Commit | Line | Data |
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ebac4655 JA |
1 | #ifndef ARCH_PPC_H |
2 | #define ARCH_PPH_H | |
3 | ||
4 | #define ARCH (arch_ppc) | |
5 | ||
6 | #ifndef __NR_ioprio_set | |
7 | #define __NR_ioprio_set 273 | |
8 | #define __NR_ioprio_get 274 | |
9 | #endif | |
10 | ||
11 | #ifndef __NR_fadvise64 | |
12 | #define __NR_fadvise64 233 | |
13 | #endif | |
14 | ||
8756e4d4 JA |
15 | #ifndef __NR_sys_splice |
16 | #define __NR_sys_splice 283 | |
17 | #define __NR_sys_tee 284 | |
18 | #define __NR_sys_vmsplice 285 | |
19 | #endif | |
20 | ||
ebac4655 JA |
21 | #define nop do { } while (0) |
22 | ||
23 | static inline int __ilog2(unsigned long bitmask) | |
24 | { | |
25 | int lz; | |
26 | ||
27 | asm ("cntlzw %0,%1" : "=r" (lz) : "r" (bitmask)); | |
28 | return 31 - lz; | |
29 | } | |
30 | ||
b12ebc65 | 31 | static inline int fio_ffz(unsigned long bitmask) |
ebac4655 JA |
32 | { |
33 | if ((bitmask = ~bitmask) == 0) | |
34 | return 32; | |
35 | return __ilog2(bitmask & -bitmask); | |
36 | } | |
37 | ||
38 | #endif |