/* Detects if Enhanced Intel SpeedStep feature supported on current processor. */
BOOLEAN EFIAPI EistSupport(IN UINTN ProcessorNumber, IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo, IN VOID *ConfigData OPTIONAL)
/* Detects if Enhanced Intel SpeedStep feature supported on current processor. */
BOOLEAN EFIAPI EistSupport(IN UINTN ProcessorNumber, IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo, IN VOID *ConfigData OPTIONAL)
{
  return (CpuInfo->CpuIdVersionInfoEcx.Bits.EIST == 1);
}