Added initial support for Intel Sandy Bridge CPUs.
1.1 --- a/Hardware/CPU/IntelCPU.cs Thu Jan 20 21:48:26 2011 +0000
1.2 +++ b/Hardware/CPU/IntelCPU.cs Fri Jan 21 21:41:14 2011 +0000
1.3 @@ -46,7 +46,8 @@
1.4 Unknown,
1.5 Core,
1.6 Atom,
1.7 - Nehalem
1.8 + Nehalem,
1.9 + SandyBridge
1.10 }
1.11
1.12 private readonly Sensor[] coreTemperatures;
1.13 @@ -68,6 +69,20 @@
1.14 return result;
1.15 }
1.16
1.17 + private float[] GetTjMaxFromMSR() {
1.18 + uint eax, edx;
1.19 + float[] result = new float[coreCount];
1.20 + for (int i = 0; i < coreCount; i++) {
1.21 + if (Ring0.RdmsrTx(IA32_TEMPERATURE_TARGET, out eax,
1.22 + out edx, 1UL << cpuid[i][0].Thread)) {
1.23 + result[i] = (eax >> 16) & 0xFF;
1.24 + } else {
1.25 + result[i] = 100;
1.26 + }
1.27 + }
1.28 + return result;
1.29 + }
1.30 +
1.31 public IntelCPU(int processorIndex, CPUID[][] cpuid, ISettings settings)
1.32 : base(processorIndex, cpuid, settings)
1.33 {
1.34 @@ -111,19 +126,17 @@
1.35 } break;
1.36 case 0x1A: // Intel Core i7 LGA1366 (45nm)
1.37 case 0x1E: // Intel Core i5, i7 LGA1156 (45nm)
1.38 + case 0x1F: // Intel Core i5, i7
1.39 case 0x25: // Intel Core i3, i5, i7 LGA1156 (32nm)
1.40 case 0x2C: // Intel Core i7 LGA1366 (32nm) 6 Core
1.41 + case 0x2E: // Intel Xeon Processor 7500 series
1.42 microarchitecture = Microarchitecture.Nehalem;
1.43 - uint eax, edx;
1.44 - tjMax = new float[coreCount];
1.45 - for (int i = 0; i < coreCount; i++) {
1.46 - if (Ring0.RdmsrTx(IA32_TEMPERATURE_TARGET, out eax,
1.47 - out edx, 1UL << cpuid[i][0].Thread)) {
1.48 - tjMax[i] = (eax >> 16) & 0xFF;
1.49 - } else {
1.50 - tjMax[i] = 100;
1.51 - }
1.52 - }
1.53 + tjMax = GetTjMaxFromMSR();
1.54 + break;
1.55 + case 0x2A: // Intel Core i5, i7 2xxx LGA1155 (32nm)
1.56 + case 0x2D: // Next Generation Intel Xeon Processor
1.57 + microarchitecture = Microarchitecture.SandyBridge;
1.58 + tjMax = GetTjMaxFromMSR();
1.59 break;
1.60 default:
1.61 microarchitecture = Microarchitecture.Unknown;
1.62 @@ -147,7 +160,8 @@
1.63 ((edx >> 8) & 0x1f) + 0.5 * ((edx >> 14) & 1);
1.64 }
1.65 } break;
1.66 - case Microarchitecture.Nehalem: {
1.67 + case Microarchitecture.Nehalem:
1.68 + case Microarchitecture.SandyBridge: {
1.69 uint eax, edx;
1.70 if (Ring0.Rdmsr(MSR_PLATFORM_INFO, out eax, out edx)) {
1.71 timeStampCounterMultiplier = (eax >> 8) & 0xff;
1.72 @@ -241,7 +255,9 @@
1.73 {
1.74 newBusClock =
1.75 TimeStampCounterFrequency / timeStampCounterMultiplier;
1.76 - if (microarchitecture == Microarchitecture.Nehalem) {
1.77 + if (microarchitecture == Microarchitecture.Nehalem ||
1.78 + microarchitecture == Microarchitecture.SandyBridge)
1.79 + {
1.80 uint multiplier = eax & 0xff;
1.81 coreClocks[i].Value = (float)(multiplier * newBusClock);
1.82 } else {