LXR linux-old/include/asm-mips64/watch.h

   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 */
  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  */
  36