diff --git a/source/cpu/cpuid_arm64.go b/source/cpu/cpuid_arm64.go
index 5762a4e69..a43b283d1 100644
--- a/source/cpu/cpuid_arm64.go
+++ b/source/cpu/cpuid_arm64.go
@@ -23,6 +23,9 @@ package cpu
 unsigned long gethwcap() {
 	return getauxval(AT_HWCAP);
 }
+unsigned long gethwcap2() {
+	return getauxval(AT_HWCAP2);
+}
 */
 import "C"
 
@@ -63,6 +66,44 @@ const (
 	CPU_ARM64_FEATURE_PACG
 )
 
+const (
+	/* extension instructions */
+	CPU_ARM64_FEATURE2_DCPODP = 1 << iota
+	CPU_ARM64_FEATURE2_SVE2
+	CPU_ARM64_FEATURE2_SVEAES
+	CPU_ARM64_FEATURE2_SVEPMULL
+	CPU_ARM64_FEATURE2_SVEBITPERM
+	CPU_ARM64_FEATURE2_SVESHA3
+	CPU_ARM64_FEATURE2_SVESM4
+	CPU_ARM64_FEATURE2_FLAGM2
+	CPU_ARM64_FEATURE2_FRINT
+	CPU_ARM64_FEATURE2_SVEI8MM
+	CPU_ARM64_FEATURE2_SVEF32MM
+	CPU_ARM64_FEATURE2_SVEF64MM
+	CPU_ARM64_FEATURE2_SVEBF16
+	CPU_ARM64_FEATURE2_I8MM
+	CPU_ARM64_FEATURE2_BF16
+	CPU_ARM64_FEATURE2_DGH
+	CPU_ARM64_FEATURE2_RNG
+	CPU_ARM64_FEATURE2_BTI
+	CPU_ARM64_FEATURE2_MTE
+	CPU_ARM64_FEATURE2_ECV
+	CPU_ARM64_FEATURE2_AFP
+	CPU_ARM64_FEATURE2_RPRES
+	CPU_ARM64_FEATURE2_MTE3
+	CPU_ARM64_FEATURE2_SME
+	CPU_ARM64_FEATURE2_SME_I16I64
+	CPU_ARM64_FEATURE2_SME_F64F64
+	CPU_ARM64_FEATURE2_SME_I8I32
+	CPU_ARM64_FEATURE2_SME_F16F32
+	CPU_ARM64_FEATURE2_SME_B16F32
+	CPU_ARM64_FEATURE2_SME_F32F32
+	CPU_ARM64_FEATURE2_SME_FA64
+	CPU_ARM64_FEATURE2_WFXT
+	CPU_ARM64_FEATURE2_EBF16
+	CPU_ARM64_FEATURE2_SVE_EBF16
+)
+
 var flagNames_arm64 = map[uint64]string{
 	CPU_ARM64_FEATURE_FP:       "FP",
 	CPU_ARM64_FEATURE_ASIMD:    "ASIMD",
@@ -98,9 +139,47 @@ var flagNames_arm64 = map[uint64]string{
 	CPU_ARM64_FEATURE_PACG:     "PACG",
 }
 
+var flag2Names_arm64 = map[uint64]string{
+	CPU_ARM64_FEATURE2_DCPODP:     "DCPODP",
+	CPU_ARM64_FEATURE2_SVE2:       "SVE2",
+	CPU_ARM64_FEATURE2_SVEAES:     "SVEAES",
+	CPU_ARM64_FEATURE2_SVEPMULL:   "SVEPMULL",
+	CPU_ARM64_FEATURE2_SVEBITPERM: "SVEBITPERM",
+	CPU_ARM64_FEATURE2_SVESHA3:    "SVESHA3",
+	CPU_ARM64_FEATURE2_SVESM4:     "SVESM4",
+	CPU_ARM64_FEATURE2_FLAGM2:     "FLAGM2",
+	CPU_ARM64_FEATURE2_FRINT:      "FRINT",
+	CPU_ARM64_FEATURE2_SVEI8MM:    "SVEI8MM",
+	CPU_ARM64_FEATURE2_SVEF32MM:   "SVEF32MM",
+	CPU_ARM64_FEATURE2_SVEF64MM:   "SVEF64MM",
+	CPU_ARM64_FEATURE2_SVEBF16:    "SVEBF16",
+	CPU_ARM64_FEATURE2_I8MM:       "I8MM",
+	CPU_ARM64_FEATURE2_BF16:       "BF16",
+	CPU_ARM64_FEATURE2_DGH:        "DGH",
+	CPU_ARM64_FEATURE2_RNG:        "RNG",
+	CPU_ARM64_FEATURE2_BTI:        "BTI",
+	CPU_ARM64_FEATURE2_MTE:        "MTE",
+	CPU_ARM64_FEATURE2_ECV:        "ECV",
+	CPU_ARM64_FEATURE2_AFP:        "AFP",
+	CPU_ARM64_FEATURE2_RPRES:      "RPRES",
+	CPU_ARM64_FEATURE2_MTE3:       "MTE3",
+	CPU_ARM64_FEATURE2_SME:        "SME",
+	CPU_ARM64_FEATURE2_SME_I16I64: "SMEI16I64",
+	CPU_ARM64_FEATURE2_SME_F64F64: "SMEF64F64",
+	CPU_ARM64_FEATURE2_SME_I8I32:  "SMEI8I32",
+	CPU_ARM64_FEATURE2_SME_F16F32: "SMEF16F32",
+	CPU_ARM64_FEATURE2_SME_B16F32: "SMEB16F32",
+	CPU_ARM64_FEATURE2_SME_F32F32: "SMEF32F32",
+	CPU_ARM64_FEATURE2_SME_FA64:   "SMEFA64",
+	CPU_ARM64_FEATURE2_WFXT:       "WFXT",
+	CPU_ARM64_FEATURE2_EBF16:      "EBF16",
+	CPU_ARM64_FEATURE2_SVE_EBF16:  "SVEEBF16",
+}
+
 func getCpuidFlags() []string {
 	r := make([]string, 0, 20)
 	hwcap := uint64(C.gethwcap())
+	hwcap2 := uint64(C.gethwcap2())
 	for i := uint(0); i < 64; i++ {
 		key := uint64(1 << i)
 		val := flagNames_arm64[key]
@@ -108,5 +187,12 @@ func getCpuidFlags() []string {
 			r = append(r, val)
 		}
 	}
+	for i := uint(0); i < 64; i++ {
+		key := uint64(1 << i)
+		val := flag2Names_arm64[key]
+		if hwcap2&key != 0 {
+			r = append(r, val)
+		}
+	}
 	return r
 }