ramstage-y += c_start.S
ramstage-y += cpu.c
ramstage-y += pci_ops_conf1.c
-ramstage-y += pci_ops_conf2.c
-
+ramstage-$(CONFIG_PCI_CONF2) += pci_ops_conf2.c
ramstage-$(CONFIG_MMCONF_SUPPORT) += pci_ops_mmconf.c
-
ramstage-y += pci_ops_auto.c
ramstage-y += exception.c
ramstage-$(CONFIG_IOAPIC) += ioapic.c