1pci_ss = ss.source_set() 2pci_ss.add(when: 'CONFIG_PCI_BRIDGE', if_true: files('pci_bridge_dev.c')) 3pci_ss.add(when: 'CONFIG_I82801B11', if_true: files('i82801b11.c')) 4pci_ss.add(when: 'CONFIG_IOH3420', if_true: files('ioh3420.c')) 5pci_ss.add(when: 'CONFIG_PCIE_PORT', if_true: files('pcie_root_port.c', 'gen_pcie_root_port.c')) 6pci_ss.add(when: 'CONFIG_PCIE_PCI_BRIDGE', if_true: files('pcie_pci_bridge.c')) 7pci_ss.add(when: 'CONFIG_PXB', if_true: files('pci_expander_bridge.c'), 8 if_false: files('pci_expander_bridge_stubs.c')) 9pci_ss.add(when: 'CONFIG_XIO3130', if_true: files('xio3130_upstream.c', 'xio3130_downstream.c')) 10pci_ss.add(when: 'CONFIG_CXL', if_true: files('cxl_root_port.c', 'cxl_upstream.c', 'cxl_downstream.c')) 11 12# Sun4u 13pci_ss.add(when: 'CONFIG_SIMBA', if_true: files('simba.c')) 14 15system_ss.add_all(when: 'CONFIG_PCI', if_true: pci_ss) 16