cacheflush.h 1.9 KB

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  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. #ifndef _ASMARM_CACHEFLUSH_H
  15. #define _ASMARM_CACHEFLUSH_H
  16. #if 1 //FIXME - BAD INCLUDES!!!
  17. #include <linux/sched.h>
  18. #include <linux/mm.h>
  19. #endif
  20. #define flush_cache_all() do { } while (0)
  21. #define flush_cache_mm(mm) do { } while (0)
  22. #define flush_cache_range(vma,start,end) do { } while (0)
  23. #define flush_cache_page(vma,vmaddr,pfn) do { } while (0)
  24. #define flush_cache_vmap(start, end) do { } while (0)
  25. #define flush_cache_vunmap(start, end) do { } while (0)
  26. #define invalidate_dcache_range(start,end) do { } while (0)
  27. #define clean_dcache_range(start,end) do { } while (0)
  28. #define flush_dcache_range(start,end) do { } while (0)
  29. #define flush_dcache_page(page) do { } while (0)
  30. #define flush_dcache_mmap_lock(mapping) do { } while (0)
  31. #define flush_dcache_mmap_unlock(mapping) do { } while (0)
  32. #define clean_dcache_entry(_s) do { } while (0)
  33. #define clean_cache_entry(_start) do { } while (0)
  34. #define flush_icache_user_range(start,end, bob, fred) do { } while (0)
  35. #define flush_icache_range(start,end) do { } while (0)
  36. #define flush_icache_page(vma,page) do { } while (0)
  37. #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
  38. memcpy(dst, src, len)
  39. #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
  40. memcpy(dst, src, len)
  41. /* DAG: ARM3 will flush cache on MEMC updates anyway? so don't bother */
  42. /* IM : Yes, it will, but only if setup to do so (we do this). */
  43. #define clean_cache_area(_start,_size) do { } while (0)
  44. #endif