040000 tree 3c22ae57576828c8dc1395c2aac205fb24f5ee21	bootloader
040000 tree 02b0279079eec92ec74c86fd1b949cd15ab169a3	ota
040000 tree a0875095ba019a5ec87604109d9e3593b47d49d8	pw_sys_io
040000 tree c449710dc8b8ce62618ffca232f94813b06c3ff4	util