LXR linux/arch/openrisc/include/asm/mmu

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * OpenRISC Linux
   4 *
   5 * Linux architectural port borrowing liberally from similar works of
   6 * others.  All original copyrights apply as per the original source
   7 * declaration.
   8 *
   9 * OpenRISC implementation:
  10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  12 * et al.
  13 */
  14
  15#ifndef __ASM_OPENRISC_MMU_CONTEXT_H
  16#define __ASM_OPENRISC_MMU_CONTEXT_H
  17
  18#include <asm-generic/mm_hooks.h>
  19
  20#define init_new_context init_new_context
  21extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
  22#define destroy_context destroy_context
  23extern void destroy_context(struct mm_struct *mm);
  24extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  25                      struct task_struct *tsk);
  26
  27#define activate_mm(prev, next) switch_mm((prev), (next), NULL)
  28
  29/* current active pgd - this is similar to other processors pgd
  30 * registers like cr3 on the i386
  31 */
  32
  33extern volatile pgd_t *current_pgd[]; /* defined in arch/openrisc/mm/fault.c */
  34
  35#include <asm-generic/mmu_context.h>
  36
  37#endif
  38