traps.h 1.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142
  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * Trap handling definitions.
  4. *
  5. * Copyright (C) 2002, 2003 Maciej W. Rozycki
  6. */
  7. #ifndef _ASM_TRAPS_H
  8. #define _ASM_TRAPS_H
  9. /*
  10. * Possible status responses for a board_be_handler backend.
  11. */
  12. #define MIPS_BE_DISCARD 0 /* return with no action */
  13. #define MIPS_BE_FIXUP 1 /* return to the fixup code */
  14. #define MIPS_BE_FATAL 2 /* treat as an unrecoverable error */
  15. extern void (*board_be_init)(void);
  16. void mips_set_be_handler(int (*handler)(struct pt_regs *reg, int is_fixup));
  17. extern void (*board_nmi_handler_setup)(void);
  18. extern void (*board_ejtag_handler_setup)(void);
  19. extern void (*board_bind_eic_interrupt)(int irq, int regset);
  20. extern void (*board_ebase_setup)(void);
  21. extern void (*board_cache_error_setup)(void);
  22. extern int register_nmi_notifier(struct notifier_block *nb);
  23. extern void reserve_exception_space(phys_addr_t addr, unsigned long size);
  24. extern char except_vec_nmi[];
  25. #define VECTORSPACING 0x100 /* for EI/VI mode */
  26. #define nmi_notifier(fn, pri) \
  27. ({ \
  28. static struct notifier_block fn##_nb = { \
  29. .notifier_call = fn, \
  30. .priority = pri \
  31. }; \
  32. \
  33. register_nmi_notifier(&fn##_nb); \
  34. })
  35. #endif /* _ASM_TRAPS_H */