diff -r 77e062628ef5 -r 361e324a0ed4 Hardware/WinRing0.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Hardware/WinRing0.cs	Tue Jan 26 22:37:48 2010 +0000
@@ -0,0 +1,149 @@
+/*
+  
+  Version: MPL 1.1/GPL 2.0/LGPL 2.1
+
+  The contents of this file are subject to the Mozilla Public License Version
+  1.1 (the "License"); you may not use this file except in compliance with
+  the License. You may obtain a copy of the License at
+ 
+  http://www.mozilla.org/MPL/
+
+  Software distributed under the License is distributed on an "AS IS" basis,
+  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+  for the specific language governing rights and limitations under the License.
+
+  The Original Code is the Open Hardware Monitor code.
+
+  The Initial Developer of the Original Code is 
+  Michael Möller <m.moeller@gmx.ch>.
+  Portions created by the Initial Developer are Copyright (C) 2009-2010
+  the Initial Developer. All Rights Reserved.
+
+  Contributor(s):
+
+  Alternatively, the contents of this file may be used under the terms of
+  either the GNU General Public License Version 2 or later (the "GPL"), or
+  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+  in which case the provisions of the GPL or the LGPL are applicable instead
+  of those above. If you wish to allow use of your version of this file only
+  under the terms of either the GPL or the LGPL, and not to allow others to
+  use your version of this file under the terms of the MPL, indicate your
+  decision by deleting the provisions above and replace them with the notice
+  and other provisions required by the GPL or the LGPL. If you do not delete
+  the provisions above, a recipient may use your version of this file under
+  the terms of any one of the MPL, the GPL or the LGPL.
+ 
+*/
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace OpenHardwareMonitor.Hardware {
+
+  public class WinRing0 {
+    
+    public enum OlsDllStatus{
+      OLS_DLL_NO_ERROR                        = 0,
+      OLS_DLL_UNSUPPORTED_PLATFORM            = 1,
+      OLS_DLL_DRIVER_NOT_LOADED               = 2,
+      OLS_DLL_DRIVER_NOT_FOUND                = 3,
+      OLS_DLL_DRIVER_UNLOADED                 = 4,
+      OLS_DLL_DRIVER_NOT_LOADED_ON_NETWORK    = 5,
+      OLS_DLL_UNKNOWN_ERROR                   = 9
+    }
+
+    private static bool available = false;
+
+    private static string GetDllName() {   
+      int p = (int)System.Environment.OSVersion.Platform;
+      if ((p == 4) || (p == 128)) {
+        if (IntPtr.Size == 4) {
+          return "libring0.so";
+        } else {
+          return "libring0x64.so";
+        }
+      } else {
+        if (IntPtr.Size == 4) {
+          return "WinRing0.dll";
+        } else {
+          return "WinRing0x64.dll";
+        }
+      }                       
+    }
+    
+    private delegate bool InitializeOlsDelegate();
+    private delegate void DeinitializeOlsDelegate();
+    
+    public delegate uint GetDllStatusDelegate();
+    public delegate bool IsCpuidDelegate();
+    public delegate bool CpuidDelegate(uint index, out uint eax, out uint ebx, 
+      out uint ecx, out uint edx);
+    public delegate bool RdmsrPxDelegate(uint index, ref uint eax, ref uint edx, 
+      UIntPtr processAffinityMask);
+    public delegate byte ReadIoPortByteDelegate(ushort port);
+    public delegate void WriteIoPortByteDelegate(ushort port, byte value);
+    public delegate void SetPciMaxBusIndexDelegate(byte max);
+    public delegate uint FindPciDeviceByIdDelegate(ushort vendorId, 
+      ushort deviceId, byte index);
+    public delegate bool ReadPciConfigDwordExDelegate(uint pciAddress, 
+      uint regAddress, out uint value);
+
+    private static InitializeOlsDelegate InitializeOls;
+    private static DeinitializeOlsDelegate DeinitializeOls;
+
+    public static GetDllStatusDelegate GetDllStatus;
+    public static IsCpuidDelegate IsCpuid;
+    public static CpuidDelegate Cpuid;
+    public static RdmsrPxDelegate RdmsrPx;
+    public static ReadIoPortByteDelegate ReadIoPortByte;
+    public static WriteIoPortByteDelegate WriteIoPortByte;
+    public static SetPciMaxBusIndexDelegate SetPciMaxBusIndex;
+    public static FindPciDeviceByIdDelegate FindPciDeviceById;
+    public static ReadPciConfigDwordExDelegate ReadPciConfigDwordEx;
+
+    private static void GetDelegate<T>(string entryPoint, out T newDelegate) 
+      where T : class 
+    {
+      DllImportAttribute attribute = new DllImportAttribute(GetDllName());
+      attribute.CallingConvention = CallingConvention.Winapi;
+      attribute.PreserveSig = true;
+      attribute.EntryPoint = entryPoint;
+      attribute.CharSet = CharSet.Auto;
+      PInvokeDelegateFactory.CreateDelegate(attribute, out newDelegate);
+    }
+
+    static WinRing0() {
+      GetDelegate("InitializeOls", out InitializeOls);
+      GetDelegate("DeinitializeOls", out DeinitializeOls);
+      GetDelegate("GetDllStatus", out GetDllStatus);
+      GetDelegate("IsCpuid", out IsCpuid);
+      GetDelegate("Cpuid", out Cpuid);
+      GetDelegate("RdmsrPx", out  RdmsrPx);
+      GetDelegate("ReadIoPortByte", out ReadIoPortByte);
+      GetDelegate("WriteIoPortByte", out WriteIoPortByte);
+      GetDelegate("SetPciMaxBusIndex", out SetPciMaxBusIndex);
+      GetDelegate("FindPciDeviceById", out FindPciDeviceById);
+      GetDelegate("ReadPciConfigDwordEx", out ReadPciConfigDwordEx);
+
+      try {
+        if (InitializeOls != null && InitializeOls())
+          available = true;
+      } catch (DllNotFoundException) { }       
+    }
+    
+    public static bool IsAvailable {
+      get { return available; }
+    }
+
+    private static Deinitializer deinitializer = new Deinitializer();
+    private class Deinitializer {
+      ~Deinitializer() {
+        if (available)
+          DeinitializeOls();
+      }
+    }
+  }
+}