161e85e367535a7b6385b404bef93928768140f96Jonas Bonn/* 261e85e367535a7b6385b404bef93928768140f96Jonas Bonn * OpenRISC Linux 361e85e367535a7b6385b404bef93928768140f96Jonas Bonn * 461e85e367535a7b6385b404bef93928768140f96Jonas Bonn * Linux architectural port borrowing liberally from similar works of 561e85e367535a7b6385b404bef93928768140f96Jonas Bonn * others. All original copyrights apply as per the original source 661e85e367535a7b6385b404bef93928768140f96Jonas Bonn * declaration. 761e85e367535a7b6385b404bef93928768140f96Jonas Bonn * 861e85e367535a7b6385b404bef93928768140f96Jonas Bonn * OpenRISC implementation: 961e85e367535a7b6385b404bef93928768140f96Jonas Bonn * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> 1061e85e367535a7b6385b404bef93928768140f96Jonas Bonn * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 1161e85e367535a7b6385b404bef93928768140f96Jonas Bonn * et al. 1261e85e367535a7b6385b404bef93928768140f96Jonas Bonn * 1361e85e367535a7b6385b404bef93928768140f96Jonas Bonn * This program is free software; you can redistribute it and/or modify 1461e85e367535a7b6385b404bef93928768140f96Jonas Bonn * it under the terms of the GNU General Public License as published by 1561e85e367535a7b6385b404bef93928768140f96Jonas Bonn * the Free Software Foundation; either version 2 of the License, or 1661e85e367535a7b6385b404bef93928768140f96Jonas Bonn * (at your option) any later version. 1761e85e367535a7b6385b404bef93928768140f96Jonas Bonn */ 1861e85e367535a7b6385b404bef93928768140f96Jonas Bonn 1961e85e367535a7b6385b404bef93928768140f96Jonas Bonn#ifndef __ASM_OPENRISC_TLBFLUSH_H 2061e85e367535a7b6385b404bef93928768140f96Jonas Bonn#define __ASM_OPENRISC_TLBFLUSH_H 2161e85e367535a7b6385b404bef93928768140f96Jonas Bonn 2261e85e367535a7b6385b404bef93928768140f96Jonas Bonn#include <linux/mm.h> 2361e85e367535a7b6385b404bef93928768140f96Jonas Bonn#include <asm/processor.h> 2461e85e367535a7b6385b404bef93928768140f96Jonas Bonn#include <asm/pgtable.h> 2561e85e367535a7b6385b404bef93928768140f96Jonas Bonn#include <asm/pgalloc.h> 2661e85e367535a7b6385b404bef93928768140f96Jonas Bonn#include <asm/current.h> 2761e85e367535a7b6385b404bef93928768140f96Jonas Bonn#include <linux/sched.h> 2861e85e367535a7b6385b404bef93928768140f96Jonas Bonn 2961e85e367535a7b6385b404bef93928768140f96Jonas Bonn/* 3061e85e367535a7b6385b404bef93928768140f96Jonas Bonn * - flush_tlb() flushes the current mm struct TLBs 3161e85e367535a7b6385b404bef93928768140f96Jonas Bonn * - flush_tlb_all() flushes all processes TLBs 3261e85e367535a7b6385b404bef93928768140f96Jonas Bonn * - flush_tlb_mm(mm) flushes the specified mm context TLB's 3361e85e367535a7b6385b404bef93928768140f96Jonas Bonn * - flush_tlb_page(vma, vmaddr) flushes one page 3461e85e367535a7b6385b404bef93928768140f96Jonas Bonn * - flush_tlb_range(mm, start, end) flushes a range of pages 3561e85e367535a7b6385b404bef93928768140f96Jonas Bonn */ 3661e85e367535a7b6385b404bef93928768140f96Jonas Bonn 3761e85e367535a7b6385b404bef93928768140f96Jonas Bonnvoid flush_tlb_all(void); 3861e85e367535a7b6385b404bef93928768140f96Jonas Bonnvoid flush_tlb_mm(struct mm_struct *mm); 3961e85e367535a7b6385b404bef93928768140f96Jonas Bonnvoid flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); 4061e85e367535a7b6385b404bef93928768140f96Jonas Bonnvoid flush_tlb_range(struct vm_area_struct *vma, 4161e85e367535a7b6385b404bef93928768140f96Jonas Bonn unsigned long start, 4261e85e367535a7b6385b404bef93928768140f96Jonas Bonn unsigned long end); 4361e85e367535a7b6385b404bef93928768140f96Jonas Bonn 4461e85e367535a7b6385b404bef93928768140f96Jonas Bonnstatic inline void flush_tlb(void) 4561e85e367535a7b6385b404bef93928768140f96Jonas Bonn{ 4661e85e367535a7b6385b404bef93928768140f96Jonas Bonn flush_tlb_mm(current->mm); 4761e85e367535a7b6385b404bef93928768140f96Jonas Bonn} 4861e85e367535a7b6385b404bef93928768140f96Jonas Bonn 4961e85e367535a7b6385b404bef93928768140f96Jonas Bonnstatic inline void flush_tlb_kernel_range(unsigned long start, 5061e85e367535a7b6385b404bef93928768140f96Jonas Bonn unsigned long end) 5161e85e367535a7b6385b404bef93928768140f96Jonas Bonn{ 5261e85e367535a7b6385b404bef93928768140f96Jonas Bonn flush_tlb_range(NULL, start, end); 5361e85e367535a7b6385b404bef93928768140f96Jonas Bonn} 5461e85e367535a7b6385b404bef93928768140f96Jonas Bonn 5561e85e367535a7b6385b404bef93928768140f96Jonas Bonn#endif /* __ASM_OPENRISC_TLBFLUSH_H */ 56