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