/* If 8-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). */
UINT8 EFIAPI IoBitFieldRead8(IN UINTN Port, IN UINTN StartBit, IN UINTN EndBit)
/* If 8-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). */
UINT8 EFIAPI IoBitFieldRead8(IN UINTN Port, IN UINTN StartBit, IN UINTN EndBit)
{
  return BitFieldRead8 (IoRead8 (Port), StartBit, EndBit);
}