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Implement unified PTE accessors and management helpers
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This commit is contained in:
Aiken Harris
2025-10-30 20:14:02 +01:00
parent 0120ba167f
commit ffa480d69a
4 changed files with 810 additions and 9 deletions
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45
xtoskrnl/includes/mm/i686/pagemap.hh
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@@ -21,16 +21,33 @@ namespace MM
MMPAGEMAP_INFO PageMapInfo;
public:
VIRTUAL XTAPI PMMPTE AdvancePte(PMMPTE Pte,
ULONG Count) = 0;
XTAPI VOID ClearPte(PHARDWARE_PTE PtePointer);
XTAPI ULONG GetEmptyPteList(VOID);
VIRTUAL XTAPI ULONG_PTR GetNextEntry(PMMPTE Pte) = 0;
VIRTUAL XTAPI PMMPTE GetNextPte(PMMPTE Pte) = 0;
VIRTUAL XTAPI BOOLEAN GetOneEntry(PMMPTE Pte) = 0;
XTAPI PMMPDE GetPdeAddress(PVOID Address);
XTAPI ULONG GetPdeIndex(PVOID Address);
XTAPI PVOID GetPdeVirtualAddress(PMMPDE PdePointer);
XTAPI PMMPPE GetPpeAddress(PVOID Address);
XTAPI ULONG GetPpeIndex(PVOID Address);
XTAPI PVOID GetPpeVirtualAddress(PMMPPE PpePointer);
XTAPI PMMPTE GetPteAddress(PVOID Address);
virtual XTAPI VOID InitializePageMapInfo(VOID) = 0;
virtual XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer) = 0;
virtual XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
XTAPI ULONG GetPteIndex(PVOID Address);
VIRTUAL XTAPI ULONG GetPteSize(VOID) = 0;
XTAPI PVOID GetPteVirtualAddress(PMMPTE PtePointer);
VIRTUAL XTAPI VOID InitializePageMapInfo(VOID) = 0;
VIRTUAL XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer) = 0;
VIRTUAL XTAPI VOID SetNextEntry(PMMPTE Pte,
ULONG_PTR Value) = 0;
VIRTUAL XTAPI VOID SetOneEntry(PMMPTE Pte,
BOOLEAN Value) = 0;
VIRTUAL XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
PFN_NUMBER PageFrameNumber,
BOOLEAN Writable) = 0;
virtual XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
VIRTUAL XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
BOOLEAN CacheDisable,
BOOLEAN WriteThrough) = 0;
} PAGEMAP, *PPAGEMAP;
@@ -38,8 +55,18 @@ namespace MM
class PageMapBasic final : public PageMap
{
public:
XTAPI PMMPTE AdvancePte(PMMPTE Pte,
ULONG Count);
XTAPI ULONG_PTR GetNextEntry(PMMPTE Pte);
XTAPI PMMPTE GetNextPte(PMMPTE Pte);
XTAPI BOOLEAN GetOneEntry(PMMPTE Pte);
XTAPI ULONG GetPteSize(VOID);
XTAPI VOID InitializePageMapInfo(VOID);
XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer);
XTAPI VOID SetNextEntry(PMMPTE Pte,
ULONG_PTR Value);
XTAPI VOID SetOneEntry(PMMPTE Pte,
BOOLEAN Value);
XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
PFN_NUMBER PageFrameNumber,
BOOLEAN Writable);
@@ -51,8 +78,18 @@ namespace MM
class PageMapXpa final : public PageMap
{
public:
XTAPI PMMPTE AdvancePte(PMMPTE Pte,
ULONG Count);
XTAPI ULONG_PTR GetNextEntry(PMMPTE Pte);
XTAPI PMMPTE GetNextPte(PMMPTE Pte);
XTAPI BOOLEAN GetOneEntry(PMMPTE Pte);
XTAPI ULONG GetPteSize(VOID);
XTAPI VOID InitializePageMapInfo(VOID);
XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer);
XTAPI VOID SetNextEntry(PMMPTE Pte,
ULONG_PTR Value);
XTAPI VOID SetOneEntry(PMMPTE Pte,
BOOLEAN Value);
XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
PFN_NUMBER PageFrameNumber,
BOOLEAN Writable);