tlbflush.h (1579B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 4 * Copyright (C) 2008-2009 PetaLogix 5 * Copyright (C) 2006 Atmark Techno, Inc. 6 */ 7 8#ifndef _ASM_MICROBLAZE_TLBFLUSH_H 9#define _ASM_MICROBLAZE_TLBFLUSH_H 10 11#include <linux/sched.h> 12#include <linux/threads.h> 13#include <asm/processor.h> /* For TASK_SIZE */ 14#include <asm/mmu.h> 15#include <asm/page.h> 16 17extern void _tlbie(unsigned long address); 18extern void _tlbia(void); 19 20#define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); } 21#define __tlbie(x) { _tlbie(x); } 22 23static inline void local_flush_tlb_all(void) 24 { __tlbia(); } 25static inline void local_flush_tlb_mm(struct mm_struct *mm) 26 { __tlbia(); } 27static inline void local_flush_tlb_page(struct vm_area_struct *vma, 28 unsigned long vmaddr) 29 { __tlbie(vmaddr); } 30static inline void local_flush_tlb_range(struct vm_area_struct *vma, 31 unsigned long start, unsigned long end) 32 { __tlbia(); } 33 34#define flush_tlb_kernel_range(start, end) do { } while (0) 35 36#define update_mmu_cache(vma, addr, ptep) do { } while (0) 37 38#define flush_tlb_all local_flush_tlb_all 39#define flush_tlb_mm local_flush_tlb_mm 40#define flush_tlb_page local_flush_tlb_page 41#define flush_tlb_range local_flush_tlb_range 42 43/* 44 * This is called in munmap when we have freed up some page-table 45 * pages. We don't need to do anything here, there's nothing special 46 * about our page-table pages. -- paulus 47 */ 48static inline void flush_tlb_pgtables(struct mm_struct *mm, 49 unsigned long start, unsigned long end) { } 50 51#endif /* _ASM_MICROBLAZE_TLBFLUSH_H */