Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 1 | #ifndef _BLACKFIN_BUG_H |
| 2 | #define _BLACKFIN_BUG_H |
Mike Frysinger | 2d19123 | 2008-04-24 08:58:44 +0800 | [diff] [blame] | 3 | |
| 4 | #ifdef CONFIG_BUG |
Mike Frysinger | 2d19123 | 2008-04-24 08:58:44 +0800 | [diff] [blame] | 5 | |
Mike Frysinger | 70f1256 | 2009-06-07 17:18:25 -0400 | [diff] [blame] | 6 | #define BFIN_BUG_OPCODE 0xefcd |
| 7 | |
| 8 | #ifdef CONFIG_DEBUG_BUGVERBOSE |
| 9 | |
| 10 | #define _BUG_OR_WARN(flags) \ |
| 11 | asm volatile( \ |
| 12 | "1: .hword %0\n" \ |
| 13 | " .section __bug_table,\"a\",@progbits\n" \ |
| 14 | "2: .long 1b\n" \ |
| 15 | " .long %1\n" \ |
| 16 | " .short %2\n" \ |
| 17 | " .short %3\n" \ |
| 18 | " .org 2b + %4\n" \ |
| 19 | " .previous" \ |
| 20 | : \ |
| 21 | : "i"(BFIN_BUG_OPCODE), "i"(__FILE__), \ |
| 22 | "i"(__LINE__), "i"(flags), \ |
| 23 | "i"(sizeof(struct bug_entry))) |
| 24 | |
| 25 | #else |
| 26 | |
| 27 | #define _BUG_OR_WARN(flags) \ |
| 28 | asm volatile( \ |
| 29 | "1: .hword %0\n" \ |
| 30 | " .section __bug_table,\"a\",@progbits\n" \ |
| 31 | "2: .long 1b\n" \ |
| 32 | " .short %1\n" \ |
| 33 | " .org 2b + %2\n" \ |
| 34 | " .previous" \ |
| 35 | : \ |
| 36 | : "i"(BFIN_BUG_OPCODE), "i"(flags), \ |
| 37 | "i"(sizeof(struct bug_entry))) |
| 38 | |
| 39 | #endif /* CONFIG_DEBUG_BUGVERBOSE */ |
| 40 | |
| 41 | #define BUG() \ |
| 42 | do { \ |
| 43 | _BUG_OR_WARN(0); \ |
| 44 | for (;;); \ |
| 45 | } while (0) |
| 46 | |
| 47 | #define WARN_ON(condition) \ |
| 48 | ({ \ |
| 49 | int __ret_warn_on = !!(condition); \ |
| 50 | if (unlikely(__ret_warn_on)) \ |
| 51 | _BUG_OR_WARN(BUGFLAG_WARNING); \ |
| 52 | unlikely(__ret_warn_on); \ |
| 53 | }) |
| 54 | |
| 55 | #define HAVE_ARCH_BUG |
| 56 | #define HAVE_ARCH_WARN_ON |
Mike Frysinger | 2d19123 | 2008-04-24 08:58:44 +0800 | [diff] [blame] | 57 | |
| 58 | #endif |
| 59 | |
Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 60 | #include <asm-generic/bug.h> |
Mike Frysinger | 2d19123 | 2008-04-24 08:58:44 +0800 | [diff] [blame] | 61 | |
Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 62 | #endif |