| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566 | /* *  arch/arm/include/asm/cacheflush.h * *  Copyright (C) 1999-2002 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#ifndef _ASMARM_CACHEFLUSH_H#define _ASMARM_CACHEFLUSH_H#include <linux/mm.h>#include <asm/glue-cache.h>#include <asm/shmparam.h>#include <asm/cachetype.h>#include <asm/outercache.h>#define CACHE_COLOUR(vaddr)	((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)/* * This flag is used to indicate that the page pointed to by a pte is clean * and does not require cleaning before returning it to the user. */#define PG_dcache_clean PG_arch_1/* *	MM Cache Management *	=================== * *	The arch/arm/mm/cache-*.S and arch/arm/mm/proc-*.S files *	implement these methods. * *	Start addresses are inclusive and end addresses are exclusive; *	start addresses should be rounded down, end addresses up. * *	See Documentation/cachetlb.txt for more information. *	Please note that the implementation of these, and the required *	effects are cache-type (VIVT/VIPT/PIPT) specific. * *	flush_icache_all() * *		Unconditionally clean and invalidate the entire icache. *		Currently only needed for cache-v6.S and cache-v7.S, see *		__flush_icache_all for the generic implementation. * *	flush_kern_all() * *		Unconditionally clean and invalidate the entire cache. * *     flush_kern_louis() * *             Flush data cache levels up to the level of unification *             inner shareable and invalidate the I-cache. *             Only needed from v7 onwards, falls back to flush_cache_all() *             for all other processor versions. * *	flush_user_all() * *		Clean and invalidate all user space cache entries *		before a change of page tables. * *	flush_user_range(start, end, flags) * *		Clean and invalidate a range of cache entries in the
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