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