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  1. #ifndef _ASM_X86_PAGE_32_H
  2. #define _ASM_X86_PAGE_32_H
  3.  
  4. #include <asm/page_32_types.h>
  5.  
  6. #ifndef __ASSEMBLY__
  7.  
  8. #define __phys_addr_nodebug(x)  ((x) - PAGE_OFFSET)
  9. #ifdef CONFIG_DEBUG_VIRTUAL
  10. extern unsigned long __phys_addr(unsigned long);
  11. #else
  12. #define __phys_addr(x)          __phys_addr_nodebug(x)
  13. #endif
  14. #define __phys_addr_symbol(x)   __phys_addr(x)
  15. #define __phys_reloc_hide(x)    RELOC_HIDE((x), 0)
  16.  
  17. #ifdef CONFIG_FLATMEM
  18. #define pfn_valid(pfn)          ((pfn) < max_mapnr)
  19. #endif /* CONFIG_FLATMEM */
  20.  
  21. #ifdef CONFIG_X86_USE_3DNOW
  22. #include <asm/mmx.h>
  23.  
  24. static inline void clear_page(void *page)
  25. {
  26.         mmx_clear_page(page);
  27. }
  28.  
  29. static inline void copy_page(void *to, void *from)
  30. {
  31.         mmx_copy_page(to, from);
  32. }
  33. #else  /* !CONFIG_X86_USE_3DNOW */
  34. #include <linux/string.h>
  35.  
  36. static inline void clear_page(void *page)
  37. {
  38.         memset(page, 0, PAGE_SIZE);
  39. }
  40.  
  41. static inline void copy_page(void *to, void *from)
  42. {
  43.         memcpy(to, from, PAGE_SIZE);
  44. }
  45. #endif  /* CONFIG_X86_3DNOW */
  46. #endif  /* !__ASSEMBLY__ */
  47.  
  48. #endif /* _ASM_X86_PAGE_32_H */
  49.