arch/um/sys-i386/delay.c

   1 #include "linux/delay.h"
   2 #include "asm/param.h"
   3
   4 void __delay(unsigned long time)
   5 {
   6         /* Stolen from the i386 __loop_delay */
   7         int d0;
   8         __asm__ __volatile__(
   9                 "\tjmp 1f\n"
  10                 ".align 16\n"
  11                 "1:\tjmp 2f\n"
  12                 ".align 16\n"
  13                 "2:\tdecl %0\n\tjns 2b"
  14                 :"=&a" (d0)
  15                 :"0" (time));
  16 }
  17
  18 void __udelay(unsigned long usecs)
  19 {
  20         int i, n;
  21
  22         n = (loops_per_jiffy * HZ * usecs) / MILLION;
  23         for(i=0;i<n;i++) ;
  24 }
  25
  26 void __const_udelay(unsigned long usecs)
  27 {
  28         int i, n;
  29
  30         n = (loops_per_jiffy * HZ * usecs) / MILLION;
  31         for(i=0;i<n;i++) ;
  32 }