Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/*
2 * linux/include/asm-arm/cacheflush.h
3 *
4 * Copyright (C) 2000-2002 Russell King
5 * Copyright (C) 2003 Ian Molton
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * ARM26 cache 'functions'
12 *
13 */
14
15#ifndef _ASMARM_CACHEFLUSH_H
16#define _ASMARM_CACHEFLUSH_H
17
18#if 1 //FIXME - BAD INCLUDES!!!
19#include <linux/sched.h>
20#include <linux/mm.h>
21#endif
22
23#define flush_cache_all() do { } while (0)
24#define flush_cache_mm(mm) do { } while (0)
25#define flush_cache_range(vma,start,end) do { } while (0)
26#define flush_cache_page(vma,vmaddr,pfn) do { } while (0)
27#define flush_cache_vmap(start, end) do { } while (0)
28#define flush_cache_vunmap(start, end) do { } while (0)
29
30#define invalidate_dcache_range(start,end) do { } while (0)
31#define clean_dcache_range(start,end) do { } while (0)
32#define flush_dcache_range(start,end) do { } while (0)
33#define flush_dcache_page(page) do { } while (0)
34#define flush_dcache_mmap_lock(mapping) do { } while (0)
35#define flush_dcache_mmap_unlock(mapping) do { } while (0)
36#define clean_dcache_entry(_s) do { } while (0)
37#define clean_cache_entry(_start) do { } while (0)
38
39#define flush_icache_user_range(start,end, bob, fred) do { } while (0)
40#define flush_icache_range(start,end) do { } while (0)
41#define flush_icache_page(vma,page) do { } while (0)
42
43#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
44 memcpy(dst, src, len)
45#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
46 memcpy(dst, src, len)
47
48/* DAG: ARM3 will flush cache on MEMC updates anyway? so don't bother */
49/* IM : Yes, it will, but only if setup to do so (we do this). */
50#define clean_cache_area(_start,_size) do { } while (0)
51
52#endif