| | 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 | |
| | 17 | extern void _tlbie(unsigned long address); |
| | 18 | extern void _tlbia(void); |
| | 19 | |
| | 20 | #define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); } |
| | 21 | #define __tlbie(x) { _tlbie(x); } |
| | 22 | |
| | 23 | static inline void local_flush_tlb_all(void) |
| | 24 | { __tlbia(); } |
| | 25 | static inline void local_flush_tlb_mm(struct mm_struct *mm) |
| | 26 | { __tlbia(); } |
| | 27 | static inline void local_flush_tlb_page(struct vm_area_struct *vma, |
| | 28 | unsigned long vmaddr) |
| | 29 | { __tlbie(vmaddr); } |
| | 30 | static 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_range(vmf, vma, addr, ptep, nr) do { } while (0) |
| | 37 | #define update_mmu_cache(vma, addr, pte) \ |
| | 38 | update_mmu_cache_range(NULL, vma, addr, ptep, 1) |
| | 39 | |
| | 40 | #define flush_tlb_all local_flush_tlb_all |
| | 41 | #define flush_tlb_mm local_flush_tlb_mm |
| | 42 | #define flush_tlb_page local_flush_tlb_page |
| | 43 | #define flush_tlb_range local_flush_tlb_range |
| | 44 | |
| | 45 | /* |
| | 46 | * This is called in munmap when we have freed up some page-table |
| | 47 | * pages. We don't need to do anything here, there's nothing special |
| | 48 | * about our page-table pages. -- paulus |
| | 49 | */ |
| | 50 | static inline void flush_tlb_pgtables(struct mm_struct *mm, |
| | 51 | unsigned long start, unsigned long end) { } |
| | 52 | |
| | 53 | #endif /* _ASM_MICROBLAZE_TLBFLUSH_H */ |
projects / linux-2.6-block.git / blame_incremental