| Jonas Bonn | 61e85e3 | 2011-06-04 11:06:11 +0300 | [diff] [blame] | 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 | |
| 24 | extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); |
| 25 | extern void destroy_context(struct mm_struct *mm); |
| 26 | extern 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 | |
| 37 | extern volatile pgd_t *current_pgd; /* defined in arch/openrisc/mm/fault.c */ |
| 38 | |
| 39 | static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | #endif |