common.h

#ifndef COMMON_H
#define COMMON_H

#ifdef FF //Ignore this.
#include <stdlib.h>

#define ROI_BEGIN() \
  __asm__ __volatile__(".byte 0x0f\n\t.byte 0x27\n\t.byte 0x00\n\t.byte 0x0b")
#define ROI_END() \
  exit(0)
  //_exit(0)

#elif MAGIC //current default

//Magic only works for X86 right now
#define ROI_BEGIN() \
  __asm__ __volatile__ ("xchg %bx,%bx");
#define ROI_END() \
  __asm__ __volatile__ ("xchg %cx,%cx");


#define DETAILED_SIM_STOP() \
    _exit(0)
#else // Ignore this for now -- put working timing code here
#define ROI_BEGIN() \
    ticks _Time0, _Time1; \
    _Time0 = _ClockGetTime();
#define ROI_END() \
    _Time1 = _ClockGetTime(); \
    printf("_ticks: %llu\n",_Time1 - _Time0);

#include <time.h>



typedef unsigned long long ticks;
static inline __attribute__((always_inline)) ticks _ClockGetTime()
{
  //return -1;
  //struct timespec ts;
  //clock_gettime(CLOCK_REALTIME, &ts);
  //return (ticks)(ts.tv_sec) * 1000000LL + (ticks)(ts.tv_nsec) / 1000LL;
}

#endif // NO MAGIC

#endif //define COMMON_H