| /* |
| * 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_TLBFLUSH_H |
| #define __ASM_OPENRISC_TLBFLUSH_H |
| |
| #include <linux/mm.h> |
| #include <asm/processor.h> |
| #include <asm/pgtable.h> |
| #include <asm/pgalloc.h> |
| #include <asm/current.h> |
| #include <linux/sched.h> |
| |
| /* |
| * - flush_tlb() flushes the current mm struct TLBs |
| * - flush_tlb_all() flushes all processes TLBs |
| * - flush_tlb_mm(mm) flushes the specified mm context TLB's |
| * - flush_tlb_page(vma, vmaddr) flushes one page |
| * - flush_tlb_range(mm, start, end) flushes a range of pages |
| */ |
| extern void local_flush_tlb_all(void); |
| extern void local_flush_tlb_mm(struct mm_struct *mm); |
| extern void local_flush_tlb_page(struct vm_area_struct *vma, |
| unsigned long addr); |
| extern void local_flush_tlb_range(struct vm_area_struct *vma, |
| unsigned long start, |
| unsigned long end); |
| |
| #ifndef CONFIG_SMP |
| #define flush_tlb_all local_flush_tlb_all |
| #define flush_tlb_mm local_flush_tlb_mm |
| #define flush_tlb_page local_flush_tlb_page |
| #define flush_tlb_range local_flush_tlb_range |
| #else |
| extern void flush_tlb_all(void); |
| extern void flush_tlb_mm(struct mm_struct *mm); |
| extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); |
| extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, |
| unsigned long end); |
| #endif |
| |
| static inline void flush_tlb(void) |
| { |
| flush_tlb_mm(current->mm); |
| } |
| |
| static inline void flush_tlb_kernel_range(unsigned long start, |
| unsigned long end) |
| { |
| flush_tlb_range(NULL, start, end); |
| } |
| |
| #endif /* __ASM_OPENRISC_TLBFLUSH_H */ |
