arch/mips/include/asm/traps.h

   1 /*
   2  *      Trap handling definitions.
   3  *
   4  *      Copyright (C) 2002, 2003  Maciej W. Rozycki
   5  *
   6  *      This program is free software; you can redistribute it and/or
   7  *      modify it under the terms of the GNU General Public License
   8  *      as published by the Free Software Foundation; either version
   9  *      2 of the License, or (at your option) any later version.
  10  */
  11 #ifndef _ASM_TRAPS_H
  12 #define _ASM_TRAPS_H
  13
  14 /*
  15  * Possible status responses for a board_be_handler backend.
  16  */
  17 #define MIPS_BE_DISCARD 0               /* return with no action */
  18 #define MIPS_BE_FIXUP   1               /* return to the fixup code */
  19 #define MIPS_BE_FATAL   2               /* treat as an unrecoverable error */
  20
  21 extern void (*board_be_init)(void);
  22 extern int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
  23
  24 extern void (*board_nmi_handler_setup)(void);
  25 extern void (*board_ejtag_handler_setup)(void);
  26 extern void (*board_bind_eic_interrupt)(int irq, int regset);
  27 extern void (*board_ebase_setup)(void);
  28
  29 extern int register_nmi_notifier(struct notifier_block *nb);
  30
  31 #define nmi_notifier(fn, pri)                                           \
  32 ({                                                                      \
  33         static struct notifier_block fn##_nb = {                        \
  34                 .notifier_call = fn,                                    \
  35                 .priority = pri                                         \
  36         };                                                              \
  37                                                                         \
  38         register_nmi_notifier(&fn##_nb);                                \
  39 })
  40
  41 #endif /* _ASM_TRAPS_H */