diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2005-11-04 00:58:59 -0500 |
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committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2005-11-04 00:58:59 -0500 |
commit | 1970282f3b453b7aac3b192a44705dcb5277fd82 (patch) | |
tree | 03993bd7b9e69619313da19c137cdde2df9416c5 /include/asm-ppc | |
parent | 9a0f78f63bc05d195aab781486ed57d1418d5f59 (diff) |
powerpc: merge tlbflush.h
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'include/asm-ppc')
-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__ */ | ||