HalDisableInterrupt

__int64 __fastcall HalDisableInterrupt(_DWORD *a1){
  int v2; 
  unsigned int v3; 
  unsigned int v5; 
  _DWORD *LinesForGsiRange; 
  _DWORD *v7; 
  ULONG_PTR *v8; 
  unsigned __int64 v9; 
  __int64 v10; 
  int v11; 
  unsigned int v12; 
  if( *a1 != 1 )
  {
LABEL_10:
    HalpInterruptLastProblem = 19;
    return(unsigned int)-1073741811;
  }
  v2 = a1[2];
  if( v2 )
  {
    if( v2 == 3 )
      return 0;
    goto LABEL_10;
  }
  v5 = a1[16];
  LinesForGsiRange = HalpInterruptFindLinesForGsiRange(v5, v5 + 1);
  v7 = LinesForGsiRange;
  if( !LinesForGsiRange )
  {
    if( ((unsigned __int8(__fastcall *)(_QWORD, _QWORD))off_140C00780[0])(0i64, v5) )
      return(unsigned int)HalpDisableSecondaryInterrupt(a1);
    HalpInterruptLastProblem = 18;
    return(unsigned int)-1073741811;
  }
  v11 = LinesForGsiRange[4];
  v12 = v5 + LinesForGsiRange[5] - LinesForGsiRange[7];
  HalpInterruptApplyOverrides(&v11, 0i64, 0i64);
  v8 = HalpInterruptLookupController(v11);
  if( !v8 )
    HalpInterruptLastProblem = 17;
  v9 = (unsigned __int8)HalpAcquireHighLevelLock(&HalpInterruptLock);
  v10 = *((_QWORD *)v7 + 5) + 56i64 * (int)(v12 - v7[5]);
  *(_DWORD *)(v10 + 12) &= ~0x10u;
  v3 = HalpInterruptSetLineStateInternal((__int64)v8, (__int64)&v11, v10);
  KxReleaseSpinLock(&HalpInterruptLock);
  __writecr8(v9);
  return v3;
}

Referenced by: