swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
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Tip revision: 62d0cfcb27cf755cebdc93ca95dabc83608007cd authored by Linus Torvalds on 04 February 2007, 18:44:54 UTC
Linux 2.6.20
Tip revision: 62d0cfc
cache.h
#ifndef _ASM_POWERPC_CACHE_H
#define _ASM_POWERPC_CACHE_H

#ifdef __KERNEL__


/* 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 */
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