1.1 --- a/Hardware/WinRing0.cs Mon Oct 18 07:18:14 2010 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,179 +0,0 @@
1.4 -/*
1.5 -
1.6 - Version: MPL 1.1/GPL 2.0/LGPL 2.1
1.7 -
1.8 - The contents of this file are subject to the Mozilla Public License Version
1.9 - 1.1 (the "License"); you may not use this file except in compliance with
1.10 - the License. You may obtain a copy of the License at
1.11 -
1.12 - http://www.mozilla.org/MPL/
1.13 -
1.14 - Software distributed under the License is distributed on an "AS IS" basis,
1.15 - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
1.16 - for the specific language governing rights and limitations under the License.
1.17 -
1.18 - The Original Code is the Open Hardware Monitor code.
1.19 -
1.20 - The Initial Developer of the Original Code is
1.21 - Michael Möller <m.moeller@gmx.ch>.
1.22 - Portions created by the Initial Developer are Copyright (C) 2009-2010
1.23 - the Initial Developer. All Rights Reserved.
1.24 -
1.25 - Contributor(s):
1.26 -
1.27 - Alternatively, the contents of this file may be used under the terms of
1.28 - either the GNU General Public License Version 2 or later (the "GPL"), or
1.29 - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
1.30 - in which case the provisions of the GPL or the LGPL are applicable instead
1.31 - of those above. If you wish to allow use of your version of this file only
1.32 - under the terms of either the GPL or the LGPL, and not to allow others to
1.33 - use your version of this file under the terms of the MPL, indicate your
1.34 - decision by deleting the provisions above and replace them with the notice
1.35 - and other provisions required by the GPL or the LGPL. If you do not delete
1.36 - the provisions above, a recipient may use your version of this file under
1.37 - the terms of any one of the MPL, the GPL or the LGPL.
1.38 -
1.39 -*/
1.40 -
1.41 -using System;
1.42 -using System.Runtime.InteropServices;
1.43 -using System.Threading;
1.44 -
1.45 -namespace OpenHardwareMonitor.Hardware {
1.46 -
1.47 - internal class WinRing0 {
1.48 -
1.49 - private WinRing0() { }
1.50 -
1.51 - public enum OlsDllStatus{
1.52 - OLS_DLL_NO_ERROR = 0,
1.53 - OLS_DLL_UNSUPPORTED_PLATFORM = 1,
1.54 - OLS_DLL_DRIVER_NOT_LOADED = 2,
1.55 - OLS_DLL_DRIVER_NOT_FOUND = 3,
1.56 - OLS_DLL_DRIVER_UNLOADED = 4,
1.57 - OLS_DLL_DRIVER_NOT_LOADED_ON_NETWORK = 5,
1.58 - OLS_DLL_UNKNOWN_ERROR = 9
1.59 - }
1.60 -
1.61 - private static bool available;
1.62 - private static Mutex isaBusMutex;
1.63 -
1.64 - private static string GetDllName() {
1.65 - int p = (int)Environment.OSVersion.Platform;
1.66 - if ((p == 4) || (p == 128)) {
1.67 - if (IntPtr.Size == 4) {
1.68 - return "libring0.so";
1.69 - } else {
1.70 - return "libring0x64.so";
1.71 - }
1.72 - } else {
1.73 - if (IntPtr.Size == 4) {
1.74 - return "WinRing0.dll";
1.75 - } else {
1.76 - return "WinRing0x64.dll";
1.77 - }
1.78 - }
1.79 - }
1.80 -
1.81 - private delegate bool InitializeOlsDelegate();
1.82 - private delegate void DeinitializeOlsDelegate();
1.83 -
1.84 - public delegate bool IsCpuidDelegate();
1.85 - public delegate bool CpuidTxDelegate(uint index, uint ecxValue,
1.86 - out uint eax, out uint ebx, out uint ecx, out uint edx,
1.87 - UIntPtr threadAffinityMask);
1.88 - public delegate bool RdmsrDelegate(uint index, out uint eax, out uint edx);
1.89 - public delegate bool RdmsrTxDelegate(uint index, out uint eax, out uint edx,
1.90 - UIntPtr threadAffinityMask);
1.91 - public delegate byte ReadIoPortByteDelegate(ushort port);
1.92 - public delegate void WriteIoPortByteDelegate(ushort port, byte value);
1.93 - public delegate bool ReadPciConfigDwordExDelegate(uint pciAddress,
1.94 - uint regAddress, out uint value);
1.95 - public delegate bool WritePciConfigDwordExDelegate(uint pciAddress,
