Hardware/CPU/AMD10CPU.cs
author moel.mich
Wed, 17 Feb 2010 20:22:21 +0000
changeset 49 b418098ceca3
parent 31 c4d1fb76a9e1
child 63 1a7c13ac7348
permissions -rw-r--r--
Better core and thread number identification. Fixed clock reading on Intel Atom CPUs. New reporting of MSR values for Intel CPUs.
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/*
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  Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  The contents of this file are subject to the Mozilla Public License Version
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  1.1 (the "License"); you may not use this file except in compliance with
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  the License. You may obtain a copy of the License at
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  http://www.mozilla.org/MPL/
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  Software distributed under the License is distributed on an "AS IS" basis,
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  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  for the specific language governing rights and limitations under the License.
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  The Original Code is the Open Hardware Monitor code.
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  The Initial Developer of the Original Code is 
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  Michael Möller <m.moeller@gmx.ch>.
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  Portions created by the Initial Developer are Copyright (C) 2009-2010
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  the Initial Developer. All Rights Reserved.
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  Contributor(s):
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  Alternatively, the contents of this file may be used under the terms of
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  either the GNU General Public License Version 2 or later (the "GPL"), or
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  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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  in which case the provisions of the GPL or the LGPL are applicable instead
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  of those above. If you wish to allow use of your version of this file only
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  under the terms of either the GPL or the LGPL, and not to allow others to
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  use your version of this file under the terms of the MPL, indicate your
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  decision by deleting the provisions above and replace them with the notice
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  and other provisions required by the GPL or the LGPL. If you do not delete
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  the provisions above, a recipient may use your version of this file under
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  the terms of any one of the MPL, the GPL or the LGPL.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Diagnostics;
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using System.Text;
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namespace OpenHardwareMonitor.Hardware.CPU {
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  public class AMD10CPU : Hardware, IHardware {
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    private string name;
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    private Image icon;
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    private uint pciAddress;
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    private Sensor coreTemperature;
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    private Sensor totalLoad;
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    private Sensor[] coreLoads;
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    private CPULoad cpuLoad;
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    private const ushort PCI_AMD_VENDOR_ID = 0x1022;
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    private const ushort PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID = 0x1203;
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    private const ushort PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID = 0x1303;
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    private const uint REPORTED_TEMPERATURE_CONTROL_REGISTER = 0xA4;
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    public AMD10CPU(string name, uint family, uint model, uint stepping, 
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      uint[,] cpuidData, uint[,] cpuidExtData) {
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      this.name = name;
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      this.icon = Utilities.EmbeddedResources.GetImage("cpu.png");     
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      uint coreCount = 1;
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      if (cpuidExtData.GetLength(0) > 8)
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        coreCount = (cpuidExtData[8, 2] & 0xFF) + 1;
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      totalLoad = new Sensor("CPU Total", 0, SensorType.Load, this);
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      coreLoads = new Sensor[coreCount];
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      for (int i = 0; i < coreCount; i++) 
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        coreLoads[i] = new Sensor("Core #" + (i + 1), i + 1,
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          SensorType.Load, this);
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      cpuLoad = new CPULoad(coreCount, 1);
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      if (cpuLoad.IsAvailable) {
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        foreach (Sensor sensor in coreLoads)
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          ActivateSensor(sensor);
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        ActivateSensor(totalLoad);
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      }    
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      // AMD family 10h processors support only one temperature sensor
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      coreTemperature = new Sensor(
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        "Core" + (coreCount > 1 ? " #1 - #" + coreCount : ""), 0, 
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        SensorType.Temperature, this);
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      pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID, 
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        PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID, 0);
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      if (pciAddress == 0xFFFFFFFF) 
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        pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
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          PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID, 0);
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      Update();                   
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    }
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    public string Name {
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      get { return name; }
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    }
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    public string Identifier {
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      get { return "/amdcpu/0"; }
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    }
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    public Image Icon {
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      get { return icon; }
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    }
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    public string GetReport() {
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      return null;
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    }
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    public void Update() {
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      if (pciAddress != 0xFFFFFFFF) {
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        uint value;
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        if (WinRing0.ReadPciConfigDwordEx(pciAddress,
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          REPORTED_TEMPERATURE_CONTROL_REGISTER, out value)) {
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          coreTemperature.Value = ((value >> 21) & 0x7FF) / 8.0f;
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          ActivateSensor(coreTemperature);
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        } else {
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          DeactivateSensor(coreTemperature);
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        }
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      }
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      if (cpuLoad.IsAvailable) {
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        cpuLoad.Update();
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        for (int i = 0; i < coreLoads.Length; i++)
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          coreLoads[i].Value = cpuLoad.GetCoreLoad(i);
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        totalLoad.Value = cpuLoad.GetTotalLoad();
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      }
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    }
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  }
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}