reactos/subsystems/mvdm/ntvdm/memory.h

   1 /*
   2  * COPYRIGHT:       GPLv2+ - See COPYING in the top level directory
   3  * PROJECT:         ReactOS Virtual DOS Machine
   4  * FILE:            memory.h
   5  * PURPOSE:         Memory Management
   6  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
   7  */
   8
   9 #ifndef _MEMORY_H_
  10 #define _MEMORY_H_
  11
  12 /* DEFINITIONS ****************************************************************/
  13
  14 #define TOTAL_PAGES (MAX_ADDRESS / PAGE_SIZE)
  15
  16 typedef VOID
  17 (WINAPI *PMEMORY_READ_HANDLER)
  18 (
  19     ULONG Address,
  20     PVOID Buffer,
  21     ULONG Size
  22 );
  23
  24 typedef BOOLEAN
  25 (WINAPI *PMEMORY_WRITE_HANDLER)
  26 (
  27     ULONG Address,
  28     PVOID Buffer,
  29     ULONG Size
  30 );
  31
  32 /* FUNCTIONS ******************************************************************/
  33
  34 BOOLEAN MemInitialize(VOID);
  35 VOID MemCleanup(VOID);
  36 VOID MemExceptionHandler(ULONG FaultAddress, BOOLEAN Writing);
  37
  38 VOID
  39 MemRead
  40 (
  41     ULONG Address,
  42     PVOID Buffer,
  43     ULONG Size
  44 );
  45
  46 VOID
  47 MemWrite
  48 (
  49     ULONG Address,
  50     PVOID Buffer,
  51     ULONG Size
  52 );
  53
  54 BOOL
  55 MemInstallFastMemoryHook
  56 (
  57     PVOID Address,
  58     ULONG Size,
  59     PMEMORY_READ_HANDLER ReadHandler,
  60     PMEMORY_WRITE_HANDLER WriteHandler
  61 );
  62
  63 BOOL
  64 MemRemoveFastMemoryHook
  65 (
  66     PVOID Address,
  67     ULONG Size
  68 );
  69
  70 BOOLEAN
  71 MemQueryMemoryZone
  72 (
  73     ULONG StartAddress,
  74     PULONG Length,
  75     PBOOLEAN Hooked
  76 );
  77
  78 #endif // _MEMORY_H_
  79
  80 /* EOF */