1.96 - uint regAddress, uint value);
1.97 - public delegate bool RdtscDelegate(out uint eax, out uint edx);
1.98 - public delegate bool RdtscTxDelegate(out uint eax, out uint edx,
1.99 - UIntPtr threadAffinityMask);
1.100 - public delegate bool WrmsrDelegate(uint index, uint eax, uint edx);
1.101 - public delegate bool WrmsrTxDelegate(uint index, uint eax, uint edx,
1.102 - UIntPtr threadAffinityMask);
1.103 -
1.104 - private static readonly InitializeOlsDelegate InitializeOls =
1.105 - CreateDelegate<InitializeOlsDelegate>("InitializeOls");
1.106 - private static readonly DeinitializeOlsDelegate DeinitializeOls =
1.107 - CreateDelegate<DeinitializeOlsDelegate>("DeinitializeOls");
1.108 -
1.109 - public static readonly IsCpuidDelegate IsCpuid =
1.110 - CreateDelegate<IsCpuidDelegate>("IsCpuid");
1.111 - public static readonly CpuidTxDelegate CpuidTx =
1.112 - CreateDelegate<CpuidTxDelegate>("CpuidTx");
1.113 - public static readonly RdmsrDelegate Rdmsr =
1.114 - CreateDelegate<RdmsrDelegate>("Rdmsr");
1.115 - public static readonly RdmsrTxDelegate RdmsrTx =
1.116 - CreateDelegate<RdmsrTxDelegate>("RdmsrTx");
1.117 - public static readonly ReadIoPortByteDelegate ReadIoPortByte =
1.118 - CreateDelegate<ReadIoPortByteDelegate>("ReadIoPortByte");
1.119 - public static readonly WriteIoPortByteDelegate WriteIoPortByte =
1.120 - CreateDelegate<WriteIoPortByteDelegate>("WriteIoPortByte");
1.121 - public static readonly ReadPciConfigDwordExDelegate ReadPciConfigDwordEx =
1.122 - CreateDelegate<ReadPciConfigDwordExDelegate>("ReadPciConfigDwordEx");
1.123 - public static readonly WritePciConfigDwordExDelegate WritePciConfigDwordEx =
1.124 - CreateDelegate<WritePciConfigDwordExDelegate>("WritePciConfigDwordEx");
1.125 - public static readonly RdtscDelegate Rdtsc =
1.126 - CreateDelegate<RdtscDelegate>("Rdtsc");
1.127 - public static readonly RdtscTxDelegate RdtscTx =
1.128 - CreateDelegate<RdtscTxDelegate>("RdtscTx");
1.129 - public static readonly WrmsrDelegate Wrmsr =
1.130 - CreateDelegate<WrmsrDelegate>("Wrmsr");
1.131 - public static readonly WrmsrTxDelegate WrmsrTx =
1.132 - CreateDelegate<WrmsrTxDelegate>("WrmsrTx");
1.133 -
1.134 - private static T CreateDelegate<T>(string entryPoint) where T : class {
1.135 - DllImportAttribute attribute = new DllImportAttribute(GetDllName());
1.136 - attribute.CallingConvention = CallingConvention.Winapi;
1.137 - attribute.PreserveSig = true;
1.138 - attribute.EntryPoint = entryPoint;
1.139 - attribute.CharSet = CharSet.Auto;
1.140 - T result;
1.141 - PInvokeDelegateFactory.CreateDelegate(attribute, out result);
1.142 - return result;
1.143 - }
1.144 -
1.145 - public static void Open() {
1.146 - try {
1.147 - if (InitializeOls != null && InitializeOls())
1.148 - available = true;
1.149 - } catch (DllNotFoundException) { }
1.150 -
1.151 - isaBusMutex = new Mutex(false, "Access_ISABUS.HTP.Method");
1.152 - }
1.153 -
1.154 - public static bool IsAvailable {
1.155 - get { return available; }
1.156 - }
1.157 -
1.158 - public static void Close() {
1.159 - if (available)
1.160 - DeinitializeOls();
1.161 - isaBusMutex.Close();
1.162 - }
1.163 -
1.164 - public static bool WaitIsaBusMutex(int millisecondsTimeout) {
1.165 - try {
1.166 - return isaBusMutex.WaitOne(millisecondsTimeout, false);
1.167 - } catch (AbandonedMutexException) { return false; }
1.168 - catch (InvalidOperationException) { return false; }
1.169 - }
1.170 -
1.171 - public static void ReleaseIsaBusMutex() {
1.172 - isaBusMutex.ReleaseMutex();
1.173 - }
1.174 -
1.175 - public const uint InvalidPciAddress = 0xFFFFFFFF;
1.176 -
1.177 - public static uint GetPciAddress(byte bus, byte device, byte function) {
1.178 - return
1.179 - (uint)(((bus & 0xFF) << 8) | ((device & 0x1F) << 3) | (function & 7));
1.180 - }
1.181 - }
1.182 -}