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

   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
   8#ifndef _ASMARM_PAGE_NOMMU_H
   9#define _ASMARM_PAGE_NOMMU_H
  10
  11#define clear_page(page)        memset((page), 0, PAGE_SIZE)
  12#define copy_page(to,from)      memcpy((to), (from), PAGE_SIZE)
  13
  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/*
  18 * These are used to make use of C type-checking..
  19 */
  20typedef unsigned long pte_t;
  21typedef unsigned long pmd_t;
  22typedef unsigned long pgd_t[2];
  23typedef unsigned long pgprot_t;
  24
  25#define pte_val(x)      (x)
  26#define pmd_val(x)      (x)
  27#define pgd_val(x)      ((x)[0])
  28#define pgprot_val(x)   (x)
  29
  30#define __pte(x)        (x)
  31#define __pmd(x)        (x)
  32#define __pgprot(x)     (x)
  33
  34#endif
  35