-mk_bootable_img "${IMG_NAME}.ext3.img" "$ROOT_SIZE"
-mk_ext3_fs "${IMG_NAME}.ext3.img" "$IMG_LABEL" "$ROOT_DIR"
+check_for_cmds losetup parted mke2fs tune2fs grub || exit 1
+create_fstab ${ROOT_DIR} ext3
+create_ofwboot ${ROOT_DIR} ext3
+
+create_bootable_img ${IMG_NAME} ${ROOT_SIZE}
+mk_ext3_fs ${IMG_NAME} ${IMG_LABEL} ${ROOT_DIR}