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 */
26