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