1 files changed, 39 insertions, 0 deletions
diff --git a/dev/kernel/NeKit/Pmm.h b/dev/kernel/NeKit/Pmm.h
new file mode 100644
index 00000000..f84bd9f2
--- /dev/null
+++ b/dev/kernel/NeKit/Pmm.h
@@ -0,0 +1,39 @@
+
+/* -------------------------------------------
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NeKit/PageMgr.h>
+#include <NeKit/Ref.h>
+
+namespace Kernel {
+class Pmm;
+class PTEWrapper;
+
+class Pmm final {
+ public:
+  explicit Pmm();
+  ~Pmm();
+
+  Pmm& operator=(const Pmm&) = delete;
+  Pmm(const Pmm&)            = default;
+
+  Ref<PTEWrapper> RequestPage(Boolean user = false, Boolean readWrite = false);
+  Boolean         FreePage(Ref<PTEWrapper> refPage);
+
+  Boolean ToggleRw(Ref<PTEWrapper> refPage, Boolean enable = true);
+  Boolean TogglePresent(Ref<PTEWrapper> refPage, Boolean enable = true);
+  Boolean ToggleUser(Ref<PTEWrapper> refPage, Boolean enable = true);
+  Boolean ToggleShare(Ref<PTEWrapper> refPage, Boolean enable = true);
+
+  /// @brief Get the page manager of this.
+  Ref<PageMgr>& Leak() { return fPageMgr; }
+
+ private:
+  Ref<PageMgr> fPageMgr;
+};
+}  // namespace Kernel