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File: [Development] / linux-2.6-xfs / include / asm-powerpc / Attic / cache.h (download)

Revision 1.2, Wed Jan 25 00:04:14 2006 UTC (11 years, 8 months ago) by cattelan
Branch: MAIN
Changes since 1.1: +0 -1 lines 

Merge up to 2.6.16-rc1

#ifndef _ASM_POWERPC_CACHE_H
#define _ASM_POWERPC_CACHE_H

#ifdef __KERNEL__

#include <linux/config.h>

/* bytes per L1 cache line */
#if defined(CONFIG_8xx) || defined(CONFIG_403GCX)
#define L1_CACHE_SHIFT		4
#define MAX_COPY_PREFETCH	1
#elif defined(CONFIG_PPC32)
#define L1_CACHE_SHIFT		5
#define MAX_COPY_PREFETCH	4
#else /* CONFIG_PPC64 */
#define L1_CACHE_SHIFT		7
#endif

#define	L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)

#define	SMP_CACHE_BYTES		L1_CACHE_BYTES

#if defined(__powerpc64__) && !defined(__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 /* __powerpc64__ && ! __ASSEMBLY__ */

#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_CACHE_H */