moel@90: /*
moel@90:
moel@90: Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@90:
moel@90: The contents of this file are subject to the Mozilla Public License Version
moel@90: 1.1 (the "License"); you may not use this file except in compliance with
moel@90: the License. You may obtain a copy of the License at
moel@90:
moel@90: http://www.mozilla.org/MPL/
moel@90:
moel@90: Software distributed under the License is distributed on an "AS IS" basis,
moel@90: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@90: for the specific language governing rights and limitations under the License.
moel@90:
moel@90: The Original Code is the Open Hardware Monitor code.
moel@90:
moel@90: The Initial Developer of the Original Code is
moel@90: Michael Möller <m.moeller@gmx.ch>.
moel@90: Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@90: the Initial Developer. All Rights Reserved.
moel@90:
moel@90: Contributor(s):
moel@90:
moel@90: Alternatively, the contents of this file may be used under the terms of
moel@90: either the GNU General Public License Version 2 or later (the "GPL"), or
moel@90: the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@90: in which case the provisions of the GPL or the LGPL are applicable instead
moel@90: of those above. If you wish to allow use of your version of this file only
moel@90: under the terms of either the GPL or the LGPL, and not to allow others to
moel@90: use your version of this file under the terms of the MPL, indicate your
moel@90: decision by deleting the provisions above and replace them with the notice
moel@90: and other provisions required by the GPL or the LGPL. If you do not delete
moel@90: the provisions above, a recipient may use your version of this file under
moel@90: the terms of any one of the MPL, the GPL or the LGPL.
moel@90:
moel@90: */
moel@90:
moel@90: using System;
moel@90: using System.Text;
moel@90:
moel@90: namespace OpenHardwareMonitor.Hardware.CPU {
moel@165:
moel@165: internal enum Vendor {
moel@90: Unknown,
moel@90: Intel,
moel@90: AMD,
moel@90: }
moel@165:
moel@165: internal class CPUID {
moel@90:
moel@90: private int thread;
moel@90:
moel@124: private Vendor vendor = Vendor.Unknown;
moel@90:
moel@124: private string cpuBrandString = "";
moel@124: private string name = "";
moel@90:
moel@124: private uint[,] cpuidData = new uint[0, 0];
moel@124: private uint[,] cpuidExtData = new uint[0, 0];
moel@90:
moel@90: private uint family;
moel@90: private uint model;
moel@90: private uint stepping;
moel@90:
moel@90: private uint apicId;
moel@90:
moel@90: private uint threadMaskWith;
moel@90: private uint coreMaskWith;
moel@90:
moel@90: private uint processorId;
moel@90: private uint coreId;
moel@90: private uint threadId;
moel@90:
moel@90: public static uint CPUID_0 = 0;
moel@90: public static uint CPUID_EXT = 0x80000000;
moel@90:
moel@167: private static void AppendRegister(StringBuilder b, uint value) {
moel@90: b.Append((char)((value) & 0xff));
moel@90: b.Append((char)((value >> 8) & 0xff));
moel@90: b.Append((char)((value >> 16) & 0xff));
moel@90: b.Append((char)((value >> 24) & 0xff));
moel@90: }
moel@90:
moel@167: private static uint NextLog2(long x) {
moel@105: if (x <= 0)
moel@105: return 0;
moel@105:
moel@105: x--;
moel@105: uint count = 0;
moel@105: while (x > 0) {
moel@105: x >>= 1;
moel@105: count++;
moel@105: }
moel@105:
moel@105: return count;
moel@105: }
moel@105:
moel@90: public CPUID(int thread) {
moel@90: this.thread = thread;
moel@90:
moel@124: uint maxCpuid = 0;
moel@124: uint maxCpuidExt = 0;
moel@124:
moel@90: uint eax, ebx, ecx, edx;
moel@90:
moel@112: if (thread >= 32)
moel@167: throw new ArgumentOutOfRangeException("thread");
moel@90: UIntPtr mask = (UIntPtr)(1L << thread);
moel@90:
moel@90: if (WinRing0.CpuidTx(CPUID_0, 0,
moel@90: out eax, out ebx, out ecx, out edx, mask)) {
moel@112: if (eax > 0)
moel@112: maxCpuid = eax;
moel@112: else
moel@112: return;
moel@112:
moel@90: StringBuilder vendorBuilder = new StringBuilder();
moel@90: AppendRegister(vendorBuilder, ebx);
moel@90: AppendRegister(vendorBuilder, edx);
moel@90: AppendRegister(vendorBuilder, ecx);
moel@90: string cpuVendor = vendorBuilder.ToString();
moel@90: switch (cpuVendor) {
moel@90: case "GenuineIntel":
moel@90: vendor = Vendor.Intel;
moel@90: break;
moel@90: case "AuthenticAMD":
moel@90: vendor = Vendor.AMD;
moel@90: break;
moel@90: default:
moel@90: vendor = Vendor.Unknown;
moel@90: break;
moel@90: }
moel@90: eax = ebx = ecx = edx = 0;
moel@90: if (WinRing0.CpuidTx(CPUID_EXT, 0,
moel@112: out eax, out ebx, out ecx, out edx, mask)) {
