private void GetExtendedTopology(BasicCpu cpu, int leaf)
{
int lwidth = 0;
int level = 0;
CpuIdRegister topo = cpu.CpuRegisters.GetCpuId(leaf, level);
while (topo != null)
{
int ltype = (topo.Result[2] >> 8) & 0xFF;
if (ltype == 0)
{
break;
}
int cwidth = topo.Result[0] & 0xF;
int width = cwidth - lwidth;
int mask = ~(-1 << width);
int id = (int)((Topology.ApicId >> lwidth) & mask);
Topology.CoreTopology.Add(new CpuTopo(id, (CpuTopoType)ltype, mask));
level++;
lwidth = cwidth;
topo = cpu.CpuRegisters.GetCpuId(leaf, level);
}
topo = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
int pwidth = Log2Pof2((topo.Result[1] >> 16) & 0xFF);
int pmask = -1 << pwidth;
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId >> pwidth, CpuTopoType.Package, pmask));
}
private void GetCacheTopology(BasicCpu cpu)
{
if (Features["TOPX"] && cpu.ExtendedFunctionCount >= CacheTopo - MaxExtendedFunction)
{
GetCacheTopologyLeaf(CacheTopo);
}
if (!HasCacheType(1, CacheType.Instruction))
{
GetLegacyCacheL1Instruction(cpu);
}
if (!HasCacheType(1, CacheType.Data))
{
GetLegacyCacheL1Data(cpu);
}
if (!HasCacheType(2, CacheType.Unified))
{
GetLegacyCacheL2Unified(cpu);
}
if (!HasCacheType(3, CacheType.Unified))
{
GetLegacyCacheL3Unified(cpu);
}
GetLegacyCacheL1InstructionTlb(cpu);
GetLegacyCacheL1DataTlb(cpu);
GetLegacyCacheL2InstructionTlb(cpu);
GetLegacyCacheL2DataTlb(cpu);
}
private void GetLegacyCacheL1Instruction(BasicCpu cpu)
{
if (cpu.ExtendedFunctionCount < CacheTlb - MaxExtendedFunction)
{
return;
}
CpuIdRegister cacheTlb = cpu.CpuRegisters.GetCpuId(CacheTlb, 0);
if (cacheTlb == null)
{
return;
}
int ways = (cacheTlb.Result[3] >> 16) & 0xFF;
if (ways == 0)
{
return;
}
if (ways == 255)
{
ways = 0;
}
int lineSize = cacheTlb.Result[3] & 0xFF;
int linesPerTag = (cacheTlb.Result[3] >> 8) & 0xFF;
int size = (cacheTlb.Result[3] >> 24) & 0xFF;
Topology.CacheTopology.Add(new CacheTopoCpu(1, CacheType.Instruction, ways, lineSize * linesPerTag, size));
}
private void GetLegacyCacheL3Unified(BasicCpu cpu)
{
if (cpu.ExtendedFunctionCount < CacheL2Tlb - MaxExtendedFunction)
{
return;
}
CpuIdRegister cacheL3 = cpu.CpuRegisters.GetCpuId(CacheL2Tlb, 0);
if (cacheL3 == null)
{
return;
}
int ways = GetL2Associativity((cacheL3.Result[3] >> 12) & 0xF);
if (ways < 0)
{
return;
}
int lineSize = cacheL3.Result[3] & 0xFF;
int linesPerTag = (cacheL3.Result[3] >> 8) & 0xF;
int size = (cacheL3.Result[3] >> 18) & 0x3FFF;
Topology.CacheTopology.Add(new CacheTopoCpu(3, CacheType.Unified, ways, lineSize * linesPerTag, size * 512));
}
private void GetCpuTopology(BasicCpu cpu)
{
CpuIdRegister apic = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
if (!Features["HTT"] || !Features["CMP"] || cpu.ExtendedFunctionCount < ExtendedFeatureIds - MaxExtendedFunction)
{
Topology.ApicId = (apic.Result[1] >> 24) & 0xFF;
Topology.CoreTopology.Add(new CpuTopo(0, CpuTopoType.Core, 0));
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId, CpuTopoType.Package, -1));
return;
}
CpuIdRegister extFeatureIds = cpu.CpuRegisters.GetCpuId(ExtendedFeatureIds, 0);
int apicIdSize = (extFeatureIds.Result[2] >> 12) & 0xF;
int coreBits;
if (apicIdSize == 0)
{
// There are two possible places to get this:
// - from LogicalProcessorCount = CPUID(01h).EBX[23:16] (Intel); or
// - from NC = CPUID(80000008h).ECX[7:0] (from AMD).
int mnlp = (extFeatureIds.Result[2] >> 16) & 0xF + 1;
coreBits = Log2Pof2(mnlp);
}
else
{
coreBits = apicIdSize;
}
long coreMask = ~(-1 << coreBits);
long pkgMask = ~coreMask;
if (!Features["TOPX"] || cpu.ExtendedFunctionCount < ProcessorTopo - MaxExtendedFunction)
{
Topology.ApicId = (apic.Result[1] >> 24) & 0xFF;
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId & coreMask, CpuTopoType.Core, coreMask));
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId >> coreBits, CpuTopoType.Package, pkgMask));
return;
}
// Topology Extensions
CpuIdRegister topoCpu = cpu.CpuRegisters.GetCpuId(ProcessorTopo, 0);
Topology.ApicId = topoCpu.Result[0];
int smt = ((topoCpu.Result[1] >> 8) & 0xFF) + 1;
int smtBits = Log2Pof2(smt);
int smtMask = ~(-1 << smtBits);
int core = topoCpu.Result[1] & 0xFF;
// [6] describes NodesPerProcessor, but doesn't describe how to calculate the actual socket number, which
// this software provides as the "Package". So the Package for now may not reflect the number of sockets if
// NodesPerProcessor is non-zero (1 node per processor).
int die = topoCpu.Result[2] & 0xFF; // AMD calls this the NodeId.
