404 lines
16 KiB
C#
404 lines
16 KiB
C#
/******************************************************************************/
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/* CPUCapabilities.NET, by LoRd_MuldeR <MuldeR2@GMX.de> */
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/* This work has been released under the CC0 1.0 Universal license! */
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/******************************************************************************/
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace com.muldersoft.slunkcrypt.gui.utils.cpu
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{
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// ==================================================================
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// CPU Flags
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// ==================================================================
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public enum CPUArchitecture : uint
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{
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CPU_ARCH_X86 = 0x00000001,
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CPU_ARCH_X64 = 0x00000002,
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CPU_ARCH_A64 = 0x00000003
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}
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[Flags]
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public enum CPUCapabilities : ulong
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{
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CPU_3DNOW = 0x0000000000000001,
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CPU_3DNOWEXT = 0x0000000000000002,
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CPU_ADX = 0x0000000000000004,
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CPU_AES = 0x0000000000000008,
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CPU_AVX = 0x0000000000000010,
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CPU_AVX2 = 0x0000000000000020,
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CPU_AVX512_BITALG = 0x0000000000000040,
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CPU_AVX512_BW = 0x0000000000000080,
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CPU_AVX512_CD = 0x0000000000000100,
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CPU_AVX512_DQ = 0x0000000000000200,
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CPU_AVX512_ER = 0x0000000000000400,
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CPU_AVX512_F = 0x0000000000000800,
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CPU_AVX512_IFMA = 0x0000000000001000,
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CPU_AVX512_PF = 0x0000000000002000,
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CPU_AVX512_VBMI = 0x0000000000004000,
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CPU_AVX512_VBMI2 = 0x0000000000008000,
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CPU_AVX512_VL = 0x0000000000010000,
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CPU_AVX512_VNNI = 0x0000000000020000,
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CPU_AVX512_VPOPCNTDQ = 0x0000000000040000,
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CPU_BMI1 = 0x0000000000080000,
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CPU_BMI2 = 0x0000000000100000,
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CPU_CLFSH = 0x0000000000200000,
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CPU_CMOV = 0x0000000000400000,
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CPU_CX16 = 0x0000000000800000,
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CPU_CX8 = 0x0000000001000000,
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CPU_ERMS = 0x0000000002000000,
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CPU_FMA3 = 0x0000000004000000,
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CPU_FMA4 = 0x0000000008000000,
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CPU_FPU = 0x0000000010000000,
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CPU_FSGSBASE = 0x0000000020000000,
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CPU_FXSR = 0x0000000040000000,
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CPU_HLE = 0x0000000080000000,
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CPU_HTT = 0x0000000100000000,
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CPU_INVPCID = 0x0000000200000000,
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CPU_LAHF = 0x0000000400000000,
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CPU_LZCNT = 0x0000000800000000,
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CPU_MMX = 0x0000001000000000,
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CPU_MMXEXT = 0x0000002000000000,
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CPU_MONITOR = 0x0000004000000000,
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CPU_MOVBE = 0x0000008000000000,
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CPU_MSR = 0x0000010000000000,
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CPU_OSXSAVE = 0x0000020000000000,
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CPU_PCLMULQDQ = 0x0000040000000000,
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CPU_POPCNT = 0x0000080000000000,
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CPU_PREFETCHWT1 = 0x0000100000000000,
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CPU_RDRND = 0x0000200000000000,
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CPU_RDSEED = 0x0000400000000000,
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CPU_RDTSCP = 0x0000800000000000,
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CPU_RTM = 0x0001000000000000,
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CPU_SEP = 0x0002000000000000,
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CPU_SHA = 0x0004000000000000,
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CPU_SSE = 0x0008000000000000,
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CPU_SSE2 = 0x0010000000000000,
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CPU_SSE3 = 0x0020000000000000,
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CPU_SSE41 = 0x0040000000000000,
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CPU_SSE42 = 0x0080000000000000,
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CPU_SSE4a = 0x0100000000000000,
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CPU_SSSE3 = 0x0200000000000000,
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CPU_SYSCALL = 0x0400000000000000,
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CPU_TBM = 0x0800000000000000,
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CPU_TSC = 0x1000000000000000,
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CPU_XOP = 0x2000000000000000,
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CPU_XSAVE = 0x4000000000000000
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}
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// ==================================================================
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// CPUInformation
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// ==================================================================
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public struct CPUInformation
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{
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public CPUInformation(byte type, byte familyExt, byte family, byte modelExt, byte model, byte stepping)
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{
