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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/mips/include/asm/traps.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-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 000000000..f41cf3ee8
--- /dev/null
+++ b/arch/mips/include/asm/traps.h
@@ -0,0 +1,42 @@
+/*
+ * Trap handling definitions.
+ *
+ * Copyright (C) 2002, 2003 Maciej W. Rozycki
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#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);
+
+#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 */