projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| a95d0e16 | 1 | /* |
| 45be7d46 MS |
2 | * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> |
| 3 | * Copyright (C) 2008-2009 PetaLogix | |
| a95d0e16 MS |
4 | * Copyright (C) 2006 Atmark Techno, Inc. |
| 5 | * | |
| 6 | * This file is subject to the terms and conditions of the GNU General Public | |
| 7 | * License. See the file "COPYING" in the main directory of this archive | |
| 8 | * for more details. | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef _ASM_MICROBLAZE_TLBFLUSH_H | |
| 12 | #define _ASM_MICROBLAZE_TLBFLUSH_H | |
| 13 | ||
| 45be7d46 MS |
14 | #ifdef CONFIG_MMU |
| 15 | ||
| 16 | #include <linux/sched.h> | |
| 17 | #include <linux/threads.h> | |
| 18 | #include <asm/processor.h> /* For TASK_SIZE */ | |
| 19 | #include <asm/mmu.h> | |
| 20 | #include <asm/page.h> | |
| 21 | #include <asm/pgalloc.h> | |
| 22 | ||
| 23 | extern void _tlbie(unsigned long address); | |
| 24 | extern void _tlbia(void); | |
| 25 | ||
| 77753790 | 26 | #define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); } |
| e84452dd | 27 | #define __tlbie(x) { _tlbie(x); } |
| 45be7d46 MS |
28 | |
| 29 | static inline void local_flush_tlb_all(void) | |
| 30 | { __tlbia(); } | |
| 31 | static inline void local_flush_tlb_mm(struct mm_struct *mm) | |
| 32 | { __tlbia(); } | |
| 33 | static inline void local_flush_tlb_page(struct vm_area_struct *vma, | |
| 34 | unsigned long vmaddr) | |
| e84452dd | 35 | { __tlbie(vmaddr); } |
| 45be7d46 MS |
36 | static inline void local_flush_tlb_range(struct vm_area_struct *vma, |
| 37 | unsigned long start, unsigned long end) | |
| 38 | { __tlbia(); } | |
| 39 | ||
| 40 | #define flush_tlb_kernel_range(start, end) do { } while (0) | |
| 41 | ||
| 4b3073e1 | 42 | #define update_mmu_cache(vma, addr, ptep) do { } while (0) |
| 45be7d46 MS |
43 | |
| 44 | #define flush_tlb_all local_flush_tlb_all | |
| 45 | #define flush_tlb_mm local_flush_tlb_mm | |
| 46 | #define flush_tlb_page local_flush_tlb_page | |
| 47 | #define flush_tlb_range local_flush_tlb_range | |
| 48 | ||
| 49 | /* | |
| 50 | * This is called in munmap when we have freed up some page-table | |
| 51 | * pages. We don't need to do anything here, there's nothing special | |
| 52 | * about our page-table pages. -- paulus | |
| 53 | */ | |
| 54 | static inline void flush_tlb_pgtables(struct mm_struct *mm, | |
| 55 | unsigned long start, unsigned long end) { } | |
| 56 | ||
| 57 | #else /* CONFIG_MMU */ | |
| 58 | ||
| a95d0e16 MS |
59 | #define flush_tlb() BUG() |
| 60 | #define flush_tlb_all() BUG() | |
| 61 | #define flush_tlb_mm(mm) BUG() | |
| 62 | #define flush_tlb_page(vma, addr) BUG() | |
| 63 | #define flush_tlb_range(mm, start, end) BUG() | |
| 64 | #define flush_tlb_pgtables(mm, start, end) BUG() | |
| 65 | #define flush_tlb_kernel_range(start, end) BUG() | |
| 66 | ||
| 45be7d46 MS |
67 | #endif /* CONFIG_MMU */ |
| 68 | ||
| a95d0e16 | 69 | #endif /* _ASM_MICROBLAZE_TLBFLUSH_H */ |