1pci_ss = ss.source_set() 2pci_ss.add(files( 3 'msi.c', 4 'msix.c', 5 'pci.c', 6 'pci_bridge.c', 7 'pci_host.c', 8 'pci-hmp-cmds.c', 9 'pci-qmp-cmds.c', 10 'pcie_sriov.c', 11 'shpc.c', 12 'slotid_cap.c' 13)) 14# The functions in these modules can be used by devices too. Since we 15# allow plugging PCIe devices into PCI buses, include them even if 16# CONFIG_PCI_EXPRESS=n. 17pci_ss.add(files('pcie.c', 'pcie_aer.c')) 18pci_ss.add(files('pcie_doe.c')) 19system_ss.add(when: 'CONFIG_PCI_EXPRESS', if_true: files('pcie_port.c', 'pcie_host.c')) 20system_ss.add_all(when: 'CONFIG_PCI', if_true: pci_ss) 21 22system_ss.add(when: 'CONFIG_PCI', if_false: files('pci-stub.c')) 23