103 lines
4.3 KiB
C++
103 lines
4.3 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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VIRTUAL XTAPI PMMPTE AdvancePte(PMMPTE Pte,
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ULONG Count) = 0;
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XTAPI VOID ClearPte(PHARDWARE_PTE PtePointer);
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XTAPI ULONG GetEmptyPteList(VOID);
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VIRTUAL XTAPI ULONG_PTR GetNextEntry(PMMPTE Pte) = 0;
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VIRTUAL XTAPI PMMPTE GetNextPte(PMMPTE Pte) = 0;
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VIRTUAL XTAPI BOOLEAN GetOneEntry(PMMPTE Pte) = 0;
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XTAPI PMMPDE GetPdeAddress(PVOID Address);
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XTAPI ULONG GetPdeIndex(PVOID Address);
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XTAPI PVOID GetPdeVirtualAddress(PMMPDE PdePointer);
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XTAPI PMMPPE GetPpeAddress(PVOID Address);
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XTAPI ULONG GetPpeIndex(PVOID Address);
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XTAPI PVOID GetPpeVirtualAddress(PMMPPE PpePointer);
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XTAPI PMMPTE GetPteAddress(PVOID Address);
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XTAPI ULONG GetPteIndex(PVOID Address);
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VIRTUAL XTAPI ULONG GetPteSize(VOID) = 0;
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XTAPI PVOID GetPteVirtualAddress(PMMPTE PtePointer);
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VIRTUAL XTAPI VOID InitializePageMapInfo(VOID) = 0;
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VIRTUAL XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer) = 0;
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VIRTUAL XTAPI VOID SetNextEntry(PMMPTE Pte,
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ULONG_PTR Value) = 0;
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VIRTUAL XTAPI VOID SetOneEntry(PMMPTE Pte,
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BOOLEAN Value) = 0;
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VIRTUAL XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
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PFN_NUMBER PageFrameNumber,
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BOOLEAN Writable) = 0;
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VIRTUAL XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
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BOOLEAN CacheDisable,
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BOOLEAN WriteThrough) = 0;
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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 PMMPTE AdvancePte(PMMPTE Pte,
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ULONG Count);
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XTAPI ULONG_PTR GetNextEntry(PMMPTE Pte);
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XTAPI PMMPTE GetNextPte(PMMPTE Pte);
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XTAPI BOOLEAN GetOneEntry(PMMPTE Pte);
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XTAPI ULONG GetPteSize(VOID);
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XTAPI VOID InitializePageMapInfo(VOID);
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XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer);
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XTAPI VOID SetNextEntry(PMMPTE Pte,
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ULONG_PTR Value);
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XTAPI VOID SetOneEntry(PMMPTE Pte,
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BOOLEAN Value);
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XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
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PFN_NUMBER PageFrameNumber,
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BOOLEAN Writable);
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XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
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BOOLEAN CacheDisable,
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BOOLEAN WriteThrough);
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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 PMMPTE AdvancePte(PMMPTE Pte,
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ULONG Count);
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XTAPI ULONG_PTR GetNextEntry(PMMPTE Pte);
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XTAPI PMMPTE GetNextPte(PMMPTE Pte);
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XTAPI BOOLEAN GetOneEntry(PMMPTE Pte);
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XTAPI ULONG GetPteSize(VOID);
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XTAPI VOID InitializePageMapInfo(VOID);
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XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer);
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XTAPI VOID SetNextEntry(PMMPTE Pte,
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ULONG_PTR Value);
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XTAPI VOID SetOneEntry(PMMPTE Pte,
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BOOLEAN Value);
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XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
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PFN_NUMBER PageFrameNumber,
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BOOLEAN Writable);
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XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
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BOOLEAN CacheDisable,
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BOOLEAN WriteThrough);
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};
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}
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#endif /* __XTOSKRNL_MM_PAGEMAP_HH */
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