KiSendHeteroRescheduleIntRequestHelper

CHAR __fastcall KiSendHeteroRescheduleIntRequestHelper(UINT64 a1, _QWORD *a2, UINT64 *a3, INT64 a4){
  unsigned int v4; 
  __int64 v5; 
  CHAR v6; 
  _QWORD *v7; 
  unsigned __int64 v8; 
  unsigned __int64 v9; 
  __int64 v10; 
  INT64 v11; 
  __int64 v13; 
  _KPRCB *v14; 
  int v15; 
  int v16; 
  int v18; 
  unsigned int v19; 
  UINT64 SpinCount; 
  _KPRCB *ControlPrcb; 
  _KSHARED_READY_QUEUE *ControlReadyQueue; 
  unsigned int Processor; 
  UINT64 *v25; 
  INT64 v26; 
  v26 = a4;
  v25 = a3;
  v4 = 0;
  ControlReadyQueue = 0i64;
  v5 = 0i64;
  v18 = -1;
  v6 = 0;
  v19 = 0;
  v7 = a2;
  v8 = a1;
  if( a1 )
  {
    while( 1 )
    {
      LODWORD(SpinCount) = 0;
      _BitScanForward64(&v9, v8);
      v8 ^= 1i64 << v9;
      Processor = KiProcessorNumberToIndexMappingTable[64 * *(unsigned __int8 *)(a4 + 208) + (unsigned int)v9];
      v10 = (__int64)*(&KiProcessorBlock + Processor);
      ControlPrcb = (_KPRCB *)v10;
      while( _interlockedbittestandset64((volatile signed __int32 *)(v10 + 48), 0i64) )
      {
        do
          KeYieldProcessorEx(&SpinCount);
        while( *(_QWORD *)(v10 + 48) );
      }
      v7 = a2;
      v11 = *(_QWORD *)(v10 + 8);
      if( (*(_BYTE *)(v10 + 35) & 1) != 0 && !*(_QWORD *)(v10 + 16) && !*(_BYTE *)(v10 + 12585) )
      {
        if( (unsigned int)KiCheckPreferredHeteroProcessor(*(_KTHREAD **)(v10 + 8), (_KPRCB *)v10) )
        {
          if( !a2 )
          {
            _InterlockedAdd16((volatile signed __int16 *)(v11 + 868), 1u);
            _InterlockedAnd64((volatile signed __int64 *)(v10 + 48), 0i64);
            HIDWORD(SpinCount) = 0;
            while( _interlockedbittestandset64((volatile signed __int32 *)(v11 + 64), 0i64) )
            {
              do
                KeYieldProcessorEx((UINT64 *)((char *)&SpinCount + 4));
              while( *(_QWORD *)(v11 + 64) );
            }
            KiAcquireThreadStateLock((_ETHREAD *)v11, &ControlPrcb, &ControlReadyQueue);
            _InterlockedAdd16((volatile signed __int16 *)(v11 + 868), 0xFFFFu);
            if( *(_BYTE *)(v11 + 388) == 2 )
            {
              v14 = ControlPrcb;
              if( !*((_BYTE *)ControlPrcb + 12585)
                && (unsigned int)KiCheckPreferredHeteroProcessor((_KTHREAD *)v11, ControlPrcb)
                && !_interlockedbittestandset((volatile signed __int32 *)(v11 + 120), 0xCu) )
              {
                *((_BYTE *)v14 + 12585) = 1;
                KiSendSoftwareInterrupt(Processor, 2u);
                v6 = 1;
              }
            }
            KiReleaseThreadStateLock(v13, (__int64)ControlPrcb, (volatile signed __int64 *)ControlReadyQueue);
            KiReleaseThreadLockSafe(v11);
            goto LABEL_26;
          }
          if( (*(_DWORD *)(v11 + 120) & 0x1000) == 0 )
          {
            v5 |= 1i64 << Processor;
            if( v18 == -1 || (v15 = *(char *)(v11 + 195), v15 > v18) )
            {
              v16 = *(char *)(v11 + 195);
              v6 = 1;
              v18 = v16;
              v19 = Processor;
            }
          }
        }
      }
      _InterlockedAnd64((volatile signed __int64 *)(v10 + 48), 0i64);
LABEL_26:
      a4 = v26;
      if( !v8 )
      {
        a3 = v25;
        v4 = v19;
        break;
      }
    }
  }
  if( v7 )
    *v7 = v5;
  if( a3 )
    *(_DWORD *)a3 = v4;
  return v6;
}

Referenced by: