arch/arm/include/asm/page-nommu.h

   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
  11 #ifndef _ASMARM_PAGE_NOMMU_H
  12 #define _ASMARM_PAGE_NOMMU_H
  13
  14 #define clear_page(page)        memset((page), 0, PAGE_SIZE)
  15 #define copy_page(to,from)      memcpy((to), (from), PAGE_SIZE)
  16
  17 #define clear_user_page(page, vaddr, pg)        clear_page(page)
  18 #define copy_user_page(to, from, vaddr, pg)     copy_page(to, from)
  19
  20 /*
  21  * These are used to make use of C type-checking..
  22  */
  23 typedef unsigned long pte_t;
  24 typedef unsigned long pmd_t;
  25 typedef unsigned long pgd_t[2];
  26 typedef unsigned long pgprot_t;
  27
  28 #define pte_val(x)      (x)
  29 #define pmd_val(x)      (x)
  30 #define pgd_val(x)      ((x)[0])
  31 #define pgprot_val(x)   (x)
  32
  33 #define __pte(x)        (x)
  34 #define __pmd(x)        (x)
  35 #define __pgprot(x)     (x)
  36
  37 #endif