1/*
 2 * OpenRISC Linux
 3 *
 4 * Linux architectural port borrowing liberally from similar works of
 5 * others.  All original copyrights apply as per the original source
 6 * declaration.
 7 *
 8 * OpenRISC implementation:
 9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * et al.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 */
18
19#ifndef __ASM_OPENRISC_MMU_CONTEXT_H
20#define __ASM_OPENRISC_MMU_CONTEXT_H
21
22#include <asm-generic/mm_hooks.h>
23
 
24extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
 
25extern void destroy_context(struct mm_struct *mm);
26extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
27		      struct task_struct *tsk);
28
29#define deactivate_mm(tsk, mm)	do { } while (0)
30
31#define activate_mm(prev, next) switch_mm((prev), (next), NULL)
32
33/* current active pgd - this is similar to other processors pgd
34 * registers like cr3 on the i386
35 */
36
37extern volatile pgd_t *current_pgd;   /* defined in arch/openrisc/mm/fault.c */
38
39static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
40{
41}
42
43#endif

 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