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