Hardware/CPU/AMD10CPU.cs
author moel.mich
Tue, 02 Feb 2010 21:58:54 +0000
changeset 22 e6832d4b89d2
parent 1 361e324a0ed4
child 24 09ab31bee6bd
permissions -rw-r--r--
Release version 0.1.10. Changed core count for Intel Core i5/i7 CPUs. Added CpuidEx function.
     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.Text;
    42 
    43 namespace OpenHardwareMonitor.Hardware.CPU {
    44   
    45   public class AMD10CPU : IHardware {
    46     private string name;
    47     private Image icon;
    48 
    49     private uint pciAddress;
    50 
    51     private Sensor coreTemperature;
    52 
    53     private const ushort PCI_AMD_VENDOR_ID = 0x1022;
    54     private const ushort PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID = 0x1203;
    55     private const uint REPORTED_TEMPERATURE_CONTROL_REGISTER = 0xA4;
    56 
    57     public AMD10CPU(string name, uint family, uint model, uint stepping, 
    58       uint[,] cpuidData, uint[,] cpuidExtData) {
    59       
    60       this.name = name;
    61       this.icon = Utilities.EmbeddedResources.GetImage("cpu.png");     
    62 
    63       uint coreCount = 1;
    64       if (cpuidExtData.GetLength(0) > 8)
    65         coreCount = (cpuidExtData[8, 2] & 0xFF) + 1;
    66       
    67       // AMD family 10h processors support only one temperature sensor
    68       coreTemperature = new Sensor(
    69         "Core" + (coreCount > 1 ? " #1 - #" + coreCount : ""), 0, 
    70         SensorType.Temperature, this);
    71 
    72       pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID, 
    73         PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID, 0);
    74       Update();                   
    75     }
    76 
    77     public string Name {
    78       get { return name; }
    79     }
    80 
    81     public string Identifier {
    82       get { return "/amdcpu/0"; }
    83     }
    84 
    85     public Image Icon {
    86       get { return icon; }
    87     }
    88 
    89     public ISensor[] Sensors {
    90       get {
    91         return new ISensor[] { coreTemperature };
    92       }
    93     }
    94 
    95     public string GetReport() {
    96       return null;
    97     }
    98 
    99     public void Update() {
   100       if (pciAddress == 0xFFFFFFFF)
   101         return;
   102 
   103       uint value;      
   104       if (WinRing0.ReadPciConfigDwordEx(pciAddress, 
   105         REPORTED_TEMPERATURE_CONTROL_REGISTER, out value)) 
   106         coreTemperature.Value = ((value >> 21) & 0x7FF) / 8.0f;      
   107     }
   108 
   109     #pragma warning disable 67
   110     public event SensorEventHandler SensorAdded;
   111     public event SensorEventHandler SensorRemoved;
   112     #pragma warning restore 67
   113 
   114   }
   115 }