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