44 строки
1.3 KiB
C
44 строки
1.3 KiB
C
/*
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* OpenRISC Linux
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*
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* Linux architectural port borrowing liberally from similar works of
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* others. All original copyrights apply as per the original source
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* declaration.
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*
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* OpenRISC implementation:
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* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
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* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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* et al.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __ASM_OPENRISC_MMU_CONTEXT_H
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#define __ASM_OPENRISC_MMU_CONTEXT_H
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#include <asm-generic/mm_hooks.h>
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extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
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extern void destroy_context(struct mm_struct *mm);
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extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
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struct task_struct *tsk);
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#define deactivate_mm(tsk, mm) do { } while (0)
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#define activate_mm(prev, next) switch_mm((prev), (next), NULL)
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/* current active pgd - this is similar to other processors pgd
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* registers like cr3 on the i386
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*/
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extern volatile pgd_t *current_pgd; /* defined in arch/openrisc/mm/fault.c */
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static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
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{
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}
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#endif
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