From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/avr32/include/asm/bug.h | 78 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 arch/avr32/include/asm/bug.h

(limited to 'arch/avr32/include/asm/bug.h')

diff --git a/arch/avr32/include/asm/bug.h b/arch/avr32/include/asm/bug.h
new file mode 100644
index 00000000..85a92d09
--- /dev/null
+++ b/arch/avr32/include/asm/bug.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_BUG_H
+#define __ASM_AVR32_BUG_H
+
+#ifdef CONFIG_BUG
+
+/*
+ * According to our Chief Architect, this compact opcode is very
+ * unlikely to ever be implemented.
+ */
+#define AVR32_BUG_OPCODE	0x5df0
+
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+
+#define _BUG_OR_WARN(flags)						\
+	asm volatile(							\
+		"1:	.hword	%0\n"					\
+		"	.section __bug_table,\"a\",@progbits\n"		\
+		"2:	.long	1b\n"					\
+		"	.long	%1\n"					\
+		"	.short	%2\n"					\
+		"	.short	%3\n"					\
+		"	.org	2b + %4\n"				\
+		"	.previous"					\
+		:							\
+		: "i"(AVR32_BUG_OPCODE), "i"(__FILE__),			\
+		  "i"(__LINE__), "i"(flags),				\
+		  "i"(sizeof(struct bug_entry)))
+
+#else
+
+#define _BUG_OR_WARN(flags)						\
+	asm volatile(							\
+		"1:	.hword	%0\n"					\
+		"	.section __bug_table,\"a\",@progbits\n"		\
+		"2:	.long	1b\n"					\
+		"	.short	%1\n"					\
+		"	.org	2b + %2\n"				\
+		"	.previous"					\
+		:							\
+		: "i"(AVR32_BUG_OPCODE), "i"(flags),			\
+		  "i"(sizeof(struct bug_entry)))
+
+#endif /* CONFIG_DEBUG_BUGVERBOSE */
+
+#define BUG()								\
+	do {								\
+		_BUG_OR_WARN(0);					\
+		unreachable();						\
+	} while (0)
+
+#define WARN_ON(condition)							\
+	({								\
+		int __ret_warn_on = !!(condition);			\
+		if (unlikely(__ret_warn_on))				\
+			_BUG_OR_WARN(BUGFLAG_WARNING);			\
+		unlikely(__ret_warn_on);				\
+	})
+
+#define HAVE_ARCH_BUG
+#define HAVE_ARCH_WARN_ON
+
+#endif /* CONFIG_BUG */
+
+#include <asm-generic/bug.h>
+
+struct pt_regs;
+void die(const char *str, struct pt_regs *regs, long err);
+void _exception(long signr, struct pt_regs *regs, int code,
+		unsigned long addr);
+
+#endif /* __ASM_AVR32_BUG_H */
-- 
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