1system_ss.add(when: ['CONFIG_XEN_BUS'], if_true: files( 2 'xen-backend.c', 3 'xen-bus-helper.c', 4 'xen-bus.c', 5 'xen-legacy-backend.c', 6 'xen_devconfig.c', 7 'xen_pvdev.c', 8)) 9 10system_ss.add(when: ['CONFIG_XEN', xen], if_true: files( 11 'xen-operations.c', 12)) 13 14xen_specific_ss = ss.source_set() 15xen_specific_ss.add(files( 16 'xen-mapcache.c', 17 'xen-hvm-common.c', 18 'xen-pvh-common.c', 19)) 20if have_xen_pci_passthrough 21 xen_specific_ss.add(files( 22 'xen-host-pci-device.c', 23 'xen_pt.c', 24 'xen_pt_config_init.c', 25 'xen_pt_graphics.c', 26 'xen_pt_load_rom.c', 27 'xen_pt_msi.c', 28 )) 29else 30 xen_specific_ss.add(files('xen_pt_stub.c')) 31endif 32 33specific_ss.add_all(when: ['CONFIG_XEN', xen], if_true: xen_specific_ss) 34