arch/generic/acpi_irq_routing_table.cpp

188 		  Since the ISA bus isn't enumerable we don't have any clues as to
429 find_routing_table_entry(IRQRoutingTable& table, uint8 bus, uint8 device,
434 		if (irqEntry.pci_bus != bus || irqEntry.pci_device != device)
446 ensure_all_functions_matched(pci_module_info* pci, uint8 bus,
451 		if (pci->read_pci_config(bus, device, 0, PCI_vendor_id, 2) == 0xffff) {
452 			TRACE("PCI bus %" B_PRIu8 ":%" B_PRIu8 " not present.\n",
453 				bus, device);
458 		uint8 headerType = pci->read_pci_config(bus, device, 0,
467 			if (pci->read_pci_config(bus, device, function, PCI_vendor_id, 2)
471 					"not present.\n", bus, device, function);
476 				headerType = pci->read_pci_config(bus, device, function,
486 				pciAddress.bus = bus;
492 				uint8 secondaryBus = pci->read_pci_config(bus, device, function,
502 			uint8 interruptPin = pci->read_pci_config(bus, device, function,
506 					"not routed.\n", bus, device, function);
512 				bus, device, interruptPin);
517 					"already matched. Will mask.\n", bus, device, function);
523 				"parents, searching them...\n", bus, device, function,
533 				irqEntry = find_routing_table_entry(matchedTable, parent.bus,
538 						"no matchedTable entry.\n", bus, device, function);
540 						parent.bus, parent.device, parentPin);
549 						B_PRIu8 "...\n", bus, device, function, parentPin);
557 				newEntry.pci_bus = bus;
561 				uint8 biosIRQ = pci->read_pci_config(bus, device, function,
571 							"PCI %u:%u:%u", bus, device, function);
587 				uint32 interrupt_line = pci->read_pci_config(bus, device,
594 						bus, device, function, interrupt_line);
600 					"unstable / broken.\n", bus, device, function);
620 		pciAddress.bus = currentBus;
631 			// we don't seem to be on the PCI bus anymore
637 		uint16 deviceID = pci->read_pci_config(pciAddress.bus,
646 		uint8 baseClass = pci->read_pci_config(pciAddress.bus,
648 		uint8 subClass = pci->read_pci_config(pciAddress.bus,
656 		uint8 headerType = pci->read_pci_config(pciAddress.bus,
671 		// Find the secondary bus number (the "downstream" bus number for the
673 		uint8 secondaryBus = pci->read_pci_config(pciAddress.bus,
676 			// The bus below this bridge is inactive, nothing to do.
677 			TRACE("secondary bus is inactive\n");
681 		// The secondary bus cannot be the same as the current one.
683 			dprintf("invalid secondary bus %u on primary bus %u,"
694 		// Everything below is now on the secondary bus.
695 		TRACE("now scanning bus %u\n", secondaryBus);
783 	// We reset the root bus to 0 here. Any failed evaluation means default