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Type = type;
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RawFamily = family;
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RawFamilyExt = familyExt;
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RawModel = model;
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RawModelExt = modelExt;
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Stepping = stepping;
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}
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public byte Type { get; }
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public byte RawFamily { get; }
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public byte RawFamilyExt { get; }
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public byte RawModel { get; }
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public byte RawModelExt { get; }
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public byte Stepping { get; }
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public uint Family
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{
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get { return (RawFamily == 15U) ? (((uint)RawFamilyExt) + RawFamily) : RawFamily; }
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}
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public uint Model
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{
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get { return ((RawFamily == 6U) || (RawFamily == 15U)) ? ((((uint)RawModelExt) << 4) + RawModel) : RawModel; }
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}
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public override String ToString()
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{
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return String.Format("Type={0}, Family={1}, Model={2}, Stepping={3}", Type, Family, Model, Stepping);
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}
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}
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// ==================================================================
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// CPU class
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// ==================================================================
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public static class CPU
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{
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private static readonly Lazy<bool> m_x64Process = new Lazy<bool>(() => Environment.Is64BitProcess);
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private static readonly Lazy<CPUArchitecture> m_architecture = new Lazy<CPUArchitecture>(GetCPUArchitecture);
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private static readonly Lazy<uint> m_count = new Lazy<uint>(GetCPUCount);
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private static readonly Lazy<CPUInformation> m_information = new Lazy<CPUInformation>(GetCPUInformation);
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private static readonly Lazy<string> m_vendor = new Lazy<string>(GetCPUVendorString);
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private static readonly Lazy<CPUCapabilities> m_capabilities = new Lazy<CPUCapabilities>(GetCPUCapabilities);
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private static readonly Lazy<Tuple<ushort, ushort>> m_libraryVersion = new Lazy<Tuple<ushort, ushort>>(GetCPULibraryVersion);
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private static readonly Lazy<string> m_brand = new Lazy<string>(GetCPUBrandString);
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private static readonly Tuple<ushort, ushort> REQUIRED_LIBRARY_VERSION = Tuple.Create<ushort, ushort>(2, 0);
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// ------------------------------------------------------------------
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// Properties
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// ------------------------------------------------------------------
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public static bool IsX64Process
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{
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get { return m_x64Process.Value; }
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}
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public static CPUArchitecture Architecture
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{
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get { return m_architecture.Value; }
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}
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public static uint Count
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{
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get { return m_count.Value; }
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}
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public static string Vendor
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{
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get { return m_vendor.Value; }
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}
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public static CPUInformation Information
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{
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get { return m_information.Value; }
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}
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public static CPUCapabilities Capabilities
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{
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get { return m_capabilities.Value; }
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}
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public static string Brand
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{
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get { return m_brand.Value; }
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}
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public static Tuple<ushort, ushort> LibraryVersion
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{
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get { return m_libraryVersion.Value; }
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}
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// ------------------------------------------------------------------
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// Initialization methods
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// ------------------------------------------------------------------
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private static CPUArchitecture GetCPUArchitecture()
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{
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try
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{
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ushort processMachine, nativeMachine;
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if (Internal.IsWow64Process2(Internal.GetCurrentProcess(), out processMachine, out nativeMachine))
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{
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switch(nativeMachine)
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{
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case 0x8664:
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return CPUArchitecture.CPU_ARCH_X64;
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case 0xAA64:
