page-nommu.h 957 B

12345678910111213141516171819202122232425262728293031323334353637
  1. /*
  2. * arch/arm/include/asm/page-nommu.h
  3. *
  4. * Copyright (C) 2004 Hyok S. Choi
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. */
  10. #ifndef _ASMARM_PAGE_NOMMU_H
  11. #define _ASMARM_PAGE_NOMMU_H
  12. #define clear_page(page) memset((page), 0, PAGE_SIZE)
  13. #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE)
  14. #define clear_user_page(page, vaddr, pg) clear_page(page)
  15. #define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
  16. /*
  17. * These are used to make use of C type-checking..
  18. */
  19. typedef unsigned long pte_t;
  20. typedef unsigned long pmd_t;
  21. typedef unsigned long pgd_t[2];
  22. typedef unsigned long pgprot_t;
  23. #define pte_val(x) (x)
  24. #define pmd_val(x) (x)
  25. #define pgd_val(x) ((x)[0])
  26. #define pgprot_val(x) (x)
  27. #define __pte(x) (x)
  28. #define __pmd(x) (x)
  29. #define __pgprot(x) (x)
  30. #endif