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId & smtMask, CpuTopoType.Smt, smtMask));
Topology.CoreTopology.Add(new CpuTopo(core, CpuTopoType.Core, coreMask));
Topology.CoreTopology.Add(new CpuTopo(die, CpuTopoType.Node, coreMask));
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId >> coreBits, CpuTopoType.Package, pkgMask));
}
private int GetMaxNumberOfLogicalProcessors(BasicCpu cpu)
{
if (Features["HTT"])
{
CpuIdRegister apic = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
return((apic.Result[1] >> 16) & 0xFF);
}
return(1);
}
private void GetLegacyCacheL1InstructionTlb(BasicCpu cpu)
{
if (cpu.ExtendedFunctionCount < CacheTlb - MaxExtendedFunction)
{
return;
}
CpuIdRegister cacheTlb = cpu.CpuRegisters.GetCpuId(CacheTlb, 0);
if (cacheTlb == null)
{
return;
}
int ways2m = (cacheTlb.Result[0] >> 8) & 0xFF;
if (ways2m != 0)
{
if (ways2m == 255)
{
ways2m = 0;
}
int entries2m = cacheTlb.Result[0] & 0xFF;
Topology.CacheTopology.Add(new CacheTopoTlb(1, CacheType.InstructionTlb2M4M, ways2m, entries2m));
}
int ways4k = (cacheTlb.Result[1] >> 8) & 0xFF;
if (ways4k != 0)
{
if (ways4k == 255)
{
ways4k = 0;
}
int entries4k = cacheTlb.Result[1] & 0xFF;
Topology.CacheTopology.Add(new CacheTopoTlb(1, CacheType.InstructionTlb4k, ways4k, entries4k));
}
if (cpu.ExtendedFunctionCount < CacheTlb1G - MaxExtendedFunction)
{
return;
}
CpuIdRegister cacheTlb1g = cpu.CpuRegisters.GetCpuId(CacheTlb1G, 0);
if (cacheTlb1g == null)
{
return;
}
int ways1g = GetL2Associativity((cacheTlb1g.Result[0] >> 12) & 0xF);
if (ways1g >= 0)
{
int entries1g = cacheTlb1g.Result[0] & 0xFFF;
Topology.CacheTopology.Add(new CacheTopoTlb(1, CacheType.InstructionTlb1G, ways1g, entries1g));
}
}
private IEnumerable <BasicCpu> GetCpuNodes(XmlNodeList xmlNodes)
{
List <BasicCpu> cpus = new List <BasicCpu>();
foreach (XmlNode cpuNode in xmlNodes)
{
BasicCpu cpu = new BasicCpu(cpuNode);
cpus.Add(cpu);
}
return(cpus);
}
private void GetLegacyCacheL2DataTlb(BasicCpu cpu)
{
if (cpu.ExtendedFunctionCount < CacheL2Tlb - MaxExtendedFunction)
{
return;
}
CpuIdRegister cacheL2Tlb = cpu.CpuRegisters.GetCpuId(CacheL2Tlb, 0);
if (cacheL2Tlb == null)
{
return;
}
int ways2m = GetL2Associativity((cacheL2Tlb.Result[0] >> 28) & 0xF);
if (ways2m >= 0)
{
int entries2m = (cacheL2Tlb.Result[0] >> 16) & 0xFFF;
Topology.CacheTopology.Add(new CacheTopoTlb(2, CacheType.DataTlb2M4M, ways2m, entries2m));
}
int ways4k = GetL2Associativity((cacheL2Tlb.Result[1] >> 28) & 0xF);
if (ways4k >= 0)
{
int entries4k = (cacheL2Tlb.Result[1] >> 16) & 0xFFF;
Topology.CacheTopology.Add(new CacheTopoTlb(2, CacheType.DataTlb4k, ways4k, entries4k));
}
if (cpu.ExtendedFunctionCount < CacheTlb1G - MaxExtendedFunction)
{
return;
}
CpuIdRegister cacheTlb1g = cpu.CpuRegisters.GetCpuId(CacheTlb1G, 0);
if (cacheTlb1g == null)
{
return;
}
int ways1g = GetL2Associativity((cacheTlb1g.Result[1] >> 28) & 0xF);
if (ways1g >= 0)
{
int entries1g = (cacheTlb1g.Result[1] >> 16) & 0xFFF;
Topology.CacheTopology.Add(new CacheTopoTlb(2, CacheType.DataTlb1G, ways1g, entries1g));
