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 /*
11  * Possible status responses for a board_be_handler backend.
12  */
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 */
16 
17 extern void (*board_be_init)(void);
18 extern int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
19 
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);
25 
26 extern int register_nmi_notifier(struct notifier_block *nb);
27 
28 #define nmi_notifier(fn, pri)						\
29 ({									\
30 	static struct notifier_block fn##_nb = {			\
31 		.notifier_call = fn,					\
32 		.priority = pri						\
33 	};								\
34 									\
35 	register_nmi_notifier(&fn##_nb);				\
36 })
37 
38 #endif /* _ASM_TRAPS_H */
39