| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [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) 1996, 1997, 1998, 2000, 2001 by Ralf Baechle |
| 7 | */ |
| 8 | #ifndef _ASM_WATCH_H |
| 9 | #define _ASM_WATCH_H |
| 10 | |
| 11 | #include <linux/linkage.h> |
| 12 | |
| 13 | /* |
| 14 | * Types of reference for watch_set() |
| 15 | */ |
| 16 | enum wref_type { |
| 17 | wr_save = 1, |
| 18 | wr_load = 2 |
| 19 | }; |
| 20 | |
| 21 | extern asmlinkage void __watch_set(unsigned long addr, enum wref_type ref); |
| 22 | extern asmlinkage void __watch_clear(void); |
| 23 | extern asmlinkage void __watch_reenable(void); |
| 24 | |
| 25 | #define watch_set(addr, ref) \ |
| 26 | if (cpu_has_watch) \ |
| 27 | __watch_set(addr, ref) |
| 28 | #define watch_clear() \ |
| 29 | if (cpu_has_watch) \ |
| 30 | __watch_clear() |
| 31 | #define watch_reenable() \ |
| 32 | if (cpu_has_watch) \ |
| 33 | __watch_reenable() |
| 34 | |
| 35 | #endif /* _ASM_WATCH_H */ |