Commit | Line | Data |
---|---|---|
1970282f SR |
1 | #ifndef _ASM_POWERPC_TLBFLUSH_H |
2 | #define _ASM_POWERPC_TLBFLUSH_H | |
e701d269 | 3 | |
1970282f SR |
4 | /* |
5 | * TLB flushing: | |
6 | * | |
7 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | |
8 | * - flush_tlb_page(vma, vmaddr) flushes one page | |
d4e167da | 9 | * - local_flush_tlb_mm(mm, full) flushes the specified mm context on |
f048aace BH |
10 | * the local processor |
11 | * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor | |
1970282f SR |
12 | * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB |
13 | * - flush_tlb_range(vma, start, end) flushes a range of pages | |
14 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | |
1970282f SR |
15 | * |
16 | * This program is free software; you can redistribute it and/or | |
17 | * modify it under the terms of the GNU General Public License | |
18 | * as published by the Free Software Foundation; either version | |
19 | * 2 of the License, or (at your option) any later version. | |
20 | */ | |
21 | #ifdef __KERNEL__ | |
22 | ||
f048aace | 23 | #ifdef CONFIG_PPC_MMU_NOHASH |
62102307 DG |
24 | /* |
25 | * TLB flushing for software loaded TLB chips | |
26 | * | |
27 | * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & | |
28 | * flush_tlb_kernel_range are best implemented as tlbia vs | |
29 | * specific tlbie's | |
30 | */ | |
31 | ||
d4e167da BH |
32 | struct vm_area_struct; |
33 | struct mm_struct; | |
e701d269 | 34 | |
2ca8cf73 BH |
35 | #define MMU_NO_CONTEXT ((unsigned int)-1) |
36 | ||
f048aace BH |
37 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, |
38 | unsigned long end); | |
39 | extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | |
62102307 | 40 | |
f048aace BH |
41 | extern void local_flush_tlb_mm(struct mm_struct *mm); |
42 | extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | |
62102307 | 43 | |
d4e167da BH |
44 | extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, |
45 | int tsize, int ind); | |
46 | ||
f048aace BH |
47 | #ifdef CONFIG_SMP |
48 | extern void flush_tlb_mm(struct mm_struct *mm); | |
49 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | |
d4e167da BH |
50 | extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, |
51 | int tsize, int ind); | |
f048aace BH |
52 | #else |
53 | #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) | |
54 | #define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) | |
d4e167da | 55 | #define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) |
f048aace | 56 | #endif |
62102307 | 57 | |
f048aace | 58 | #elif defined(CONFIG_PPC_STD_MMU_32) |
62102307 | 59 | |
1a472c9d | 60 | #define MMU_NO_CONTEXT (0) |
62102307 | 61 | /* |
f048aace | 62 | * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx |
62102307 | 63 | */ |
62102307 DG |
64 | extern void flush_tlb_mm(struct mm_struct *mm); |
65 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | |
66 | extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); | |
67 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | |
68 | unsigned long end); | |
69 | extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | |
f048aace BH |
70 | static inline void local_flush_tlb_page(struct vm_area_struct *vma, |
71 | unsigned long vmaddr) | |
df3b8611 | 72 | { |
f048aace BH |
73 | flush_tlb_page(vma, vmaddr); |
74 | } | |
75 | static inline void local_flush_tlb_mm(struct mm_struct *mm) | |
76 | { | |
77 | flush_tlb_mm(mm); | |
df3b8611 | 78 | } |
62102307 | 79 | |
f048aace | 80 | #elif defined(CONFIG_PPC_STD_MMU_64) |
676012a6 | 81 | #include <asm/book3s/64/tlbflush.h> |
f048aace BH |
82 | #else |
83 | #error Unsupported MMU type | |
1970282f SR |
84 | #endif |
85 | ||
1970282f SR |
86 | #endif /*__KERNEL__ */ |
87 | #endif /* _ASM_POWERPC_TLBFLUSH_H */ |