Hardware/CPU/AMD10CPU.cs
author moel.mich
Mon, 05 Apr 2010 21:31:21 +0000
changeset 89 62e0b6011e8c
parent 42 47385d4fc990
child 90 3333b29a1746
permissions -rw-r--r--
Fixed Issue 25.
     1 /*
     2   
     3   Version: MPL 1.1/GPL 2.0/LGPL 2.1
     4 
     5   The contents of this file are subject to the Mozilla Public License Version
     6   1.1 (the "License"); you may not use this file except in compliance with
     7   the License. You may obtain a copy of the License at
     8  
     9   http://www.mozilla.org/MPL/
    10 
    11   Software distributed under the License is distributed on an "AS IS" basis,
    12   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
    13   for the specific language governing rights and limitations under the License.
    14 
    15   The Original Code is the Open Hardware Monitor code.
    16 
    17   The Initial Developer of the Original Code is 
    18   Michael Möller <m.moeller@gmx.ch>.
    19   Portions created by the Initial Developer are Copyright (C) 2009-2010
    20   the Initial Developer. All Rights Reserved.
    21 
    22   Contributor(s):
    23 
    24   Alternatively, the contents of this file may be used under the terms of
    25   either the GNU General Public License Version 2 or later (the "GPL"), or
    26   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
    27   in which case the provisions of the GPL or the LGPL are applicable instead
    28   of those above. If you wish to allow use of your version of this file only
    29   under the terms of either the GPL or the LGPL, and not to allow others to
    30   use your version of this file under the terms of the MPL, indicate your
    31   decision by deleting the provisions above and replace them with the notice
    32   and other provisions required by the GPL or the LGPL. If you do not delete
    33   the provisions above, a recipient may use your version of this file under
    34   the terms of any one of the MPL, the GPL or the LGPL.
    35  
    36 */
    37 
    38 using System;
    39 using System.Collections.Generic;
    40 using System.Drawing;
    41 using System.Diagnostics;
    42 using System.Text;
    43 
    44 namespace OpenHardwareMonitor.Hardware.CPU {
    45   
    46   public class AMD10CPU : Hardware, IHardware {
    47     private string name;
    48     private Image icon;
    49 
    50     private uint pciAddress;
    51 
    52     private Sensor coreTemperature;
    53     private Sensor totalLoad;
    54     private Sensor[] coreLoads;
    55 
    56     private CPULoad cpuLoad;
    57 
    58     private const ushort PCI_AMD_VENDOR_ID = 0x1022;
    59     private const ushort PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID = 0x1203;
    60     private const ushort PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID = 0x1303;
    61     private const uint REPORTED_TEMPERATURE_CONTROL_REGISTER = 0xA4;
    62 
    63     public AMD10CPU(string name, uint family, uint model, uint stepping, 
    64       uint[,] cpuidData, uint[,] cpuidExtData) {
    65       
    66       this.name = name;
    67       this.icon = Utilities.EmbeddedResources.GetImage("cpu.png");     
    68 
    69       uint coreCount = 1;
    70       if (cpuidExtData.GetLength(0) > 8)
    71         coreCount = (cpuidExtData[8, 2] & 0xFF) + 1;
    72 
    73       totalLoad = new Sensor("CPU Total", 0, SensorType.Load, this);
    74 
    75       coreLoads = new Sensor[coreCount];
    76       for (int i = 0; i < coreCount; i++) 
    77         coreLoads[i] = new Sensor("Core #" + (i + 1), i + 1,
    78           SensorType.Load, this);
    79 
    80       cpuLoad = new CPULoad(coreCount, 1);
    81       if (cpuLoad.IsAvailable) {
    82         foreach (Sensor sensor in coreLoads)
    83           ActivateSensor(sensor);
    84         ActivateSensor(totalLoad);
    85       }    
    86       
    87       // AMD family 10h processors support only one temperature sensor
    88       coreTemperature = new Sensor(
    89         "Core" + (coreCount > 1 ? " #1 - #" + coreCount : ""), 0, null,
    90         SensorType.Temperature, this, new ParameterDescription[] {
    91             new ParameterDescription("Offset", "Temperature offset.", 0)
    92           });
    93 
    94       pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID, 
    95         PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID, 0);
    96       if (pciAddress == 0xFFFFFFFF) 
    97         pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
    98           PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID, 0);
    99 
   100       Update();                   
   101     }
   102 
   103     public string Name {
   104       get { return name; }
   105     }
   106 
   107     public string Identifier {
   108       get { return "/amdcpu/0"; }
   109     }
   110 
   111     public Image Icon {
   112       get { return icon; }
   113     }
   114 
   115     public string GetReport() {
   116       return null;
   117     }
   118 
   119     public void Update() {
   120       if (pciAddress != 0xFFFFFFFF) {
   121         uint value;
   122         if (WinRing0.ReadPciConfigDwordEx(pciAddress,
   123           REPORTED_TEMPERATURE_CONTROL_REGISTER, out value)) {
   124           coreTemperature.Value = ((value >> 21) & 0x7FF) / 8.0f +
   125             coreTemperature.Parameters[0].Value;
   126           ActivateSensor(coreTemperature);
   127         } else {
   128           DeactivateSensor(coreTemperature);
   129         }
   130       }
   131 
   132       if (cpuLoad.IsAvailable) {
   133         cpuLoad.Update();
   134         for (int i = 0; i < coreLoads.Length; i++)
   135           coreLoads[i].Value = cpuLoad.GetCoreLoad(i);
   136         totalLoad.Value = cpuLoad.GetTotalLoad();
   137       }
   138     }
   139   }
   140 }