src/system/kernel/arch/m68k/paging/040/M68KVMTranslationMap040.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_M68K_PAGING_040_M68K_VM_TRANSLATION_MAP_040_H
   6 #define KERNEL_ARCH_M68K_PAGING_040_M68K_VM_TRANSLATION_MAP_040_H
   7
   8
   9 #include "paging/M68KVMTranslationMap.h"
  10
  11 struct M68KPagingStructures040;
  12
  13
  14 struct M68KVMTranslationMap040 : M68KVMTranslationMap {
  15                                                                 M68KVMTranslationMap040();
  16         virtual                                         ~M68KVMTranslationMap040();
  17
  18                         status_t                        Init(bool kernel);
  19
  20         virtual size_t                          MaxPagesNeededToMap(addr_t start,
  21                                                                         addr_t end) const;
  22
  23         virtual status_t                        Map(addr_t virtualAddress,
  24                                                                         phys_addr_t physicalAddress,
  25                                                                         uint32 attributes, uint32 memoryType,
  26                                                                         vm_page_reservation* reservation);
  27         virtual status_t                        Unmap(addr_t start, addr_t end);
  28
  29         virtual status_t                        UnmapPage(VMArea* area, addr_t address,
  30                                                                         bool updatePageQueue);
  31         virtual void                            UnmapPages(VMArea* area, addr_t base,
  32                                                                         size_t size, bool updatePageQueue);
  33         virtual void                            UnmapArea(VMArea* area,
  34                                                                         bool deletingAddressSpace,
  35                                                                         bool ignoreTopCachePageFlags);
  36
  37         virtual status_t                        Query(addr_t virtualAddress,
  38                                                                         phys_addr_t* _physicalAddress,
  39                                                                         uint32* _flags);
  40         virtual status_t                        QueryInterrupt(addr_t virtualAddress,
  41                                                                         phys_addr_t* _physicalAddress,
  42                                                                         uint32* _flags);
  43
  44         virtual status_t                        Protect(addr_t base, addr_t top,
  45                                                                         uint32 attributes, uint32 memoryType);
  46
  47         virtual status_t                        ClearFlags(addr_t virtualAddress,
  48                                                                         uint32 flags);
  49
  50         virtual bool                            ClearAccessedAndModified(
  51                                                                         VMArea* area, addr_t address,
  52                                                                         bool unmapIfUnaccessed,
  53                                                                         bool& _modified);
  54
  55         virtual M68KPagingStructures* PagingStructures() const;
  56         inline  M68KPagingStructures040* PagingStructures040() const
  57                                                                         { return fPagingStructures; }
  58
  59         void*                                           MapperGetPageTableAt(
  60                                                                         phys_addr_t physicalAddress,
  61                                                                         bool indirect=false);
  62
  63 private:
  64                         M68KPagingStructures040* fPagingStructures;
  65 };
  66
  67
  68 #endif  // KERNEL_ARCH_M68K_PAGING_040_M68K_VM_TRANSLATION_MAP_040_H