| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2001 - 2012 Tensilica Inc. |
| 7 | */ |
| 8 | |
| 9 | #ifndef _XTENSA_SYSTEM_H |
| 10 | #define _XTENSA_SYSTEM_H |
| 11 | |
| 12 | #define mb() ({ __asm__ __volatile__("memw" : : : "memory"); }) |
| 13 | #define rmb() barrier() |
| 14 | #define wmb() mb() |
| 15 | |
| 16 | #define __smp_mb__before_atomic() barrier() |
| 17 | #define __smp_mb__after_atomic() barrier() |
| 18 | |
| 19 | #include <asm-generic/barrier.h> |
| 20 | |
| 21 | #endif /* _XTENSA_SYSTEM_H */ |