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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,\"a\",@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,\"a\",@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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