Merge branch 'master' of https://github.com/ben-ihelputech/fio
[fio.git] / arch / arch-ia64.h
... / ...
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1#ifndef ARCH_IA64_H
2#define ARCH_IA64_H
3
4#define FIO_ARCH (arch_ia64)
5
6#define nop asm volatile ("hint @pause" ::: "memory");
7#define read_barrier() asm volatile ("mf" ::: "memory")
8#define write_barrier() asm volatile ("mf" ::: "memory")
9
10#define ia64_popcnt(x) \
11({ \
12 unsigned long ia64_intri_res; \
13 asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \
14 ia64_intri_res; \
15})
16
17static inline unsigned long arch_ffz(unsigned long bitmask)
18{
19 return ia64_popcnt(bitmask & (~bitmask - 1));
20}
21
22static inline unsigned long long get_cpu_clock(void)
23{
24 unsigned long long ret;
25
26 __asm__ __volatile__("mov %0=ar.itc" : "=r" (ret) : : "memory");
27 return ret;
28}
29
30#define ARCH_HAVE_INIT
31extern bool tsc_reliable;
32static inline int arch_init(char *envp[])
33{
34 tsc_reliable = true;
35 return 0;
36}
37
38#define ARCH_HAVE_FFZ
39#define ARCH_HAVE_CPU_CLOCK
40
41#endif