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| author |   Mike Frysinger <vapier@gentoo.org> | 2009-06-07 17:18:25 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-13 07:20:07 -0400 |
| commit | 70f12567ac9aca9c2f242ae060d7de245904889e (patch) | |
| tree | 6838a6886fbe0c932f50cf5a059ffd798c43ca1c /arch/blackfin/include/asm/bug.h | |
| parent | Blackfin: rename bfin_addr_dcachable to bfin_addr_dcacheable (diff) | |
| download | linux-dev-70f12567ac9aca9c2f242ae060d7de245904889e.tar.xz linux-dev-70f12567ac9aca9c2f242ae060d7de245904889e.zip | |
Blackfin: add support for GENERIC_BUG
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/include/asm/bug.h')
| -rw-r--r-- | arch/blackfin/include/asm/bug.h | 57 |
1 files changed, 51 insertions, 6 deletions
diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h index 6d3e11b1fc57..655e49540e41 100644 --- a/arch/blackfin/include/asm/bug.h +++ b/arch/blackfin/include/asm/bug.h @@ -2,13 +2,58 @@ #define _BLACKFIN_BUG_H #ifdef CONFIG_BUG -#define HAVE_ARCH_BUG -#define BUG() do { \ - dump_bfin_trace_buffer(); \ - printk(KERN_EMERG "BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ - panic("BUG!"); \ -} while (0) +#define BFIN_BUG_OPCODE 0xefcd + +#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); \ + 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 |