Merge pull request #81 from nekernel-org/dev

feat! breaking changes on kernel sources.

1 files changed, 76 insertions, 0 deletions

diff --git a/src/kernel/NeKit/PageMgr.h b/src/kernel/NeKit/PageMgr.h
new file mode 100644
index 00000000..6cdd5a5c
--- /dev/null
+++ b/src/kernel/NeKit/PageMgr.h
@@ -0,0 +1,76 @@
+// a way to create and find our pages.
+// I'm thinking about a separate way of getting a paged area.
+
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#pragma once
+
+#include <NeKit/Defines.h>
+#include <NeKit/Ref.h>
+
+namespace Kernel {
+class PageMgr;
+
+class PTEWrapper final {
+ public:
+  explicit PTEWrapper(Boolean Rw = false, Boolean User = false, Boolean ExecDisable = false,
+                      UIntPtr Address = 0);
+
+  ~PTEWrapper();
+
+  PTEWrapper& operator=(const PTEWrapper&) = default;
+  PTEWrapper(const PTEWrapper&)            = default;
+
+ public:
+  UIntPtr VirtualAddress();
+
+  Void NoExecute(const bool enable = false);
+  Bool NoExecute();
+
+  operator bool() { return fVirtAddr; }
+
+  bool Reclaim();
+  bool Shareable();
+  bool Present();
+  bool Access();
+
+ private:
+  Boolean fRw;
+  Boolean fUser;
+  Boolean fExecDisable;
+  UIntPtr fVirtAddr;
+  Boolean fCache;
+  Boolean fShareable;
+  Boolean fWt;
+  Boolean fPresent;
+  Boolean fAccessed;
+
+ private:
+  friend class PageMgr;
+  friend class Pmm;
+};
+
+struct PageMgr final {
+ public:
+  PageMgr()  = default;
+  ~PageMgr() = default;
+
+  PageMgr& operator=(const PageMgr&) = default;
+  PageMgr(const PageMgr&)            = default;
+
+ public:
+  PTEWrapper Request(Boolean Rw, Boolean User, Boolean ExecDisable, SizeT Sz, SizeT Pad);
+  bool       Free(Ref<PTEWrapper>& wrapper);
+
+ private:
+  void FlushTLB();
+
+ private:
+  friend PTEWrapper;
+  friend class Pmm;
+};
+}  // namespace Kernel