feat added init function

kernel/util/init.c

@@ -0,0 +1,18 @@
+//
+// Created by rick on 13-08-21.
+//
+
+#include <myke/util/init.h>
+#include <stdio.h>
+
+extern struct init __start_init[];
+extern struct init __stop_init[];
+#define NUM_DRIVERS ((size_t)(__stop_init - __start_init))
+#define DRIVER(i) ((__start_init) + (i))
+
+void init_execute_all() {
+    for (size_t i = 0; i < NUM_DRIVERS; ++i) {
+        printf("init %s\n", DRIVER(i)->name);
+        DRIVER(i)->init();
+    }
+}