#ifndef _PPC_BUG_H
#define _PPC_BUG_H

struct bug_entry {
	unsigned long	bug_addr;
	int		line;
	const char	*file;
	const char	*function;
};

/*
 * If this bit is set in the line number it means that the trap
 * is for WARN_ON rather than BUG or BUG_ON.
 */
#define BUG_WARNING_TRAP	0x1000000

#define BUG() do {							 \
	__asm__ __volatile__(						 \
		"1:	twi 31,0,0\n"					 \
		".section __bug_table,\"a\"\n\t"			 \
		"	.long 1b,%0,%1,%2\n"				 \
		".previous"						 \
		: : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
} while (0)

#define BUG_ON(x) do {						\
	__asm__ __volatile__(					\
		"1:	twnei %0,0\n"				\
		".section __bug_table,\"a\"\n\t"		\
		"	.long 1b,%1,%2,%3\n"			\
		".previous"					\
		: : "r" (x), "i" (__LINE__), "i" (__FILE__),	\
		    "i" (__FUNCTION__));			\
} while (0)

#define PAGE_BUG(page) do { BUG(); } while (0)

#define WARN_ON(x) do {						\
	__asm__ __volatile__(					\
		"1:	twnei %0,0\n"				\
		".section __bug_table,\"a\"\n\t"		\
		"	.long 1b,%1,%2,%3\n"			\
		".previous"					\
		: : "r" (x), "i" (__LINE__ + BUG_WARNING_TRAP),	\
		    "i" (__FILE__), "i" (__FUNCTION__));	\
} while (0)

#endif
