Commit 3921ee21 authored by Roman Zippel's avatar Roman Zippel Committed by Linus Torvalds
Browse files

[PATCH] m68k: small flush_icache() cleanup 



Make flush_icache() an inline function and clean it up a litte.

Signed-off-by: default avatarRoman Zippel <zippel@linux-m68k.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a7b1a1a3

include/asm-m68k/cacheflush.h

+20 −20
Original line number Diff line number Diff line
@@ -3,26 +3,30 @@ 


#include <linux/mm.h>



/* cache code */

#define FLUSH_I_AND_D	(0x00000808)

#define FLUSH_I		(0x00000008)



/*

 * Cache handling functions

 */



#define flush_icache()						\

({								\

	if (CPU_IS_040_OR_060)					\

		__asm__ __volatile__("nop\n\t"			\

				     ".chip 68040\n\t"		\

				     "cinva %%ic\n\t"		\

				     ".chip 68k" : );		\

	else {							\

		unsigned long _tmp;				\

		__asm__ __volatile__("movec %%cacr,%0\n\t"	\

				     "orw %1,%0\n\t"		\

				     "movec %0,%%cacr"		\

				     : "=&d" (_tmp)		\

				     : "id" (FLUSH_I));	\

	}							\

})

static inline void flush_icache(void)

{

	if (CPU_IS_040_OR_060)

		asm volatile (	"nop\n"

			"	.chip	68040\n"

			"	cpusha	%bc\n"

			"	.chip	68k");

	else {

		unsigned long tmp;

		asm volatile (	"movec	%%cacr,%0\n"

			"	or.w	%1,%0\n"

			"	movec	%0,%%cacr"

			: "=&d" (tmp)

			: "id" (FLUSH_I));

	}

}



/*

 * invalidate the cache for the specified memory range.
@@ -43,10 +47,6 @@ extern void cache_push(unsigned long paddr, int len); 
 */

extern void cache_push_v(unsigned long vaddr, int len);



/* cache code */

#define FLUSH_I_AND_D	(0x00000808)

#define FLUSH_I		(0x00000008)



/* This is needed whenever the virtual mapping of the current

   process changes.  */

#define __flush_cache_all()					\