Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef ARCH_X86_H |
| 2 | #define ARCH_X86_H |
| 3 | |
Jens Axboe | fa80fea | 2012-12-09 20:29:00 +0100 | [diff] [blame] | 4 | #include "arch-x86-common.h" |
| 5 | |
Jens Axboe | cca8464 | 2011-10-07 12:47:57 +0200 | [diff] [blame] | 6 | #define FIO_ARCH (arch_i386) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 7 | |
| 8 | #ifndef __NR_ioprio_set |
| 9 | #define __NR_ioprio_set 289 |
| 10 | #define __NR_ioprio_get 290 |
| 11 | #endif |
| 12 | |
| 13 | #ifndef __NR_fadvise64 |
| 14 | #define __NR_fadvise64 250 |
| 15 | #endif |
| 16 | |
Jens Axboe | 8756e4d | 2006-05-27 20:24:53 +0200 | [diff] [blame] | 17 | #ifndef __NR_sys_splice |
| 18 | #define __NR_sys_splice 313 |
| 19 | #define __NR_sys_tee 315 |
| 20 | #define __NR_sys_vmsplice 316 |
| 21 | #endif |
| 22 | |
Jens Axboe | cb25df6 | 2007-03-23 08:23:30 +0100 | [diff] [blame] | 23 | #define FIO_HUGE_PAGE 4194304 |
| 24 | |
Jens Axboe | db6defc | 2007-12-11 08:55:53 +0100 | [diff] [blame] | 25 | #define nop __asm__ __volatile__("rep;nop": : :"memory") |
Jens Axboe | 44c47fe | 2008-06-04 14:31:25 +0200 | [diff] [blame] | 26 | #define read_barrier() __asm__ __volatile__("": : :"memory") |
| 27 | #define write_barrier() __asm__ __volatile__("": : :"memory") |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 28 | |
Jens Axboe | 8f7e39d | 2008-06-01 19:45:10 +0200 | [diff] [blame] | 29 | static inline unsigned long arch_ffz(unsigned long bitmask) |
| 30 | { |
| 31 | __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask)); |
| 32 | return bitmask; |
| 33 | } |
Jens Axboe | c223da8 | 2010-03-24 13:23:53 +0100 | [diff] [blame] | 34 | |
| 35 | static inline unsigned long long get_cpu_clock(void) |
| 36 | { |
Jens Axboe | 6eb9d1b | 2013-02-21 12:39:42 +0100 | [diff] [blame^] | 37 | unsigned long long ret; |
Jens Axboe | c223da8 | 2010-03-24 13:23:53 +0100 | [diff] [blame] | 38 | |
| 39 | __asm__ __volatile__("rdtsc" : "=A" (ret)); |
| 40 | return ret; |
| 41 | } |
| 42 | |
Jens Axboe | 8f7e39d | 2008-06-01 19:45:10 +0200 | [diff] [blame] | 43 | #define ARCH_HAVE_FFZ |
Jens Axboe | c223da8 | 2010-03-24 13:23:53 +0100 | [diff] [blame] | 44 | #define ARCH_HAVE_CPU_CLOCK |
Jens Axboe | 8f7e39d | 2008-06-01 19:45:10 +0200 | [diff] [blame] | 45 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 46 | #endif |