moel@112: if (eax > CPUID_EXT)
moel@112: maxCpuidExt = eax - CPUID_EXT;
moel@112: else
moel@112: return;
moel@124: } else {
moel@167: throw new ArgumentOutOfRangeException("thread");
moel@112: }
moel@90: } else {
moel@167: throw new ArgumentOutOfRangeException("thread");
moel@90: }
moel@90:
moel@112: maxCpuid = Math.Min(maxCpuid, 1024);
moel@112: maxCpuidExt = Math.Min(maxCpuidExt, 1024);
moel@90:
moel@90: cpuidData = new uint[maxCpuid + 1, 4];
moel@90: for (uint i = 0; i < (maxCpuid + 1); i++)
moel@90: WinRing0.CpuidTx(CPUID_0 + i, 0,
moel@90: out cpuidData[i, 0], out cpuidData[i, 1],
moel@90: out cpuidData[i, 2], out cpuidData[i, 3], mask);
moel@90:
moel@95: cpuidExtData = new uint[maxCpuidExt + 1, 4];
moel@95: for (uint i = 0; i < (maxCpuidExt + 1); i++)
moel@90: WinRing0.CpuidTx(CPUID_EXT + i, 0,
moel@90: out cpuidExtData[i, 0], out cpuidExtData[i, 1],
moel@90: out cpuidExtData[i, 2], out cpuidExtData[i, 3], mask);
moel@90:
moel@90: StringBuilder nameBuilder = new StringBuilder();
moel@90: for (uint i = 2; i <= 4; i++) {
moel@90: if (WinRing0.CpuidTx(CPUID_EXT + i, 0,
moel@90: out eax, out ebx, out ecx, out edx, mask))
moel@90: {
moel@90: AppendRegister(nameBuilder, eax);
moel@90: AppendRegister(nameBuilder, ebx);
moel@90: AppendRegister(nameBuilder, ecx);
moel@90: AppendRegister(nameBuilder, edx);
moel@90: }
moel@90: }
moel@90: nameBuilder.Replace('\0', ' ');
moel@90: cpuBrandString = nameBuilder.ToString().Trim();
moel@90: nameBuilder.Replace("(R)", " ");
moel@90: nameBuilder.Replace("(TM)", " ");
moel@90: nameBuilder.Replace("(tm)", " ");
moel@90: nameBuilder.Replace("CPU", "");
moel@90: for (int i = 0; i < 10; i++) nameBuilder.Replace(" ", " ");
moel@90: name = nameBuilder.ToString();
moel@90: if (name.Contains("@"))
moel@90: name = name.Remove(name.LastIndexOf('@'));
moel@95: name = name.Trim();
moel@90:
moel@90: this.family = ((cpuidData[1, 0] & 0x0FF00000) >> 20) +
moel@90: ((cpuidData[1, 0] & 0x0F00) >> 8);
moel@90: this.model = ((cpuidData[1, 0] & 0x0F0000) >> 12) +
moel@90: ((cpuidData[1, 0] & 0xF0) >> 4);
moel@90: this.stepping = (cpuidData[1, 0] & 0x0F);
moel@90:
moel@90: this.apicId = (cpuidData[1, 1] >> 24) & 0xFF;
moel@90:
moel@90: switch (vendor) {
moel@90: case Vendor.Intel:
moel@90: uint maxCoreAndThreadIdPerPackage = (cpuidData[1, 1] >> 16) & 0xFF;
moel@95: uint maxCoreIdPerPackage;
moel@95: if (maxCpuid >= 4)
moel@95: maxCoreIdPerPackage = ((cpuidData[4, 0] >> 26) & 0x3F) + 1;
moel@95: else
moel@95: maxCoreIdPerPackage = 1;
moel@105: threadMaskWith =
moel@105: NextLog2(maxCoreAndThreadIdPerPackage / maxCoreIdPerPackage);
moel@105: coreMaskWith = NextLog2(maxCoreIdPerPackage);
moel@90: break;
moel@90: case Vendor.AMD:
moel@95: uint corePerPackage;
moel@95: if (maxCpuidExt >= 8)
moel@95: corePerPackage = (cpuidExtData[8, 2] & 0xFF) + 1;
moel@95: else
moel@95: corePerPackage = 1;
moel@90: threadMaskWith = 0;
moel@105: coreMaskWith = NextLog2(corePerPackage);
moel@90: break;
moel@90: default:
moel@90: threadMaskWith = 0;
moel@90: coreMaskWith = 0;
moel@90: break;
moel@90: }
moel@90:
moel@90: processorId = (uint)(apicId >> (int)(coreMaskWith + threadMaskWith));
moel@95: coreId = (uint)((apicId >> (int)(threadMaskWith))
moel@102: - (processorId << (int)(coreMaskWith)));
moel@95: threadId = apicId
moel@95: - (processorId << (int)(coreMaskWith + threadMaskWith))
moel@95: - (coreId << (int)(threadMaskWith));
moel@90: }
moel@90:
moel@90: public string Name {
moel@90: get { return name; }
moel@90: }
moel@90:
moel@90: public string BrandString {
moel@90: get { return cpuBrandString; }
moel@90: }
moel@90:
moel@90: public int Thread {
moel@90: get { return thread; }
moel@90: }
moel@90:
moel@90: public Vendor Vendor {
moel@90: get { return vendor; }
moel@90: }
moel@90:
moel@90: public uint Family {
moel@90: get { return family; }
moel@90: }
moel@90:
moel@90: public uint Model {
moel@90: get { return model; }
moel@90: }
moel@90:
moel@90: public uint Stepping {
moel@90: get { return stepping; }
moel@90: }
moel@90:
moel@90: public uint ApicId {
moel@90: get { return apicId; }
moel@90: }
moel@90:
moel@90: public uint ProcessorId {
moel@90: get { return processorId; }
moel@90: }
moel@90:
moel@90: public uint CoreId {
moel@90: get { return coreId; }
moel@90: }
moel@90:
moel@90: public uint ThreadId {
moel@90: get { return threadId; }
moel@90: }
moel@90:
moel@90: public uint[,] Data {
moel@90: get { return cpuidData; }
moel@90: }
moel@90:
moel@90: public uint[,] ExtData {
moel@90: get { return cpuidExtData; }
moel@90: }
moel@90: }
moel@90: }