linux-sg2042/include/asm-mips/watch.h

36 lines
841 B
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996, 1997, 1998, 2000, 2001 by Ralf Baechle
*/
#ifndef _ASM_WATCH_H
#define _ASM_WATCH_H
#include <linux/linkage.h>
/*
* Types of reference for watch_set()
*/
enum wref_type {
wr_save = 1,
wr_load = 2
};
extern asmlinkage void __watch_set(unsigned long addr, enum wref_type ref);
extern asmlinkage void __watch_clear(void);
extern asmlinkage void __watch_reenable(void);
#define watch_set(addr, ref) \
if (cpu_has_watch) \
__watch_set(addr, ref)
#define watch_clear() \
if (cpu_has_watch) \
__watch_clear()
#define watch_reenable() \
if (cpu_has_watch) \
__watch_reenable()
#endif /* _ASM_WATCH_H */