wip on fork

minimal example works

kernel/thread/thread.h

@@ -57,7 +57,6 @@ class Thread {
 	/*! \brief Context of the thread, used for saving and restoring the register
 	 * values when context switching.
 	 */
-	Context context;
 
 	/*! \brief The thread's entry point.
 	 *
@@ -87,9 +86,11 @@ class Thread {
 	} StackPointer;
 	void* operator new  ( size_t count )noexcept;
 
+	Context context;
 	four_lvl_paging_t* paging_tree;
-	pagetable_t* appcode_table;
-	pagetable_t* appstack_table;
+
+	void* code_paddr;
+	int code_pagenum;
 
 	Semaphore ipc_sem;
 	Queue<IpcStruct> ipc_queue;