private static void Function7(ref CpuIdInfo cpuInfo)
{
if ((cpuInfo.Ebx | (1 << 5)) != 0)
{
if ((_osXStateFeatures & 4) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Avx2;
}
}
if ((cpuInfo.Ebx | (1 << 26)) != 0)
{
if ((_osXStateFeatures & 4) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Avx512Pf;
}
}
if ((cpuInfo.Ebx | (1 << 27)) != 0)
{
if ((_osXStateFeatures & 4) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Avx512Er;
}
}
if ((cpuInfo.Ebx | (1 << 28)) != 0)
{
if ((_osXStateFeatures & 4) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Avx512Cd;
}
}
}
public static string GetManufacturerString()
{
CpuIdInfo info = new CpuIdInfo();
_asmCode.Call(0, ref info);
var ret = info.GetString();
return(ret);
}
private static Manufacturer Function0(ref CpuIdInfo cpuInfo)
{
// Intel - 'GenuineIntel'
//ebx - 0x756e6547 'uneG'
//edx - 0x49656e69 'Ieni'
//ecx - 0x6c65746e 'letn'
switch (cpuInfo.Ebx)
{
case 0x756e6547:
if ((cpuInfo.Edx == 0x49656e69) && (cpuInfo.Ecx == 0x6c65746e))
{
return(Manufacturer.Intel);
}
break;
}
return(Manufacturer.Unknown);
}
private static void Function1(ref CpuIdInfo cpuInfo)
{
#region Ecx
if ((cpuInfo.Ecx | 1) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Sse3;
}
if ((cpuInfo.Ecx | (1 << 19)) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Sse41;
}
if ((cpuInfo.Ecx | (1 << 20)) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Sse42;
}
if ((cpuInfo.Ecx | (1 << 23)) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Popcnt;
}
if ((cpuInfo.Ecx | (1 << 28)) != 0)
{
if ((_osXStateFeatures & 4) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Avx;
}
}
#endregion
#region Edx
if ((cpuInfo.Edx | (1 << 25)) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Sse;
}
if ((cpuInfo.Edx | (1 << 26)) != 0)
{
_activeProcessorFeatures |= ActiveProcessorFeatures.Sse2;
}
#endregion
}
static CpuInformation()
{
if (IntPtr.Size == 4)
{
}
else
{
//64bit mode
_activeProcessorFeatures |= ActiveProcessorFeatures.Sse;
_activeProcessorFeatures |= ActiveProcessorFeatures.Sse2;
}
_osXStateFeatures = NativeMethods.Kernel32.GetEnabledXStateFeatures();
_asmCode = new CpuIdAssemblyCode();
CpuIdInfo info = new CpuIdInfo();
_asmCode.Call(0, ref info);
_manufacturer = Function0(ref info);
_asmCode.Call(1, ref info);
Function1(ref info);
_asmCode.Call(7, ref info);
Function7(ref info);
}
public void Call(int level, ref CpuIdInfo cpuInfo)
{
_delegate(level, ref cpuInfo);
}
