Release version 0.1.11. Added support for load percentage sensor type. Added load sensors for CPUs and ATI GPUs.
3 Version: MPL 1.1/GPL 2.0/LGPL 2.1
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
9 http://www.mozilla.org/MPL/
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.
15 The Original Code is the Open Hardware Monitor code.
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.
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.
39 using System.Collections.Generic;
41 using System.Diagnostics;
45 namespace OpenHardwareMonitor.Hardware.CPU {
46 public class AMD0FCPU : IHardware {
51 private uint pciAddress;
53 private Sensor[] coreTemperatures;
56 private Sensor totalLoad;
57 private Sensor[] coreLoads;
59 private List<ISensor> active = new List<ISensor>();
61 private PerformanceCounter totalLoadCounter;
62 private PerformanceCounter[] coreLoadCounters;
64 private const ushort PCI_AMD_VENDOR_ID = 0x1022;
65 private const ushort PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID = 0x1103;
66 private const uint THERMTRIP_STATUS_REGISTER = 0xE4;
67 private const byte THERM_SENSE_CORE_SEL_CPU0 = 0x2;
68 private const byte THERM_SENSE_CORE_SEL_CPU1 = 0x0;
70 public AMD0FCPU(string name, uint family, uint model, uint stepping,
71 uint[,] cpuidData, uint[,] cpuidExtData) {
74 this.icon = Utilities.EmbeddedResources.GetImage("cpu.png");
77 if (cpuidExtData.GetLength(0) > 8)
78 coreCount = (cpuidExtData[8, 2] & 0xFF) + 1;
81 coreCount = coreCount > 2 ? 2 : coreCount;
83 totalLoadCounter = new PerformanceCounter();
84 totalLoadCounter.CategoryName = "Processor";
85 totalLoadCounter.CounterName = "% Processor Time";
86 totalLoadCounter.InstanceName = "_Total";
87 totalLoad = new Sensor("CPU Total", 0, SensorType.Load, this);
89 coreLoadCounters = new PerformanceCounter[coreCount];
90 coreLoads = new Sensor[coreCount];
91 for (int i = 0; i < coreLoadCounters.Length; i++) {
92 coreLoadCounters[i] = new PerformanceCounter();
93 coreLoadCounters[i].CategoryName = "Processor";
94 coreLoadCounters[i].CounterName = "% Processor Time";
95 coreLoadCounters[i].InstanceName = i.ToString();
96 coreLoads[i] = new Sensor("Core #" + (i + 1), i + 1,
97 SensorType.Load, this);
100 coreTemperatures = new Sensor[coreCount];
101 for (int i = 0; i < coreCount; i++)
102 coreTemperatures[i] =
103 new Sensor("Core #" + (i + 1), i, SensorType.Temperature, this);
105 pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
106 PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID, 0);
110 // AM2+ 65nm +21 offset
111 if (model >= 0x69 && model != 0xc1 && model != 0x6c && model != 0x7c)
121 public string Identifier {
122 get { return "/amdcpu/0"; }
129 public ISensor[] Sensors {
130 get { return active.ToArray(); }
133 public string GetReport() {
137 public void Update() {
138 if (pciAddress == 0xFFFFFFFF)
141 for (uint i = 0; i < coreTemperatures.Length; i++) {
142 if (WinRing0.WritePciConfigDwordEx(
143 pciAddress, THERMTRIP_STATUS_REGISTER,
144 i > 0 ? THERM_SENSE_CORE_SEL_CPU1 : THERM_SENSE_CORE_SEL_CPU0)) {
146 if (WinRing0.ReadPciConfigDwordEx(
147 pciAddress, THERMTRIP_STATUS_REGISTER, out value)) {
148 coreTemperatures[i].Value = ((value >> 16) & 0xFF) + offset;
149 ActivateSensor(coreTemperatures[i]);
151 DeactivateSensor(coreTemperatures[i]);
156 totalLoad.Value = totalLoadCounter.NextValue();
157 ActivateSensor(totalLoad);
159 for (int i = 0; i < coreLoads.Length; i++) {
160 coreLoads[i].Value = coreLoadCounters[i].NextValue();
161 ActivateSensor(coreLoads[i]);
165 private void ActivateSensor(Sensor sensor) {
166 if (!active.Contains(sensor)) {
168 if (SensorAdded != null)
173 private void DeactivateSensor(Sensor sensor) {
174 if (active.Contains(sensor)) {
175 active.Remove(sensor);
176 if (SensorRemoved != null)
177 SensorRemoved(sensor);
181 public event SensorEventHandler SensorAdded;
182 public event SensorEventHandler SensorRemoved;