[deliverable/linux.git] / arch / cris / include / asm / barrier.h

#ifndef __ASM_CRIS_BARRIER_H
#define __ASM_CRIS_BARRIER_H

#define nop() __asm__ __volatile__ ("nop");

#define barrier() __asm__ __volatile__("": : :"memory")
#define mb() barrier()
#define rmb() mb()
#define wmb() mb()
#define read_barrier_depends() do { } while(0)
#define set_mb(var, value)  do { var = value; mb(); } while (0)

#ifdef CONFIG_SMP
#define smp_mb()        mb()
#define smp_rmb()       rmb()
#define smp_wmb()       wmb()
#define smp_read_barrier_depends()     read_barrier_depends()
#else
#define smp_mb()        barrier()
#define smp_rmb()       barrier()
#define smp_wmb()       barrier()
#define smp_read_barrier_depends()     do { } while(0)
#endif

#endif /* __ASM_CRIS_BARRIER_H */
Commit	Line	Data
b1a154db DH	1	#ifndef __ASM_CRIS_BARRIER_H
	2	#define __ASM_CRIS_BARRIER_H
	3
	4	#define nop() __asm__ __volatile__ ("nop");
	5
	6	#define barrier() __asm__ __volatile__("": : :"memory")
	7	#define mb() barrier()
	8	#define rmb() mb()
	9	#define wmb() mb()
	10	#define read_barrier_depends() do { } while(0)
	11	#define set_mb(var, value) do { var = value; mb(); } while (0)
	12
	13	#ifdef CONFIG_SMP
	14	#define smp_mb() mb()
	15	#define smp_rmb() rmb()
	16	#define smp_wmb() wmb()
	17	#define smp_read_barrier_depends() read_barrier_depends()
	18	#else
	19	#define smp_mb() barrier()
	20	#define smp_rmb() barrier()
	21	#define smp_wmb() barrier()
	22	#define smp_read_barrier_depends() do { } while(0)
	23	#endif
	24
	25	#endif /* __ASM_CRIS_BARRIER_H */