LXR qemu/pc-bios/s390-ccw/s390-time.h

   1#ifndef TIME_H
   2#define TIME_H
   3
   4static inline u64 get_clock(void)
   5{
   6    u64 r;
   7
   8    asm volatile("stck %0" : "=Q" (r) : : "cc");
   9    return r;
  10}
  11
  12static inline u64 get_time_ms(void)
  13{
  14    /* Bit 51 is incremented each microsecond */
  15    return (get_clock() >> 12) / 1000;
  16}
  17
  18static inline u64 get_time_seconds(void)
  19{
  20    return get_time_ms() / 1000;
  21}
  22
  23#endif
  24