Method init

Engine/source/platformWin32/winCPUInfo.cpp:111–186

}

void Processor::init()
{
   // Reference:
   //    www.cyrix.com
   //    www.amd.com
   //    www.intel.com
   //       http://developer.intel.com/design/PentiumII/manuals/24512701.pdf

   Platform::SystemInfo.processor.type = CPU_X86Compatible;
   Platform::SystemInfo.processor.name = StringTable->insert("Unknown x86 Compatible");
   Platform::SystemInfo.processor.mhz  = 0;
   Platform::SystemInfo.processor.properties = CPU_PROP_C | CPU_PROP_FPU | CPU_PROP_LE;

   char  vendor[0x20];
   dMemset(vendor, 0, sizeof(vendor));

   S32 vendorInfo[4];
   __cpuid(vendorInfo, 0);
   *reinterpret_cast<int*>(vendor) = vendorInfo[1];     // ebx
   *reinterpret_cast<int*>(vendor + 4) = vendorInfo[3]; // edx
   *reinterpret_cast<int*>(vendor + 8) = vendorInfo[2]; // ecx

   char brand[0x40];
   dMemset(brand, 0, sizeof(brand));
   getBrand(brand);

   SetProcessorInfo(Platform::SystemInfo.processor, vendor, brand);
   detectCpuFeatures(Platform::SystemInfo.processor);

   U32 mhz = 1000; // default if it can't be found

   LONG result;
   DWORD data = 0;
   DWORD dataSize = 4;
   HKEY hKey;

   result = ::RegOpenKeyExA (HKEY_LOCAL_MACHINE,"Hardware\\Description\\System\\CentralProcessor\\0", 0, KEY_QUERY_VALUE, &hKey);

   if (result == ERROR_SUCCESS)
   {
      result = ::RegQueryValueExA (hKey, "~MHz",NULL, NULL,(LPBYTE)&data, &dataSize);

      if (result == ERROR_SUCCESS)
         mhz = data;

      ::RegCloseKey(hKey);
   }

   Platform::SystemInfo.processor.mhz = mhz;

   Con::printf("Processor Init:");
   Con::printf("   Processor: %s", Platform::SystemInfo.processor.name);
   if (Platform::SystemInfo.processor.properties & CPU_PROP_MMX)
      Con::printf("      MMX detected" );
   if (Platform::SystemInfo.processor.properties & CPU_PROP_SSE)
      Con::printf("      SSE detected" );
   if (Platform::SystemInfo.processor.properties & CPU_PROP_SSE2)
      Con::printf("      SSE2 detected" );