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Diffstat (limited to 'arch/avr32/include/asm/bug.h')
-rw-r--r--arch/avr32/include/asm/bug.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/bug.h b/arch/avr32/include/asm/bug.h
new file mode 100644
index 000000000..85a92d099
--- /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 */