projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 */ |