}
}
private void GetProcessorSignature(BasicCpu cpu)
{
if (cpu.FunctionCount == 0)
{
return;
}
CpuIdRegister feature = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
if (feature == null)
{
return;
}
m_ProcessorSignature = feature.Result[0] & 0x0FFF3FFF;
m_ExtendedFamily = (m_ProcessorSignature >> 20) & 0xFF;
m_ExtendedModel = (m_ProcessorSignature >> 16) & 0xF;
m_ProcessorType = (m_ProcessorSignature >> 12) & 0x3;
m_FamilyCode = (m_ProcessorSignature >> 8) & 0xF;
m_ModelNumber = (m_ProcessorSignature >> 4) & 0xF;
m_SteppingId = m_ProcessorSignature & 0xF;
}
protected ICpuIdX86 Create(BasicCpu cpu)
{
ICpuIdX86 x86cpu;
switch (cpu.VendorId)
{
case "GenuineIntel":
try {
x86cpu = new GenuineIntelCpu(cpu);
} catch {
if (!cpu.CpuRegisters.IsOnline)
{
throw;
}
x86cpu = new GenericIntelCpu(cpu);
}
break;
case "AuthenticAMD":
try {
x86cpu = new AuthenticAmdCpu(cpu);
} catch {
if (!cpu.CpuRegisters.IsOnline)
{
throw;
}
x86cpu = new GenericIntelCpu(cpu);
}
break;
default:
x86cpu = new GenericIntelCpu(cpu);
break;
}
x86cpu.Topology.CoreTopology.IsReadOnly = true;
x86cpu.Topology.CacheTopology.IsReadOnly = true;
return(x86cpu);
}
private void GetProcessorSignature(BasicCpu cpu)
{
if (cpu.FunctionCount == 0)
{
return;
}
CpuIdRegister feature = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
if (feature == null)
{
return;
}
int eax = feature.Result[0];
int ebx = feature.Result[1];
if ((eax & 0xf00) == 0x300)
{
// Sounds crazy, but someone's emulating an i386. Major Stepping is the Model property.
m_ProcessorSignature = eax & 0xFFFF;
m_ProcessorType = (m_ProcessorSignature >> 12) & 0xF;
m_FamilyCode = (m_ProcessorSignature >> 8) & 0xF;
m_ModelNumber = (m_ProcessorSignature >> 4) & 0xF;
m_SteppingId = m_ProcessorSignature & 0xF;
}
else
{
m_ProcessorSignature = eax & 0x0FFF3FFF;
m_ExtendedFamily = (m_ProcessorSignature >> 20) & 0xFF;
m_ExtendedModel = (m_ProcessorSignature >> 16) & 0xF;
m_ProcessorType = (m_ProcessorSignature >> 12) & 0x3;
m_FamilyCode = (m_ProcessorSignature >> 8) & 0xF;
m_ModelNumber = (m_ProcessorSignature >> 4) & 0xF;
m_SteppingId = m_ProcessorSignature & 0xF;
m_Brand = ebx & 0xFF;
}
}
private IEnumerable <BasicCpu> GetLocalCpuNodes()
{
if (CpuIdLib.hascpuid() == 0)
{
throw new PlatformNotSupportedException("CPUID instruction not supported");
}
CpuIdLib.CpuIdInfo[] data = new CpuIdLib.CpuIdInfo[MaxCpuLeaves * MaxCpus];
int r = CpuIdLib.iddumpall(data, Marshal.SizeOf(data[0]) * data.Length);
// Each CPU has the first element with EAX=0xFFFFFFFF and the CPU number as ECX. This isn't captured by the
// CPUID instruction, but a part of the library to allow separating the CPU information
List <BasicCpu> cpus = new List <BasicCpu>();
int cpustart = 0;
for (int i = 0; i < r; i++)
{
if (data[i].veax == -1)
{
// Describes the start of a CPU node.
if (i - cpustart > 0)
{
// Process the data that we had.
BasicCpu cpu = new BasicCpu(data, cpustart + 1, i - cpustart - 1);
cpus.Add(cpu);
}
cpustart = i;
}
}
if (r - cpustart > 0)
{
// Process the data that we had.
