| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); |
| 21 | extern void destroy_context(struct mm_struct *mm); |
| 22 | extern void switch_mm(struct mm_struct *prev, struct mm_struct *next, |
| 23 | struct task_struct *tsk); |
| 24 | |
| 25 | #define deactivate_mm(tsk, mm) do { } while (0) |
| 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 | |
| 33 | extern volatile pgd_t *current_pgd[]; /* defined in arch/openrisc/mm/fault.c */ |
| 34 | |
| 35 | static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) |
| 36 | { |
| 37 | } |
| 38 | |
| 39 | #endif |