75 lines
2.8 KiB
C++
75 lines
2.8 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/pagemap.hh
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* DESCRIPTION: Low-level support for page map manipulation
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_MM_PAGEMAP_HH
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#define __XTOSKRNL_MM_PAGEMAP_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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typedef class PageMap
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{
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protected:
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MMPAGEMAP_INFO PageMapInfo;
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public:
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XTAPI PMMPTE AdvancePte(IN PMMPTE Pte,
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IN ULONG Count);
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XTAPI VOID ClearPte(IN PMMPTE PtePointer);
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XTAPI ULONGLONG GetEmptyPteList(VOID);
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XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
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XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
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XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
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XTAPI PMMP5E GetP5eAddress(IN PVOID Address);
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XTAPI ULONG GetP5eIndex(IN PVOID Address);
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XTAPI PVOID GetP5eVirtualAddress(IN PMMP5E P5ePointer);
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XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
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XTAPI ULONG GetPdeIndex(IN PVOID Address);
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XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
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XTAPI PMMPPE GetPpeAddress(IN PVOID Address);
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XTAPI ULONG GetPpeIndex(IN PVOID Address);
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XTAPI PVOID GetPpeVirtualAddress(IN PMMPPE PpePointer);
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XTAPI PMMPTE GetPteAddress(IN PVOID Address);
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XTAPI ULONG GetPteIndex(IN PVOID Address);
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XTAPI ULONG GetPteSize(VOID);
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XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer);
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XTAPI PMMPXE GetPxeAddress(IN PVOID Address);
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XTAPI ULONG GetPxeIndex(IN PVOID Address);
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XTAPI PVOID GetPxeVirtualAddress(IN PMMPXE PxePointer);
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VIRTUAL XTAPI VOID InitializePageMapInfo(VOID) = 0;
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XTAPI BOOLEAN PteValid(IN PMMPTE PtePointer);
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XTAPI VOID SetNextEntry(IN PMMPTE Pte,
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IN ULONG_PTR Value);
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XTAPI VOID SetOneEntry(IN PMMPTE Pte,
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IN BOOLEAN Value);
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XTAPI VOID SetPte(IN PMMPTE PtePointer,
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IN PFN_NUMBER PageFrameNumber,
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IN BOOLEAN Writable);
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XTAPI VOID SetPteCaching(IN PMMPTE PtePointer,
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IN BOOLEAN CacheDisable,
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IN BOOLEAN WriteThrough);
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} PAGEMAP, *PPAGEMAP;
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class PageMapBasic final : public PageMap
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{
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public:
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XTAPI VOID InitializePageMapInfo(VOID);
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};
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class PageMapXpa final : public PageMap
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{
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public:
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XTAPI VOID InitializePageMapInfo(VOID);
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};
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}
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#endif /* __XTOSKRNL_MM_PAGEMAP_HH */
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