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Commit a8053854 authored by Leonid Yegoshin's avatar Leonid Yegoshin Committed by Ralf Baechle
Browse files

MIPS: asm: r4kcache: Add protected cache operation for EVA 



Signed-off-by: default avatarLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
parent 41e62b04

arch/mips/include/asm/r4kcache.h

+18 −0
Original line number Original line Diff line number Diff line
@@ -212,6 +212,20 @@ static inline void flush_scache_line(unsigned long addr) 
	:							\

	:							\

	: "i" (op), "r" (addr))

	: "i" (op), "r" (addr))





#define protected_cachee_op(op,addr)				\

	__asm__ __volatile__(					\

	"	.set	push			\n"		\

	"	.set	noreorder		\n"		\

	"	.set	mips0			\n"		\

	"	.set	eva			\n"		\

	"1:	cachee	%0, (%1)		\n"		\

	"2:	.set	pop			\n"		\

	"	.section __ex_table,\"a\"	\n"		\

	"	"STR(PTR)" 1b, 2b		\n"		\

	"	.previous"					\

	:							\

	: "i" (op), "r" (addr))



/*

/*

 * The next two are for badland addresses like signal trampolines.

 * The next two are for badland addresses like signal trampolines.

 */

 */
@@ -223,7 +237,11 @@ static inline void protected_flush_icache_line(unsigned long addr) 
		break;

		break;





	default:

	default:

#ifdef CONFIG_EVA

		protected_cachee_op(Hit_Invalidate_I, addr);

#else

		protected_cache_op(Hit_Invalidate_I, addr);

		protected_cache_op(Hit_Invalidate_I, addr);

#endif

		break;

		break;

	}

	}

}

}