Function AddDevice

Kernel/src/arch/x86_64/pci.cpp:147–197

	}

	int AddDevice(int bus, int slot, int func){
		PCIDevice device;

		device.vendorID = GetVendor(bus, slot, func);
		device.deviceID = GetDeviceID(bus, slot, func);

		device.bus = bus;
		device.slot = slot;
		device.func = func;

		device.UpdateClass();

		/*Log::Info("Found Device! Vendor: ");
		Log::Write(device.vendorID);
		Log::Write(", Device: ");
		Log::Write(device.deviceID);
		Log::Write(", Class: ");
		Log::Write(device.classCode);
		Log::Write(", Subclass: ");
		Log::Write(device.subclass);*/

		device.capabilities = new Vector<uint16_t>();
		if(device.Status() & PCI_STATUS_CAPABILITIES){
			uint8_t ptr = ConfigReadWord(bus, slot, func, PCICapabilitiesPointer) & 0xFC;
			uint16_t cap = ConfigReadDword(bus, slot, func, ptr);
			do {
				//Log::Info("PCI Capability: %x", cap & 0xFF);

				if((cap & 0xFF) == PCICapabilityIDs::PCICapMSI){
					device.msiPtr = ptr;
					device.msiCapable = true;
					device.msiCap.register0 = ConfigReadDword(bus, slot, func, ptr);
					device.msiCap.register1 = ConfigReadDword(bus, slot, func, ptr + sizeof(uint32_t));
					device.msiCap.register2 = ConfigReadDword(bus, slot, func, ptr + sizeof(uint32_t) * 2);

					if(device.msiCap.msiControl & PCI_CAP_MSI_CONTROL_64){ // 64-bit capable
						device.msiCap.data64 = ConfigReadDword(bus, slot, func, ptr + sizeof(uint32_t) * 3);
					}
				}

				ptr = (cap >> 8);
				cap = ConfigReadDword(bus, slot, func, ptr);

				device.capabilities->add_back(cap & 0xFF);
			} while((cap >> 8));
		}

		int ret = devices->get_length();
		devices->add_back(device);
		return ret;
	}

	void Init(){
		unknownDevice = new PCIDevice();