Function CheckHardware

rEFIt_UEFI/Platform/FixBiosDsdt.cpp:603–850

}

VOID CheckHardware()
{
  EFI_STATUS          Status;
  EFI_HANDLE          *HandleBuffer = NULL;
  EFI_HANDLE          Handle;
  EFI_PCI_IO_PROTOCOL *PciIo;
  PCI_TYPE00          Pci;
  UINTN               HandleCount = 0;
  UINTN               HandleIndex;

  UINTN               Segment;
  UINTN               Bus;
  UINTN               Device;
  UINTN               Function;
  UINTN               display=0;


//  pci_dt_t            PCIdevice;
  EFI_DEVICE_PATH_PROTOCOL *DevicePath = NULL;

   usb=0;
  // Scan PCI handles
  Status = gBS->LocateHandleBuffer (
                                    ByProtocol,
                                    &gEfiPciIoProtocolGuid,
                                    NULL,
                                    &HandleCount,
                                    &HandleBuffer
                                    );
  if (!EFI_ERROR(Status)) {
//    DBG("PciIo handles count=%d\n", HandleCount);
    for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
      Handle = HandleBuffer[HandleIndex];
      Status = gBS->HandleProtocol (
                                    Handle,
                                    &gEfiPciIoProtocolGuid,
                                    (VOID **)&PciIo
                                    );
      if (!EFI_ERROR(Status)) {
        UINT32 deviceid;
        /* Read PCI BUS */
        PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);
        Status = PciIo->Pci.Read (
                                  PciIo,
                                  EfiPciIoWidthUint32,
                                  0,
                                  sizeof (Pci) / sizeof (UINT32),
                                  &Pci
                                  );

        deviceid = Pci.Hdr.DeviceId | (Pci.Hdr.VendorId << 16);

        // add for auto patch dsdt get DSDT Device _ADR
   //     PCIdevice.DeviceHandle = Handle;
        DevicePath = DevicePathFromHandle (Handle);
        if (DevicePath) {
  //        DBG("Device patch = %ls \n", DevicePathToStr(DevicePath));