| #define nop() asm volatile ("nop"::) |
| * Force strict CPU ordering. |
| * Not really required on H8... |
| #define mb() asm volatile ("" : : :"memory") |
| #define rmb() asm volatile ("" : : :"memory") |
| #define wmb() asm volatile ("" : : :"memory") |
| #define set_mb(var, value) do { xchg(&var, value); } while (0) |
| #define smp_read_barrier_depends() read_barrier_depends() |
| #define smp_mb() barrier() |
| #define smp_rmb() barrier() |
| #define smp_wmb() barrier() |
| #define smp_read_barrier_depends() do { } while(0) |
| #endif /* _H8300_BARRIER_H */ |