Migrate MM subsystem to C++

2025-09-15 22:15:07 +02:00
parent 3e097c260d
commit 404595801d
26 changed files with 919 additions and 487 deletions
--- a/xtoskrnl/includes/mm/paging.hh
+++ b/xtoskrnl/includes/mm/paging.hh
@@ -0,0 +1,47 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/mm/paging.hh
+ * DESCRIPTION:     Low level page management support
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_MM_PAGING_HH
+#define __XTOSKRNL_MM_PAGING_HH
+
+#include <xtos.hh>
+
+
+/* Memory Manager */
+namespace MM
+{
+    class Paging
+    {
+        private:
+            STATIC PPAGEMAP PmlRoutines;
+
+        public:
+            STATIC XTAPI VOID ClearPte(PHARDWARE_PTE PtePointer);
+            STATIC XTAPI VOID FlushTlb(VOID);
+            STATIC XTAPI PMMPDE GetPdeAddress(PVOID Address);
+            STATIC XTAPI PMMPPE GetPpeAddress(PVOID Address);
+            STATIC XTAPI PMMPTE GetPteAddress(PVOID Address);
+            STATIC XTAPI VOID InitializePageMapSupport(VOID);
+            STATIC XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer);
+            STATIC XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
+                                     PFN_NUMBER PageFrameNumber,
+                                     BOOLEAN Writable);
+            STATIC XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
+                                            BOOLEAN CacheDisable,
+                                            BOOLEAN WriteThrough);
+            STATIC XTFASTCALL VOID ZeroPages(IN PVOID Address,
+                                             IN ULONG Size);
+
+        private:
+            STATIC XTAPI BOOLEAN GetExtendedPhysicalAddressingStatus(VOID);
+            STATIC XTAPI PPAGEMAP GetPageMapBasicRoutines(VOID);
+            STATIC XTAPI PPAGEMAP GetPageMapXpaRoutines(VOID);
+    };
+}
+
+#endif /* __XTOSKRNL_MM_PAGING_HH */