KeUpdatePrimaryThreadContext

NTSTATUS __stdcall KeUpdatePrimaryThreadContext(INT64 a1, _CONTEXT *a2){
  __int64 v2; 

  if( (a2->ContextFlags & 0x100010) == 1048592 )
  {
    v2 = **(_QWORD **)(a1 + 496);
    RtlpCopyLegacyContext(1, (_CONTEXT *)(v2 + 16), 0x100010ui64, a2);
    if( (*(_DWORD *)(v2 + 128) & 0x355i64) != 0 )
      _interlockedbittestandset((volatile signed __int32 *)(v2 + 1264), 4u);
    else
      _interlockedbittestandreset((volatile signed __int32 *)(v2 + 1264), 4u);
  }
  return 0;
}

Referenced by: