/// <summary>
/// Read a kernel control register
/// </summary>
/// <returns>Value of control register</returns>
public ulong ReadControlRegister(uint controlRegister)
{
ulong value = 0;
UInt32 io = 0;
if (!Nt.DeviceIoControl(g_DeviceHandle, IOCTL_ReadControlRegister, &controlRegister, sizeof(uint), &value, sizeof(ulong), &io, 0))
{
throw new Exception("DeviceIonControl failed! - 0x9C402428");
}
return(value);
}
/// <summary>
/// Read buffer, of specified size, at physical address
/// </summary>
/// <returns>Success</returns>
public bool ReadPhysicalAddress(ulong lpAddress, ulong lpBuffer, ulong lLength)
{
InputReadStruct input = new InputReadStruct();
OutputStruct output = new OutputStruct();
if (lpAddress == 0 || lpBuffer == 0)
{
return(false);
}
input.AddressHigh = (uint)HIDWORD(lpAddress);
input.AddressLow = (uint)LODWORD(lpAddress);
input.Length = (uint)lLength;
input.BufferHigh = (uint)HIDWORD(lpBuffer);
input.BufferLow = (uint)LODWORD(lpBuffer);
UInt32 io = 0;
return(Nt.DeviceIoControl(g_DeviceHandle, IOCTL_ReadPhysicalAddress, &input, (uint)Marshal.SizeOf(typeof(InputReadStruct)), &output, (uint)Marshal.SizeOf(typeof(OutputStruct)), &io, 0));
}
/// <summary>
/// Write buffer, of specified size, at physical address
/// </summary>
/// <returns>Success</returns>
public bool WritePhysicalAddress(ulong address, ulong buf, ulong len)
{
if (len % 4 != 0 || len == 0)
{
throw new Exception("The CPU-Z driver can only write lengths that are aligned to 4 bytes (4, 8, 12, 16, etc)");
}
InputWriteStruct in_mem = new InputWriteStruct();
OutputStruct out_mem = new OutputStruct();
if (address == 0 || buf == 0)
{
return(false);
}
UInt32 io = 0;
if (len == 4)
{
in_mem.AddressHigh = (uint)HIDWORD(address);
in_mem.AddressLow = (uint)LODWORD(address);
in_mem.Value = *(uint *)buf;
return(Nt.DeviceIoControl(g_DeviceHandle, IOCTL_WritePhysicalAddress, &in_mem, (uint)Marshal.SizeOf(typeof(InputWriteStruct)), &out_mem, (uint)Marshal.SizeOf(typeof(OutputStruct)), &io, 0));
}
else
{
for (uint i = 0; i < len / 4; i++)
{
in_mem.AddressHigh = (uint)HIDWORD(address + 4 * i);
in_mem.AddressLow = (uint)LODWORD(address + 4 * i);
in_mem.Value = ((uint *)buf)[i];
if (!Nt.DeviceIoControl(g_DeviceHandle, IOCTL_WritePhysicalAddress, &in_mem, (uint)Marshal.SizeOf(typeof(InputWriteStruct)), &out_mem, (uint)Marshal.SizeOf(typeof(OutputStruct)), &io, 0))
{
return(false);
}
}
return(true);
}
}