| Bodo Stroesser | 5fd861b | 2005-05-05 16:15:37 -0700 | [diff] [blame] | 1 | #include "linux/delay.h" |
| 2 | #include "asm/param.h" |
| 3 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| Bodo Stroesser | 5fd861b | 2005-05-05 16:15:37 -0700 | [diff] [blame] | 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 | } |