BasicCpu cpu = new BasicCpu(data, cpustart + 1, r - cpustart - 1);
cpus.Add(cpu);
}
return(cpus);
}
private void FindExtendedFeatures(BasicCpu cpu)
{
if (cpu.ExtendedFunctionCount < 1)
{
return;
}
CpuIdRegister extfeat = cpu.CpuRegisters.GetCpuId(ExtendedInformationFunction, 0);
if (extfeat != null)
{
TestFeature("AHF64", extfeat, 2, 0);
TestFeature("ABM", extfeat, 2, 5);
TestFeature("PREFETCHW", extfeat, 2, 8);
ReservedFeature(extfeat, 2, unchecked ((int)0xFFFFFEDE));
TestFeature("SYSCALL", extfeat, 3, 11);
TestFeature("XD", extfeat, 3, 20);
TestFeature("1GB_PAGE", extfeat, 3, 26);
TestFeature("RDTSCP", extfeat, 3, 27);
TestFeature("LM", extfeat, 3, 29);
ReservedFeature(extfeat, 3, unchecked ((int)0xD3EFF7FF));
}
}
private void GetCacheTopology(BasicCpu cpu)
{
if (cpu.FunctionCount >= LegacyCache)
{
bool leafTlb = false;
bool leafCpu = false;
bool noExtraCache = false;
CpuIdRegister cache = cpu.CpuRegisters.GetCpuId(LegacyCache, 0);
if (cache != null && (cache.Result[0] & 0xFF) == 0x01)
{
GetLegacyCacheTopology(cache.Result[0] & unchecked ((int)0xFFFFFF00), ref leafCpu, ref leafTlb, ref noExtraCache);
GetLegacyCacheTopology(cache.Result[1], ref leafCpu, ref leafTlb, ref noExtraCache);
GetLegacyCacheTopology(cache.Result[2], ref leafCpu, ref leafTlb, ref noExtraCache);
GetLegacyCacheTopology(cache.Result[3], ref leafCpu, ref leafTlb, ref noExtraCache);
}
FixLegacyCacheMask(noExtraCache);
if (leafCpu && cpu.FunctionCount > LegacyTopology)
{
GetCacheTopologyLeaf(LegacyTopology);
}
}
}
internal GenuineIntelCpu(BasicCpu cpu) : base(cpu)
{
GetProcessorSignature(cpu);
if (m_ProcessorSignature == 0)
{
Description = string.Empty;
return;
}
ProcessorSignature = m_ProcessorSignature;
// Calculations taken from Intel Developer Manual Volume 2, 325383-072US, May 2020
if (m_FamilyCode != 0x0F)
{
Family = m_FamilyCode;
}
else
{
Family = m_ExtendedFamily + m_FamilyCode;
}
if (m_FamilyCode == 0x06 || m_FamilyCode == 0x0F)
{
Model = (m_ExtendedModel << 4) + m_ModelNumber;
}
else
{
Model = m_ModelNumber;
}
Stepping = m_SteppingId;
ProcessorType = m_ProcessorType;
BrandString = IntelLegacySignatures.GetType(m_ExtendedFamily, m_ExtendedModel, m_ProcessorType, m_FamilyCode, m_ModelNumber);
Description = GetDescription();
FindFeatures(cpu);
GetCpuTopology(cpu);
GetCacheTopology(cpu);
}
internal AuthenticAmdCpu(BasicCpu cpu) : base(cpu)
{
GetProcessorSignature(cpu);
if (m_ProcessorSignature == 0)
{
Description = string.Empty;
return;
}
ProcessorSignature = m_ProcessorSignature;
if (m_FamilyCode != 0x0F)
{
Family = m_FamilyCode;
}
else
{
Family = m_ExtendedFamily + m_FamilyCode;
}
if (m_FamilyCode == 0x0F)
{
Model = (m_ExtendedModel << 4) + m_ModelNumber;
}
else
{
Model = m_ModelNumber;
}
Stepping = m_SteppingId;
ProcessorType = m_ProcessorType;
BrandString = AmdBrandIdentifier.GetType(this);
Description = GetDescription();
FindFeatures(cpu);
GetCpuTopology(cpu);
GetCacheTopology(cpu);
}
private void FindFeatures(BasicCpu cpu)
{
if (cpu.FunctionCount < FeatureInformationFunction)
{
return;
}
CpuIdRegister features = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
if (features != null)
{
TestFeature("FPU", features, 3, 0);
TestFeature("VME", features, 3, 1);
TestFeature("DE", features, 3, 2);
TestFeature("PSE", features, 3, 3);
TestFeature("TSC", features, 3, 4);
TestFeature("MSR", features, 3, 5);
TestFeature("PAE", features, 3, 6);
TestFeature("MCE", features, 3, 7);
TestFeature("CX8", features, 3, 8);
TestFeature("SEP", features, 3, 11);
TestFeature("MTRR", features, 3, 12);
TestFeature("MCA", features, 3, 14);
TestFeature("CMOV", features, 3, 15);
TestFeature("PAT", features, 3, 16);
TestFeature("PSE-36", features, 3, 17);
TestFeature("CLFSH", features, 3, 19);
TestFeature("MMX", features, 3, 23);
TestFeature("FXSR", features, 3, 24);
TestFeature("SSE", features, 3, 25);
TestFeature("SSE2", features, 3, 26);
TestFeature("HTT", features, 3, 28);
if (Family == 5 && Model == 0)
{
// [17] says AMD K5 Model 0, bit 9 is for PGE, where bit 13 is reserved.
TestFeature("PGE", features, 3, 9);
}
else
{
TestFeature("APIC", features, 3, 9);
TestFeature("PGE", features, 3, 13);
}
ReservedFeature(features, 3, unchecked ((int)0xE8740400));
TestFeature("SSE3", features, 2, 0);
TestFeature("PCLMULQDQ", features, 2, 1);
TestFeature("MONITOR", features, 2, 3);
TestFeature("SSSE3", features, 2, 9);
TestFeature("FMA", features, 2, 12);
TestFeature("CMPXCHG16B", features, 2, 13);
TestFeature("PCID", features, 2, 17);
TestFeature("SSE4.1", features, 2, 19);
TestFeature("SSE4.2", features, 2, 20);
TestFeature("x2APIC", features, 2, 21); // [8]
TestFeature("MOVBE", features, 2, 22);
TestFeature("POPCNT", features, 2, 23);
TestFeature("AESNI", features, 2, 25);
TestFeature("XSAVE", features, 2, 26);
TestFeature("OSXSAVE", features, 2, 27);
TestFeature("AVX", features, 2, 28);
TestFeature("F16C", features, 2, 29);
TestFeature("RDRAND", features, 2, 30);
TestFeature("HYPERVISOR", features, 2, 31);
ReservedFeature(features, 2, 0x0105CDF4);
}
FindExtendedFeatures(cpu);
if (cpu.FunctionCount < ExtendedFeatureFunction)
{
return;
}
CpuIdRegister features7 = cpu.CpuRegisters.GetCpuId(ExtendedFeatureFunction, 0);
if (features7 != null)
{
TestFeature("FSGSBASE", features7, 1, 0);
TestFeature("BMI1", features7, 1, 3);
TestFeature("AVX2", features7, 1, 5);
TestFeature("SMEP", features7, 1, 7);
TestFeature("BMI2", features7, 1, 8);
TestFeature("INVPCID", features7, 1, 10);
TestFeature("PQM", features7, 1, 12);
TestFeature("PQE", features7, 1, 15);
TestFeature("RDSEED", features7, 1, 18);
TestFeature("ADX", features7, 1, 19);
TestFeature("SMAP", features7, 1, 20);
// [6] has an error, bit 22 is not RDPID as given on p606
TestFeature("CLFLUSHOPT", features7, 1, 23);
TestFeature("CLWB", features7, 1, 24);
TestFeature("SHA", features7, 1, 29);
ReservedFeature(features7, 1, unchecked ((int)0xDE636A56));
TestFeature("UMIP", features7, 2, 2);
TestFeature("PKU", features7, 2, 3);
TestFeature("OSPKE", features7, 2, 4);
TestFeature("CET_SS", features7, 2, 7);
TestFeature("VAES", features7, 2, 9);
TestFeature("VPCLMULQDQ", features7, 2, 10);
ReservedFeature(features7, 2, unchecked ((int)0xFFBFF963));
TestFeature("RDPID", features7, 3, 22);
ReservedFeature(features7, 3, unchecked ((int)0xFFBFFFFF));
if (features7.Result[0] > 0)
{
for (int subfunction = 1; subfunction < features7.Result[0]; subfunction++)
{
CpuIdRegister features7sX = cpu.CpuRegisters.GetCpuId(ExtendedFeatureFunction, subfunction);
if (features7sX != null)
{
ReservedFeature(features7sX, 0, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7sX, 1, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7sX, 2, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7sX, 3, unchecked ((int)0xFFFFFFFF));
}
}
}
}
if (cpu.FunctionCount < ExtendedProcessorState)
{
return;
}
CpuIdRegister features13 = cpu.CpuRegisters.GetCpuId(ExtendedProcessorState, 1);
if (features13 != null)
{
TestFeature("XSAVEOPT", features13, 0, 0);
TestFeature("XSAVEC", features13, 0, 1);
TestFeature("XGETBV", features13, 0, 2);
TestFeature("XSAVES", features13, 0, 3);
}
}
private void FindFeatures(BasicCpu cpu)
{
if (cpu.FunctionCount < FeatureInformationFunction)
{
return;
}
CpuIdRegister features = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
if (features != null)
{
TestFeature("FPU", features, 3, 0);
TestFeature("VME", features, 3, 1);
TestFeature("DE", features, 3, 2);
TestFeature("PSE", features, 3, 3);
TestFeature("TSC", features, 3, 4);
TestFeature("MSR", features, 3, 5);
TestFeature("PAE", features, 3, 6);
TestFeature("MCE", features, 3, 7);
TestFeature("CX8", features, 3, 8);
TestFeature("APIC", features, 3, 9);
TestFeature("SEP", features, 3, 11);
TestFeature("MTRR", features, 3, 12);
TestFeature("PGE", features, 3, 13);
TestFeature("MCA", features, 3, 14);
TestFeature("CMOV", features, 3, 15);
TestFeature("PAT", features, 3, 16);
TestFeature("PSE-36", features, 3, 17);
TestFeature("PSN", features, 3, 18);
TestFeature("CLFSH", features, 3, 19);
TestFeature("DS", features, 3, 21);
TestFeature("ACPI", features, 3, 22);
TestFeature("MMX", features, 3, 23);
TestFeature("FXSR", features, 3, 24);
TestFeature("SSE", features, 3, 25);
TestFeature("SSE2", features, 3, 26);
TestFeature("SS", features, 3, 27);
TestFeature("HTT", features, 3, 28);
TestFeature("TM", features, 3, 29);
TestFeature("IA64", features, 3, 30); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("PBE", features, 3, 31);
if (Features["SEP"] && ProcessorSignature < 0x633)
{
Features["SEP"] = false;
}
ReservedFeature(features, 3, 0x00100400);
TestFeature("SSE3", features, 2, 0);
TestFeature("PCLMULQDQ", features, 2, 1);
TestFeature("DTES64", features, 2, 2);
TestFeature("MONITOR", features, 2, 3);
TestFeature("DS-CPL", features, 2, 4);
TestFeature("VMX", features, 2, 5);
TestFeature("SMX", features, 2, 6);
TestFeature("EIST", features, 2, 7);
TestFeature("TM2", features, 2, 8);
TestFeature("SSSE3", features, 2, 9);
TestFeature("CNXT-ID", features, 2, 10);
TestFeature("SDBG", features, 2, 11);
TestFeature("FMA", features, 2, 12);
TestFeature("CMPXCHG16B", features, 2, 13);
TestFeature("xTPR", features, 2, 14);
TestFeature("PDCM", features, 2, 15);
TestFeature("PCID", features, 2, 17);
TestFeature("DCA", features, 2, 18);
TestFeature("SSE4.1", features, 2, 19);
TestFeature("SSE4.2", features, 2, 20);
TestFeature("x2APIC", features, 2, 21);
TestFeature("MOVBE", features, 2, 22);
TestFeature("POPCNT", features, 2, 23);
TestFeature("TSC-DEADLINE", features, 2, 24);
TestFeature("AESNI", features, 2, 25);
TestFeature("XSAVE", features, 2, 26);
TestFeature("OSXSAVE", features, 2, 27);
TestFeature("AVX", features, 2, 28);
TestFeature("F16C", features, 2, 29);
TestFeature("RDRAND", features, 2, 30);
TestFeature("HYPERVISOR", features, 2, 31); // Wikipedia https://en.wikipedia.org/wiki/CPUID
ReservedFeature(features, 2, 0x00010000);
}
FindExtendedFeatures(cpu);
if (cpu.FunctionCount < ExtendedFeatureFunction)
{
return;
}
CpuIdRegister features7 = cpu.CpuRegisters.GetCpuId(ExtendedFeatureFunction, 0);
if (features7 != null)
{
TestFeature("FSGSBASE", features7, 1, 0);
TestFeature("IA32_TSC_ADJUST", features7, 1, 1);
TestFeature("SGX", features7, 1, 2);
TestFeature("BMI1", features7, 1, 3);
TestFeature("HLE", features7, 1, 4);
TestFeature("AVX2", features7, 1, 5);
TestFeature("FDP_EXCPTN_ONLY", features7, 1, 6);
TestFeature("SMEP", features7, 1, 7);
TestFeature("BMI2", features7, 1, 8);
TestFeature("ERMS", features7, 1, 9);
TestFeature("INVPCID", features7, 1, 10);
TestFeature("RTM", features7, 1, 11);
TestFeature("PQM", features7, 1, 12);
TestFeature("FPU-CS Dep", features7, 1, 13);
TestFeature("MPX", features7, 1, 14);
TestFeature("PQE", features7, 1, 15);
TestFeature("AVX512F", features7, 1, 16);
TestFeature("AVX512DQ", features7, 1, 17);
TestFeature("RDSEED", features7, 1, 18);
TestFeature("ADX", features7, 1, 19);
TestFeature("SMAP", features7, 1, 20);
TestFeature("AVX512_IFMA", features7, 1, 21);
TestFeature("CLFLUSHOPT", features7, 1, 23);
TestFeature("CLWB", features7, 1, 24);
TestFeature("INTEL_PT", features7, 1, 25);
TestFeature("AVX512PF", features7, 1, 26);
TestFeature("AVX512ER", features7, 1, 27);
TestFeature("AVX512CD", features7, 1, 28);
TestFeature("SHA", features7, 1, 29);
TestFeature("AVX512BW", features7, 1, 30);
TestFeature("AVX512VL", features7, 1, 31);
ReservedFeature(features7, 1, 0x00400000);
TestFeature("PREFETCHWT1", features7, 2, 0);
TestFeature("AVX512_VBMI", features7, 2, 1);
TestFeature("UMIP", features7, 2, 2);
TestFeature("PKU", features7, 2, 3);
TestFeature("OSPKE", features7, 2, 4);
TestFeature("WAITPKG", features7, 2, 5);
TestFeature("AVX512_VBMI2", features7, 2, 6);
TestFeature("CET_SS", features7, 2, 7);
TestFeature("GFNI", features7, 2, 8);
TestFeature("VAES", features7, 2, 9);
TestFeature("VPCLMULQDQ", features7, 2, 10);
TestFeature("AVX512_VNNI", features7, 2, 11);
TestFeature("AVX512_BITALG", features7, 2, 12);
TestFeature("AVX512_VPOPCNTDQ", features7, 2, 14);
TestFeature("5L_PAGE", features7, 2, 15); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("RDPID", features7, 2, 22);
TestFeature("CLDEMOTE", features7, 2, 25);
TestFeature("MOVDIRI", features7, 2, 27);
TestFeature("MOVDIR64B", features7, 2, 28);
TestFeature("ENQCMD", features7, 2, 29); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("SGX_LC", features7, 2, 30);
TestFeature("PKS", features7, 2, 31);
ReservedFeature(features7, 2, 0x05BF2000);
TestFeature("AVX512_4VNNIW", features7, 3, 2);
TestFeature("AVX512_4FMAPS", features7, 3, 3);
TestFeature("FSRM", features7, 3, 4);
TestFeature("AVX512_VP2INTERSECT", features7, 3, 8); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("SRBDS_CTRL", features7, 3, 9); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("MD_CLEAR", features7, 3, 10);
TestFeature("TSX_FORCE_ABORT", features7, 3, 13); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("SERIALIZE", features7, 3, 14); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("Hybrid", features7, 3, 15);
TestFeature("TSXLDTRK", features7, 3, 16); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("PCONFIG", features7, 3, 18); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("LBR", features7, 3, 19); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("CET_IBT", features7, 3, 20);
TestFeature("AMX_BF16", features7, 3, 22); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("AMX_TILE", features7, 3, 24); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("AMX_INT8", features7, 3, 25); // Wikipedia https://en.wikipedia.org/wiki/CPUID
TestFeature("IBRS_IBPB", features7, 3, 26);
TestFeature("STIBP", features7, 3, 27);
TestFeature("L1D_FLUSH", features7, 3, 28);
TestFeature("IA32_ARCH_CAPABILITIES", features7, 3, 29);
TestFeature("IA32_CORE_CAPABILITIES", features7, 3, 30);
TestFeature("SSBD", features7, 3, 31);
ReservedFeature(features7, 3, 0x00A218E3);
if (features7.Result[0] > 0)
{
CpuIdRegister features7s1 = cpu.CpuRegisters.GetCpuId(ExtendedFeatureFunction, 1);
if (features7s1 != null)
{
TestFeature("AVX_BF16", features7s1, 0, 5); // Wikipedia https://en.wikipedia.org/wiki/CPUID
ReservedFeature(features7s1, 0, unchecked ((int)0xFFFFFFDF));
ReservedFeature(features7s1, 1, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7s1, 2, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7s1, 3, unchecked ((int)0xFFFFFFFF));
}
for (int subfunction = 2; subfunction < features7.Result[0]; subfunction++)
{
CpuIdRegister features7sX = cpu.CpuRegisters.GetCpuId(ExtendedFeatureFunction, subfunction);
if (features7sX != null)
{
ReservedFeature(features7sX, 0, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7sX, 1, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7sX, 2, unchecked ((int)0xFFFFFFFF));
ReservedFeature(features7sX, 3, unchecked ((int)0xFFFFFFFF));
}
}
}
}
if (cpu.FunctionCount < ExtendedProcessorState)
{
return;
}
CpuIdRegister features13 = cpu.CpuRegisters.GetCpuId(ExtendedProcessorState, 1);
if (features13 != null)
{
TestFeature("XSAVEOPT", features13, 0, 0);
TestFeature("XSAVEC", features13, 0, 1);
TestFeature("XGETBV", features13, 0, 2);
TestFeature("XSAVES", features13, 0, 3);
}
}
private void GetCpuTopology(BasicCpu cpu)
{
if (!Features["HTT"] || !Features["APIC"])
{
if (Features["x2APIC"] && cpu.FunctionCount >= ExtendedTopology)
{
CpuIdRegister x2apic = cpu.CpuRegisters.GetCpuId(ExtendedTopology, 0);
Topology.ApicId = x2apic.Result[3];
}
else if (cpu.FunctionCount >= FeatureInformationFunction)
{
CpuIdRegister apic = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
Topology.ApicId = (apic.Result[1] >> 24) & 0xFF;
}
else
{
Topology.ApicId = -1;
return;
}
int mnlpbits = Log2Pof2(GetMaxNumberOfLogicalProcessors(cpu));
Topology.CoreTopology.Add(new CpuTopo(0, CpuTopoType.Core, ~(-1 << mnlpbits)));
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId, CpuTopoType.Package, -1 << mnlpbits));
return;
}
if (Features["x2APIC"] && cpu.FunctionCount >= ExtendedTopology2)
{
CpuIdRegister x2apic = cpu.CpuRegisters.GetCpuId(ExtendedTopology, 0);
Topology.ApicId = x2apic.Result[3];
GetExtendedTopology(cpu, ExtendedTopology2);
}
else if (Features["x2APIC"] && cpu.FunctionCount >= ExtendedTopology)
{
CpuIdRegister x2apic = cpu.CpuRegisters.GetCpuId(ExtendedTopology, 0);
Topology.ApicId = x2apic.Result[3];
GetExtendedTopology(cpu, ExtendedTopology);
}
else if (cpu.FunctionCount >= LegacyTopology)
{
CpuIdRegister apic = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
CpuIdRegister topo = cpu.CpuRegisters.GetCpuId(LegacyTopology, 0);
Topology.ApicId = (apic.Result[1] >> 24) & 0xFF;
GetLegacyTopology(apic, topo);
}
else
{
CpuIdRegister apic = cpu.CpuRegisters.GetCpuId(FeatureInformationFunction, 0);
if (Features["APIC"])
{
Topology.ApicId = (apic.Result[1] >> 24) & 0xFF;
}
else
{
Topology.ApicId = 0;
}
int mnlpbits = Log2Pof2(GetMaxNumberOfLogicalProcessors(cpu));
