Fio 1.21-rc7
[fio.git] / arch / arch-ia64.h
... / ...
CommitLineData
1#ifndef ARCH_IA64_H
2#define ARCH_IA64_H
3
4#define ARCH (arch_ia64)
5
6#ifndef __NR_ioprio_set
7#define __NR_ioprio_set 1274
8#define __NR_ioprio_get 1275
9#endif
10
11#ifndef __NR_fadvise64
12#define __NR_fadvise64 1234
13#endif
14
15#ifndef __NR_sys_splice
16#define __NR_sys_splice 1297
17#define __NR_sys_tee 1301
18#define __NR_sys_vmsplice 1302
19#endif
20
21#define nop asm volatile ("hint @pause" ::: "memory");
22#define read_barrier() asm volatile ("mf" ::: "memory")
23
24#define ia64_popcnt(x) \
25({ \
26 unsigned long ia64_intri_res; \
27 asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \
28 ia64_intri_res; \
29})
30
31static inline unsigned long arch_ffz(unsigned long bitmask)
32{
33 return ia64_popcnt(bitmask & (~bitmask - 1));
34}
35#define ARCH_HAVE_FFZ
36
37#endif