Release 4.14 arch/blackfin/include/asm/bug.h

/*
 * 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
Overall Contributors
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Mike Frysinger
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2
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Bryan Wu
11
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1
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Robin Getz
3
4.55%
2
28.57%
Josh Poimboeuf
2
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1
14.29%
David Daney
1
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Total
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7
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Directory: arch/blackfin/include/asm

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