/* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $ * * include/asm-sh/cache.h * * Copyright 1999 (C) Niibe Yutaka * Copyright 2002, 2003 (C) Paul Mundt */ #ifndef __ASM_SH_CACHE_H #define __ASM_SH_CACHE_H #ifdef __KERNEL__ #include <asm/cpu/cache.h> #include <asm/cpu/cacheflush.h> #define SH_CACHE_VALID 1 #define SH_CACHE_UPDATED 2 #define SH_CACHE_COMBINED 4 #define SH_CACHE_ASSOC 8 #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) #define SMP_CACHE_BYTES L1_CACHE_BYTES #define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)) #define L1_CACHE_SHIFT_MAX 5 /* largest L1 which this arch supports */ struct cache_info { unsigned int ways; unsigned int sets; unsigned int linesz; unsigned int way_incr; unsigned int entry_shift; unsigned int entry_mask; unsigned long flags; }; /* Flush (write-back only) a region (smaller than a page) */ extern void __flush_wback_region(void *start, int size); /* Flush (write-back & invalidate) a region (smaller than a page) */ extern void __flush_purge_region(void *start, int size); /* Flush (invalidate only) a region (smaller than a page) */ extern void __flush_invalidate_region(void *start, int size); #endif /* __KERNEL__ */ #endif /* __ASM_SH_CACHE_H */