47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/includes/mm/mmgr.hh
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* DESCRIPTION: Memory Manager
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_MM_MMGR_HH
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#define __XTOSKRNL_MM_MMGR_HH
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#include <xtos.hh>
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/* Memory Manager */
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namespace MM
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{
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class Manager
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{
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private:
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STATIC MMMEMORY_LAYOUT MemoryLayout;
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STATIC PFN_NUMBER NumberOfSystemPtes;
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STATIC PPHYSICAL_MEMORY_DESCRIPTOR PhysicalMemoryBlock;
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public:
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STATIC XTAPI ULONG_PTR GetInstalledMemorySize(VOID);
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STATIC XTAPI PMMMEMORY_LAYOUT GetMemoryLayout(VOID);
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STATIC XTAPI PFN_NUMBER GetNumberOfSystemPtes(VOID);
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STATIC XTAPI PPHYSICAL_MEMORY_DESCRIPTOR GetPhysicalMemoryBlock(VOID);
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STATIC XTAPI VOID InitializeMemoryLayout(VOID);
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STATIC XTAPI VOID InitializeMemoryManager(VOID);
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STATIC XTAPI BOOLEAN VerifyMemoryTypeFree(IN LOADER_MEMORY_TYPE MemoryType);
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STATIC XTAPI BOOLEAN VerifyMemoryTypeInvisible(IN LOADER_MEMORY_TYPE MemoryType);
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private:
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STATIC XTAPI VOID ComputeBootImageSize(OUT PPFN_NUMBER BootImageSize);
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STATIC XTAPI VOID ComputeMaximumNonPagedPoolSize(OUT PPFN_NUMBER PoolSize);
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STATIC XTAPI VOID ComputeNonPagedPoolSize(OUT PPFN_NUMBER PoolSize);
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STATIC XTAPI VOID ComputePagedPoolSize(OUT PPFN_NUMBER PoolSize);
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STATIC XTAPI VOID ComputeSessionSpaceSize(OUT PPFN_NUMBER SpaceSize);
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STATIC XTAPI VOID ComputeSystemPteSize(OUT PPFN_NUMBER PteSize);
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STATIC XTAPI VOID DumpMemoryLayout(VOID);
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};
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}
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#endif /* __XTOSKRNL_MM_MMGR_HH */
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