Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _CRIS_TLBFLUSH_H |
| 2 | #define _CRIS_TLBFLUSH_H |
| 3 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | #include <linux/mm.h> |
| 5 | #include <asm/processor.h> |
| 6 | #include <asm/pgtable.h> |
| 7 | #include <asm/pgalloc.h> |
| 8 | |
| 9 | /* |
| 10 | * TLB flushing (implemented in arch/cris/mm/tlb.c): |
| 11 | * |
| 12 | * - flush_tlb() flushes the current mm struct TLBs |
| 13 | * - flush_tlb_all() flushes all processes TLBs |
| 14 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's |
| 15 | * - flush_tlb_page(vma, vmaddr) flushes one page |
| 16 | * - flush_tlb_range(mm, start, end) flushes a range of pages |
| 17 | * |
| 18 | */ |
| 19 | |
Mikael Starvik | 8d20a54 | 2005-07-27 11:44:42 -0700 | [diff] [blame] | 20 | extern void __flush_tlb_all(void); |
| 21 | extern void __flush_tlb_mm(struct mm_struct *mm); |
| 22 | extern void __flush_tlb_page(struct vm_area_struct *vma, |
| 23 | unsigned long addr); |
| 24 | |
| 25 | #ifdef CONFIG_SMP |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | extern void flush_tlb_all(void); |
| 27 | extern void flush_tlb_mm(struct mm_struct *mm); |
| 28 | extern void flush_tlb_page(struct vm_area_struct *vma, |
| 29 | unsigned long addr); |
Mikael Starvik | 8d20a54 | 2005-07-27 11:44:42 -0700 | [diff] [blame] | 30 | #else |
| 31 | #define flush_tlb_all __flush_tlb_all |
| 32 | #define flush_tlb_mm __flush_tlb_mm |
| 33 | #define flush_tlb_page __flush_tlb_page |
| 34 | #endif |
| 35 | |
| 36 | static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long start, unsigned long end) |
| 37 | { |
| 38 | flush_tlb_mm(vma->vm_mm); |
| 39 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 41 | static inline void flush_tlb_pgtables(struct mm_struct *mm, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | unsigned long start, unsigned long end) |
| 43 | { |
| 44 | /* CRIS does not keep any page table caches in TLB */ |
| 45 | } |
| 46 | |
| 47 | |
Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 48 | static inline void flush_tlb(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | { |
| 50 | flush_tlb_mm(current->mm); |
| 51 | } |
| 52 | |
| 53 | #define flush_tlb_kernel_range(start, end) flush_tlb_all() |
| 54 | |
| 55 | #endif /* _CRIS_TLBFLUSH_H */ |