Esempi in C++ (Cpp) per SUPPORTED_BOOT_DEVICE_FROM_LINK

Esempio n. 1

File: BootOptionSupport.c Progetto: hzhuang1/uefi

EFI_STATUS
BootDeviceListSupportedFree (
  IN LIST_ENTRY *SupportedDeviceList,
  IN BDS_SUPPORTED_DEVICE *Except
  )
{
  LIST_ENTRY  *Entry;
  BDS_SUPPORTED_DEVICE* SupportedDevice;

  Entry = GetFirstNode (SupportedDeviceList);
  while (Entry != SupportedDeviceList) {
    SupportedDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
    Entry = RemoveEntryList (Entry);
    if (SupportedDevice != Except) {
      FreePool (SupportedDevice);
    }
  }

  return EFI_SUCCESS;
}

Esempio n. 2

File: BootMenu.c Progetto: FishYu1222/edk2

STATIC
EFI_STATUS
SelectBootDevice (
  OUT BDS_SUPPORTED_DEVICE** SupportedBootDevice
  )
{
  EFI_STATUS  Status;
  LIST_ENTRY  SupportedDeviceList;
  UINTN       SupportedDeviceCount;
  LIST_ENTRY* Entry;
  UINTN       SupportedDeviceSelected;
  UINTN       Index;

  //
  // List the Boot Devices supported
  //

  // Start all the drivers first
  BdsConnectAllDrivers ();

  // List the supported devices
  Status = BootDeviceListSupportedInit (&SupportedDeviceList);
  ASSERT_EFI_ERROR(Status);

  SupportedDeviceCount = 0;
  for (Entry = GetFirstNode (&SupportedDeviceList);
       !IsNull (&SupportedDeviceList,Entry);
       Entry = GetNextNode (&SupportedDeviceList,Entry)
       )
  {
    *SupportedBootDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
    Print(L"[%d] %s\n",SupportedDeviceCount+1,(*SupportedBootDevice)->Description);

    DEBUG_CODE_BEGIN();
      CHAR16*                           DevicePathTxt;
      EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;

      Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
      ASSERT_EFI_ERROR(Status);
      DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText ((*SupportedBootDevice)->DevicePathProtocol,TRUE,TRUE);

      Print(L"\t- %s\n",DevicePathTxt);

      FreePool(DevicePathTxt);
    DEBUG_CODE_END();

    SupportedDeviceCount++;
  }

  if (SupportedDeviceCount == 0) {
    Print(L"There is no supported device.\n");
    Status = EFI_ABORTED;
    goto EXIT;
  }

  //
  // Select the Boot Device
  //
  SupportedDeviceSelected = 0;
  while (SupportedDeviceSelected == 0) {
    Print(L"Select the Boot Device: ");
    Status = GetHIInputInteger (&SupportedDeviceSelected);
    if (EFI_ERROR(Status)) {
      Status = EFI_ABORTED;
      goto EXIT;
    } else if ((SupportedDeviceSelected == 0) || (SupportedDeviceSelected > SupportedDeviceCount)) {
      Print(L"Invalid input (max %d)\n",SupportedDeviceCount);
      SupportedDeviceSelected = 0;
    }
  }

  //
  // Get the Device Path for the selected boot device
  //
  Index = 1;
  for (Entry = GetFirstNode (&SupportedDeviceList);
       !IsNull (&SupportedDeviceList,Entry);
       Entry = GetNextNode (&SupportedDeviceList,Entry)
       )
  {
    if (Index == SupportedDeviceSelected) {
      *SupportedBootDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
      break;
    }
    Index++;
  }

EXIT:
  BootDeviceListSupportedFree (&SupportedDeviceList, *SupportedBootDevice);
  return Status;
}