Commit | Line | Data |
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ebac4655 JA |
1 | #ifndef ARCH_PPC_H |
2 | #define ARCH_PPH_H | |
3 | ||
cca84643 | 4 | #define FIO_ARCH (arch_ppc) |
ebac4655 JA |
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 | ||
db6defc7 | 23 | #ifdef __powerpc64__ |
44c47feb | 24 | #define read_barrier() __asm__ __volatile__ ("lwsync" : : : "memory") |
db6defc7 | 25 | #else |
44c47feb | 26 | #define read_barrier() __asm__ __volatile__ ("sync" : : : "memory") |
db6defc7 JA |
27 | #endif |
28 | ||
44c47feb JA |
29 | #define write_barrier() __asm__ __volatile__ ("sync" : : : "memory") |
30 | ||
8f7e39dd JA |
31 | static inline int __ilog2(unsigned long bitmask) |
32 | { | |
33 | int lz; | |
34 | ||
35 | asm ("cntlzw %0,%1" : "=r" (lz) : "r" (bitmask)); | |
36 | return 31 - lz; | |
37 | } | |
38 | ||
39 | static inline int arch_ffz(unsigned long bitmask) | |
40 | { | |
41 | if ((bitmask = ~bitmask) == 0) | |
42 | return 32; | |
43 | return __ilog2(bitmask & -bitmask); | |
44 | } | |
5f39d8f7 CC |
45 | |
46 | static inline unsigned long long get_cpu_clock(void) | |
47 | { | |
2995607f JA |
48 | unsigned int tbl, tbu0, tbu1; |
49 | unsigned long long ret; | |
5f39d8f7 | 50 | |
2995607f JA |
51 | do { |
52 | __asm__ __volatile__ ("mftbu %0" : "=r"(tbu0)); | |
53 | __asm__ __volatile__ ("mftb %0" : "=r"(tbl) ); | |
54 | __asm__ __volatile__ ("mftbu %0" : "=r"(tbu1)); | |
55 | } while (tbu0 != tbu1); | |
5f39d8f7 | 56 | |
2995607f JA |
57 | ret = (((unsigned long long)tbu0) << 32) | tbl; |
58 | return ret; | |
5f39d8f7 CC |
59 | } |
60 | ||
1b745f55 JA |
61 | #define ARCH_HAVE_INIT |
62 | extern int tsc_reliable; | |
63 | static inline int arch_init(char *envp[]) | |
64 | { | |
65 | tsc_reliable = 1; | |
d20b2ca6 | 66 | return 0; |
1b745f55 JA |
67 | } |
68 | ||
8f7e39dd | 69 | #define ARCH_HAVE_FFZ |
5f39d8f7 | 70 | #define ARCH_HAVE_CPU_CLOCK |
8f7e39dd | 71 | |
ebac4655 | 72 | #endif |