litmus-rt.git - The LITMUS^RT kernel.

The LITMUS^RT kernel.

Bjoern Brandenburg

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author	Len Brown <len.brown@intel.com>	2009-12-24 01:17:41 -0500
committer	Len Brown <len.brown@intel.com>	2009-12-24 01:17:41 -0500
commit	fe7fa9c51a76cf67934c2e77dc9d84800c9fbf79 (patch)
tree	a12638a4069f7af6733a47aff8460040912d9d08 /net/tipc
parent	6d3bf6818a1d5527f44681d3f763051dfb1930e4 (diff)
parent	528809c35faebd8c50a4722c85ab8610725875cc (diff)

Merge branch 'sony' into release

Diffstat (limited to 'net/tipc')

0 files changed, 0 insertions, 0 deletions

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#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) ({						\
	typeof(x) __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


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