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
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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.
38 namespace OpenHardwareMonitor.Hardware.CPU {
40 internal sealed class AMD10CPU : GenericCPU {
42 private uint pciAddress;
44 private Sensor coreTemperature;
46 private const ushort PCI_AMD_VENDOR_ID = 0x1022;
47 private const ushort PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID = 0x1203;
48 private const ushort PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID = 0x1303;
49 private const uint REPORTED_TEMPERATURE_CONTROL_REGISTER = 0xA4;
51 public AMD10CPU(int processorIndex, CPUID[][] cpuid, ISettings settings)
52 : base(processorIndex, cpuid, settings)
54 // AMD family 10h processors support only one temperature sensor
55 coreTemperature = new Sensor(
56 "Core" + (coreCount > 1 ? " #1 - #" + coreCount : ""), 0,
57 SensorType.Temperature, this, new ParameterDescription[] {
58 new ParameterDescription("Offset [°C]", "Temperature offset.", 0)
61 pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
62 PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID, (byte)processorIndex);
63 if (pciAddress == 0xFFFFFFFF)
64 pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
65 PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID, (byte)processorIndex);
70 protected override uint[] GetMSRs() {
71 return new uint[] { };
74 public override void Update() {
77 if (pciAddress != 0xFFFFFFFF) {
79 if (WinRing0.ReadPciConfigDwordEx(pciAddress,
80 REPORTED_TEMPERATURE_CONTROL_REGISTER, out value)) {
81 coreTemperature.Value = ((value >> 21) & 0x7FF) / 8.0f +
82 coreTemperature.Parameters[0].Value;
83 ActivateSensor(coreTemperature);
85 DeactivateSensor(coreTemperature);