74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
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/*
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* Copyright 2004-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef _BLACKFIN_BUG_H
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#define _BLACKFIN_BUG_H
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#ifdef CONFIG_BUG
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/*
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* This can be any undefined 16-bit opcode, meaning
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* ((opcode & 0xc000) != 0xc000)
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* Anything from 0x0001 to 0x000A (inclusive) will work
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*/
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#define BFIN_BUG_OPCODE 0x0001
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#ifdef CONFIG_DEBUG_BUGVERBOSE
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#define _BUG_OR_WARN(flags) \
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asm volatile( \
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"1: .hword %0\n" \
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" .section __bug_table,\"aw\",@progbits\n" \
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"2: .long 1b\n" \
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" .long %1\n" \
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" .short %2\n" \
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" .short %3\n" \
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" .org 2b + %4\n" \
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" .previous" \
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: \
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: "i"(BFIN_BUG_OPCODE), "i"(__FILE__), \
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"i"(__LINE__), "i"(flags), \
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"i"(sizeof(struct bug_entry)))
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#else
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#define _BUG_OR_WARN(flags) \
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asm volatile( \
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"1: .hword %0\n" \
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" .section __bug_table,\"aw\",@progbits\n" \
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"2: .long 1b\n" \
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" .short %1\n" \
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" .org 2b + %2\n" \
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" .previous" \
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: \
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: "i"(BFIN_BUG_OPCODE), "i"(flags), \
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"i"(sizeof(struct bug_entry)))
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#endif /* CONFIG_DEBUG_BUGVERBOSE */
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#define BUG() \
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do { \
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_BUG_OR_WARN(0); \
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unreachable(); \
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} while (0)
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#define WARN_ON(condition) \
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({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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_BUG_OR_WARN(BUGFLAG_WARNING); \
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unlikely(__ret_warn_on); \
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})
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#define HAVE_ARCH_BUG
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#define HAVE_ARCH_WARN_ON
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#endif
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#include <asm-generic/bug.h>
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#endif
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