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detect intel sgx and smx cpu features for the x86 arch

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This commit is contained in:
Patrik Fiedler 2018-02-13 11:14:32 +01:00
parent bc8df0c1c5
commit 3ee0d62e87
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GPG Key ID: 9354BA641121F980
2 changed files with 16 additions and 0 deletions
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5
include/cpuinfo_x86.h
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@ -52,6 +52,9 @@ typedef struct {
int avx512_4vnniw : 1;
int avx512_4vbmi2 : 1;
int smx : 1;
int sgx : 1;
// Make sure to update X86FeaturesEnum below if you add a field here.
} X86Features;
@ -133,6 +136,8 @@ typedef enum {
X86_AVX512VPOPCNTDQ,
X86_AVX512_4VNNIW,
X86_AVX512_4VBMI2,
X86_SMX,
X86_SGX,
X86_LAST_,
} X86FeaturesEnum;

11
src/cpuinfo_x86.c
View File

@ -102,6 +102,9 @@ static void ParseCpuId(const uint32_t max_cpuid_leaf, X86Info* info) {
features->bmi2 = IsBitSet(leaf_7.ebx, 8);
features->vpclmulqdq = IsBitSet(leaf_7.ecx, 10);
features->smx = IsBitSet(leaf_1.ecx, 6);
features->sgx = IsBitSet(leaf_7.ebx, 2);
if (have_sse_os_support) {
features->ssse3 = IsBitSet(leaf_1.ecx, 9);
features->sse4_1 = IsBitSet(leaf_1.ecx, 19);
@ -313,6 +316,10 @@ int GetX86FeaturesEnumValue(const X86Features* features,
return features->avx512_4vnniw;
case X86_AVX512_4VBMI2:
return features->avx512_4vbmi2;
case X86_SMX:
return features->smx;
case X86_SGX:
return features->sgx;
case X86_LAST_:
break;
}
@ -375,6 +382,10 @@ const char* GetX86FeaturesEnumName(X86FeaturesEnum value) {
return "avx512_4vnniw";
case X86_AVX512_4VBMI2:
return "avx512_4vbmi2";
case X86_SMX:
return "smx";
case X86_SGX:
return "sgx";
case X86_LAST_:
break;
}