Add GetPageFrameNumber() to PTE interfaces

xtoskrnl/includes/mm/amd64/pagemap.hh

@@ -31,6 +31,7 @@ namespace MM
             XTAPI PMMP5E GetP5eAddress(IN PVOID Address);
             XTAPI ULONG GetP5eIndex(IN PVOID Address);
             XTAPI PVOID GetP5eVirtualAddress(IN PMMP5E P5ePointer);
+            XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
             XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
             XTAPI ULONG GetPdeIndex(IN PVOID Address);
             XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);

xtoskrnl/includes/mm/i686/pagemap.hh

@@ -28,6 +28,7 @@ namespace MM
             VIRTUAL XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte) = 0;
             VIRTUAL XTAPI PMMPTE GetNextPte(IN PMMPTE Pte) = 0;
             VIRTUAL XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte) = 0;
+            VIRTUAL XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte) = 0;
             XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
             XTAPI ULONG GetPdeIndex(IN PVOID Address);
             XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
@@ -60,6 +61,7 @@ namespace MM
             XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
             XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
             XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
+            XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
             XTAPI ULONG GetPteSize(VOID);
             XTAPI VOID InitializePageMapInfo(VOID);
             XTAPI BOOLEAN PteValid(IN PMMPTE PtePointer);
@@ -83,6 +85,7 @@ namespace MM
             XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
             XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
             XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
+            XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
             XTAPI ULONG GetPteSize(VOID);
             XTAPI VOID InitializePageMapInfo(VOID);
             XTAPI BOOLEAN PteValid(IN PMMPTE PtePointer);

xtoskrnl/includes/mm/paging.hh

@@ -30,6 +30,7 @@ namespace MM
             STATIC XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
             STATIC XTAPI PMMPTE GetNextPte(IN PMMPTE Pte);
             STATIC XTAPI BOOLEAN GetOneEntry(IN PMMPTE Pte);
+            STATIC XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
             STATIC XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
             STATIC XTAPI PMMPPE GetPpeAddress(IN PVOID Address);
             STATIC XTAPI PMMPTE GetPteAddress(IN PVOID Address);

xtoskrnl/mm/amd64/pagemap.cc

@@ -173,6 +173,23 @@ MM::PageMap::GetP5eVirtualAddress(IN PMMP5E P5ePointer)
     return (PVOID)((((LONGLONG)P5ePointer << 61) >> 16) * PageMapInfo.Xpa);
 }
 
+/**
+ * Gets the page frame number from a corresponding PTE.
+ *
+ * @param Pte
+ *        The PTE pointer to get the page frame number from.
+ *
+ * @return This routine returns the page frame number.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+PFN_NUMBER
+MM::PageMap::GetPageFrameNumber(IN PMMPTE Pte)
+{
+    return Pte->Hardware.PageFrameNumber;
+}
+
 /**
  * Gets the address of the PDE (Page Directory Entry), that maps given address.
  *

xtoskrnl/mm/i686/pagemap.cc

@@ -286,6 +286,23 @@ MM::PageMapBasic::GetOneEntry(IN PMMPTE Pte)
     return Pte->Pml2.List.OneEntry;
 }
 
+/**
+ * Gets the page frame number from a corresponding PTE.
+ *
+ * @param Pte
+ *        The PTE pointer to get the page frame number from.
+ *
+ * @return This routine returns the page frame number.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+PFN_NUMBER
+MM::PageMapBasic::GetPageFrameNumber(IN PMMPTE Pte)
+{
+    return Pte->Pml2.Hardware.PageFrameNumber;
+}
+
 /**
  * Gets the size of a PTE for basic paging (PML2).
  *
@@ -520,6 +537,23 @@ MM::PageMapXpa::GetOneEntry(IN PMMPTE Pte)
     return Pte->Pml3.List.OneEntry;
 }
 
+/**
+ * Gets the page frame number from a corresponding PTE.
+ *
+ * @param Pte
+ *        The PTE pointer to get the page frame number from.
+ *
+ * @return This routine returns the page frame number.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+PFN_NUMBER
+MM::PageMapBasic::GetPageFrameNumber(IN PMMPTE Pte)
+{
+    return Pte->Pml3.Hardware.PageFrameNumber;
+}
+
 /**
  * Gets the size of a PTE for XPA paging (PML3).
  *

xtoskrnl/mm/paging.cc

@@ -170,6 +170,23 @@ MM::Paging::GetOneEntry(IN PMMPTE Pte)
     return PmlRoutines->GetOneEntry(Pte);
 }
 
+/**
+ * Gets the page frame number from a corresponding PTE.
+ *
+ * @param Pte
+ *        The PTE pointer to get the page frame number from.
+ *
+ * @return This routine returns the page frame number.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+PFN_NUMBER
+MM::Paging::GetPageFrameNumber(IN PMMPTE Pte)
+{
+    return PmlRoutines->GetPageFrameNumber(Pte);
+}
+
 /**
  * Gets the page map routines for basic paging mode (non-XPA).
  *