src/system/kernel/arch/m68k/paging/m68k_physical_page_mapper.h

   1 /*
   2  * Copyright 2008-2010, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef KERNEL_ARCH_M68K_PAGING_M68K_PHYSICAL_PAGE_MAPPER_H
   6 #define KERNEL_ARCH_M68K_PAGING_M68K_PHYSICAL_PAGE_MAPPER_H
   7
   8
   9 #include <vm/VMTranslationMap.h>
  10
  11
  12 struct kernel_args;
  13 struct vm_translation_map_ops;
  14
  15
  16 class TranslationMapPhysicalPageMapper {
  17 public:
  18         virtual                                         ~TranslationMapPhysicalPageMapper();
  19
  20         virtual void                            Delete() = 0;
  21
  22         virtual void*                           GetPageTableAt(phys_addr_t physicalAddress) = 0;
  23                 // Must be invoked with thread pinned to current CPU.
  24 };
  25
  26
  27 class M68KPhysicalPageMapper : public VMPhysicalPageMapper {
  28 public:
  29         virtual                                         ~M68KPhysicalPageMapper();
  30
  31         virtual status_t                        CreateTranslationMapPhysicalPageMapper(
  32                                                                         TranslationMapPhysicalPageMapper** _mapper)
  33                                                                                 = 0;
  34
  35         virtual void*                           InterruptGetPageTableAt(
  36                                                                         phys_addr_t physicalAddress) = 0;
  37 };
  38
  39
  40 #endif  // KERNEL_ARCH_M68K_PAGING_M68K_PHYSICAL_PAGE_MAPPER_H