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 int tsc_reliable;
32static inline int arch_init(char *envp[])
33{
34	tsc_reliable = 1;
35	return 0;
36}
37
38#define ARCH_HAVE_FFZ
39#define ARCH_HAVE_CPU_CLOCK
40
41#endif
42