src/system/kernel/arch/x86/paging/pae/X86PagingStructuresPAE.h

   1 /*
   2  * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef KERNEL_ARCH_X86_PAGING_PAE_X86_PAGING_STRUCTURES_PAE_H
   6 #define KERNEL_ARCH_X86_PAGING_PAE_X86_PAGING_STRUCTURES_PAE_H
   7
   8
   9 #include "paging/pae/paging.h"
  10 #include "paging/X86PagingStructures.h"
  11
  12
  13 #if B_HAIKU_PHYSICAL_BITS == 64
  14
  15
  16 struct X86PagingStructuresPAE : X86PagingStructures {
  17                                                                 X86PagingStructuresPAE();
  18         virtual                                         ~X86PagingStructuresPAE();
  19
  20                         void                            Init(pae_page_directory_pointer_table_entry*
  21                                                                                 virtualPDPT,
  22                                                                          phys_addr_t physicalPDPT, void* pdptHandle,
  23                                                                          pae_page_directory_entry* const*
  24                                                                                 virtualPageDirs,
  25                                                                          const phys_addr_t* physicalPageDirs);
  26
  27         virtual void                            Delete();
  28
  29                         pae_page_directory_entry* const* VirtualPageDirs() const
  30                                                                         { return fVirtualPageDirs; }
  31
  32 private:
  33                         pae_page_directory_pointer_table_entry* fPageDirPointerTable;
  34                         void*                           fPageDirPointerTableHandle;
  35                         pae_page_directory_entry* fVirtualPageDirs[4];
  36                         phys_addr_t                     fPhysicalPageDirs[4];
  37 };
  38
  39
  40 #endif  // B_HAIKU_PHYSICAL_BITS == 64
  41
  42
  43 #endif  // KERNEL_ARCH_X86_PAGING_PAE_X86_PAGING_STRUCTURES_PAE_H