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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
21extern void (*board_be_init)(void);
22extern int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
23
24extern void (*board_nmi_handler_setup)(void);
25extern void (*board_ejtag_handler_setup)(void);
26extern void (*board_bind_eic_interrupt)(int irq, int regset);
27extern void (*board_ebase_setup)(void);
28extern void (*board_cache_error_setup)(void);
29
30extern int register_nmi_notifier(struct notifier_block *nb);
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 */
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 */