private static unsafe byte[] CPUID1()
{
byte[] buffer = new byte[12];
if (IntPtr.Size == 4)
{
IntPtr p = NativeMethods.VirtualAlloc(
IntPtr.Zero,
new UIntPtr((uint)x86_CPUID1_INSNS.Length),
AllocationTypes.Commit | AllocationTypes.Reserve,
MemoryProtections.ExecuteReadWrite);
try
{
Marshal.Copy(x86_CPUID1_INSNS, 0, p, x86_CPUID1_INSNS.Length);
CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));
fixed(byte *newBuffer = &buffer[0])
{
del(newBuffer);
}
}
finally
{
NativeMethods.VirtualFree(p, 0, FreeTypes.Release);
}
}
else if (IntPtr.Size == 8)
{
IntPtr p = NativeMethods.VirtualAlloc(
IntPtr.Zero,
new UIntPtr((uint)x64_CPUID1_INSNS.Length),
AllocationTypes.Commit | AllocationTypes.Reserve,
MemoryProtections.ExecuteReadWrite);
try
{
Marshal.Copy(x64_CPUID1_INSNS, 0, p, x64_CPUID1_INSNS.Length);
CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));
fixed(byte *newBuffer = &buffer[0])
{
del(newBuffer);
}
}
finally
{
NativeMethods.VirtualFree(p, 0, FreeTypes.Release);
}
}
return(buffer);
}
unsafe static byte[] CPUID1()
{
byte[] buffer = new byte[12];
// Get the FieldInfo for "_methodPtr"
Type delType = typeof(Delegate);
FieldInfo _methodPtr = delType.GetField("_methodPtr", BindingFlags.NonPublic | BindingFlags.Instance);
if (IntPtr.Size == 4)
{
IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x86_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
MemoryProtection.EXECUTE_READWRITE);
try
{
Marshal.Copy(x86_CPUID1_INSNS, 0, p, x86_CPUID1_INSNS.Length);
CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));
fixed(byte *newBuffer = &buffer[0])
{
del(newBuffer);
}
}
finally
{
VirtualFree(p, 0, 0x8000);
}
}
else if (IntPtr.Size == 8)
{
IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x64_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
MemoryProtection.EXECUTE_READWRITE);
try
{
Marshal.Copy(x64_CPUID1_INSNS, 0, p, x64_CPUID1_INSNS.Length);
CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));
fixed(byte *newBuffer = &buffer[0])
{
del(newBuffer);
}
}
finally
{
VirtualFree(p, 0, 0x8000);
}
}
return(buffer);
}
unsafe static byte[] CPUID1()
{
byte[] buffer = new byte[12];
// Get the FieldInfo for "_methodPtr"
Type delType = typeof(Delegate);
FieldInfo _methodPtr = delType.GetField("_methodPtr", BindingFlags.NonPublic | BindingFlags.Instance);
if (IntPtr.Size == 4)
{
CPUID1Delegate del = new CPUID1Delegate(CPUID1a);
IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x86_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
MemoryProtection.EXECUTE_READWRITE);
try
{
Marshal.Copy(x86_CPUID1_INSNS, 0, p, x86_CPUID1_INSNS.Length);
_methodPtr.SetValue(del, p); // Set our delegate to our x86 code
del(ref buffer);
}
finally
{
VirtualFree(p, 0, 0x8000);
}
}
else if (IntPtr.Size == 8)
{
CPUID1Delegate del = new CPUID1Delegate(CPUID1a);
IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x64_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
MemoryProtection.EXECUTE_READWRITE);
try
{
Marshal.Copy(x64_CPUID1_INSNS, 0, p, x64_CPUID1_INSNS.Length);
_methodPtr.SetValue(del, p); // Set our delegate to our x86 code
del(ref buffer);
}
finally
{
VirtualFree(p, 0, 0x8000);
}
}
return(buffer);
}
