Method DoState

pcsx2/USB/USB.cpp:374–484

}

bool USB::DoState(StateWrapper& sw)
{
	std::array<bool, 2> valid_devices = {};

	if (sw.IsReading())
	{
		if (!sw.DoMarker("USB") || !USB::DoOHCIState(sw))
		{
			Console.Error("USB state is invalid, resetting.");
			USBreset();
			return true;
		}

		for (u32 port = 0; port < USB::NUM_PORTS; port++)
		{
			s32 state_devtype;
			u32 state_devsubtype;
			u32 state_size;
			sw.Do(&state_devtype);
			sw.Do(&state_devsubtype);
			sw.Do(&state_size);

			// this is *assuming* the config is correct... there's no reason it shouldn't be.
			if (sw.HasError() ||
				EmuConfig.USB.Ports[port].DeviceType != state_devtype ||
				EmuConfig.USB.Ports[port].DeviceSubtype != state_devsubtype ||
				(state_devtype != DEVTYPE_NONE && !s_usb_device[port]))
			{
				Console.Error("Save state has device type %u, but config has %u. Reattaching device.", state_devtype, EmuConfig.USB.Ports[port].DeviceType);
				if (s_usb_device[port])
					usb_reattach(&USB::GetOHCIPort(port).port);
				
				sw.SkipBytes(state_size);
				continue;
			}

			if (!s_usb_device[port])
			{
				// nothing in this port
				sw.SkipBytes(state_size);
				continue;
			}

			USB::DoDeviceState(s_usb_device[port], sw);

			if (!s_usb_device_proxy[port]->Freeze(s_usb_device[port], sw) || sw.HasError())
			{
				Console.Error("Failed to deserialize USB port %u, removing device.", port);
				USB::DestroyDevice(port);
				continue;
			}

			valid_devices[port] = true;
		}

		USB::DoPacketState(&s_qemu_ohci->usb_packet, sw, valid_devices);
		if (sw.HasError())
		{