53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2003 Microtronix Datacom Ltd.
|
||
|
|
* Copyright (C) 2000-2002 Greg Ungerer <gerg@snapgear.com>
|
||
|
|
*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
* License. See the file "COPYING" in the main directory of this archive
|
||
|
|
* for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _ASM_NIOS2_CACHEFLUSH_H
|
||
|
|
#define _ASM_NIOS2_CACHEFLUSH_H
|
||
|
|
|
||
|
|
#include <linux/mm_types.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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
|
||
|
|
|
||
|
|
struct mm_struct;
|
||
|
|
|
||
|
|
extern void flush_cache_all(void);
|
||
|
|
extern void flush_cache_mm(struct mm_struct *mm);
|
||
|
|
extern void flush_cache_dup_mm(struct mm_struct *mm);
|
||
|
|
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
|
||
|
|
unsigned long end);
|
||
|
|
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr,
|
||
|
|
unsigned long pfn);
|
||
|
|
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
|
||
|
|
extern void flush_dcache_page(struct page *page);
|
||
|
|
|
||
|
|
extern void flush_icache_range(unsigned long start, unsigned long end);
|
||
|
|
extern void flush_icache_page(struct vm_area_struct *vma, struct page *page);
|
||
|
|
|
||
|
|
#define flush_cache_vmap(start, end) flush_dcache_range(start, end)
|
||
|
|
#define flush_cache_vunmap(start, end) flush_dcache_range(start, end)
|
||
|
|
|
||
|
|
extern void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
|
||
|
|
unsigned long user_vaddr,
|
||
|
|
void *dst, void *src, int len);
|
||
|
|
extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
|
||
|
|
unsigned long user_vaddr,
|
||
|
|
void *dst, void *src, int len);
|
||
|
|
|
||
|
|
extern void flush_dcache_range(unsigned long start, unsigned long end);
|
||
|
|
extern void invalidate_dcache_range(unsigned long start, unsigned long end);
|
||
|
|
|
||
|
|
#define flush_dcache_mmap_lock(mapping) do { } while (0)
|
||
|
|
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
|
||
|
|
|
||
|
|
#endif /* _ASM_NIOS2_CACHEFLUSH_H */
|