ADD: Open version, with important changes kept out.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/dev/Kernel/NewKit/Pmm.h b/dev/Kernel/NewKit/Pmm.h
new file mode 100644
index 00000000..0eb749c1
--- /dev/null
+++ b/dev/Kernel/NewKit/Pmm.h
@@ -0,0 +1,44 @@
+
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/PageMgr.h>
+#include <NewKit/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