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-rw-r--r--arch/mips/include/asm/traps.h42
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 0000000000..15cde638b4
--- /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 */