projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f97f7f9 HS |
1 | /* |
| 2 | * Copyright (C) 2006 Atmel Corporation | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | */ | |
| 8 | #ifndef __ASM_AVR32_BUG_H | |
| 9 | #define __ASM_AVR32_BUG_H | |
| 10 | ||
| 11 | #ifdef CONFIG_BUG | |
| 12 | ||
| 13 | /* | |
| 14 | * According to our Chief Architect, this compact opcode is very | |
| 15 | * unlikely to ever be implemented. | |
| 16 | */ | |
| 17 | #define AVR32_BUG_OPCODE 0x5df0 | |
| 18 | ||
| 19 | #ifdef CONFIG_DEBUG_BUGVERBOSE | |
| 20 | ||
| 623b0355 HS |
21 | #define _BUG_OR_WARN(flags) \ |
| 22 | asm volatile( \ | |
| 23 | "1: .hword %0\n" \ | |
| 24 | " .section __bug_table,\"a\",@progbits\n" \ | |
| 25 | "2: .long 1b\n" \ | |
| 26 | " .long %1\n" \ | |
| 27 | " .short %2\n" \ | |
| 28 | " .short %3\n" \ | |
| 29 | " .org 2b + %4\n" \ | |
| 30 | " .previous" \ | |
| 31 | : \ | |
| 32 | : "i"(AVR32_BUG_OPCODE), "i"(__FILE__), \ | |
| 33 | "i"(__LINE__), "i"(flags), \ | |
| 34 | "i"(sizeof(struct bug_entry))) | |
| 5f97f7f9 HS |
35 | |
| 36 | #else | |
| 37 | ||
| 623b0355 HS |
38 | #define _BUG_OR_WARN(flags) \ |
| 39 | asm volatile( \ | |
| 40 | "1: .hword %0\n" \ | |
| 41 | " .section __bug_table,\"a\",@progbits\n" \ | |
| 42 | "2: .long 1b\n" \ | |
| 43 | " .short %1\n" \ | |
| 44 | " .org 2b + %2\n" \ | |
| 45 | " .previous" \ | |
| 46 | : \ | |
| 47 | : "i"(AVR32_BUG_OPCODE), "i"(flags), \ | |
| 48 | "i"(sizeof(struct bug_entry))) | |
| 49 | ||
| 50 | #endif /* CONFIG_DEBUG_BUGVERBOSE */ | |
| 51 | ||
| 5f97f7f9 HS |
52 | #define BUG() \ |
| 53 | do { \ | |
| 623b0355 HS |
54 | _BUG_OR_WARN(0); \ |
| 55 | for (;;); \ | |
| 5f97f7f9 HS |
56 | } while (0) |
| 57 | ||
| 623b0355 HS |
58 | #define WARN_ON(condition) \ |
| 59 | ({ \ | |
| 60 | typeof(condition) __ret_warn_on = (condition); \ | |
| 61 | if (unlikely(__ret_warn_on)) \ | |
| 62 | _BUG_OR_WARN(BUGFLAG_WARNING); \ | |
| 63 | unlikely(__ret_warn_on); \ | |
| 64 | }) | |
| 5f97f7f9 HS |
65 | |
| 66 | #define HAVE_ARCH_BUG | |
| 623b0355 | 67 | #define HAVE_ARCH_WARN_ON |
| 5f97f7f9 HS |
68 | |
| 69 | #endif /* CONFIG_BUG */ | |
| 70 | ||
| 71 | #include <asm-generic/bug.h> | |
| 72 | ||
| 73 | #endif /* __ASM_AVR32_BUG_H */ |