040000 tree 50b2703133e1aff79d1bf785f0979383ea2d1a43	acpi
040000 tree 459448652290581224ac43127433533f998f3a1a	pci
040000 tree d34216878f97ca574e50b350abbd31a4ae3c390e	platform
040000 tree ea46b86889a9d5f324cb15d04fd5ec2a5e28c0ad	virtio