/*
* 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 */