HalpInterruptSetLineState

NTSTATUS __stdcall HalpInterruptSetLineState(
        _INTERRUPT_LINE *Line,
        PVOID Vector,
        _KINTERRUPT_MODE Irql,
        _KINTERRUPT_POLARITY TriggerMode,
        _KINTERRUPT_POLARITY Polarity,
        _INTERRUPT_LINE *Destination,
        UINT64 Flags){
  unsigned __int64 v7; 
  char v8; 
  _INTERRUPT_LINE v9; 
  _INTERRUPT_LINE *v10; 
  _REGISTERED_INTERRUPT_CONTROLLER *v11; 
  INT64 v12; 
  _LIST_ENTRY *Lines; 
  _LIST_ENTRY *v14; 
  _LIST_ENTRY *Flink; 
  char v16; 
  __int64 v17; 
  bool v18; 
  __int128 v19; 
  __int128 v20; 
  __int128 v21; 
  NTSTATUS BestRouting; 
  NTSTATUS Priority; 
  char v24; 
  _LIST_ENTRY *Blink; 
  __int128 v27; 
  __int64 v28; 
  __int64 v29; 
  __int128 v30; 
  __int128 v31; 
  int v32[8]; 
  UINT64 SourceLine; 
  __int128 v34; 
  _LIST_ENTRY v35; 
  __int128 v36; 
  __int128 v37; 
  __int64 v38; 
  _INTERRUPT_LINE Linea; 
  char v40; 
  _KINTERRUPT_MODE TriggerModea; 
  unsigned int v42; 

  TriggerModea = TriggerMode;
  v40 = Irql;
  v42 = 0;
  v7 = (unsigned int)Vector;
  if( Polarity == InterruptActiveBoth )
  {
    v8 = 1;
    Polarity = InterruptActiveLow;
  }
  else if( Polarity == InterruptActiveBothTriggerHigh )
  {
    v8 = 1;
    Polarity = InterruptActiveHigh;
  }
  else
  {
    v8 = 0;
  }
  Linea = *Line;
  HalpInterruptApplyOverrides(&Linea, &Polarity, &TriggerModea);
  v9.UnitId = Linea.UnitId;
  v10 = (_INTERRUPT_LINE *)Flags;
  while( 1 )
  {
    v11 = HalpInterruptLookupController(v9.UnitId);
    v12 = (INT64)v11;
    if( !v11 )
    {
      *(&CmpDummyThreadEvent + 1789) = 17;
      return -1073741275;
    }
    if( (v11->Flags & 2) != 0 )
      KeBugCheckEx(0x5Cu, (PVOID)0x200, (PVOID)*(&CmpDummyThreadEvent + 1789), v11, (PVOID)0x7931847);
    Lines = HalpInterruptFindLines((unsigned int *)&Linea);
    v14 = Lines;
    if( !Lines )
    {
      *(_DWORD *)(v12 + 296) = 0;
      *(_QWORD *)(v12 + 304) = "minkernel\\hals\\lib\\interrupts\\common\\connect.c";
      *(&CmpDummyThreadEvent + 1789) = 18;
      *(_DWORD *)(v12 + 292) = 18;
      *(_DWORD *)(v12 + 312) = 2232;
      return -1073741275;
    }
    Flink = Lines[3].Flink;
    if( LOBYTE(Flink[v42].Flink) )
    {
      *(_DWORD *)(v12 + 296) = 0;
      *(_QWORD *)(v12 + 304) = "minkernel\\hals\\lib\\interrupts\\common\\connect.c";
      *(&CmpDummyThreadEvent + 1789) = 19;
      BestRouting = -1073741811;
      *(_DWORD *)(v12 + 292) = 19;
      *(_DWORD *)(v12 + 312) = 2245;
      return BestRouting;
    }
    v16 = 1;
    v17 = (__int64)v14[2].Blink + 56 * v42;
    v18 = BYTE4(Flink[v42].Blink) == 0;
    v19 = *(_OWORD *)(v17 + 16);
    v35 = *(_LIST_ENTRY *)v17;
    v20 = *(_OWORD *)(v17 + 32);
    v36 = v19;
    *(_QWORD *)&v19 = *(_QWORD *)(v17 + 48);
    v37 = v20;
    v21 = (__int128)Flink[v42];
    v38 = v19;
    v34 = v21;
    if( v18 )
    {
      BestRouting = HalpInterruptDestinationToTarget(v42, (__int64)Destination, v17 + 24);
      if( BestRouting < 0 )
      {
        *(_DWORD *)(v12 + 296) = BestRouting;
        *(&CmpDummyThreadEvent + 1789) = 22;
        *(_DWORD *)(v12 + 292) = 22;
        *(_QWORD *)(v12 + 304) = "minkernel\\hals\\lib\\interrupts\\common\\connect.c";
        *(_DWORD *)(v12 + 312) = 2322;
        goto LABEL_17;
      }
      BestRouting = HalpInterruptFindBestRouting(&Linea, *v10, (_INTERRUPT_LINE *)(v17 + 16));
      if( BestRouting < 0 )
        goto LABEL_31;
      *(_DWORD *)v17 = Polarity;
      *(_DWORD *)(v17 + 8) = TriggerModea;
      *(_BYTE *)(v17 + 4) = v8;
      *(_DWORD *)(v17 + 12) = 16;
      *(_DWORD *)(v17 + 48) = v7;
      Priority = HalpInterruptGetPriority(v12, v7);
      v24 = v40;
      *(_DWORD *)(v17 + 52) = Priority;
      *((_BYTE *)&CmpDummyThreadEvent + ((unsigned __int64)(unsigned __int8)v7 >> 4) + 7040) = v24;
    }
    else
    {
      if( !byte_140C4A319
        && (*(_DWORD *)(v17 + 48) != (_DWORD)v7
         || *(_DWORD *)(v17 + 8) != TriggerModea
         || *(_DWORD *)v17 != Polarity
         || *(_BYTE *)(v17 + 4) != v8) )
      {
        LODWORD(SourceLine) = 2287;
        HalpInterruptSetProblemEx(
          (_REGISTERED_INTERRUPT_CONTROLLER *)v12,
          InterruptProblemConnectionDataBaitAndSwitch,
          0i64,
          "minkernel\\hals\\lib\\interrupts\\common\\connect.c",
          SourceLine);
        KeBugCheckEx(0x5Cu, (PVOID)0x202, (PVOID)v17, (PVOID)*(unsigned int *)(v17 + 48), (PVOID)v7);
      }
      *(_DWORD *)(v17 + 12) |= 0x10u;
    }
    _InterlockedOr(v32, 0);
    BestRouting = HalpInterruptSetLineStateInternal(
                    (_REGISTERED_INTERRUPT_CONTROLLER *)v12,
                    &Linea,
                    (_INTERRUPT_LINE_STATE *)v17);
    if( BestRouting < 0 )
      goto LABEL_31;
    v16 = 0;
    if( *(_DWORD *)(v17 + 20) == v10->Line && *(_DWORD *)(v17 + 16) == v10->UnitId )
      break;
    v9 = *(_INTERRUPT_LINE *)(v17 + 16);
    Linea = v9;
  }
  BestRouting = 0;
LABEL_17:
  if( BestRouting < 0 && v16 )
  {
LABEL_31:
    Blink = v14[2].Blink;
    v27 = v36;
    v28 = 56i64 * v42;
    v29 = v42;
    *(_LIST_ENTRY *)((char *)Blink + v28) = v35;
    v30 = v37;
    *(_LIST_ENTRY *)((char *)&Blink[1] + v28) = (_LIST_ENTRY)v27;
    *(_QWORD *)&v27 = v38;
    *(_LIST_ENTRY *)((char *)&Blink[2] + v28) = (_LIST_ENTRY)v30;
    v31 = v34;
    *(_LIST_ENTRY **)((char *)&Blink[3].Flink + v28) = (_LIST_ENTRY *)v27;
    v14[3].Flink[v29] = (_LIST_ENTRY)v31;
  }
  return BestRouting;
}

Referenced by: