private string GetHypervisor(CpuIdRegister register)
{
if (register == null)
{
return(null);
}
StringBuilder description = new StringBuilder();
int ebx = register.Result[1];
int ecx = register.Result[2];
int edx = register.Result[3];
Append(description, ebx & 0xFF);
Append(description, (ebx >> 8) & 0xFF);
Append(description, (ebx >> 16) & 0xFF);
Append(description, (ebx >> 24) & 0xFF);
Append(description, ecx & 0xFF);
Append(description, (ecx >> 8) & 0xFF);
Append(description, (ecx >> 16) & 0xFF);
Append(description, (ecx >> 24) & 0xFF);
Append(description, edx & 0xFF);
Append(description, (edx >> 8) & 0xFF);
Append(description, (edx >> 16) & 0xFF);
Append(description, (edx >> 24) & 0xFF);
return(description.ToString());
}
private string GetHypervisor(ICpuIdX86 x86Cpu)
{
if (!x86Cpu.Features["HYPERVISOR"])
{
return(null);
}
CpuIdRegister hyper = x86Cpu.Registers.GetCpuId(HypervisorFunction, 0);
return(GetHypervisor(hyper));
}
private static int GetBrand(AuthenticAmdCpu cpu)
{
CpuIdRegister feature = cpu.Registers.GetCpuId(GenericIntelCpuBase.FeatureInformationFunction, 0);
if (feature == null)
{
return(0);
}
int brand = feature.Result[1] & 0xFF;
CpuIdRegister extFeature = cpu.Registers.GetCpuId(GenericIntelCpuBase.ExtendedInformationFunction, 0);
if (extFeature == null)
{
return(brand);
}
return(brand | ((extFeature.Result[1] & 0xFFFF) << 8));
}
public static string GetNptType(AuthenticAmdCpu cpu)
{
int brand = GetBrand(cpu);
int pwrLim = ((brand & 0x1C000) >> 13) | ((brand & 0x400000) >> 22);
int bti = (brand & 0x3E0000) >> 17;
int nn = ((brand & 0x800000) >> 17) | ((brand & 0x3F00) >> 8);
CpuIdRegister pkgReg = cpu.Registers.GetCpuId(GenericIntelCpuBase.ExtendedInformationFunction, 0);
int pkgType = (pkgReg.Result[0] & 0x30) >> 4;
CpuIdRegister cmpReg = cpu.Registers.GetCpuId(GenericIntelCpuBase.ExtendedLmApicId, 0);
int cmpCap = (cmpReg.Result[2] & 0xFF) == 0 ? 0 : 1;
switch (pkgType)
{
case 0x00: return(GetNptTypeS1g1(pwrLim, bti, nn, cmpCap)); // Table 9
case 0x01: return(GetNptTypeFr3F(pwrLim, bti, nn, cmpCap)); // Table 7
case 0x03: return(GetNptTypeAm2Asb1(pwrLim, bti, nn, cmpCap)); // Table 8
}
return("AMD Processor model unknown");
}
