moel@14: /*
moel@344:
moel@344: This Source Code Form is subject to the terms of the Mozilla Public
moel@344: License, v. 2.0. If a copy of the MPL was not distributed with this
moel@344: file, You can obtain one at http://mozilla.org/MPL/2.0/.
moel@344:
moel@344: Copyright (C) 2009-2010 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@344: Copyright (C) 2010 Paul Werelds <paul@werelds.net>
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@272:
moel@272: private readonly byte thermSenseCoreSelCPU0;
moel@272: private readonly byte thermSenseCoreSelCPU1;
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@272: if (model < 40) {
moel@272: // AMD Athlon 64 Processors
moel@272: thermSenseCoreSelCPU0 = 0x0;
moel@272: thermSenseCoreSelCPU1 = 0x4;
moel@272: } else {
moel@272: // AMD NPT Family 0Fh Revision F, G have the core selection swapped
moel@272: thermSenseCoreSelCPU0 = 0x4;
moel@272: thermSenseCoreSelCPU1 = 0x0;
moel@272: }
moel@272:
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@272: i > 0 ? thermSenseCoreSelCPU1 : thermSenseCoreSelCPU0)) {
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: }