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 <m.moeller@gmx.ch>.
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: }