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Respect architecture-specific PTE layouts and write PTEs via PML-aware helpers
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This commit is contained in:
Aiken Harris
2025-12-22 00:07:48 +01:00
parent 24dccf4bed
commit 755a167f2c
8 changed files with 144 additions and 25 deletions
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11
xtoskrnl/includes/mm/i686/pagemap.hh
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@@ -23,7 +23,7 @@ namespace MM
public:
VIRTUAL XTAPI PMMPTE AdvancePte(IN PMMPTE Pte,
IN ULONG Count) = 0;
XTAPI VOID ClearPte(IN PMMPTE PtePointer);
VIRTUAL XTAPI VOID ClearPte(IN PMMPTE PtePointer) = 0;
XTAPI ULONG GetEmptyPteList(VOID);
VIRTUAL XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte) = 0;
VIRTUAL XTAPI PMMPTE GetNextPte(IN PMMPTE Pte) = 0;
@@ -54,6 +54,9 @@ namespace MM
VIRTUAL XTAPI VOID SetPteCaching(IN PMMPTE PtePointer,
IN BOOLEAN CacheDisable,
IN BOOLEAN WriteThrough) = 0;
VIRTUAL XTAPI VOID WritePte(IN PMMPTE Pte,
IN MMPTE Value) = 0;
} PAGEMAP, *PPAGEMAP;
class PageMapBasic final : public PageMap
@@ -61,6 +64,7 @@ namespace MM
public:
XTAPI PMMPTE AdvancePte(IN PMMPTE Pte,
IN ULONG Count);
XTAPI VOID ClearPte(IN PMMPTE PtePointer);
XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
@@ -82,6 +86,8 @@ namespace MM
XTAPI VOID SetPteCaching(IN PMMPTE PtePointer,
IN BOOLEAN CacheDisable,
IN BOOLEAN WriteThrough);
XTAPI VOID WritePte(IN PMMPTE Pte,
IN MMPTE Value);
};
class PageMapXpa final : public PageMap
@@ -89,6 +95,7 @@ namespace MM
public:
XTAPI PMMPTE AdvancePte(IN PMMPTE Pte,
IN ULONG Count);
XTAPI VOID ClearPte(IN PMMPTE PtePointer);
XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
@@ -110,6 +117,8 @@ namespace MM
XTAPI VOID SetPteCaching(IN PMMPTE PtePointer,
IN BOOLEAN CacheDisable,
IN BOOLEAN WriteThrough);
XTAPI VOID WritePte(IN PMMPTE Pte,
IN MMPTE Value);
};
}