040000 tree 86c9b4ac7f0f04000d2059948bb80a7774351e8e	aarch64_bootloader
040000 tree 4d4c1c2e295cc7468c16ee0f31fc11dad89971ef	dt
040000 tree d146cc63ff808a6da11325de5a9fc8c2aca9cf65	simple_bootloader