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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_BUG_H
#define _BLACKFIN_BUG_H
#ifdef CONFIG_BUG
/*
* This can be any undefined 16-bit opcode, meaning
* ((opcode & 0xc000) != 0xc000)
* Anything from 0x0001 to 0x000A (inclusive) will work
*/
#define BFIN_BUG_OPCODE 0x0001
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _BUG_OR_WARN(flags) \
asm volatile( \
"1: .hword %0\n" \
" .section __bug_table,\"aw\",@progbits\n" \
"2: .long 1b\n" \
" .long %1\n" \
" .short %2\n" \
" .short %3\n" \
" .org 2b + %4\n" \
" .previous" \
: \
: "i"(BFIN_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,\"aw\",@progbits\n" \
"2: .long 1b\n" \
" .short %1\n" \
" .org 2b + %2\n" \
" .previous" \
: \
: "i"(BFIN_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
#include <asm-generic/bug.h>
#endif
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