include/asm-arm26/cacheflush.h

   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