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return CPUArchitecture.CPU_ARCH_A64;
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default:
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return CPUArchitecture.CPU_ARCH_X86;
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}
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}
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}
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catch { }
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try
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{
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VerifyLibraryVersion();
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uint value = IsX64Process ? Internal.GetCPUArchitectureX64() : Internal.GetCPUArchitectureX86();
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return (CPUArchitecture)value;
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}
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catch (Exception e)
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{
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throw new SystemException("Failed to determine CPU architecture!", e);
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}
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}
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private static uint GetCPUCount()
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{
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try
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{
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VerifyLibraryVersion();
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return IsX64Process ? Internal.GetCPUCountX64() : Internal.GetCPUCountX86();
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}
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catch (Exception e)
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{
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throw new SystemException("Failed to determine CPU count!", e);
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}
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}
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private static string GetCPUVendorString()
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{
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const uint BUFFER_SIZE = 13;
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try
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{
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byte[] buffer = new byte[BUFFER_SIZE];
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VerifyLibraryVersion();
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if (IsX64Process ? Internal.GetCPUVendorStringX64(buffer, BUFFER_SIZE) : Internal.GetCPUVendorStringX86(buffer, BUFFER_SIZE))
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{
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return AllocateAsciiString(buffer);
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}
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return string.Empty;
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}
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catch (Exception e)
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{
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throw new SystemException("Failed to determine CPU vendor string!", e);
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}
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}
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private static CPUInformation GetCPUInformation()
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{
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try
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{
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byte type, familyExt, family, modelExt, model, stepping;
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VerifyLibraryVersion();
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if (IsX64Process ? Internal.GetCPUInformationX64(out type, out familyExt, out family, out modelExt, out model, out stepping) : Internal.GetCPUInformationX86(out type, out familyExt, out family, out modelExt, out model, out stepping))
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{
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return new CPUInformation(type, familyExt, family, modelExt, model, stepping);
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}
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return new CPUInformation(0, 0, 0, 0, 0, 0);
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}
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catch (Exception e)
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{
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throw new SystemException("Failed to determine CPU family and model!", e);
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}
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}
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private static CPUCapabilities GetCPUCapabilities()
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{
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try
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{
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VerifyLibraryVersion();
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ulong value = IsX64Process ? Internal.GetCPUCapabilitiesX64() : Internal.GetCPUCapabilitiesX86();
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return (CPUCapabilities)value;
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}
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catch (Exception e)
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{
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throw new SystemException("Failed to determine CPU capabilities!", e);
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}
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}
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private static string GetCPUBrandString()
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{
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const uint BUFFER_SIZE = 48;
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try
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{
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byte[] buffer = new byte[BUFFER_SIZE];
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VerifyLibraryVersion();
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if (IsX64Process ? Internal.GetCPUBrandStringX64(buffer, BUFFER_SIZE) : Internal.GetCPUBrandStringX86(buffer, BUFFER_SIZE))
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{
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return AllocateAsciiString(buffer);
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}
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return string.Empty;
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}
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catch (Exception e)
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{
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throw new SystemException("Failed to determine CPU brand string!", e);
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}
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}
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private static Tuple<ushort, ushort> GetCPULibraryVersion()
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{
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try
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{
