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Implement processor feature enumeration mapping
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This commit is contained in:
Aiken Harris
2026-05-14 21:35:43 +02:00
parent 6df6a012d2
commit ed52d421ea
4 changed files with 354 additions and 0 deletions
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121
xtoskrnl/ar/amd64/procsup.cc
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@@ -139,10 +139,131 @@ XTAPI
VOID
AR::ProcSup::IdentifyProcessorFeatures(VOID)
{
ULONG MaxExtendedLeaf, MaxStandardLeaf;
PKPROCESSOR_CONTROL_BLOCK Prcb;
CPUID_REGISTERS CpuRegisters;
/* Get current processor control block */
Prcb = KE::Processor::GetCurrentProcessorControlBlock();
/* Get maximum CPUID standard leaf */
RTL::Memory::ZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
CpuRegisters.Leaf = CPUID_GET_VENDOR_STRING;
AR::CpuFunc::CpuId(&CpuRegisters);
MaxStandardLeaf = CpuRegisters.Eax;
/* Get maximum CPUID extended leaf */
RTL::Memory::ZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
CpuRegisters.Leaf = CPUID_GET_EXTENDED_MAX;
AR::CpuFunc::CpuId(&CpuRegisters);
MaxExtendedLeaf = CpuRegisters.Eax;
/* Check if CPU supports standard features leaf */
if(MaxStandardLeaf >= CPUID_GET_STANDARD1_FEATURES)
{
/* Get CPU standard features */
RTL::Memory::ZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
CpuRegisters.Leaf = CPUID_GET_STANDARD1_FEATURES;
AR::CpuFunc::CpuId(&CpuRegisters);
/* Store CPU standard features in processor control block */
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_SSE3) Prcb->CpuId.FeatureBits |= KCF_SSE3;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_VMX) Prcb->CpuId.FeatureBits |= KCF_VMX;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_SSSE3) Prcb->CpuId.FeatureBits |= KCF_SSSE3;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_SSE4_1) Prcb->CpuId.FeatureBits |= KCF_SSE41;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_SSE4_2) Prcb->CpuId.FeatureBits |= KCF_SSE42;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_X2APIC) Prcb->CpuId.FeatureBits |= KCF_X2APIC;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_POPCNT) Prcb->CpuId.FeatureBits |= KCF_POPCNT;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_TSC_DEADLINE) Prcb->CpuId.FeatureBits |= KCF_TSC_DEADLINE;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_AES) Prcb->CpuId.FeatureBits |= KCF_AES;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_XSAVE) Prcb->CpuId.FeatureBits |= KCF_XSAVE;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_AVX) Prcb->CpuId.FeatureBits |= KCF_AVX;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_RDRAND) Prcb->CpuId.FeatureBits |= KCF_RDRAND;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_VME) Prcb->CpuId.FeatureBits |= KCF_VME;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_PSE) Prcb->CpuId.FeatureBits |= KCF_LARGE_PAGE;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_TSC) Prcb->CpuId.FeatureBits |= KCF_RDTSC;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_PAE) Prcb->CpuId.FeatureBits |= KCF_PAE;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_MCE) Prcb->CpuId.FeatureBits |= KCF_MCE;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_CX8) Prcb->CpuId.FeatureBits |= KCF_CMPXCHG8B;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_APIC) Prcb->CpuId.FeatureBits |= KCF_APIC;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_SEP) Prcb->CpuId.FeatureBits |= KCF_FAST_SYSCALL;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_MTRR) Prcb->CpuId.FeatureBits |= KCF_MTRR;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_PGE) Prcb->CpuId.FeatureBits |= KCF_GLOBAL_PAGE;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_MCA) Prcb->CpuId.FeatureBits |= KCF_MCA;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_CMOV) Prcb->CpuId.FeatureBits |= KCF_CMOV;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_PAT) Prcb->CpuId.FeatureBits |= KCF_PAT;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_PSE36) Prcb->CpuId.FeatureBits |= KCF_PSE36;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_CLFLUSH) Prcb->CpuId.FeatureBits |= KCF_CLFLUSH;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_FXSR) Prcb->CpuId.FeatureBits |= KCF_FXSR;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_ACPI) Prcb->CpuId.FeatureBits |= KCF_ACPI;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_MMX) Prcb->CpuId.FeatureBits |= KCF_MMX;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_SSE) Prcb->CpuId.FeatureBits |= KCF_SSE;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_SSE2) Prcb->CpuId.FeatureBits |= KCF_SSE2;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_HTT) Prcb->CpuId.FeatureBits |= KCF_SMT;
}
/* Check if CPU supports standard7 features leaf */
if(MaxStandardLeaf >= CPUID_GET_STANDARD7_FEATURES)
{
/* Get CPU standard features */
RTL::Memory::ZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
CpuRegisters.Leaf = CPUID_GET_STANDARD7_FEATURES;
AR::CpuFunc::CpuId(&CpuRegisters);
/* Store CPU standard7 features in processor control block */
if(CpuRegisters.Ebx & CPUID_FEATURES_EBX_FSGSBASE) Prcb->CpuId.FeatureBits |= KCF_FSGSBASE;
if(CpuRegisters.Ebx & CPUID_FEATURES_EBX_AVX2) Prcb->CpuId.FeatureBits |= KCF_AVX2;
if(CpuRegisters.Ebx & CPUID_FEATURES_EBX_SMEP) Prcb->CpuId.FeatureBits |= KCF_SMEP;
if(CpuRegisters.Ebx & CPUID_FEATURES_EBX_RDSEED) Prcb->CpuId.FeatureBits |= KCF_RDSEED;
if(CpuRegisters.Ebx & CPUID_FEATURES_EBX_SMAP) Prcb->CpuId.FeatureBits |= KCF_SMAP;
if(CpuRegisters.Ebx & CPUID_FEATURES_EBX_SHA) Prcb->CpuId.FeatureBits |= KCF_SHA;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_LA57) Prcb->CpuId.FeatureBits |= KCF_LA57;
}
/* Check if CPU supports power management leaf */
if(MaxStandardLeaf >= CPUID_GET_POWER_MANAGEMENT)
{
/* Get CPU power management features */
RTL::Memory::ZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
CpuRegisters.Leaf = CPUID_GET_POWER_MANAGEMENT;
AR::CpuFunc::CpuId(&CpuRegisters);
/* Store CPU power management features in processor control block */
if(CpuRegisters.Eax & CPUID_FEATURES_EAX_ARAT) Prcb->CpuId.FeatureBits |= KCF_ARAT;
}
/* Check if CPU supports extended features leaf */
if(MaxExtendedLeaf >= CPUID_GET_EXTENDED_FEATURES)
{
/* Get CPU extended features */
RTL::Memory::ZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
CpuRegisters.Leaf = CPUID_GET_EXTENDED_FEATURES;
AR::CpuFunc::CpuId(&CpuRegisters);
/* Store CPU extended features in processor control block */
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_SVM) Prcb->CpuId.ExtendedFeatureBits |= KCF_SVM;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_SSE4A) Prcb->CpuId.ExtendedFeatureBits |= KCF_SSE4A;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_FMA4) Prcb->CpuId.ExtendedFeatureBits |= KCF_FMA4;
if(CpuRegisters.Ecx & CPUID_FEATURES_ECX_TOPOLOGY_EXTENSIONS) Prcb->CpuId.ExtendedFeatureBits |= KCF_TOPOEXT;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_SYSCALL_SYSRET) Prcb->CpuId.ExtendedFeatureBits |= KCF_SYSCALL;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_NX) Prcb->CpuId.ExtendedFeatureBits |= KCF_NX_BIT;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_RDTSCP) Prcb->CpuId.ExtendedFeatureBits |= KCF_RDTSCP;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_LONG_MODE) Prcb->CpuId.ExtendedFeatureBits |= KCF_64BIT;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_3DNOW_EXT) Prcb->CpuId.ExtendedFeatureBits |= KCF_3DNOW_EXT;
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_3DNOW) Prcb->CpuId.ExtendedFeatureBits |= KCF_3DNOW;
}
/* Check if CPU supports advanced power management leaf */
if(MaxExtendedLeaf >= CPUID_GET_ADVANCED_POWER_MANAGEMENT)
{
/* Get CPU advanced power management features */
RTL::Memory::ZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
CpuRegisters.Leaf = CPUID_GET_ADVANCED_POWER_MANAGEMENT;
AR::CpuFunc::CpuId(&CpuRegisters);
/* Store CPU advanced power management features in processor control block */
if(CpuRegisters.Edx & CPUID_FEATURES_EDX_TSCI) Prcb->CpuId.ExtendedFeatureBits |= KCF_INVARIANT_TSC;
}
}
/**