Merge branch 'jsonplus2csv' of https://github.com/vincentkfu/fio
[fio.git] / arch / arch-ia64.h
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
17 static inline unsigned long arch_ffz(unsigned long bitmask)
18 {
19         return ia64_popcnt(bitmask & (~bitmask - 1));
20 }
21
22 static 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
31 extern bool tsc_reliable;
32 static 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