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
17extern void (*board_be_init)(void);
18extern int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
19
20extern void (*board_nmi_handler_setup)(void);
21extern void (*board_ejtag_handler_setup)(void);
22extern void (*board_bind_eic_interrupt)(int irq, int regset);
23extern void (*board_ebase_setup)(void);
24extern void (*board_cache_error_setup)(void);
25
26extern 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 */

 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
17extern void (*board_be_init)(void);
18void mips_set_be_handler(int (*handler)(struct pt_regs *reg, int is_fixup));
19
20extern void (*board_nmi_handler_setup)(void);
21extern void (*board_ejtag_handler_setup)(void);
22extern void (*board_bind_eic_interrupt)(int irq, int regset);
23extern void (*board_ebase_setup)(void);
24extern void (*board_cache_error_setup)(void);
25
26extern int register_nmi_notifier(struct notifier_block *nb);
27extern void reserve_exception_space(phys_addr_t addr, unsigned long size);
28extern char except_vec_nmi[];
29
30#define VECTORSPACING 0x100	/* for EI/VI mode */
31
32#define nmi_notifier(fn, pri)						\
33({									\
34	static struct notifier_block fn##_nb = {			\
35		.notifier_call = fn,					\
36		.priority = pri						\
37	};								\
38									\
39	register_nmi_notifier(&fn##_nb);				\
40})
41
42#endif /* _ASM_TRAPS_H */