VC 获取CPU详细信息源码

#include "StdAfx.h" #include "icpuinfo.h" #include <complex> unsigned __int64 ICPUInfo::GetSpeed() const { unsigned __int64 start, stop; unsigned __int64 nCtr, nFreq, nCtrStop; QueryPerformanceFrequency((LARGE_INTEGER *)&nFreq); _asm _emit 0x0F _asm _emit 0x31 _asm mov DWORD PTR start, eax _asm mov DWORD PTR [start+4], edx QueryPerformanceCounter((LARGE_INTEGER *)&nCtrStop); nCtrStop += nFreq; do { QueryPerformanceCounter((LARGE_INTEGER *)&nCtr); }while (nCtr < nCtrStop); _asm _emit 0x0F _asm _emit 0x31 _asm mov DWORD PTR stop, eax _asm mov DWORD PTR [stop+4], edx return (stop-start); } std::string ICPUInfo::FormatSpeed(unsigned __int64 speed) const { char *msr[]={"KB","MB","GB"}; int i=0; std::string sSpeed(""); std::stringstream ssSpeed(sSpeed); __int64 iSpeed = GetSpeed(); for(i=3; i>0; i--) { double fpow = pow(1024.0,i); if(iSpeed>=fpow) { double fSpeed = iSpeed/fpow; ssSpeed << fSpeed << msr[i-1]; break; } } sSpeed = ssSpeed.str(); return sSpeed; } std::string ICPUInfo::GetVendorName() const { DWORD dwMax = 0; union { char cBuffer[12+1]; struct { DWORD dw0; DWORD dw1; DWORD dw2; } stc; } Vendor; _asm { push ebx push ecx push edx // get the vendor string xor eax, eax cpuid mov dwMax, eax mov Vendor.stc.dw0, ebx mov Vendor.stc.dw1, edx mov Vendor.stc.dw2, ecx pop ecx pop ebx pop edx } Vendor.cBuffer[12] = 0; std::string sVendor(Vendor.cBuffer); return sVendor; } std::string ICPUInfo::GetCPUName(std::string vendor, short int family, short int model, short int family_ex, short int model_ex) const { if(vendor.compare("GenuineIntel") == 0) { switch(family) { case 4: { switch(model) { case 0: return "INTEL 486 DX-25/33"; case 1: return "INTEL 486 DX-50"; case 2: return "INTEL 486 SX"; case 3: return "INTEL 486 DX2"; case 4: return "INTEL 486 SL"; case 5: return "INTEL 486 SX2"; case 7: return "INTEL 486 DX2-WB"; case 8: return "INTEL 486 DX4"; case 9: return "INTEL 486 DX4-WB"; } } break; case 5: { switch(model) { case 0: return "INTEL Pentium 60/66 A-step"; case 1: return "INTEL Pentium 60/66"; case 2: return "INTEL Pentium 75-200"; case 3: return "INTEL OverDrive PODP5V83"; case 4: return "INTEL Pentium MMX"; case 7: return "INTEL Mobile Pentium 75-200"; case 8: return "INTEL Mobile Pentium MMX"; } break; } case 6: { switch(model) { case 1: return "INTEL Pentium Pro A-Step"; case 2: return "INTEL Pentium Pro"; case 3: return "INTEL Pentium II Klamath"; case 5: return "INTEL Pentium II Deschutes"; case 6: return "INTEL Celeron Mendocino"; case 7: return "INTEL Pentium III Katmai"; case 8: return "INTEL Pentium III Coppermine"; case 9: return "INTEL Mobile Pentium III"; case 10: return "INTEL Pentium III (0.18um)"; case 11: return "INTEL Pentium III (0.13um)"; } } case 7: return "INTEL Itanium"; case 15: { switch(family_ex) { case 0: { switch(model_ex) { case 0: case 1: return "INTEL Pentium IV (0.18 痠)"; case 2: return "INTEL Pentium IV (0.13 痠)"; case 3: return "INTEL Pentium IV (0.09 痠)"; } } break; case 1: return "INTEL Itanium 2 (IA-64)"; } } break; } } else if(vendor.compare("AuthenticAMD") == 0) { switch(family) { case 4: { switch(model) { case 3:return "AMD 486 DX2"; case 7:return "AMD 486 DX2-WB"; case 8:return "AMD 486 DX4"; case 9:return "AMD 486 DX4-WB"; case 14:return "AMD Am5x86-WT"; case 15:return "AMD Am5x86-WB"; } } break; case 5: { switch(model) { case 0: return "AMD K5 SSA5"; case 1: case 2: case 3: return "AMD K5"; case 6: case 7: return "AMD K6"; case 8: return "AMD K6-2"; case 9: return "AMD K6-3"; case 13: return "AMD K6-3+"; } } break; case 6: { switch(model) { case 0: case 1: return "AMD Athlon (25um)"; case 2: return "AMD Athlon (18um)"; case 3: return "AMD Duron"; case 4: return "AMD Athlon Thunderbird"; case 6: return "AMD Athlon Palamino"; case 7: return "AMD Duron Morgan"; case 8: return "AMD Athlon Thoroughbred"; case 10: return "AMD Athlon Barton"; } } break; case 15: { switch(family_ex) { case 0: { switch(model_ex) { case 4: return "AMD Athlon 64"; case 5: return "AMD Athlon 64FX Operon"; } } } } } } else if(vendor.compare("CyrixInstead") == 0) return "Cyrix"; else if(vendor.compare("CentaurHauls") == 0) return "Centaur"; return "unknown"; }