040000 tree c13921e40839eaeb658fe08feea61ae53f0b983d	core
040000 tree 69fc4f955a4d45477a7321ce63d075a97bd52655	engine
040000 tree fee1b4d81e1343f6345752271ea68e4e61ea6cdf	include
100644 blob 191e739f30d14f1c994db7028c759238b6604048	os.h
040000 tree 2d9fa503a8426df92083205790424c51412ee631	subdev