diff options
Diffstat (limited to 'include/asm-sh/cache.h')
| -rw-r--r-- | include/asm-sh/cache.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-sh/cache.h b/include/asm-sh/cache.h new file mode 100644 index 000000000000..9b4dd6d8212e --- /dev/null +++ b/include/asm-sh/cache.h @@ -0,0 +1,48 @@ +/* $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 */ |