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/*
 * 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) \
	spin_lock_irq(&(mapping)->tree_lock)
#define flush_dcache_mmap_unlock(mapping) \
	spin_unlock_irq(&(mapping)->tree_lock)

#endif /* _ASM_NIOS2_CACHEFLUSH_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 958 B 0644
asm-macros.h File 6.71 KB 0644
asm-offsets.h File 813 B 0644
cache.h File 1.14 KB 0644
cacheflush.h File 1.91 KB 0644
checksum.h File 2.03 KB 0644
cpuinfo.h File 1.42 KB 0644
delay.h File 547 B 0644
dma-mapping.h File 547 B 0644
elf.h File 3.2 KB 0644
entry.h File 2.6 KB 0644
io.h File 1.72 KB 0644
irq.h File 907 B 0644
irqflags.h File 1.75 KB 0644
kgdb.h File 1.88 KB 0644
linkage.h File 809 B 0644
mmu.h File 445 B 0644
mmu_context.h File 1.69 KB 0644
page.h File 3.08 KB 0644
pgalloc.h File 1.86 KB 0644
pgtable-bits.h File 1.05 KB 0644
pgtable.h File 7.99 KB 0644
processor.h File 2.18 KB 0644
ptrace.h File 2.29 KB 0644
registers.h File 2.15 KB 0644
setup.h File 1.04 KB 0644
shmparam.h File 804 B 0644
string.h File 618 B 0644
switch_to.h File 866 B 0644
syscall.h File 2.6 KB 0644
syscalls.h File 883 B 0644
thread_info.h File 3.37 KB 0644
timex.h File 912 B 0644
tlb.h File 963 B 0644
tlbflush.h File 1.56 KB 0644
traps.h File 514 B 0644
uaccess.h File 5.18 KB 0644