// ReSharper restore InconsistentNaming
public CpuId(int thread)
{
uint threadMaskWith;
uint coreMaskWith;
Thread = thread;
uint maxCpuidExt;
if (thread >= 64)
{
throw new ArgumentOutOfRangeException(nameof(thread));
}
ulong mask = 1UL << thread;
uint maxCpuid;
if (OpCode.CpuidTx(CPUID_0, 0, out uint eax, out uint ebx, out uint ecx, out uint edx, mask))
{
if (eax > 0)
{
maxCpuid = eax;
}
else
{
return;
}
StringBuilder vendorBuilder = new StringBuilder();
AppendRegister(vendorBuilder, ebx);
AppendRegister(vendorBuilder, edx);
AppendRegister(vendorBuilder, ecx);
string cpuVendor = vendorBuilder.ToString();
switch (cpuVendor)
{
case "GenuineIntel":
Vendor = Vendor.Intel;
break;
case "AuthenticAMD":
Vendor = Vendor.AMD;
break;
default:
Vendor = Vendor.Unknown;
break;
}
if (OpCode.CpuidTx(CPUID_EXT, 0, out eax, out _, out _, out _, mask))
{
if (eax > CPUID_EXT)
{
maxCpuidExt = eax - CPUID_EXT;
}
else
{
return;
}
}
else
{
throw new ArgumentOutOfRangeException(nameof(thread));
}
}
