MeVis/Foundation/Sources/OSXSupport/macCPUInfo.h

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// **InsertLicense** code author="Felix Ritter" version="1.0"


#ifndef __macCPUInfo_H
#define __macCPUInfo_H
#if defined(__APPLE__)

#include <stdint.h>

namespace macx {
  
  class CPUInfo
  {
  public:
  
    enum CPUType {
      CPUTypeUnknown = -1,   
      CPUTypePPC,            
      CPUTypePPC64,          
      CPUTypeI386,           
      CPUTypeX86_64          
    };
    
    static CPUType getCPUType();
    
    static bool is64BitCapable() {
      return sysCtlBool("hw.cpu64bit_capable");
    }
    
    static bool isMMXPresent() {
      return sysCtlBool("hw.optional.mmx");
    }
    
    static bool isSSEPresent() {
      return sysCtlBool("hw.optional.sse");
    }
    
    static bool isSSE2Present() {
      return sysCtlBool("hw.optional.sse2");
    }
    
    static bool isSSE3Present() {
      return sysCtlBool("hw.optional.sse3");
    }
    
    static bool isSSSE3Present() {
      return sysCtlBool("hw.optional.supplementalsse3");
    }
    
    static bool isSSE4_1Present() {
      return sysCtlBool("hw.optional.sse4_1");
    }
    
    static bool isSSE4_2Present() {
      return sysCtlBool("hw.optional.sse4_2");
    }
    
    static bool isAESPresent() {
      return sysCtlBool("hw.optional.aes");
    }
    
    static uint64_t getCPUFrequency() {
      return sysCtlInt64("hw.cpufrequency");
    }
    
    static uint64_t getL1CacheSize() {
      // hw.l1dcachesize ?
      return sysCtlInt64("hw.l1icachesize");
    }

    static uint64_t getL2CacheSize() {
      return sysCtlInt64("hw.l2cachesize");
    }
    
    static uint64_t getL3CacheSize() {
      return sysCtlInt64("hw.l3cachesize");
    }
    
    static unsigned int getVirtualCoresCount() {
      int32_t packCount = sysCtlInt32("hw.packages");
      return (packCount == 0) ? 1 : sysCtlInt32("hw.ncpu") / packCount;
    }
    
  private:
    
    static bool    sysCtlBool (const char *option);
    static int32_t sysCtlInt32(const char *option);
    static int64_t sysCtlInt64(const char *option);
  };
  
}

#endif  // __APPLE__
#endif  // __macCPUInfo_H