Restructured and rewritten entire codebase

include/memory/swap_pt.hpp

@@ -0,0 +1,52 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef __FENNIX_KERNEL_MEMORY_TEMP_PAGE_TABLE_H__
+#define __FENNIX_KERNEL_MEMORY_TEMP_PAGE_TABLE_H__
+
+#include <types.h>
+
+#include <memory/table.hpp>
+
+extern Memory::PageTable *KernelPageTable;
+
+namespace Memory
+{
+	class SwapPT
+	{
+	private:
+		PageTable *Replace = nullptr;
+		PageTable *Restore = nullptr;
+
+	public:
+		SwapPT(PageTable *ReplaceWith,
+			   PageTable *RestoreWith = nullptr)
+			: Replace(ReplaceWith)
+		{
+			if (RestoreWith)
+				Restore = RestoreWith;
+			else
+				Restore = KernelPageTable;
+
+			Replace->Update();
+		}
+
+		~SwapPT() { Restore->Update(); }
+	};
+}
+
+#endif // !__FENNIX_KERNEL_MEMORY_TEMP_PAGE_TABLE_H__