HalRequestSoftwareInterrupt

NTSTATUS __fastcall HalRequestSoftwareInterrupt(
        VOID *a1,
        INT64 a2,
        INT64 *a3,
        INT64 a4,
        INT64 a5,
        INT64 a6,
        INT64 a7,
        INT64 a8,
        INT64 a9,
        INT64 a10,
        INT64 a11){
  unsigned int v11; 
  __int64(__fastcall *v12)(_QWORD, int *, __int128 *, _QWORD, int *); 
  unsigned __int64 v13; 
  unsigned __int16 i; 
  __int64 v15; 
  __int64 v16; 
  __int16 v17; 
  unsigned int *v18; 
  unsigned __int64 Mask; 
  int v20; 
  unsigned __int8 v21; 
  __int64(__fastcall *v22)(_QWORD, int *, __int128 *, _QWORD, int *); 
  unsigned __int64 v23; 
  __int64 v24; 
  unsigned __int64 v25; 
  __int64 v26; 
  __int64(__fastcall *v27)(_QWORD, int *, __int128 *, _QWORD, int *); 
  unsigned __int64 v28; 
  __int64 v29; 
  unsigned __int64 v30; 
  __int64(__fastcall *v31)(_QWORD, int *, __int128 *, _QWORD, int *); 
  struct _PROCESSOR_NUMBER ProcNumber; 
  __int128 v34; 
  __int64 v35; 
  int v36[2]; 
  int v37[2]; 
  int v38[2]; 
  int v39[2]; 
  int v40[2]; 
  int v41[2]; 
  int v42[2]; 
  int v43[4]; 
  __int128 v44; 
  __int64 v45; 
  _GROUP_AFFINITY Result; 
  _KAFFINITY_EX Affinity; 
  unsigned __int16 v48; 
  unsigned __int16 v49; 
  int j; 
  _QWORD v51[21]; 
  int v52; 
  v11 = 31;
  if( (_BYTE)a1 != 1 )
    v11 = 47;
  memset((INT64)Affinity.Bitmap, 0i64);
  v45 = 0i64;
  v44 = 0i64;
  if( (*(_DWORD *)(HalpInterruptController + 220) & 0x40) != 0 && !HalpInterruptNoShorthand )
  {
    LODWORD(v44) = 3;
    v36[0] = -1;
    v36[1] = 1;
    v37[1] = *(_DWORD *)(HalpInterruptIpiLines + 20);
    v37[0] = *(_DWORD *)(HalpInterruptIpiLines + 16);
    v12 = *(__int64(__fastcall **)(_QWORD, int *, __int128 *, _QWORD, int *))(HalpInterruptController + 120);
    _disable();
    LODWORD(v13) = v12(*(_QWORD *)(HalpInterruptController + 16), v37, &v44, v11, v36);
    if( (v52 & 0x200) != 0 )
      _enable();
    return v13;
  }
  *(_DWORD *)&Affinity.Count = 1310721;
  memset((INT64)&Affinity.Reserved, 0i64);
  KeAddProcessorAffinityEx(&Affinity, *((_DWORD *)KeGetPcr() + 105));
  Result = 0i64;
  memset((INT64)&v49, 0i64);
  v35 = 0i64;
  v34 = 0i64;
  if( qword_140C4A1E8 )
  {
    LODWORD(v13) = qword_140C4A1E8(&Affinity, v11);
    return v13;
  }
  LODWORD(v13) = (unsigned __int16)HalpInterruptPhysicalTargets;
  if( (unsigned __int16)HalpInterruptPhysicalTargets >= Affinity.Count )
    LODWORD(v13) = Affinity.Count;
  v48 = v13;
  for( i = 0; i < v48; v51[v16] = v13 )
  {
    v15 = i++;
    v16 = v15;
    v13 = Affinity.Bitmap[v15] & qword_140C4B7A8[v15];
  }
  v49 = 20;
  for( j = 0; i < v49; v51[v13] = 0i64 )
    v13 = i++;
  v17 = v52;
  if( HalpInterruptClusterModeEnabled )
  {
    v18 = (unsigned int *)HalpInterruptClusterData;
    ProcNumber = 0;
    if( HalpInterruptClusterData < (unsigned __int64)HalpInterruptClusterDataEnd )
    {
      do
      {
        LODWORD(v13) = KeAndGroupAffinityEx(&Affinity, (_GROUP_AFFINITY *)(v18 + 2), &Result);
        if( (_DWORD)v13 )
        {
          Mask = Result.Mask;
          v20 = 0;
          LODWORD(v34) = 6;
          v21 = 0;
          *((_QWORD *)&v34 + 1) = *v18;
          ProcNumber.Group = Result.Group;
          for( ProcNumber.Number = 0; Mask; ProcNumber.Number = v21 )
          {
            if( (Mask & 1) != 0 )
            {
              v20 |= *(_DWORD *)(HalpInterruptTargets
