| David Howells | c40d04d | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 Atmark Techno, Inc. |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | */ |
| 8 | |
| 9 | #ifndef _ASM_MICROBLAZE_BARRIER_H |
| 10 | #define _ASM_MICROBLAZE_BARRIER_H |
| 11 | |
| 12 | #define nop() asm volatile ("nop") |
| 13 | |
| 14 | #define smp_read_barrier_depends() do {} while (0) |
| 15 | #define read_barrier_depends() do {} while (0) |
| 16 | |
| 17 | #define mb() barrier() |
| 18 | #define rmb() mb() |
| 19 | #define wmb() mb() |
| 20 | #define set_mb(var, value) do { var = value; mb(); } while (0) |
| 21 | #define set_wmb(var, value) do { var = value; wmb(); } while (0) |
| 22 | |
| 23 | #define smp_mb() mb() |
| 24 | #define smp_rmb() rmb() |
| 25 | #define smp_wmb() wmb() |
| 26 | |
| 27 | #endif /* _ASM_MICROBLAZE_BARRIER_H */ |