enum _PRL_CPU_FEATURES_EX {
  PCFE_FEATURES = 0,
  PCFE_EXT_FEATURES = 1,
  PCFE_EXT_00000007_EBX = 2,
  PCFE_EXT_80000001_ECX = 3,
  PCFE_EXT_80000001_EDX = 4,
  PCFE_EXT_80000007_EDX = 5,
  PCFE_EXT_80000008_EAX = 6,
  PCFE_EXT_0000000D_EAX = 7,
  PCFE_MAX
};