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Refactor XPA detection API

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This commit is contained in:
Aiken Harris
2025-12-04 23:07:59 +01:00
parent 8054bb915a
commit c710ec4688
3 changed files with 18 additions and 18 deletions
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4
xtoskrnl/includes/mm/amd64/paging.hh
View File

@@ -26,13 +26,11 @@ namespace MM
STATIC XTAPI VOID ClearPte(IN PMMPTE PtePointer);
STATIC XTAPI VOID FlushTlb(VOID);
STATIC XTAPI ULONG_PTR GetEmptyPteList(VOID);
STATIC XTAPI BOOLEAN GetExtendedPhysicalAddressingStatus(VOID);
STATIC XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
STATIC XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
STATIC XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
STATIC XTAPI PMMPDE GetP5eAddress(IN PVOID Address);
STATIC XTAPI PVOID GetP5eVirtualAddress(IN PMMP5E P5ePointer);
STATIC XTAPI USHORT GetPageMapLevel();
STATIC XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
STATIC XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
STATIC XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
@@ -43,6 +41,7 @@ namespace MM
STATIC XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer);
STATIC XTAPI PMMPXE GetPxeAddress(IN PVOID Address);
STATIC XTAPI PVOID GetPxeVirtualAddress(IN PMMPXE PxePointer);
STATIC XTAPI BOOLEAN GetXpaStatus(VOID);
STATIC XTAPI VOID InitializePageMapSupport(VOID);
STATIC XTAPI BOOLEAN PteValid(IN PMMPTE PtePointer);
STATIC XTAPI VOID SetNextEntry(IN PMMPTE Pte,
@@ -59,6 +58,7 @@ namespace MM
IN ULONG Size);
private:
STATIC XTAPI BOOLEAN GetExtendedPhysicalAddressingStatus(VOID);
STATIC XTAPI PPAGEMAP GetPageMapBasicRoutines(VOID);
STATIC XTAPI PPAGEMAP GetPageMapXpaRoutines(VOID);
};

4
xtoskrnl/includes/mm/i686/paging.hh
View File

@@ -26,11 +26,9 @@ namespace MM
STATIC XTAPI VOID ClearPte(IN PMMPTE PtePointer);
STATIC XTAPI VOID FlushTlb(VOID);
STATIC XTAPI ULONG_PTR GetEmptyPteList(VOID);
STATIC XTAPI BOOLEAN GetExtendedPhysicalAddressingStatus(VOID);
STATIC XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
STATIC XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
STATIC XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
STATIC XTAPI USHORT GetPageMapLevel();
STATIC XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
STATIC XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
STATIC XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
@@ -39,6 +37,7 @@ namespace MM
STATIC XTAPI PMMPTE GetPteAddress(IN PVOID Address);
STATIC XTAPI ULONG GetPteSize(VOID);
STATIC XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer);
STATIC XTAPI BOOLEAN GetXpaStatus(VOID);
STATIC XTAPI VOID InitializePageMapSupport(VOID);
STATIC XTAPI BOOLEAN PteValid(IN PMMPTE PtePointer);
STATIC XTAPI VOID SetNextEntry(IN PMMPTE Pte,
@@ -55,6 +54,7 @@ namespace MM
IN ULONG Size);
private:
STATIC XTAPI BOOLEAN GetExtendedPhysicalAddressingStatus(VOID);
STATIC XTAPI PPAGEMAP GetPageMapBasicRoutines(VOID);
STATIC XTAPI PPAGEMAP GetPageMapXpaRoutines(VOID);
};

28
xtoskrnl/mm/paging.cc
View File

@@ -204,20 +204,6 @@ MM::Paging::GetPageMapBasicRoutines(VOID)
return &PageMapBasicRoutines;
}
/**
* Gets the current paging mode level.
*
* @return This routine returns 5 if 5-level paging (XPA) is enabled, otherwise 4 for 4-level paging.
*
* @since XT 1.0
*/
XTAPI
USHORT
MM::Paging::GetPageMapLevel()
{
return PmlRoutines->GetXpaStatus() ? 5 : 4;
}
/**
* Gets the page map routines for eXtended Physical Addressing (XPA) mode.
*
@@ -358,6 +344,20 @@ MM::Paging::GetPteVirtualAddress(IN PMMPTE PtePointer)
return PmlRoutines->GetPteVirtualAddress(PtePointer);
}
/**
* Gets current status of eXtended Physical Addressing (XPA).
*
* @return This routine returns TRUE if PAE or LA57 (XPA) is enabled, or FALSE otherwise.
*
* @since XT 1.0
*/
XTAPI
BOOLEAN
MM::Paging::GetXpaStatus()
{
return PmlRoutines->GetXpaStatus();
}
/**
* Detects if eXtended Physical Addressing (XPA) is enabled and initializes page map support.
*