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Add SGXPQC detection #163

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Merged
klauspost merged 1 commit into from
Jun 27, 2025
+94 −85
Merged

Add SGXPQC detection #163

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -418,6 +418,7 @@ Exit Code 1
| SEV_SNP | AMD SEV Secure Nested Paging supported |
| SGX | Software Guard Extensions |
| SGXLC | Software Guard Extensions Launch Control |
| SGXPQC | Software Guard Extensions 256-bit Encryption |
| SHA | Intel SHA Extensions |
| SME | AMD Secure Memory Encryption supported |
| SME_COHERENT | AMD Hardware cache coherency across encryption domains enforced |
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7 changes: 7 additions & 0 deletions cpuid.go
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Expand Up @@ -220,6 +220,7 @@ const (
SEV_SNP // AMD SEV Secure Nested Paging supported
SGX // Software Guard Extensions
SGXLC // Software Guard Extensions Launch Control
SGXPQC // Software Guard Extensions 256-bit Encryption
SHA // Intel SHA Extensions
SME // AMD Secure Memory Encryption supported
SME_COHERENT // AMD Hardware cache coherency across encryption domains enforced
Expand Down Expand Up @@ -1358,6 +1359,11 @@ func support() flagSet {
fs.setIf(edx&(1<<4) != 0, BHI_CTRL)
fs.setIf(edx&(1<<5) != 0, MCDT_NO)

if fs.inSet(SGX) {
eax, _, _, _ := cpuidex(0x12, 0)
fs.setIf(eax&(1<<12) != 0, SGXPQC)
}

// Add keylocker features.
if fs.inSet(KEYLOCKER) && mfi >= 0x19 {
_, ebx, _, _ := cpuidex(0x19, 0)
Expand All @@ -1371,6 +1377,7 @@ func support() flagSet {
fs.setIf(ebx&(1<<17) != 0, AVX10_256)
fs.setIf(ebx&(1<<18) != 0, AVX10_512)
}

}

// Processor Extended State Enumeration Sub-leaf (EAX = 0DH, ECX = 1)
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171 changes: 86 additions & 85 deletions featureid_string.go
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