040000 tree 6b81496cb2125e726a383da15732f45fb2a4a49d	core
040000 tree c34687dead531d474b6f5855836c70b0b9db1f4d	platform
040000 tree a27ffc3524393bc8a9bca96af01a93b93c3f7b82	qbone
040000 tree e3661b76f4054fec1955be3c1eddca069352d00f	quartc
040000 tree 4b174563a6c02965b8b74c6884d95d2b941548fc	test_tools
040000 tree a687461c625db28c4b31a1abd6d9d7d86ce7d832	tools