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UefiCpuPkg/Cpuid.h: Display Intel SGX Resource Enumeration Leaves 

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
This commit is contained in:
Jeff Fan 2016-03-28 09:53:03 +08:00
parent c606a9a5b7
commit f5a2d6f012
1 changed files with 117 additions and 0 deletions
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117
UefiCpuPkg/Application/Cpuid/Cpuid.c
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@ -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);
@ -921,6 +922,121 @@ CpuidPlatformQosEnforcementMainLeaf (
CpuidPlatformQosEnforcementResidSubLeaf ();
}
/**
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.
@ -1334,6 +1450,7 @@ UefiMain (
CpuidPlatformQosMonitoringEnumerationSubLeaf ();
CpuidPlatformQosMonitoringCapabilitySubLeaf ();
CpuidPlatformQosEnforcementMainLeaf ();
CpuidEnumerationOfIntelSgx ();
CpuidIntelProcessorTraceMainLeaf ();
CpuidTimeStampCounter ();
CpuidProcessorFrequency ();