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1da177e4 LT |
1 | #ifndef _SPARC_TLBFLUSH_H |
2 | #define _SPARC_TLBFLUSH_H | |
3 | ||
4 | #include <linux/config.h> | |
5 | #include <linux/mm.h> | |
6 | // #include <asm/processor.h> | |
7 | ||
8 | /* | |
9 | * TLB flushing: | |
10 | * | |
11 | * - flush_tlb() flushes the current mm struct TLBs XXX Exists? | |
12 | * - flush_tlb_all() flushes all processes TLBs | |
13 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | |
14 | * - flush_tlb_page(vma, vmaddr) flushes one page | |
15 | * - flush_tlb_range(vma, start, end) flushes a range of pages | |
16 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | |
17 | * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables | |
18 | */ | |
19 | ||
20 | #ifdef CONFIG_SMP | |
21 | ||
22 | BTFIXUPDEF_CALL(void, local_flush_tlb_all, void) | |
23 | BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *) | |
24 | BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | |
25 | BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long) | |
26 | ||
27 | #define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)() | |
28 | #define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm) | |
29 | #define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end) | |
30 | #define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr) | |
31 | ||
32 | extern void smp_flush_tlb_all(void); | |
33 | extern void smp_flush_tlb_mm(struct mm_struct *mm); | |
34 | extern void smp_flush_tlb_range(struct vm_area_struct *vma, | |
35 | unsigned long start, | |
36 | unsigned long end); | |
37 | extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page); | |
38 | ||
39 | #endif /* CONFIG_SMP */ | |
40 | ||
41 | BTFIXUPDEF_CALL(void, flush_tlb_all, void) | |
42 | BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) | |
43 | BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) | |
44 | BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) | |
45 | ||
46 | // Thanks to Anton Blanchard, our pagetables became uncached in 2.4. Wee! | |
47 | // extern void flush_tlb_pgtables(struct mm_struct *mm, | |
48 | // unsigned long start, unsigned long end); | |
49 | #define flush_tlb_pgtables(mm, start, end) do{ }while(0) | |
50 | ||
51 | #define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)() | |
52 | #define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm) | |
53 | #define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end) | |
54 | #define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr) | |
55 | ||
56 | // #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */ | |
57 | ||
58 | /* | |
59 | * This is a kludge, until I know better. --zaitcev XXX | |
60 | */ | |
61 | #define flush_tlb_kernel_range(start, end) flush_tlb_all() | |
62 | ||
63 | #endif /* _SPARC_TLBFLUSH_H */ |