| s390x_ss = ss.source_set() | 
 | s390x_ss.add(files( | 
 |   'ap-bridge.c', | 
 |   'ap-device.c', | 
 |   'ccw-device.c', | 
 |   'css-bridge.c', | 
 |   'css.c', | 
 |   'event-facility.c', | 
 |   'ipl.c', | 
 |   's390-ccw.c', | 
 |   's390-pci-bus.c', | 
 |   's390-pci-inst.c', | 
 |   's390-skeys.c', | 
 |   's390-stattrib.c', | 
 |   's390-virtio-hcall.c', | 
 |   'sclp.c', | 
 |   'sclpcpu.c', | 
 |   'sclpquiesce.c', | 
 |   'tod.c', | 
 | )) | 
 | s390x_ss.add(when: 'CONFIG_KVM', if_true: files( | 
 |   'tod-kvm.c', | 
 |   's390-skeys-kvm.c', | 
 |   's390-stattrib-kvm.c', | 
 |   's390-pci-kvm.c', | 
 |   'cpu-topology.c', | 
 | )) | 
 | s390x_ss.add(when: 'CONFIG_TCG', if_true: files( | 
 |   'tod-tcg.c', | 
 | )) | 
 | s390x_ss.add(when: 'CONFIG_S390_CCW_VIRTIO', if_true: files('s390-virtio-ccw.c')) | 
 | s390x_ss.add(when: 'CONFIG_TERMINAL3270', if_true: files('3270-ccw.c')) | 
 | s390x_ss.add(when: 'CONFIG_VFIO', if_true: files('s390-pci-vfio.c')) | 
 |  | 
 | virtio_ss = ss.source_set() | 
 | virtio_ss.add(files('virtio-ccw.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_BALLOON', if_true: files('virtio-ccw-balloon.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_BLK', if_true: files('virtio-ccw-blk.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_CRYPTO', if_true: files('virtio-ccw-crypto.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_INPUT', if_true: files('virtio-ccw-input.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_NET', if_true: files('virtio-ccw-net.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_RNG', if_true: files('virtio-ccw-rng.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_SCSI', if_true: files('virtio-ccw-scsi.c')) | 
 | virtio_ss.add(when: 'CONFIG_VIRTIO_SERIAL', if_true: files('virtio-ccw-serial.c')) | 
 | if have_virtfs | 
 |   virtio_ss.add(when: 'CONFIG_VIRTIO_9P', if_true: files('virtio-ccw-9p.c')) | 
 | endif | 
 | virtio_ss.add(when: 'CONFIG_VHOST_SCSI', if_true: files('vhost-scsi-ccw.c')) | 
 | virtio_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true: files('vhost-vsock-ccw.c')) | 
 | virtio_ss.add(when: 'CONFIG_VHOST_USER_FS', if_true: files('vhost-user-fs-ccw.c')) | 
 | s390x_ss.add_all(when: 'CONFIG_VIRTIO_CCW', if_true: virtio_ss) | 
 |  | 
 | hw_arch += {'s390x': s390x_ss} | 
 |  | 
 | hw_s390x_modules = {} | 
 | virtio_gpu_ccw_ss = ss.source_set() | 
 | virtio_gpu_ccw_ss.add(when: ['CONFIG_VIRTIO_GPU', 'CONFIG_VIRTIO_CCW'], | 
 |                       if_true: [files('virtio-ccw-gpu.c'), pixman]) | 
 | hw_s390x_modules += {'virtio-gpu-ccw': virtio_gpu_ccw_ss} | 
 | modules += {'hw-s390x': hw_s390x_modules} |