040000 tree 8f7a857ad18e76e4405d5d186b574c4fe085c049	app
040000 tree b2ab53a2a1b62c92806d3dcb99edfa952cc623c6	kernel
040000 tree 6b0d67e08e198efa3b51a37bd275ade75d77919c	kvmtool
040000 tree c3d23b237fe83bce117477acddbff558617a3b28	vm_init