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, 1999, 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 */ 36