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Replace ULONG with PFN_COUNT in system PTE variables
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This commit is contained in:
Aiken Harris
2026-01-05 16:48:26 +01:00
parent e66baa0da0
commit 410286d012
4 changed files with 19 additions and 18 deletions
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12
xtoskrnl/includes/mm/amd64/pte.hh
View File

@@ -22,12 +22,12 @@ namespace MM
STATIC PMMPTE SystemPteBase; STATIC PMMPTE SystemPteBase;
STATIC PMMPTE SystemPtesEnd[MaximumPtePoolTypes]; STATIC PMMPTE SystemPtesEnd[MaximumPtePoolTypes];
STATIC PMMPTE SystemPtesStart[MaximumPtePoolTypes]; STATIC PMMPTE SystemPtesStart[MaximumPtePoolTypes];
STATIC ULONG TotalSystemFreePtes[MaximumPtePoolTypes]; STATIC PFN_COUNT TotalSystemFreePtes[MaximumPtePoolTypes];
STATIC MMPTE ValidPte; STATIC MMPTE ValidPte;
public: public:
STATIC XTAPI BOOLEAN AddressValid(IN PVOID VirtualAddress); STATIC XTAPI BOOLEAN AddressValid(IN PVOID VirtualAddress);
STATIC XTAPI ULONG GetPtesPerPage(VOID); STATIC XTAPI PFN_COUNT GetPtesPerPage(VOID);
STATIC XTAPI PMMPTE GetSystemPteBaseAddress(VOID); STATIC XTAPI PMMPTE GetSystemPteBaseAddress(VOID);
STATIC XTAPI PMMPTE GetValidPte(VOID); STATIC XTAPI PMMPTE GetValidPte(VOID);
STATIC XTAPI VOID InitializePageTable(VOID); STATIC XTAPI VOID InitializePageTable(VOID);
@@ -49,19 +49,19 @@ namespace MM
PVOID EndAddress, PVOID EndAddress,
PMMPXE TemplatePxe); PMMPXE TemplatePxe);
STATIC XTAPI VOID ReleaseSystemPtes(IN PMMPTE StartingPte, STATIC XTAPI VOID ReleaseSystemPtes(IN PMMPTE StartingPte,
IN ULONG NumberOfPtes, IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType); IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType);
STATIC XTAPI PMMPTE ReserveSystemPtes(IN ULONG NumberOfPtes, STATIC XTAPI PMMPTE ReserveSystemPtes(IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType); IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType);
private: private:
STATIC XTAPI BOOLEAN FindFreeCluster(IN ULONG NumberOfPtes, STATIC XTAPI BOOLEAN FindFreeCluster(IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType, IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType,
OUT PMMPTE *FoundCluster, OUT PMMPTE *FoundCluster,
OUT PMMPTE *PreviousClusterNode); OUT PMMPTE *PreviousClusterNode);
STATIC XTAPI ULONG GetClusterSize(IN PMMPTE Pte); STATIC XTAPI ULONG GetClusterSize(IN PMMPTE Pte);
STATIC XTAPI VOID InitializeSystemPtePool(IN PMMPTE StartingPte, STATIC XTAPI VOID InitializeSystemPtePool(IN PMMPTE StartingPte,
IN ULONG NumberOfPtes, IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE PoolType); IN MMSYSTEM_PTE_POOL_TYPE PoolType);
}; };
} }

12
xtoskrnl/includes/mm/i686/pte.hh
View File

@@ -22,12 +22,12 @@ namespace MM
STATIC PMMPTE SystemPteBase; STATIC PMMPTE SystemPteBase;
STATIC PMMPTE SystemPtesEnd[MaximumPtePoolTypes]; STATIC PMMPTE SystemPtesEnd[MaximumPtePoolTypes];
STATIC PMMPTE SystemPtesStart[MaximumPtePoolTypes]; STATIC PMMPTE SystemPtesStart[MaximumPtePoolTypes];
STATIC ULONG TotalSystemFreePtes[MaximumPtePoolTypes]; STATIC PFN_COUNT TotalSystemFreePtes[MaximumPtePoolTypes];
STATIC MMPTE ValidPte; STATIC MMPTE ValidPte;
public: public:
STATIC XTAPI BOOLEAN AddressValid(IN PVOID VirtualAddress); STATIC XTAPI BOOLEAN AddressValid(IN PVOID VirtualAddress);
STATIC XTAPI ULONG GetPtesPerPage(VOID); STATIC XTAPI PFN_COUNT GetPtesPerPage(VOID);
STATIC XTAPI PMMPTE GetSystemPteBaseAddress(VOID); STATIC XTAPI PMMPTE GetSystemPteBaseAddress(VOID);
STATIC XTAPI PMMPTE GetValidPte(VOID); STATIC XTAPI PMMPTE GetValidPte(VOID);
STATIC XTAPI VOID InitializePageTable(VOID); STATIC XTAPI VOID InitializePageTable(VOID);
@@ -43,19 +43,19 @@ namespace MM
PVOID EndAddress, PVOID EndAddress,
PMMPTE TemplatePte); PMMPTE TemplatePte);
STATIC XTAPI VOID ReleaseSystemPtes(IN PMMPTE StartingPte, STATIC XTAPI VOID ReleaseSystemPtes(IN PMMPTE StartingPte,
IN ULONG NumberOfPtes, IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType); IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType);
STATIC XTAPI PMMPTE ReserveSystemPtes(IN ULONG NumberOfPtes, STATIC XTAPI PMMPTE ReserveSystemPtes(IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType); IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType);
private: private:
STATIC XTAPI BOOLEAN FindFreeCluster(IN ULONG NumberOfPtes, STATIC XTAPI BOOLEAN FindFreeCluster(IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType, IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType,
OUT PMMPTE *FoundCluster, OUT PMMPTE *FoundCluster,
OUT PMMPTE *PreviousClusterNode); OUT PMMPTE *PreviousClusterNode);
STATIC XTAPI ULONG GetClusterSize(IN PMMPTE Pte); STATIC XTAPI ULONG GetClusterSize(IN PMMPTE Pte);
STATIC XTAPI VOID InitializeSystemPtePool(IN PMMPTE StartingPte, STATIC XTAPI VOID InitializeSystemPtePool(IN PMMPTE StartingPte,
IN ULONG NumberOfPtes, IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE PoolType); IN MMSYSTEM_PTE_POOL_TYPE PoolType);
}; };
} }

2
xtoskrnl/mm/data.cc
View File

@@ -107,7 +107,7 @@ PMMPTE MM::Pte::SystemPtesEnd[MaximumPtePoolTypes];
PMMPTE MM::Pte::SystemPtesStart[MaximumPtePoolTypes]; PMMPTE MM::Pte::SystemPtesStart[MaximumPtePoolTypes];
/* Total count of available System PTEs */ /* Total count of available System PTEs */
ULONG MM::Pte::TotalSystemFreePtes[MaximumPtePoolTypes]; PFN_COUNT MM::Pte::TotalSystemFreePtes[MaximumPtePoolTypes];
/* Template PTE entry containing standard flags for a valid, present kernel page */ /* Template PTE entry containing standard flags for a valid, present kernel page */
MMPTE MM::Pte::ValidPte; MMPTE MM::Pte::ValidPte;

11
xtoskrnl/mm/pte.cc
View File

@@ -30,7 +30,7 @@
*/ */
XTAPI XTAPI
BOOLEAN BOOLEAN
MM::Pte::FindFreeCluster(IN ULONG NumberOfPtes, MM::Pte::FindFreeCluster(IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType, IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType,
OUT PMMPTE *FoundCluster, OUT PMMPTE *FoundCluster,
OUT PMMPTE *PreviousClusterNode) OUT PMMPTE *PreviousClusterNode)
@@ -97,7 +97,7 @@ MM::Pte::GetClusterSize(IN PMMPTE Pte)
* @since XT 1.0 * @since XT 1.0
*/ */
XTAPI XTAPI
ULONG PFN_COUNT
MM::Pte::GetPtesPerPage(VOID) MM::Pte::GetPtesPerPage(VOID)
{ {
/* Calculate and return the number of PTEs per page */ /* Calculate and return the number of PTEs per page */
@@ -138,7 +138,7 @@ MM::Pte::GetValidPte()
XTAPI XTAPI
VOID VOID
MM::Pte::InitializeSystemPtePool(IN PMMPTE StartingPte, MM::Pte::InitializeSystemPtePool(IN PMMPTE StartingPte,
IN ULONG NumberOfPtes, IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE PoolType) IN MMSYSTEM_PTE_POOL_TYPE PoolType)
{ {
/* Set the system PTE base address */ /* Set the system PTE base address */
@@ -293,6 +293,7 @@ MM::Pte::MapPTE(PVOID StartAddress,
} }
} }
/** /**
* Releases a block of system PTEs into a specified pool. * Releases a block of system PTEs into a specified pool.
* *
@@ -312,7 +313,7 @@ MM::Pte::MapPTE(PVOID StartAddress,
XTAPI XTAPI
VOID VOID
MM::Pte::ReleaseSystemPtes(IN PMMPTE StartingPte, MM::Pte::ReleaseSystemPtes(IN PMMPTE StartingPte,
IN ULONG NumberOfPtes, IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType) IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType)
{ {
PMMPTE NextPte, PreviousPte, ReleasedPte; PMMPTE NextPte, PreviousPte, ReleasedPte;
@@ -428,7 +429,7 @@ MM::Pte::ReleaseSystemPtes(IN PMMPTE StartingPte,
*/ */
XTAPI XTAPI
PMMPTE PMMPTE
MM::Pte::ReserveSystemPtes(IN ULONG NumberOfPtes, MM::Pte::ReserveSystemPtes(IN PFN_COUNT NumberOfPtes,
IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType) IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType)
{ {
PMMPTE NextPte, PreviousPte, ReservedPte; PMMPTE NextPte, PreviousPte, ReservedPte;