diff options
Diffstat (limited to 'arch/mips/include/asm/traps.h')
| -rw-r--r-- | arch/mips/include/asm/traps.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h new file mode 100644 index 000000000..15cde638b --- /dev/null +++ b/arch/mips/include/asm/traps.h @@ -0,0 +1,42 @@ +/* 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); \ +}) + +#endif /* _ASM_TRAPS_H */ |