blob: 6aa90cae11140c7ec849ba22b9e9d793cf798ee9 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
16enum wref_type {
17 wr_save = 1,
18 wr_load = 2
19};
20
21extern asmlinkage void __watch_set(unsigned long addr, enum wref_type ref);
22extern asmlinkage void __watch_clear(void);
23extern 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 */