diff options
author | James Morris <jmorris@namei.org> | 2008-08-28 10:47:34 +1000 |
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committer | James Morris <jmorris@namei.org> | 2008-08-28 10:47:34 +1000 |
commit | 86d688984deefa3ae5a802880c11f2b408b5d6cf (patch) | |
tree | 7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /arch/avr32/include/asm/bug.h | |
parent | 93c06cbbf9fea5d5be1778febb7fa9ab1a74e5f5 (diff) | |
parent | 4c246edd2550304df5b766cc841584b2bb058843 (diff) |
Merge branch 'master' into next
Diffstat (limited to 'arch/avr32/include/asm/bug.h')
-rw-r--r-- | arch/avr32/include/asm/bug.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/bug.h b/arch/avr32/include/asm/bug.h new file mode 100644 index 00000000000..331d45bab18 --- /dev/null +++ b/arch/avr32/include/asm/bug.h @@ -0,0 +1,73 @@ +/* + * 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); \ + for (;;); \ + } 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> + +#endif /* __ASM_AVR32_BUG_H */ |