page-nommu.h 811 B

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * arch/arm/include/asm/page-nommu.h
  4. *
  5. * Copyright (C) 2004 Hyok S. Choi
  6. */
  7. #ifndef _ASMARM_PAGE_NOMMU_H
  8. #define _ASMARM_PAGE_NOMMU_H
  9. #define clear_page(page) memset((page), 0, PAGE_SIZE)
  10. #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE)
  11. #define clear_user_page(page, vaddr, pg) clear_page(page)
  12. #define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
  13. /*
  14. * These are used to make use of C type-checking..
  15. */
  16. typedef unsigned long pte_t;
  17. typedef unsigned long pmd_t;
  18. typedef unsigned long pgd_t[2];
  19. typedef unsigned long pgprot_t;
  20. #define pte_val(x) (x)
  21. #define pmd_val(x) (x)
  22. #define pgd_val(x) ((x)[0])
  23. #define pgprot_val(x) (x)
  24. #define __pte(x) (x)
  25. #define __pmd(x) (x)
  26. #define __pgprot(x) (x)
  27. #endif