Improved build system

Added new entries to .gitignore
Moved away from source directory as central spot for all source code

kernel/memory/PageDirectory.h

@@ -0,0 +1,31 @@
+#pragma once 
+#include <stdint.h>
+#include "./memory.h"
+#include "./../terminal/kterm.h"
+#define KB 1024
+
+
+typedef uintptr_t address_t;
+
+static const int MAX_PAGES =  1024 * KB; // 4GB , 4kB/page
+static volatile address_t pmem_stack[MAX_PAGES];
+static volatile address_t pmem_stack_top = MAX_PAGES; // top down allocation
+
+extern "C" void loadPageDirectory (uint32_t* addr );
+extern "C" void enablePaging();
+
+struct page_directory_entry {};
+struct page_table_entry{};
+
+
+
+class PageDirectory {
+    public:
+    void enable ();
+    void MapPhysicalToVirtualAddress ( address_t PAddress , address_t VAddress, uint32_t size  );
+
+    private:
+    uint32_t page_directory[1024] __attribute__((aligned(4096))); // align on 4 kiloByte pages
+    uint32_t first_page_table[1024] __attribute__((aligned(4096))); // align on 4 kiloByte pages
+
+};