Source code of Windows XP (NT5)
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#include "wdmmem.h"
#pragma PAGEDCODE
CMemory* CWDMMemory::create(VOID) { return new (NonPagedPool) CWDMMemory; }
#pragma PAGEDCODE
VOID* CWDMMemory::allocate(IN POOL_TYPE PoolType,IN SIZE_T NumberOfBytes) { if(!NumberOfBytes) return NULL; //return ::ExAllocatePool(PoolType,NumberOfBytes);
return ::ExAllocatePoolWithTag(PoolType,NumberOfBytes,'_GRU'); }
#pragma PAGEDCODE
VOID CWDMMemory::zero(IN PVOID pMem,IN SIZE_T size) { ::RtlZeroMemory(pMem,size); }
#pragma PAGEDCODE
VOID CWDMMemory::free(IN PVOID pMem) { ::ExFreePool((PVOID)pMem); }
#pragma PAGEDCODE
VOID CWDMMemory::copy(IN VOID UNALIGNED *Destination,IN CONST VOID UNALIGNED *Source, IN SIZE_T Length) { ::RtlCopyMemory(Destination,Source,Length); }
#pragma PAGEDCODE
PVOID CWDMMemory::mapIoSpace(IN PHYSICAL_ADDRESS PhysicalAddress,IN SIZE_T NumberOfBytes,IN MEMORY_CACHING_TYPE CacheType) { return ::MmMapIoSpace(PhysicalAddress,NumberOfBytes,CacheType); }
#pragma PAGEDCODE
VOID CWDMMemory::unmapIoSpace(IN PVOID BaseAddress,IN SIZE_T NumberOfBytes) { ::MmUnmapIoSpace (BaseAddress,NumberOfBytes); }
#pragma PAGEDCODE
VOID CWDMMemory::set(IN VOID UNALIGNED *Destination,IN SIZE_T Length,LONG Fill) { ::RtlFillMemory(Destination,Length,(UCHAR)Fill); }
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