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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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namespace OpenHardwareMonitor.Hardware.CPU {
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internal sealed class AMD0FCPU : GenericCPU {
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private uint pciAddress;
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private Sensor[] coreTemperatures;
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private const ushort PCI_AMD_VENDOR_ID = 0x1022;
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private const ushort PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID = 0x1103;
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private const uint THERMTRIP_STATUS_REGISTER = 0xE4;
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private const byte THERM_SENSE_CORE_SEL_CPU0 = 0x4;
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private const byte THERM_SENSE_CORE_SEL_CPU1 = 0x0;
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public AMD0FCPU(int processorIndex, CPUID[][] cpuid, ISettings settings)
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: base(processorIndex, cpuid, settings)
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{
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float offset = -49.0f;
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// AM2+ 65nm +21 offset
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uint model = cpuid[0][0].Model;
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if (model >= 0x69 && model != 0xc1 && model != 0x6c && model != 0x7c)
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offset += 21;
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// check if processor supports a digital thermal sensor
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if (cpuid[0][0].ExtData.GetLength(0) > 7 &&
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(cpuid[0][0].ExtData[7, 3] & 1) != 0)
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{
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coreTemperatures = new Sensor[coreCount];
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for (int i = 0; i < coreCount; i++) {
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coreTemperatures[i] =
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new Sensor("Core #" + (i + 1), i, SensorType.Temperature,
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this, new ParameterDescription[] {
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new ParameterDescription("Offset [°C]",
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"Temperature offset of the thermal sensor.\n" +
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"Temperature = Value + Offset.", offset)
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}, settings);
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}
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} else {
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coreTemperatures = new Sensor[0];
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}
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pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
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PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID, (byte)processorIndex);
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Update();
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}
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protected override uint[] GetMSRs() {
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return new uint[] { };
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}
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public override void Update() {
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base.Update();
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if (pciAddress != 0xFFFFFFFF) {
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for (uint i = 0; i < coreTemperatures.Length; i++) {
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if (WinRing0.WritePciConfigDwordEx(
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pciAddress, THERMTRIP_STATUS_REGISTER,
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i > 0 ? THERM_SENSE_CORE_SEL_CPU1 : THERM_SENSE_CORE_SEL_CPU0)) {
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uint value;
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if (WinRing0.ReadPciConfigDwordEx(
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pciAddress, THERMTRIP_STATUS_REGISTER, out value)) {
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coreTemperatures[i].Value = ((value >> 16) & 0xFF) +
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coreTemperatures[i].Parameters[0].Value;
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ActivateSensor(coreTemperatures[i]);
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} else {
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DeactivateSensor(coreTemperatures[i]);
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}
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}
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}
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}
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}
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}
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}
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