Back to the same fs0 bug point as before, but environment, disjoint utcb addresses

and passing of utcb address information via the environment are implemented.

tasks/mm0/src/stack.c

@@ -1,4 +1,9 @@
-
+/*
+ * TODO: This is to be used when moving mm0's temporary
+ * stack to a proper place. It's unused for now.
+ *
+ * Copyright (C) 2007, 2008 Bahadir Balban
+ */
 #include <l4/config.h>
 #include <l4/macros.h>
 #include <l4/types.h>