040000 tree 0ffb4a2cb7f2ebcd107e9d151b99bd9149ec74bc	aarch64_bootloader
040000 tree 1630428ba1a83e0032e5fb47783f38f6e294de5d	dt
040000 tree d146cc63ff808a6da11325de5a9fc8c2aca9cf65	simple_bootloader