diff options
| author | Kyle McMartin <kyle@mcmartin.ca> | 2008-07-28 23:02:13 -0400 |
|---|---|---|
| committer | Kyle McMartin <kyle@hera.kernel.org> | 2008-10-10 16:32:29 +0000 |
| commit | deae26bf6a10e47983606f5df080b91e97650ead (patch) | |
| tree | 84a8a68145d0f713d7c5a1f9e6b3b03be9b3a4c8 /arch/parisc/include/asm/bug.h | |
| parent | 6c86cb8237bf08443806089130dc108051569a93 (diff) | |
parisc: move include/asm-parisc to arch/parisc/include/asm
Diffstat (limited to 'arch/parisc/include/asm/bug.h')
| -rw-r--r-- | arch/parisc/include/asm/bug.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h new file mode 100644 index 00000000000..8cfc553fc83 --- /dev/null +++ b/arch/parisc/include/asm/bug.h @@ -0,0 +1,92 @@ +#ifndef _PARISC_BUG_H +#define _PARISC_BUG_H + +/* + * Tell the user there is some problem. + * The offending file and line are encoded in the __bug_table section. + */ + +#ifdef CONFIG_BUG +#define HAVE_ARCH_BUG +#define HAVE_ARCH_WARN_ON + +/* the break instruction is used as BUG() marker. */ +#define PARISC_BUG_BREAK_ASM "break 0x1f, 0x1fff" +#define PARISC_BUG_BREAK_INSN 0x03ffe01f /* PARISC_BUG_BREAK_ASM */ + +#if defined(CONFIG_64BIT) +#define ASM_WORD_INSN ".dword\t" +#else +#define ASM_WORD_INSN ".word\t" +#endif + +#ifdef CONFIG_DEBUG_BUGVERBOSE +#define BUG() \ + do { \ + asm volatile("\n" \ + "1:\t" PARISC_BUG_BREAK_ASM "\n" \ + "\t.pushsection __bug_table,\"a\"\n" \ + "2:\t" ASM_WORD_INSN "1b, %c0\n" \ + "\t.short %c1, %c2\n" \ + "\t.org 2b+%c3\n" \ + "\t.popsection" \ + : : "i" (__FILE__), "i" (__LINE__), \ + "i" (0), "i" (sizeof(struct bug_entry)) ); \ + for(;;) ; \ + } while(0) + +#else +#define BUG() \ + do { \ + asm volatile(PARISC_BUG_BREAK_ASM : : ); \ + for(;;) ; \ + } while(0) +#endif + +#ifdef CONFIG_DEBUG_BUGVERBOSE +#define __WARN() \ + do { \ + asm volatile("\n" \ + "1:\t" PARISC_BUG_BREAK_ASM "\n" \ + "\t.pushsection __bug_table,\"a\"\n" \ + "2:\t" ASM_WORD_INSN "1b, %c0\n" \ + "\t.short %c1, %c2\n" \ + "\t.org 2b+%c3\n" \ + "\t.popsection" \ + : : "i" (__FILE__), "i" (__LINE__), \ + "i" (BUGFLAG_WARNING), \ + "i" (sizeof(struct bug_entry)) ); \ + } while(0) +#else +#define __WARN() \ + do { \ + asm volatile("\n" \ + "1:\t" PARISC_BUG_BREAK_ASM "\n" \ + "\t.pushsection __bug_table,\"a\"\n" \ + "2:\t" ASM_WORD_INSN "1b\n" \ + "\t.short %c0\n" \ + "\t.org 2b+%c1\n" \ + "\t.popsection" \ + : : "i" (BUGFLAG_WARNING), \ + "i" (sizeof(struct bug_entry)) ); \ + } while(0) +#endif + + +#define WARN_ON(x) ({ \ + int __ret_warn_on = !!(x); \ + if (__builtin_constant_p(__ret_warn_on)) { \ + if (__ret_warn_on) \ + __WARN(); \ + } else { \ + if (unlikely(__ret_warn_on)) \ + __WARN(); \ + } \ + unlikely(__ret_warn_on); \ +}) + +#endif + +#include <asm-generic/bug.h> +#endif + |