typedef struct _PRL_CPU_FEATURES_MASK {
  PRL_UINT32 nFEATURES_MASK;
  PRL_UINT32 nEXT_FEATURES_MASK;
  PRL_UINT32 nEXT_00000007_EBX_MASK;
  PRL_UINT32 nEXT_80000001_ECX_MASK;
  PRL_UINT32 nEXT_80000001_EDX_MASK;
  PRL_UINT32 nEXT_80000007_EDX_MASK;
  PRL_UINT32 nEXT_80000008_EAX;
  PRL_UINT32 nEXT_0000000D_EAX_MASK;
  PRL_UINT32 bIsValid;
} PRL_CPU_FEATURES_MASK;