| 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_TLBFLUSH_H |
| 20 | #define __ASM_OPENRISC_TLBFLUSH_H |
| 21 | |
| 22 | #include <linux/mm.h> |
| 23 | #include <asm/processor.h> |
| 24 | #include <asm/pgtable.h> |
| 25 | #include <asm/pgalloc.h> |
| 26 | #include <asm/current.h> |
| 27 | #include <linux/sched.h> |
| 28 | |
| 29 | /* |
| 30 | * - flush_tlb() flushes the current mm struct TLBs |
| 31 | * - flush_tlb_all() flushes all processes TLBs |
| 32 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's |
| 33 | * - flush_tlb_page(vma, vmaddr) flushes one page |
| 34 | * - flush_tlb_range(mm, start, end) flushes a range of pages |
| 35 | */ |
| Stefan Kristiansson | 8e6d08e | 2014-05-11 21:49:34 +0300 | [diff] [blame^] | 36 | extern void local_flush_tlb_all(void); |
| 37 | extern void local_flush_tlb_mm(struct mm_struct *mm); |
| 38 | extern void local_flush_tlb_page(struct vm_area_struct *vma, |
| 39 | unsigned long addr); |
| 40 | extern void local_flush_tlb_range(struct vm_area_struct *vma, |
| 41 | unsigned long start, |
| 42 | unsigned long end); |
| Jonas Bonn | 61e85e3 | 2011-06-04 11:06:11 +0300 | [diff] [blame] | 43 | |
| Stefan Kristiansson | 8e6d08e | 2014-05-11 21:49:34 +0300 | [diff] [blame^] | 44 | #ifndef CONFIG_SMP |
| 45 | #define flush_tlb_all local_flush_tlb_all |
| 46 | #define flush_tlb_mm local_flush_tlb_mm |
| 47 | #define flush_tlb_page local_flush_tlb_page |
| 48 | #define flush_tlb_range local_flush_tlb_range |
| 49 | #else |
| 50 | extern void flush_tlb_all(void); |
| 51 | extern void flush_tlb_mm(struct mm_struct *mm); |
| 52 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); |
| 53 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, |
| 54 | unsigned long end); |
| 55 | #endif |
| Jonas Bonn | 61e85e3 | 2011-06-04 11:06:11 +0300 | [diff] [blame] | 56 | |
| 57 | static inline void flush_tlb(void) |
| 58 | { |
| 59 | flush_tlb_mm(current->mm); |
| 60 | } |
| 61 | |
| 62 | static inline void flush_tlb_kernel_range(unsigned long start, |
| 63 | unsigned long end) |
| 64 | { |
| 65 | flush_tlb_range(NULL, start, end); |
| 66 | } |
| 67 | |
| 68 | #endif /* __ASM_OPENRISC_TLBFLUSH_H */ |
