[disktools.git] / arch-ia64.h

#ifndef ARCH_IA64_H
#define ARCH_IA64_H

#define ARCH	(arch_ia64)

#ifndef __NR_ioprio_set
#define __NR_ioprio_set		1274
#define __NR_ioprio_get		1275
#endif

#ifndef __NR_fadvise64
#define __NR_fadvise64		1234
#endif

#define nop	asm volatile ("hint @pause" ::: "memory");

#define ia64_popcnt(x)							\
({									\
	unsigned long ia64_intri_res;					\
	asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x));		\
	ia64_intri_res;							\
})

static inline unsigned long ffz(unsigned long bitmask)
{
	return ia64_popcnt(bitmask & (~bitmask - 1));
}

#endif
Commit	Line	Data
3782a8cd JA	1	#ifndef ARCH_IA64_H
	2	#define ARCH_IA64_H
	3
5fe27a7b	4	#define ARCH (arch_ia64)
6b2a251b	5
3782a8cd JA	6	#ifndef __NR_ioprio_set
	7	#define __NR_ioprio_set 1274
	8	#define __NR_ioprio_get 1275
	9	#endif
	10
	11	#ifndef __NR_fadvise64
	12	#define __NR_fadvise64 1234
	13	#endif
	14
	15	#define nop asm volatile ("hint @pause" ::: "memory");
	16
	17	#define ia64_popcnt(x) \
	18	({ \
	19	unsigned long ia64_intri_res; \
	20	asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \
	21	ia64_intri_res; \
	22	})
	23
	24	static inline unsigned long ffz(unsigned long bitmask)
	25	{
	26	return ia64_popcnt(bitmask & (~bitmask - 1));
	27	}
	28
	29	#endif