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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 */