1/* 2 * include/asm-sh/cpu-sh4/cacheflush.h 3 * 4 * Copyright (C) 1999 Niibe Yutaka 5 * Copyright (C) 2003 Paul Mundt 6 * 7 * This file is subject to the terms and conditions of the GNU General Public 8 * License. See the file "COPYING" in the main directory of this archive 9 * for more details. 10 */ 11#ifndef __ASM_CPU_SH4_CACHEFLUSH_H 12#define __ASM_CPU_SH4_CACHEFLUSH_H 13 14/* 15 * Caches are broken on SH-4 (unless we use write-through 16 * caching; in which case they're only semi-broken), 17 * so we need them. 18 */ 19void flush_cache_all(void); 20void flush_dcache_all(void); 21void flush_cache_mm(struct mm_struct *mm); 22#define flush_cache_dup_mm(mm) flush_cache_mm(mm) 23void flush_cache_range(struct vm_area_struct *vma, unsigned long start, 24 unsigned long end); 25void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, 26 unsigned long pfn); 27void flush_dcache_page(struct page *pg); 28 29#define flush_dcache_mmap_lock(mapping) do { } while (0) 30#define flush_dcache_mmap_unlock(mapping) do { } while (0) 31 32void flush_icache_range(unsigned long start, unsigned long end); 33void flush_cache_sigtramp(unsigned long addr); 34void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, 35 unsigned long addr, int len); 36 37#define flush_icache_page(vma,pg) do { } while (0) 38 39/* Initialization of P3 area for copy_user_page */ 40void p3_cache_init(void); 41 42#define PG_mapped PG_arch_1 43 44#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */ 45