Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef ARCH_X86_H |
| 2 | #define ARCH_X86_H |
| 3 | |
| 4 | #define ARCH (arch_i386) |
| 5 | |
| 6 | #ifndef __NR_ioprio_set |
| 7 | #define __NR_ioprio_set 289 |
| 8 | #define __NR_ioprio_get 290 |
| 9 | #endif |
| 10 | |
| 11 | #ifndef __NR_fadvise64 |
| 12 | #define __NR_fadvise64 250 |
| 13 | #endif |
| 14 | |
Jens Axboe | 8756e4d | 2006-05-27 20:24:53 +0200 | [diff] [blame] | 15 | #ifndef __NR_sys_splice |
| 16 | #define __NR_sys_splice 313 |
| 17 | #define __NR_sys_tee 315 |
| 18 | #define __NR_sys_vmsplice 316 |
| 19 | #endif |
| 20 | |
Ingo Molnar | bf0dc8f | 2007-02-21 23:25:44 +0100 | [diff] [blame] | 21 | #ifndef __NR_async_exec |
Zach Brown | 36ddbc0 | 2007-09-19 08:42:16 +0200 | [diff] [blame] | 22 | #define __NR_async_exec 325 |
| 23 | #define __NR_async_wait 326 |
| 24 | #define __NR_umem_add 327 |
| 25 | #define __NR_async_thread 328 |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 26 | #endif |
| 27 | |
Jens Axboe | cb25df6 | 2007-03-23 08:23:30 +0100 | [diff] [blame] | 28 | #define FIO_HUGE_PAGE 4194304 |
| 29 | |
Jens Axboe | 4667c19 | 2007-02-28 08:54:37 +0100 | [diff] [blame] | 30 | #define FIO_HAVE_SYSLET |
| 31 | |
Jens Axboe | db6defc | 2007-12-11 08:55:53 +0100 | [diff] [blame] | 32 | #define nop __asm__ __volatile__("rep;nop": : :"memory") |
Jens Axboe | 44c47fe | 2008-06-04 14:31:25 +0200 | [diff] [blame] | 33 | #define read_barrier() __asm__ __volatile__("": : :"memory") |
| 34 | #define write_barrier() __asm__ __volatile__("": : :"memory") |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 35 | |
Jens Axboe | 8f7e39d | 2008-06-01 19:45:10 +0200 | [diff] [blame] | 36 | static inline unsigned long arch_ffz(unsigned long bitmask) |
| 37 | { |
| 38 | __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask)); |
| 39 | return bitmask; |
| 40 | } |
Jens Axboe | c223da8 | 2010-03-24 13:23:53 +0100 | [diff] [blame] | 41 | |
| 42 | static inline unsigned long long get_cpu_clock(void) |
| 43 | { |
| 44 | unsigned long ret; |
| 45 | |
| 46 | __asm__ __volatile__("rdtsc" : "=A" (ret)); |
| 47 | return ret; |
| 48 | } |
| 49 | |
Jens Axboe | 8f7e39d | 2008-06-01 19:45:10 +0200 | [diff] [blame] | 50 | #define ARCH_HAVE_FFZ |
Jens Axboe | c223da8 | 2010-03-24 13:23:53 +0100 | [diff] [blame] | 51 | #define ARCH_HAVE_CPU_CLOCK |
Jens Axboe | 8f7e39d | 2008-06-01 19:45:10 +0200 | [diff] [blame] | 52 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 53 | #endif |