43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Trap handling definitions.
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*
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* Copyright (C) 2002, 2003 Maciej W. Rozycki
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*/
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#ifndef _ASM_TRAPS_H
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#define _ASM_TRAPS_H
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/*
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* Possible status responses for a board_be_handler backend.
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*/
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#define MIPS_BE_DISCARD 0 /* return with no action */
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#define MIPS_BE_FIXUP 1 /* return to the fixup code */
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#define MIPS_BE_FATAL 2 /* treat as an unrecoverable error */
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extern void (*board_be_init)(void);
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void mips_set_be_handler(int (*handler)(struct pt_regs *reg, int is_fixup));
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extern void (*board_nmi_handler_setup)(void);
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extern void (*board_ejtag_handler_setup)(void);
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extern void (*board_bind_eic_interrupt)(int irq, int regset);
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extern void (*board_ebase_setup)(void);
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extern void (*board_cache_error_setup)(void);
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extern int register_nmi_notifier(struct notifier_block *nb);
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extern void reserve_exception_space(phys_addr_t addr, unsigned long size);
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extern char except_vec_nmi[];
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#define VECTORSPACING 0x100 /* for EI/VI mode */
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#define nmi_notifier(fn, pri) \
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({ \
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static struct notifier_block fn##_nb = { \
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.notifier_call = fn, \
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.priority = pri \
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}; \
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\
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register_nmi_notifier(&fn##_nb); \
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})
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#endif /* _ASM_TRAPS_H */
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