src/system/kernel/arch/x86/paging/64bit/X86VMTranslationMap64Bit.h

   1 /*
   2  * Copyright 2012, Alex Smith, alex@alex-smith.me.uk.
   3  * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
   4  * Distributed under the terms of the MIT License.
   5  */
   6 #ifndef KERNEL_ARCH_X86_PAGING_64BIT_X86_VM_TRANSLATION_MAP_64BIT_H
   7 #define KERNEL_ARCH_X86_PAGING_64BIT_X86_VM_TRANSLATION_MAP_64BIT_H
   8
   9
  10 #include "paging/X86VMTranslationMap.h"
  11
  12
  13 struct X86PagingStructures64Bit;
  14
  15
  16 struct X86VMTranslationMap64Bit final : X86VMTranslationMap {
  17                                                                 X86VMTranslationMap64Bit();
  18         virtual                                         ~X86VMTranslationMap64Bit();
  19
  20                         status_t                        Init(bool kernel);
  21
  22         virtual size_t                          MaxPagesNeededToMap(addr_t start,
  23                                                                         addr_t end) const;
  24
  25         virtual status_t                        Map(addr_t virtualAddress,
  26                                                                         phys_addr_t physicalAddress,
  27                                                                         uint32 attributes, uint32 memoryType,
  28                                                                         vm_page_reservation* reservation);
  29         virtual status_t                        Unmap(addr_t start, addr_t end);
  30
  31         virtual status_t                        DebugMarkRangePresent(addr_t start, addr_t end,
  32                                                                         bool markPresent);
  33
  34         virtual status_t                        UnmapPage(VMArea* area, addr_t address,
  35                                                                         bool updatePageQueue);
  36         virtual void                            UnmapPages(VMArea* area, addr_t base,
  37                                                                         size_t size, bool updatePageQueue);
  38         virtual void                            UnmapArea(VMArea* area,
  39                                                                         bool deletingAddressSpace,
  40                                                                         bool ignoreTopCachePageFlags);
  41
  42         virtual status_t                        Query(addr_t virtualAddress,
  43                                                                         phys_addr_t* _physicalAddress,
  44                                                                         uint32* _flags);
  45         virtual status_t                        QueryInterrupt(addr_t virtualAddress,
  46                                                                         phys_addr_t* _physicalAddress,
  47                                                                         uint32* _flags);
  48
  49         virtual status_t                        Protect(addr_t base, addr_t top,
  50                                                                         uint32 attributes, uint32 memoryType);
  51
  52         virtual status_t                        ClearFlags(addr_t virtualAddress,
  53                                                                         uint32 flags);
  54
  55         virtual bool                            ClearAccessedAndModified(
  56                                                                         VMArea* area, addr_t address,
  57                                                                         bool unmapIfUnaccessed,
  58                                                                         bool& _modified);
  59
  60         virtual X86PagingStructures* PagingStructures() const;
  61         inline  X86PagingStructures64Bit* PagingStructures64Bit() const
  62                                                                         { return fPagingStructures; }
  63
  64 private:
  65                         X86PagingStructures64Bit* fPagingStructures;
  66 };
  67
  68
  69 #endif  // KERNEL_ARCH_X86_PAGING_64BIT_X86_VM_TRANSLATION_MAP_64BIT_H