moel@14: /* moel@14: moel@14: Version: MPL 1.1/GPL 2.0/LGPL 2.1 moel@14: moel@14: The contents of this file are subject to the Mozilla Public License Version moel@14: 1.1 (the "License"); you may not use this file except in compliance with moel@14: the License. You may obtain a copy of the License at moel@14: moel@14: http://www.mozilla.org/MPL/ moel@14: moel@14: Software distributed under the License is distributed on an "AS IS" basis, moel@14: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License moel@14: for the specific language governing rights and limitations under the License. moel@14: moel@14: The Original Code is the Open Hardware Monitor code. moel@14: moel@14: The Initial Developer of the Original Code is moel@14: Michael Möller . moel@14: Portions created by the Initial Developer are Copyright (C) 2009-2010 moel@14: the Initial Developer. All Rights Reserved. moel@14: moel@14: Contributor(s): moel@14: moel@14: Alternatively, the contents of this file may be used under the terms of moel@14: either the GNU General Public License Version 2 or later (the "GPL"), or moel@14: the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), moel@14: in which case the provisions of the GPL or the LGPL are applicable instead moel@14: of those above. If you wish to allow use of your version of this file only moel@14: under the terms of either the GPL or the LGPL, and not to allow others to moel@14: use your version of this file under the terms of the MPL, indicate your moel@14: decision by deleting the provisions above and replace them with the notice moel@14: and other provisions required by the GPL or the LGPL. If you do not delete moel@14: the provisions above, a recipient may use your version of this file under moel@14: the terms of any one of the MPL, the GPL or the LGPL. moel@14: moel@14: */ moel@14: paulwerelds@192: using System; moel@196: using System.Globalization; moel@196: using System.Text; paulwerelds@192: using System.Threading; paulwerelds@192: moel@191: namespace OpenHardwareMonitor.Hardware.CPU { moel@196: internal sealed class AMD0FCPU : AMDCPU { moel@196: moel@195: private readonly Sensor[] coreTemperatures; moel@195: private readonly Sensor[] coreClocks; moel@195: private readonly Sensor busClock; moel@14: paulwerelds@192: private const uint FIDVID_STATUS = 0xC0010042; moel@196: moel@196: private const byte MISCELLANEOUS_CONTROL_FUNCTION = 3; moel@196: private const ushort MISCELLANEOUS_CONTROL_DEVICE_ID = 0x1103; moel@14: private const uint THERMTRIP_STATUS_REGISTER = 0xE4; moel@50: private const byte THERM_SENSE_CORE_SEL_CPU0 = 0x4; moel@14: private const byte THERM_SENSE_CORE_SEL_CPU1 = 0x0; moel@14: moel@196: private readonly uint miscellaneousControlAddress; moel@196: moel@191: public AMD0FCPU(int processorIndex, CPUID[][] cpuid, ISettings settings) moel@191: : base(processorIndex, cpuid, settings) moel@191: { moel@77: float offset = -49.0f; moel@63: moel@63: // AM2+ 65nm +21 offset moel@90: uint model = cpuid[0][0].Model; moel@63: if (model >= 0x69 && model != 0xc1 && model != 0x6c && model != 0x7c) moel@63: offset += 21; moel@63: moel@90: // check if processor supports a digital thermal sensor moel@90: if (cpuid[0][0].ExtData.GetLength(0) > 7 && moel@90: (cpuid[0][0].ExtData[7, 3] & 1) != 0) moel@90: { moel@90: coreTemperatures = new Sensor[coreCount]; moel@90: for (int i = 0; i < coreCount; i++) { moel@90: coreTemperatures[i] = moel@134: new Sensor("Core #" + (i + 1), i, SensorType.Temperature, moel@195: this, new [] { new ParameterDescription("Offset [°C]", moel@90: "Temperature offset of the thermal sensor.