIE = 4194304
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)
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var flagNames_s390x = map[uint64]string{
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@ -73,10 +77,10 @@ var flagNames_s390x = map[uint64]string{
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HWCAP_S390_VXRS_PDE: "VXP",
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HWCAP_S390_SORT: "SORT",
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HWCAP_S390_DFLT: "DFLT",
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HWCAP_NR_VXRS_PDE2: "VXP2",
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HWCAP_NR_NNPA: "NNPA",
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HWCAP_NR_PCI_MIO: "PCIMIO",
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HWCAP_NR_SIE: "SIE",
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HWCAP_S390_VXRS_PDE2: "VXP2",
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HWCAP_S390_NNPA: "NNPA",
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HWCAP_S390_PCI_MIO: "PCIMIO",
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HWCAP_S390_SIE: "SIE",
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}
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func getCpuidFlags() []string {
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