src/system/kernel/arch/arm/paging/arm_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_ARM_PAGING_ARM_PHYSICAL_PAGE_MAPPER_H
   6 #define KERNEL_ARCH_ARM_PAGING_ARM_PHYSICAL_PAGE_MAPPER_H
   7
   8
   9 #include <vm/VMTranslationMap.h>
  10
  11
  12 struct kernel_args;
  13
  14
  15 class TranslationMapPhysicalPageMapper {
  16 public:
  17         virtual                                         ~TranslationMapPhysicalPageMapper() { }
  18
  19         virtual void                            Delete() = 0;
  20
  21         virtual void*                           GetPageTableAt(phys_addr_t physicalAddress) = 0;
  22                 // Must be invoked with thread pinned to current CPU.
  23 };
  24
  25
  26 class ARMPhysicalPageMapper : public VMPhysicalPageMapper {
  27 public:
  28         virtual status_t                        CreateTranslationMapPhysicalPageMapper(
  29                                                                         TranslationMapPhysicalPageMapper** _mapper)
  30                                                                                 = 0;
  31
  32         virtual void*                           InterruptGetPageTableAt(
  33                                                                         phys_addr_t physicalAddress) = 0;
  34 };
  35
  36
  37 #endif  // KERNEL_ARCH_ARM_PAGING_ARM_PHYSICAL_PAGE_MAPPER_H