[deliverable/linux.git] / include / asm-ppc64 / cache.h

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#ifndef __ARCH_PPC64_CACHE_H
#define __ARCH_PPC64_CACHE_H

#include <asm/types.h>

/* bytes per L1 cache line */
#define L1_CACHE_SHIFT	7
#define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)

#define SMP_CACHE_BYTES L1_CACHE_BYTES
#define L1_CACHE_SHIFT_MAX 7	/* largest L1 which this arch supports */

#ifndef __ASSEMBLY__

struct ppc64_caches {
	u32	dsize;			/* L1 d-cache size */
	u32	dline_size;		/* L1 d-cache line size	*/
	u32	log_dline_size;
	u32	dlines_per_page;
	u32	isize;			/* L1 i-cache size */
	u32	iline_size;		/* L1 i-cache line size	*/
	u32	log_iline_size;
	u32	ilines_per_page;
};

extern struct ppc64_caches ppc64_caches;

#endif

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This program is free software; you can redistribute it and/or
	3	* modify it under the terms of the GNU General Public License
	4	* as published by the Free Software Foundation; either version
	5	* 2 of the License, or (at your option) any later version.
	6	*/
	7	#ifndef __ARCH_PPC64_CACHE_H
	8	#define __ARCH_PPC64_CACHE_H
	9
	10	#include <asm/types.h>
	11
	12	/* bytes per L1 cache line */
	13	#define L1_CACHE_SHIFT 7
	14	#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
	15
	16	#define SMP_CACHE_BYTES L1_CACHE_BYTES
	17	#define L1_CACHE_SHIFT_MAX 7 /* largest L1 which this arch supports */
	18
	19	#ifndef __ASSEMBLY__
	20
	21	struct ppc64_caches {
	22	u32 dsize; /* L1 d-cache size */
	23	u32 dline_size; /* L1 d-cache line size */
	24	u32 log_dline_size;
	25	u32 dlines_per_page;
	26	u32 isize; /* L1 i-cache size */
	27	u32 iline_size; /* L1 i-cache line size */
	28	u32 log_iline_size;
	29	u32 ilines_per_page;
	30	};
	31
	32	extern struct ppc64_caches ppc64_caches;
	33
	34	#endif
	35
	36	#endif