reactos/subsystems/mvdm/ntvdm/memory.h

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/*
* COPYRIGHT: GPLv2+ - See COPYING in the top level directory
* PROJECT: ReactOS Virtual DOS Machine
* FILE: subsystems/mvdm/ntvdm/memory.h
* PURPOSE: Memory Management
* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
*/
#ifndef _MEMORY_H_
#define _MEMORY_H_
/* DEFINITIONS ****************************************************************/
#define TOTAL_PAGES (MAX_ADDRESS / PAGE_SIZE)
typedef VOID
(FASTCALL *PMEMORY_READ_HANDLER)
(
ULONG Address,
PVOID Buffer,
ULONG Size
);
typedef BOOLEAN
(FASTCALL *PMEMORY_WRITE_HANDLER)
(
ULONG Address,
PVOID Buffer,
ULONG Size
);
/* FUNCTIONS ******************************************************************/
BOOLEAN MemInitialize(VOID);
VOID MemCleanup(VOID);
VOID MemExceptionHandler(ULONG FaultAddress, BOOLEAN Writing);
VOID
FASTCALL
EmulatorReadMemory
(
PFAST486_STATE State,
ULONG Address,
PVOID Buffer,
ULONG Size
);
VOID
FASTCALL
EmulatorWriteMemory
(
PFAST486_STATE State,
ULONG Address,
PVOID Buffer,
ULONG Size
);
VOID
FASTCALL
EmulatorCopyMemory
(
PFAST486_STATE State,
ULONG DestAddress,
ULONG SrcAddress,
ULONG Size
);
VOID EmulatorSetA20(BOOLEAN Enabled);
BOOLEAN EmulatorGetA20(VOID);
BOOL
MemInstallFastMemoryHook
(
PVOID Address,
ULONG Size,
PMEMORY_READ_HANDLER ReadHandler,
PMEMORY_WRITE_HANDLER WriteHandler
);
BOOL
MemRemoveFastMemoryHook
(
PVOID Address,
ULONG Size
);
BOOLEAN
MemQueryMemoryZone
(
ULONG StartAddress,
PULONG Length,
PBOOLEAN Hooked
);
#endif /* _MEMORY_H_ */