diff options
Diffstat (limited to 'include/asm-ppc/tlbflush.h')
| -rw-r--r-- | include/asm-ppc/tlbflush.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/include/asm-ppc/tlbflush.h b/include/asm-ppc/tlbflush.h deleted file mode 100644 index 9afee4ffc835..000000000000 --- a/include/asm-ppc/tlbflush.h +++ /dev/null | |||
| @@ -1,115 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-ppc/tlbflush.h | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU General Public License | ||
| 6 | * as published by the Free Software Foundation; either version | ||
| 7 | * 2 of the License, or (at your option) any later version. | ||
| 8 | */ | ||
| 9 | #ifdef __KERNEL__ | ||
| 10 | #ifndef _PPC_TLBFLUSH_H | ||
| 11 | #define _PPC_TLBFLUSH_H | ||
| 12 | |||
| 13 | #include <linux/config.h> | ||
| 14 | #include <linux/mm.h> | ||
| 15 | |||
| 16 | extern void _tlbie(unsigned long address); | ||
| 17 | extern void _tlbia(void); | ||
| 18 | |||
| 19 | #if defined(CONFIG_4xx) | ||
| 20 | |||
| 21 | #ifndef CONFIG_44x | ||
| 22 | #define __tlbia() asm volatile ("sync; tlbia; isync" : : : "memory") | ||
| 23 | #else | ||
| 24 | #define __tlbia _tlbia | ||
| 25 | #endif | ||
| 26 | |||
| 27 | static inline void flush_tlb_mm(struct mm_struct *mm) | ||
| 28 | { __tlbia(); } | ||
| 29 | static inline void flush_tlb_page(struct vm_area_struct *vma, | ||
| 30 | unsigned long vmaddr) | ||
| 31 | { _tlbie(vmaddr); } | ||
| 32 | static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, | ||
| 33 | unsigned long vmaddr) | ||
| 34 | { _tlbie(vmaddr); } | ||
| 35 | static inline void flush_tlb_range(struct vm_area_struct *vma, | ||
| 36 | unsigned long start, unsigned long end) | ||
| 37 | { __tlbia(); } | ||
| 38 | static inline void flush_tlb_kernel_range(unsigned long start, | ||
| 39 | unsigned long end) | ||
| 40 | { __tlbia(); } | ||
| 41 | |||
| 42 | #elif defined(CONFIG_FSL_BOOKE) | ||
| 43 | |||
| 44 | /* TODO: determine if flush_tlb_range & flush_tlb_kernel_range | ||
| 45 | * are best implemented as tlbia vs specific tlbie's */ | ||
| 46 | |||
| 47 | #define __tlbia() _tlbia() | ||
| 48 | |||
| 49 | static inline void flush_tlb_mm(struct mm_struct *mm) | ||
| 50 | { __tlbia(); } | ||
| 51 | static inline void flush_tlb_page(struct vm_area_struct *vma, | ||
| 52 | unsigned long vmaddr) | ||
| 53 | { _tlbie(vmaddr); } | ||
| 54 | static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, | ||
| 55 | unsigned long vmaddr) | ||
| 56 | { _tlbie(vmaddr); } | ||
| 57 | static inline void flush_tlb_range(struct vm_area_struct *vma, | ||
| 58 | unsigned long start, unsigned long end) | ||
| 59 | { __tlbia(); } | ||
| 60 | static inline void flush_tlb_kernel_range(unsigned long start, | ||
| 61 | unsigned long end) | ||
| 62 | { __tlbia(); } | ||
| 63 | |||
| 64 | #elif defined(CONFIG_8xx) | ||
| 65 | #define __tlbia() asm volatile ("tlbia; sync" : : : "memory") | ||
| 66 | |||
| 67 | static inline void flush_tlb_mm(struct mm_struct *mm) | ||
| 68 | { __tlbia(); } | ||
| 69 | static inline void flush_tlb_page(struct vm_area_struct *vma, | ||
| 70 | unsigned long vmaddr) | ||
| 71 | { _tlbie(vmaddr); } | ||
| 72 | static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, | ||
| 73 | unsigned long vmaddr) | ||
| 74 | { _tlbie(vmaddr); } | ||
| 75 | static inline void flush_tlb_range(struct vm_area_struct *vma, | ||
| 76 | unsigned long start, unsigned long end) | ||
| 77 | { __tlbia(); } | ||
| 78 | static inline void flush_tlb_kernel_range(unsigned long start, | ||
| 79 | unsigned long end) | ||
| 80 | { __tlbia(); } | ||
| 81 | |||
| 82 | #else /* 6xx, 7xx, 7xxx cpus */ | ||
| 83 | struct mm_struct; | ||
| 84 | struct vm_area_struct; | ||
| 85 | extern void flush_tlb_mm(struct mm_struct *mm); | ||
| 86 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | ||
| 87 | extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); | ||
| 88 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | ||
| 89 | unsigned long end); | ||
| 90 | extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
| 91 | #endif | ||
| 92 | |||
| 93 | /* | ||
| 94 | * This is called in munmap when we have freed up some page-table | ||
| 95 | * pages. We don't need to do anything here, there's nothing special | ||
| 96 | * about our page-table pages. -- paulus | ||
| 97 | */ | ||
| 98 | static inline void flush_tlb_pgtables(struct mm_struct *mm, | ||
| 99 | unsigned long start, unsigned long end) | ||
| 100 | { | ||
| 101 | } | ||
| 102 | |||
| 103 | /* | ||
| 104 | * This gets called at the end of handling a page fault, when | ||
| 105 | * the kernel has put a new PTE into the page table for the process. | ||
| 106 | * We use it to ensure coherency between the i-cache and d-cache | ||
| 107 | * for the page which has just been mapped in. | ||
| 108 | * On machines which use an MMU hash table, we use this to put a | ||
| 109 | * corresponding HPTE into the hash table ahead of time, instead of | ||
| 110 | * waiting for the inevitable extra hash-table miss exception. | ||
| 111 | */ | ||
| 112 | extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); | ||
| 113 | |||
| 114 | #endif /* _PPC_TLBFLUSH_H */ | ||
| 115 | #endif /*__KERNEL__ */ | ||