040000 tree 86c9b4ac7f0f04000d2059948bb80a7774351e8e	aarch64_bootloader
040000 tree c95df7a2e8607214246beb680b40b5eaf4aba82f	dt
040000 tree d146cc63ff808a6da11325de5a9fc8c2aca9cf65	simple_bootloader