\n" + moel@90: "Temperature = Value + Offset.", offset) moel@165: }, settings); moel@90: } moel@90: } else { moel@90: coreTemperatures = new Sensor[0]; moel@26: } moel@24: moel@196: miscellaneousControlAddress = GetPciAddress( moel@196: MISCELLANEOUS_CONTROL_FUNCTION, MISCELLANEOUS_CONTROL_DEVICE_ID); moel@14: paulwerelds@192: busClock = new Sensor("Bus Speed", 0, SensorType.Clock, this, settings); paulwerelds@192: coreClocks = new Sensor[coreCount]; paulwerelds@192: for (int i = 0; i < coreClocks.Length; i++) { paulwerelds@193: coreClocks[i] = new Sensor(CoreString(i), i + 1, SensorType.Clock, paulwerelds@193: this, settings); moel@201: if (HasTimeStampCounter) paulwerelds@192: ActivateSensor(coreClocks[i]); paulwerelds@192: } paulwerelds@192: moel@14: Update(); moel@14: } moel@14: moel@191: protected override uint[] GetMSRs() { moel@195: return new [] { FIDVID_STATUS }; moel@14: } moel@14: moel@196: public override string GetReport() { moel@196: StringBuilder r = new StringBuilder(); moel@196: r.Append(base.GetReport()); moel@196: moel@197: r.Append("Miscellaneous Control Address: 0x"); moel@196: r.AppendLine((miscellaneousControlAddress).ToString("X", moel@196: CultureInfo.InvariantCulture)); moel@196: r.AppendLine(); moel@196: moel@196: return r.ToString(); moel@196: } moel@196: moel@110: public override void Update() { moel@191: base.Update(); moel@191: moel@236: if (miscellaneousControlAddress != Ring0.InvalidPciAddress) { moel@42: for (uint i = 0; i < coreTemperatures.Length; i++) { moel@236: if (Ring0.WritePciConfig( moel@196: miscellaneousControlAddress, THERMTRIP_STATUS_REGISTER, moel@42: i > 0 ? THERM_SENSE_CORE_SEL_CPU1 : THERM_SENSE_CORE_SEL_CPU0)) { moel@42: uint value; moel@236: if (Ring0.ReadPciConfig( moel@196: miscellaneousControlAddress, THERMTRIP_STATUS_REGISTER, moel@196: out value)) moel@196: { moel@63: coreTemperatures[i].Value = ((value >> 16) & 0xFF) + moel@63: coreTemperatures[i].Parameters[0].Value; moel@42: ActivateSensor(coreTemperatures[i]); moel@42: } else { moel@42: DeactivateSensor(coreTemperatures[i]); moel@42: } moel@24: } moel@14: } moel@24: } paulwerelds@192: moel@201: if (HasTimeStampCounter) { paulwerelds@192: double newBusClock = 0; paulwerelds@192: paulwerelds@192: for (int i = 0; i < coreClocks.Length; i++) { paulwerelds@192: Thread.Sleep(1); paulwerelds@192: paulwerelds@192: uint eax, edx; moel@236: if (Ring0.RdmsrTx(FIDVID_STATUS, out eax, out edx, moel@238: 1UL << cpuid[i][0].Thread)) { paulwerelds@192: // CurrFID can be found in eax bits 0-5, MaxFID in 16-21 paulwerelds@192: // 8-13 hold StartFID, we don't use that here. paulwerelds@192: double curMP = 0.5 * ((eax & 0x3F) + 8); paulwerelds@192: double maxMP = 0.5 * ((eax >> 16 & 0x3F) + 8); moel@201: coreClocks[i].Value = moel@201: (float)(curMP * TimeStampCounterFrequency / maxMP); moel@201: newBusClock = (float)(TimeStampCounterFrequency / maxMP); paulwerelds@194: } else { paulwerelds@194: // Fail-safe value - if the code above fails, we'll use this instead moel@201: coreClocks[i].Value = (float)TimeStampCounterFrequency; paulwerelds@192: } paulwerelds@192: } paulwerelds@192: paulwerelds@192: if (newBusClock > 0) { paulwerelds@192: this.busClock.Value = (float)newBusClock; paulwerelds@192: ActivateSensor(this.busClock); paulwerelds@192: } paulwerelds@192: } moel@191: } moel@191: moel@14: } moel@14: }