LXR linux/arch/powerpc/include/asm/book3s/pgtable.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_POWERPC_BOOK3S_PGTABLE_H
   3#define _ASM_POWERPC_BOOK3S_PGTABLE_H
   4
   5#ifdef CONFIG_PPC64
   6#include <asm/book3s/64/pgtable.h>
   7#else
   8#include <asm/book3s/32/pgtable.h>
   9#endif
  10
  11#define FIRST_USER_ADDRESS      0UL
  12#ifndef __ASSEMBLY__
  13/* Insert a PTE, top-level function is out of line. It uses an inline
  14 * low level function in the respective pgtable-* files
  15 */
  16extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
  17                       pte_t pte);
  18
  19
  20#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
  21extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
  22                                 pte_t *ptep, pte_t entry, int dirty);
  23
  24struct file;
  25extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
  26                                     unsigned long size, pgprot_t vma_prot);
  27#define __HAVE_PHYS_MEM_ACCESS_PROT
  28
  29#endif /* __ASSEMBLY__ */
  30#endif
  31