Topology.CoreTopology.Add(new CpuTopo(0, CpuTopoType.Core, ~(-1 << mnlpbits)));
Topology.CoreTopology.Add(new CpuTopo(Topology.ApicId, CpuTopoType.Package, -1 << mnlpbits));
}
}
internal GenericIntelCpuBase(BasicCpu cpu)
{
m_Cpu = cpu;
Features = new CpuFeatures();
Topology = new Topology();
}
private void FindExtendedFeatures(BasicCpu cpu)
{
if (cpu.ExtendedFunctionCount < 1)
{
return;
}
CpuIdRegister extfeat = cpu.CpuRegisters.GetCpuId(ExtendedInformationFunction, 0);
if (extfeat != null)
{
TestFeature("AHF64", extfeat, 2, 0);
TestFeature("CMP", extfeat, 2, 1); // CmpLegacy
TestFeature("SVM", extfeat, 2, 2);
TestFeature("ExtApicSpace", extfeat, 2, 3);
TestFeature("AM", extfeat, 2, 4);
TestFeature("ABM", extfeat, 2, 5);
TestFeature("SSE4A", extfeat, 2, 6);
TestFeature("MisAlignSSE", extfeat, 2, 7);
TestFeature("PREFETCHW", extfeat, 2, 8);
TestFeature("OSVW", extfeat, 2, 9);
TestFeature("IBS", extfeat, 2, 10);
TestFeature("XOP", extfeat, 2, 11);
TestFeature("SKINIT", extfeat, 2, 12);
TestFeature("WDT", extfeat, 2, 13);
TestFeature("LWP", extfeat, 2, 15);
TestFeature("FMA4", extfeat, 2, 16);
TestFeature("TCE", extfeat, 2, 17); // [9]
TestFeature("NODEID", extfeat, 2, 19); // [9]
TestFeature("TBM", extfeat, 2, 21); // [9]
TestFeature("TOPX", extfeat, 2, 22); // TopologyExtensions
TestFeature("PerfCtrExtCore", extfeat, 2, 23);
TestFeature("PerfCtrExtNB", extfeat, 2, 24);
TestFeature("StreamPerfMon", extfeat, 2, 25); // [6a], now reserved
TestFeature("DBE", extfeat, 2, 26);
TestFeature("PerfTSC", extfeat, 2, 27);
TestFeature("PerfL2I", extfeat, 2, 28); // Sandpile.org
TestFeature("MONITORX", extfeat, 2, 29);
TestFeature("ADMSK", extfeat, 2, 30); // [10]
ReservedFeature(extfeat, 2, unchecked ((int)0x80144000));
TestFeature("SYSCALL", extfeat, 3, 11);
TestFeature("MP", extfeat, 3, 19); // [17a], now reserved
TestFeature("XD", extfeat, 3, 20);
TestFeature("MMXEXT", extfeat, 3, 22);
TestFeature("FFXSR", extfeat, 3, 25);
TestFeature("1GB_PAGE", extfeat, 3, 26);
TestFeature("RDTSCP", extfeat, 3, 27);
TestFeature("LM", extfeat, 3, 29);
TestFeature("3DNowExt", extfeat, 3, 30);
TestFeature("3DNow", extfeat, 3, 31);
// 3DNowPrefetch ECX[8] || EDX[29] || EDX[31]
Features["PREFETCHW"] |= Features["LM"] || Features["3DNow"];
// The following are duplicated from 0000_0001h.EDX
// 0: FPU 8: CX8 16: PAT 24: FXSR
// 1: VME 9: APIC 17: PSE-36 25:
// 2: DE 10: (RSVD) 18: (RSVD) 26:
// 3: PSE 11: SEP 19: 27:
// 4: TSC 12: MTRR 20: 28: (RSVD)
// 5: MSR 13: PGE 21: (RSVD) 29:
// 6: PAE 14: MCA 22: 30:
// 7: MCE 15: CMOV 23: MMX 31:
ReservedFeature(extfeat, 3, 0x10240400);
}
if (cpu.ExtendedFunctionCount < ExtendedLmApicId - MaxExtendedFunction)
{
return;
}
CpuIdRegister extfeat8 = cpu.CpuRegisters.GetCpuId(ExtendedLmApicId, 0);
if (extfeat8 != null)
{
TestFeature("CLZERO", extfeat8, 1, 0);
TestFeature("IRPERF", extfeat8, 1, 1); // Instruction Retired Counter
TestFeature("ASRFPEP", extfeat8, 1, 2); // Error Pointer Zero/Restore
TestFeature("INVLPGB", extfeat8, 1, 3);
TestFeature("RDPRU", extfeat8, 1, 4);
TestFeature("MBE", extfeat8, 1, 6); // [10]
TestFeature("MCOMMIT", extfeat8, 1, 8);
TestFeature("WBNOINVD", extfeat8, 1, 9);
TestFeature("IBPB", extfeat8, 1, 12); // [10]
TestFeature("INT_WBINVD", extfeat8, 1, 13); // [10]
TestFeature("IBRS", extfeat8, 1, 14); // [10]
TestFeature("STIBP", extfeat8, 1, 15); // [10]
TestFeature("IBRS_ALL", extfeat8, 1, 16); // Sandpile.org
TestFeature("STIBP_ALL", extfeat8, 1, 17); // [10]
TestFeature("IBRS_PREF", extfeat8, 1, 18); // [10]
TestFeature("IBRS_SMP", extfeat8, 1, 19); // [10]
TestFeature("EFER.LMSLE", extfeat8, 1, 20);
TestFeature("INVLPGB_NESTED", extfeat8, 1, 21);
TestFeature("PPIN", extfeat8, 1, 23); // [10]
TestFeature("SSBD", extfeat8, 1, 24); // [10]
ReservedFeature(extfeat8, 1, unchecked ((int)0xFE400CA0));
}
if (cpu.ExtendedFunctionCount < ExtendedEncMem - MaxExtendedFunction)
{
return;
}
CpuIdRegister extfeat1f = cpu.CpuRegisters.GetCpuId(ExtendedEncMem, 0);
if (extfeat1f != null)
{
TestFeature("SME", extfeat1f, 0, 0);
TestFeature("SEV", extfeat1f, 0, 1);
TestFeature("PageFlushMsr", extfeat1f, 0, 2);
TestFeature("ES", extfeat1f, 0, 3);
TestFeature("SNP", extfeat1f, 0, 4);
TestFeature("VMPL", extfeat1f, 0, 5);
TestFeature("VTE", extfeat1f, 0, 16);
ReservedFeature(extfeat1f, 0, unchecked ((int)0xFFFEFFC0));
}
}