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51 lines
1.5 KiB
51 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2008-2009 Michal Simek <[email protected]> |
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* Copyright (C) 2008-2009 PetaLogix |
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* Copyright (C) 2006 Atmark Techno, Inc. |
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*/ |
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#ifndef _ASM_MICROBLAZE_TLBFLUSH_H |
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#define _ASM_MICROBLAZE_TLBFLUSH_H |
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#include <linux/sched.h> |
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#include <linux/threads.h> |
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#include <asm/processor.h> /* For TASK_SIZE */ |
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#include <asm/mmu.h> |
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#include <asm/page.h> |
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extern void _tlbie(unsigned long address); |
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extern void _tlbia(void); |
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#define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); } |
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#define __tlbie(x) { _tlbie(x); } |
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static inline void local_flush_tlb_all(void) |
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{ __tlbia(); } |
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static inline void local_flush_tlb_mm(struct mm_struct *mm) |
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{ __tlbia(); } |
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static inline void local_flush_tlb_page(struct vm_area_struct *vma, |
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unsigned long vmaddr) |
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{ __tlbie(vmaddr); } |
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static inline void local_flush_tlb_range(struct vm_area_struct *vma, |
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unsigned long start, unsigned long end) |
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{ __tlbia(); } |
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#define flush_tlb_kernel_range(start, end) do { } while (0) |
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#define update_mmu_cache(vma, addr, ptep) do { } while (0) |
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#define flush_tlb_all local_flush_tlb_all |
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#define flush_tlb_mm local_flush_tlb_mm |
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#define flush_tlb_page local_flush_tlb_page |
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#define flush_tlb_range local_flush_tlb_range |
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/* |
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* This is called in munmap when we have freed up some page-table |
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* pages. We don't need to do anything here, there's nothing special |
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* about our page-table pages. -- paulus |
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*/ |
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static inline void flush_tlb_pgtables(struct mm_struct *mm, |
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unsigned long start, unsigned long end) { } |
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#endif /* _ASM_MICROBLAZE_TLBFLUSH_H */
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