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56 lines
1.0 KiB
56 lines
1.0 KiB
// $Header: G:/SwDev/WDM/Video/bt848/rcs/Pspagebl.h 1.7 1998/04/29 22:43:36 tomz Exp $
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#ifndef __PSPAGEBL_H
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#define __PSPAGEBL_H
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#ifndef __MYTYPES_H
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#include "mytypes.h"
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#endif
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#ifndef __PHYSADDR_H
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#include "physaddr.h"
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#endif
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// unlike things in ks.h, this is a real forward declaration
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extern PVOID gpHwDeviceExtension;
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/* Class: PsPageBlock
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* Purpose: Encapsulates memory allocations for the data buffers and RISC programs
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*/
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class PsPageBlock
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{
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protected:
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DWORD PhysAddr_;
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PVOID LinAddr_;
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void AllocateSpace( DWORD dwSize );
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void FreeSpace();
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public:
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PsPageBlock( DWORD dwSize );
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~PsPageBlock();
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DWORD GetPhysAddr();
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DWORD getLinearBase();
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};
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inline PsPageBlock::PsPageBlock( DWORD dwSize )
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{
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AllocateSpace( dwSize );
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}
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inline PsPageBlock::~PsPageBlock()
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{
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FreeSpace();
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}
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inline DWORD PsPageBlock::GetPhysAddr()
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{
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return PhysAddr_;
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}
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inline DWORD PsPageBlock::getLinearBase()
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{
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return (DWORD)LinAddr_;
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}
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#endif
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