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uint value = IsX64Process ? Internal.GetCPULibraryVersionX64() : Internal.GetCPULibraryVersionX86();
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return Tuple.Create((ushort)((value >> 16) & 0xFFFF), (ushort)(value & 0xFFFF));
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}
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catch (Exception e)
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{
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throw new SystemException("Failed to determine CPU library version!", e);
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}
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}
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// ------------------------------------------------------------------
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// P/Invoke methods
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// ------------------------------------------------------------------
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private static class Internal
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{
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private const string DLL_NAME_X86 = "cpu-capabilities-x86.dll";
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private const string DLL_NAME_X64 = "cpu-capabilities-x64.dll";
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private const string DLL_KERNEL32 = "kernel32.dll";
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/* GetCPUArchitecture() */
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[DllImport(DLL_NAME_X64, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint GetCPUArchitectureX64();
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[DllImport(DLL_NAME_X86, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint GetCPUArchitectureX86();
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/* GetCPUCount() */
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[DllImport(DLL_NAME_X64, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint GetCPUCountX64();
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[DllImport(DLL_NAME_X86, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint GetCPUCountX86();
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/* GetCPUVendorString() */
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[DllImport(DLL_NAME_X64, CallingConvention = CallingConvention.Cdecl)]
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public static extern bool GetCPUVendorStringX64([Out] byte[] buffer, uint size);
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[DllImport(DLL_NAME_X86, CallingConvention = CallingConvention.Cdecl)]
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public static extern bool GetCPUVendorStringX86([Out] byte[] buffer, uint size);
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/* GetCPUInformation() */
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[DllImport(DLL_NAME_X64, CallingConvention = CallingConvention.Cdecl)]
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public static extern bool GetCPUInformationX64(out byte type, out byte familyExt, out byte family, out byte modelExt, out byte model, out byte stepping);
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[DllImport(DLL_NAME_X86, CallingConvention = CallingConvention.Cdecl)]
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public static extern bool GetCPUInformationX86(out byte type, out byte familyExt, out byte family, out byte modelExt, out byte model, out byte stepping);
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/* GetCPUCapabilities() */
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[DllImport(DLL_NAME_X64, CallingConvention = CallingConvention.Cdecl)]
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public static extern ulong GetCPUCapabilitiesX64();
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[DllImport(DLL_NAME_X86, CallingConvention = CallingConvention.Cdecl)]
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public static extern ulong GetCPUCapabilitiesX86();
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/* GetCPUBrandString() */
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[DllImport(DLL_NAME_X64, CallingConvention = CallingConvention.Cdecl)]
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public static extern bool GetCPUBrandStringX64([Out] byte[] buffer, uint size);
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[DllImport(DLL_NAME_X86, CallingConvention = CallingConvention.Cdecl)]
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public static extern bool GetCPUBrandStringX86([Out] byte[] buffer, uint size);
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/* GetCPULibraryVersion() */
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[DllImport(DLL_NAME_X64, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint GetCPULibraryVersionX64();
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[DllImport(DLL_NAME_X86, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint GetCPULibraryVersionX86();
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/* IsWow64Process2() */
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[DllImport(DLL_KERNEL32, EntryPoint = "IsWow64Process2", ExactSpelling = true)]
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public static extern bool IsWow64Process2(IntPtr process, out ushort processMachine, out ushort nativeMachine);
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[DllImport(DLL_KERNEL32, EntryPoint = "GetCurrentProcess", ExactSpelling = true)]
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public static extern IntPtr GetCurrentProcess();
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}
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// ------------------------------------------------------------------
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// Utility methods
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// ------------------------------------------------------------------
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private static void VerifyLibraryVersion()
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{
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if ((LibraryVersion.Item1 != REQUIRED_LIBRARY_VERSION.Item1) || (LibraryVersion.Item2 < REQUIRED_LIBRARY_VERSION.Item2))
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{
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throw new InvalidOperationException(string.Format("CPU library version {0} is not supported! (required version: {1})", m_libraryVersion.Value.Item1, REQUIRED_LIBRARY_VERSION));
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}
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}
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private static string AllocateAsciiString(byte[] buffer)
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{
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int index = Array.IndexOf(buffer, (byte)0);
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if (index >= 0)
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{
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return (index > 0) ? Encoding.ASCII.GetString(buffer, 0, index) : string.Empty;
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}
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return Encoding.ASCII.GetString(buffer);
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}
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}
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}
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