76 lines
3.4 KiB
C++
76 lines
3.4 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/i686/paging.hh
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* DESCRIPTION: Low level page management support for i686
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_MM_I686_PAGING_HH
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#define __XTOSKRNL_MM_I686_PAGING_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 Paging
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{
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private:
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STATIC PPAGEMAP PmlRoutines;
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public:
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STATIC XTAPI PMMPTE AdvancePte(IN PMMPTE Pte,
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IN LONG Count);
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STATIC XTAPI VOID ClearPte(IN PMMPTE PtePointer);
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STATIC XTAPI VOID FlushTlb(VOID);
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STATIC XTAPI ULONG_PTR GetEmptyPteList(VOID);
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STATIC XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
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STATIC XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
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STATIC XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
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STATIC XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
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STATIC XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
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STATIC XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
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STATIC XTAPI PMMPPE GetPpeAddress(IN PVOID Address);
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STATIC XTAPI PVOID GetPpeVirtualAddress(IN PMMPPE PpePointer);
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STATIC XTAPI ULONG_PTR GetPte(IN PMMPTE PtePointer);
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STATIC XTAPI PMMPTE GetPteAddress(IN PVOID Address);
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STATIC XTAPI LONG GetPteDistance(PMMPTE EndPte,
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PMMPTE StartPte);
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STATIC XTAPI ULONG GetPteSize(VOID);
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STATIC XTAPI ULONG GetPteSoftwareProtection(IN PMMPTE PtePointer);
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STATIC XTAPI ULONG GetPteSoftwarePrototype(IN PMMPTE PtePointer);
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STATIC XTAPI ULONG GetPteSoftwareTransition(IN PMMPTE PtePointer);
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STATIC XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer);
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STATIC XTAPI BOOLEAN GetXpaStatus(VOID);
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STATIC XTAPI VOID InitializePageMapSupport(VOID);
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STATIC XTAPI BOOLEAN PteValid(IN PMMPTE PtePointer);
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STATIC XTAPI VOID SetNextEntry(IN PMMPTE Pte,
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IN ULONG_PTR Value);
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STATIC XTAPI VOID SetOneEntry(IN PMMPTE Pte,
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IN BOOLEAN Value);
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STATIC XTAPI VOID SetPte(IN PMMPTE PtePointer,
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IN PFN_NUMBER PageFrameNumber,
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IN ULONG_PTR AttributesMask);
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STATIC XTAPI VOID SetPte(IN PMMPTE PtePointer,
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IN ULONG_PTR Attributes);
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STATIC XTAPI VOID SetPteCaching(IN PMMPTE PtePointer,
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IN BOOLEAN CacheDisable,
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IN BOOLEAN WriteThrough);
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STATIC XTAPI VOID WritePte(IN PMMPTE Pte,
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IN MMPTE Value);
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STATIC XTAPI VOID TransitionPte(IN PMMPTE PointerPte,
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IN ULONG_PTR Protection);
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STATIC XTFASTCALL VOID ZeroPages(IN PVOID Address,
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IN ULONG Size);
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private:
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STATIC XTAPI BOOLEAN GetExtendedPhysicalAddressingStatus(VOID);
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STATIC XTAPI PPAGEMAP GetPageMapBasicRoutines(VOID);
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STATIC XTAPI PPAGEMAP GetPageMapXpaRoutines(VOID);
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};
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}
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#endif /* __XTOSKRNL_MM_I686_PAGING_HH */
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