diff options
Diffstat (limited to 'UefiCpuPkg/Application')
| -rw-r--r-- | UefiCpuPkg/Application/Cpuid/Cpuid.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/UefiCpuPkg/Application/Cpuid/Cpuid.c b/UefiCpuPkg/Application/Cpuid/Cpuid.c index b0624e1..8726a85 100644 --- a/UefiCpuPkg/Application/Cpuid/Cpuid.c +++ b/UefiCpuPkg/Application/Cpuid/Cpuid.c @@ -594,6 +594,7 @@ CpuidStructuredExtendedFeatureFlags ( Print (L" EAX:%08x EBX:%08x ECX:%08x EDX:%08x\n", Eax, Ebx.Uint32, Ecx.Uint32, 0);
PRINT_BIT_FIELD (Ebx, FSGSBASE);
PRINT_BIT_FIELD (Ebx, IA32_TSC_ADJUST);
+ PRINT_BIT_FIELD (Ebx, SGX);
PRINT_BIT_FIELD (Ebx, BMI1);
PRINT_BIT_FIELD (Ebx, HLE);
PRINT_BIT_FIELD (Ebx, AVX2);
@@ -922,6 +923,121 @@ CpuidPlatformQosEnforcementMainLeaf ( }
/**
+ Display Sub-Leaf 0 Enumeration of Intel SGX Capabilities.
+
+**/
+VOID
+CpuidEnumerationOfIntelSgxCapabilities0SubLeaf (
+ VOID
+ )
+{
+ CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF_EAX Eax;
+ UINT32 Ebx;
+ CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF_EDX Edx;
+
+ AsmCpuidEx (
+ CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF,
+ &Eax.Uint32, &Ebx, NULL, &Edx.Uint32
+ );
+ Print (L"CPUID_INTEL_SGX (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF);
+ Print (L" EAX:%08x EBX:%08x ECX:%08x EDX:%08x\n", Eax.Uint32, Ebx, 0, Edx.Uint32);
+ PRINT_BIT_FIELD (Eax, SGX1);
+ PRINT_BIT_FIELD (Eax, SGX2);
+ PRINT_BIT_FIELD (Edx, MaxEnclaveSize_Not64);
+ PRINT_BIT_FIELD (Edx, MaxEnclaveSize_64);
+}
+
+/**
+ Display Sub-Leaf 1 Enumeration of Intel SGX Capabilities.
+
+**/
+VOID
+CpuidEnumerationOfIntelSgxCapabilities1SubLeaf (
+ VOID
+ )
+{
+ UINT32 Eax;
+ UINT32 Ebx;
+ UINT32 Ecx;
+ UINT32 Edx;
+
+ AsmCpuidEx (
+ CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_1_SUB_LEAF,
+ &Eax, &Ebx, &Ecx, &Edx
+ );
+ Print (L"CPUID_INTEL_SGX (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_1_SUB_LEAF);
+ Print (L" EAX:%08x EBX:%08x ECX:%08x EDX:%08x\n", Eax, Ebx, Ecx, Edx);
+}
+
+/**
+ Display Sub-Leaf Index 2 or Higher Enumeration of Intel SGX Resources.
+
+**/
+VOID
+CpuidEnumerationOfIntelSgxResourcesSubLeaf (
+ VOID
+ )
+{
+ CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_EAX Eax;
+ CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_EBX Ebx;
+ CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_ECX Ecx;
+ CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_EDX Edx;
+ UINT32 SubLeaf;
+
+ SubLeaf = CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF;
+ do {
+ AsmCpuidEx (
+ CPUID_INTEL_SGX, SubLeaf,
+ &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32
+ );
+ if (Eax.Bits.SubLeafType == 0x1) {
+ Print (L"CPUID_INTEL_SGX (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_SGX, SubLeaf);
+ Print (L" EAX:%08x EBX:%08x ECX:%08x EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
+ PRINT_BIT_FIELD (Eax, SubLeafType);
+ PRINT_BIT_FIELD (Eax, LowAddressOfEpcSection);
+ PRINT_BIT_FIELD (Ebx, HighAddressOfEpcSection);
+ PRINT_BIT_FIELD (Ecx, EpcSection);
+ PRINT_BIT_FIELD (Ecx, LowSizeOfEpcSection);
+ PRINT_BIT_FIELD (Edx, HighSizeOfEpcSection);
+ }
+ SubLeaf++;
+ } while (Eax.Bits.SubLeafType == 0x1);
+}
+
+/**
+ Display Intel SGX Resource Enumeration.
+
+**/
+VOID
+CpuidEnumerationOfIntelSgx (
+ VOID
+ )
+{
+ CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EBX Ebx;
+
+ if (CPUID_INTEL_SGX > gMaximumBasicFunction) {
+ return;
+ }
+
+ AsmCpuidEx (
+ CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS,
+ CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO,
+ NULL, &Ebx.Uint32, NULL, NULL
+ );
+ if (Ebx.Bits.SGX != 1) {
+ //
+ // Only if CPUID.(EAX=07H, ECX=0H):EBX.SGX = 1, the processor has support
+ // for Intel SGX.
+ //
+ return;
+ }
+
+ CpuidEnumerationOfIntelSgxCapabilities0SubLeaf ();
+ CpuidEnumerationOfIntelSgxCapabilities1SubLeaf ();
+ CpuidEnumerationOfIntelSgxResourcesSubLeaf ();
+}
+
+/**
Display CPUID_INTEL_PROCESSOR_TRACE sub-leafs.
@param[in] MaximumSubLeaf Maximum sub-leaf index for CPUID_INTEL_PROCESSOR_TRACE.
@@ -1334,6 +1450,7 @@ UefiMain ( CpuidPlatformQosMonitoringEnumerationSubLeaf ();
CpuidPlatformQosMonitoringCapabilitySubLeaf ();
CpuidPlatformQosEnforcementMainLeaf ();
+ CpuidEnumerationOfIntelSgx ();
CpuidIntelProcessorTraceMainLeaf ();
CpuidTimeStampCounter ();
CpuidProcessorFrequency ();
|