arch/nios2/include/asm/tlb.h

   1 /*
   2  * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
   3  * Copyright (C) 2009 Wind River Systems Inc
   4  * Copyright (C) 2004 Microtronix Datacom Ltd.
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License. See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10
  11 #ifndef _ASM_NIOS2_TLB_H
  12 #define _ASM_NIOS2_TLB_H
  13
  14 #define tlb_flush(tlb)  flush_tlb_mm((tlb)->mm)
  15
  16 extern void set_mmu_pid(unsigned long pid);
  17
  18 /*
  19  * NiosII doesn't need any special per-pte or per-vma handling, except
  20  * we need to flush cache for the area to be unmapped.
  21  */
  22 #define tlb_start_vma(tlb, vma)                                 \
  23         do {                                                    \
  24                 if (!tlb->fullmm)                               \
  25                         flush_cache_range(vma, vma->vm_start, vma->vm_end); \
  26         }  while (0)
  27
  28 #define tlb_end_vma(tlb, vma)   do { } while (0)
  29 #define __tlb_remove_tlb_entry(tlb, ptep, address)      do { } while (0)
  30
  31 #include <linux/pagemap.h>
  32 #include <asm-generic/tlb.h>
  33
  34 #endif /* _ASM_NIOS2_TLB_H */