copy
//0x1 bytes (sizeof)
union _KPRCB_BPB_FEATURES
{
    UCHAR ClearOnIdle:1;                                                    //0x0
    UCHAR Enabled:1;                                                        //0x0
    UCHAR Smep:1;                                                           //0x0
    UCHAR KCet:1;                                                           //0x0
    UCHAR BhbFlushSequence:2;                                               //0x0
    UCHAR FeaturesReserved:2;                                               //0x0
    UCHAR AllFlags;                                                         //0x0
};