| 1 | /* |
| 2 | * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved. |
| 3 | */ |
| 4 | #ifndef M68K_CF_TLBFLUSH_H |
| 5 | #define M68K_CF_TLBFLUSH_H |
| 6 | |
| 7 | #include <asm/coldfire.h> |
| 8 | |
| 9 | /* Flush all userspace mappings. */ |
| 10 | static inline void flush_tlb_all(void) |
| 11 | { |
| 12 | preempt_disable(); |
| 13 | *MMUOR = MMUOR_CNL; |
| 14 | preempt_enable(); |
| 15 | } |
| 16 | |
| 17 | /* Clear user TLB entries within the context named in mm */ |
| 18 | static inline void flush_tlb_mm(struct mm_struct *mm) |
| 19 | { |
| 20 | preempt_disable(); |
| 21 | *MMUOR = MMUOR_CNL; |
| 22 | preempt_enable(); |
| 23 | } |
| 24 | |
| 25 | /* Flush a single TLB page. */ |
| 26 | static inline void flush_tlb_page(struct vm_area_struct *vma, |
| 27 | unsigned long addr) |
| 28 | { |
| 29 | preempt_disable(); |
| 30 | *MMUOR = MMUOR_CNL; |
| 31 | preempt_enable(); |
| 32 | } |
| 33 | /* Flush a range of pages from TLB. */ |
| 34 | |
| 35 | static inline void flush_tlb_range(struct mm_struct *mm, |
| 36 | unsigned long start, unsigned long end) |
| 37 | { |
| 38 | preempt_disable(); |
| 39 | *MMUOR = MMUOR_CNL; |
| 40 | preempt_enable(); |
| 41 | } |
| 42 | |
| 43 | /* Flush kernel page from TLB. */ |
| 44 | static inline void flush_tlb_kernel_page(void *addr) |
| 45 | { |
| 46 | preempt_disable(); |
| 47 | *MMUOR = MMUOR_CNL; |
| 48 | preempt_enable(); |
| 49 | } |
| 50 | |
| 51 | static inline void flush_tlb_kernel_range(unsigned long start, |
| 52 | unsigned long end) |
| 53 | { |
| 54 | flush_tlb_all(); |
| 55 | } |
| 56 | |
| 57 | extern inline void flush_tlb_pgtables(struct mm_struct *mm, |
| 58 | unsigned long start, unsigned long end) |
| 59 | { |
| 60 | } |
| 61 | |
| 62 | #endif /* M68K_CF_TLBFLUSH_H */ |
| 63 | |
