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/amd64/pagemap.hh
+++ b/xtoskrnl/includes/mm/amd64/pagemap.hh
@@ -0,0 +1,53 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/mm/pagemap.hh
+ * DESCRIPTION:     Low-level support for page map manipulation
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_MM_PAGEMAP_HH
+#define __XTOSKRNL_MM_PAGEMAP_HH
+
+#include <xtos.hh>
+
+
+/* Memory Manager */
+namespace MM
+{
+    typedef class PageMap
+    {
+        protected:
+            MMPAGEMAP_INFO PageMapInfo;
+
+        public:
+            XTAPI VOID ClearPte(PHARDWARE_PTE PtePointer);
+            XTAPI PMMP5E GetP5eAddress(PVOID Address);
+            XTAPI PMMPDE GetPdeAddress(PVOID Address);
+            XTAPI PMMPPE GetPpeAddress(PVOID Address);
+            XTAPI PMMPTE GetPteAddress(PVOID Address);
+            XTAPI PMMPXE GetPxeAddress(PVOID Address);
+            virtual XTAPI VOID InitializePageMapInfo(VOID) = 0;
+            XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer);
+            XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
+                              PFN_NUMBER PageFrameNumber,
+                              BOOLEAN Writable);
+            XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
+                                     BOOLEAN CacheDisable,
+                                     BOOLEAN WriteThrough);
+    } PAGEMAP, *PPAGEMAP;
+
+    class PageMapBasic final : public PageMap
+    {
+        public:
+            XTAPI VOID InitializePageMapInfo(VOID);
+    };
+
+    class PageMapXpa final : public PageMap
+    {
+        public:
+            XTAPI VOID InitializePageMapInfo(VOID);
+    };
+}
+
+#endif /* __XTOSKRNL_MM_PAGEMAP_HH */