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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);
void mips_set_be_handler(int (*handler)(struct pt_regs *reg, 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); \
})
asmlinkage void do_ade(struct pt_regs *regs);
asmlinkage void do_be(struct pt_regs *regs);
asmlinkage void do_ov(struct pt_regs *regs);
asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31);
asmlinkage void do_bp(struct pt_regs *regs);
asmlinkage void do_tr(struct pt_regs *regs);
asmlinkage void do_ri(struct pt_regs *regs);
asmlinkage void do_cpu(struct pt_regs *regs);
asmlinkage void do_msa_fpe(struct pt_regs *regs, unsigned int msacsr);
asmlinkage void do_msa(struct pt_regs *regs);
asmlinkage void do_mdmx(struct pt_regs *regs);
asmlinkage void do_watch(struct pt_regs *regs);
asmlinkage void do_mcheck(struct pt_regs *regs);
asmlinkage void do_mt(struct pt_regs *regs);
asmlinkage void do_dsp(struct pt_regs *regs);
asmlinkage void do_reserved(struct pt_regs *regs);
asmlinkage void do_ftlb(void);
asmlinkage void do_gsexc(struct pt_regs *regs, u32 diag1);
asmlinkage void do_daddi_ov(struct pt_regs *regs);
asmlinkage void do_page_fault(struct pt_regs *regs,
unsigned long write, unsigned long address);
asmlinkage void cache_parity_error(void);
asmlinkage void ejtag_exception_handler(struct pt_regs *regs);
asmlinkage void __noreturn nmi_exception_handler(struct pt_regs *regs);
#endif /* _ASM_TRAPS_H */
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