                               + 24i64 * (unsigned int)KeGetProcessorIndexFromNumber(&ProcNumber)
                               + 12);
              HIDWORD(v34) = v20;
            }
            ++v21;
            Mask >>= 1;
          }
          v38[0] = -1;
          v38[1] = 1;
          v39[1] = *(_DWORD *)(HalpInterruptIpiLines + 20);
          v39[0] = *(_DWORD *)(HalpInterruptIpiLines + 16);
          v22 = *(__int64(__fastcall **)(_QWORD, int *, __int128 *, _QWORD, int *))(HalpInterruptController + 120);
          _disable();
          LODWORD(v13) = v22(*(_QWORD *)(HalpInterruptController + 16), v39, &v34, v11, v38);
          if( (v17 & 0x200) != 0 )
            _enable();
          if( (v13 & 0x80000000) != 0i64 )
            return v13;
        }
        v18 += 6;
      }
      while( (unsigned __int64)v18 < HalpInterruptClusterDataEnd );
    }
LABEL_39:
    v28 = v51[0];
    LOWORD(v29) = 0;
    while( v28 )
    {
LABEL_43:
      _BitScanForward64(&v30, v28);
      LODWORD(v34) = 4;
      v28 &= ~(1i64 << v30);
      DWORD2(v34) = *(_DWORD *)(HalpInterruptTargets
                              + 24i64
                              * (unsigned int)KiProcessorNumberToIndexMappingTable[64 * (unsigned __int16)v29
                                                                                 + (unsigned __int8)v30]
                              + 8);
      v43[1] = *(_DWORD *)(HalpInterruptIpiLines + 20);
      v43[0] = *(_DWORD *)(HalpInterruptIpiLines + 16);
      v31 = *(__int64(__fastcall **)(_QWORD, int *, __int128 *, _QWORD, int *))(HalpInterruptController + 120);
      v42[0] = -1;
      v42[1] = 1;
      _disable();
      LODWORD(v13) = v31(*(_QWORD *)(HalpInterruptController + 16), v43, &v34, v11, v42);
      if( (v17 & 0x200) != 0 )
        _enable();
      if( (v13 & 0x80000000) != 0i64 )
        return v13;
    }
    while( 1 )
    {
      v29 = (unsigned __int16)(v29 + 1);
      if( (unsigned int)v29 >= v48 )
        return v13;
      v28 = v51[v29];
      if( v28 )
        goto LABEL_43;
    }
  }
  if( HalpInterruptPhysicalModeOnly )
    goto LABEL_39;
  v23 = Affinity.Bitmap[0];
  LOWORD(v24) = 0;
  LODWORD(v34) = 5;
  DWORD2(v34) = 0;
  while( v23 )
  {
LABEL_33:
    _BitScanForward64(&v25, v23);
    v23 &= ~(1i64 << v25);
    v26 = (unsigned __int8)v25 + ((unsigned __int16)v24 << 6);
    LODWORD(v13) = HalpInterruptTargets;
    if( *(_DWORD *)(HalpInterruptTargets + 24i64 * (unsigned int)KiProcessorNumberToIndexMappingTable[v26]) == 5 )
    {
      LODWORD(v13) = *(_DWORD *)(HalpInterruptTargets
                               + 24i64 * (unsigned int)KiProcessorNumberToIndexMappingTable[v26]
                               + 8);
      DWORD2(v34) |= v13;
    }
  }
  while( 1 )
  {
    v24 = (unsigned __int16)(v24 + 1);
    if( (unsigned int)v24 >= Affinity.Count )
      break;
    v23 = Affinity.Bitmap[v24];
    if( v23 )
      goto LABEL_33;
  }
  if( !DWORD2(v34) )
    goto LABEL_39;
  v40[0] = -1;
  v40[1] = 1;
  v41[1] = *(_DWORD *)(HalpInterruptIpiLines + 20);
  v41[0] = *(_DWORD *)(HalpInterruptIpiLines + 16);
  v27 = *(__int64(__fastcall **)(_QWORD, int *, __int128 *, _QWORD, int *))(HalpInterruptController + 120);
  _disable();
  LODWORD(v13) = v27(*(_QWORD *)(HalpInterruptController + 16), v41, &v34, v11, v40);
  if( (v17 & 0x200) != 0 )
    _enable();
  if( (v13 & 0x80000000) == 0i64 )
    goto LABEL_39;
  return v13;
}

Referenced by: