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C/C++ Source or Header  |  2008-12-24  |  799 b   |  33 lines
  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) 2008 David Daney
  7.  */
  8. #ifndef _ASM_WATCH_H
  9. #define _ASM_WATCH_H
  10.  
  11. #include <linux/bitops.h>
  12.  
  13. #include <asm/mipsregs.h>
  14.  
  15. void mips_install_watch_registers(void);
  16. void mips_read_watch_registers(void);
  17. void mips_clear_watch_registers(void);
  18. void mips_probe_watch_registers(struct cpuinfo_mips *c);
  19.  
  20. #ifdef CONFIG_HARDWARE_WATCHPOINTS
  21. #define __restore_watch() do {                        \
  22.     if (unlikely(test_bit(TIF_LOAD_WATCH,                \
  23.                   ¤t_thread_info()->flags))) {    \
  24.         mips_install_watch_registers();                \
  25.     }                                \
  26. } while (0)
  27.  
  28. #else
  29. #define __restore_watch() do {} while (0)
  30. #endif
  31.  
  32. #endif /* _ASM_WATCH_H */
  33.