HalacpiIrqTranslateResourceRequirementsIsa

NTSTATUS __stdcall HalacpiIrqTranslateResourceRequirementsIsa(
        PVOID Context,
        IO_RESOURCE_DESCRIPTOR *Source,
        DEVICE_OBJECT *PhysicalDeviceObject,
        IO_RESOURCE_DESCRIPTOR **Target){
  unsigned int v4; 
  NTSTATUS v5; 
  __int64 v6; 
  unsigned int v9; 
  unsigned int v10; 
  char *v11; 
  char *v12; 
  unsigned int v13; 
  unsigned __int16 v14; 
  char v15; 
  int v16; 
  char *v17; 
  unsigned int v18; 
  unsigned int v19; 
  int v20; 
  _BYTE *v21; 
  _BYTE *v22; 
  unsigned int *v23; 
  unsigned int v24; 
  unsigned int v25; 
  __int64 v26; 
  __int64 v27; 
  __int64 v28; 
  unsigned int v30; 
  VOID *PoolWithTag; 
  _OWORD *v32; 
  __int64 v33; 
  __int64 v34; 
  __int64 v35; 
  __int64 v36; 
  _DWORD *v37; 
  __int64 v38; 
  SIZE_T NumberOfBytes; 
  char *v40; 
  __int16 v41; 
  _QWORD *v43; 
  v4 = *((_DWORD *)Source + 2);
  v5 = 0;
  v6 = 0i64;
  v9 = 0;
  if( v4 + 0x100000 <= 0xFFFFE )
    goto LABEL_29;
  v10 = *((_DWORD *)Source + 3);
  if( v10 + 0x100000 <= 0xFFFFE )
    return -1073741823;
  if( (unsigned __int8)HalpIsInterruptTypeSecondary(0i64, v4)
    && (unsigned __int8)HalpIsInterruptTypeSecondary(0i64, v10) )
  {
LABEL_29:
    PoolWithTag = ExAllocatePoolWithTag(PagedPool, 0x20ui64, 0x206C6148ui64);
    *v43 = PoolWithTag;
    if( PoolWithTag )
    {
      *(_DWORD *)Target = 1;
      v32 = (_OWORD *)*v43;
      *v32 = *(_OWORD *)Source;
      v32[1] = *((_OWORD *)Source + 1);
      return 0;
    }
    return -1073741670;
  }
  NumberOfBytes = 32 * (v10 - v4 + 3);
  v11 = (char *)ExAllocatePoolWithTag(PagedPool, NumberOfBytes, 0x206C6148ui64);
  v40 = v11;
  v12 = v11;
  if( !v11 )
    return -1073741670;
  memset((INT64)v11, 0i64);
  v13 = *((_DWORD *)Source + 2);
  if( v13 > 2 || (v30 = *((_DWORD *)Source + 3), v30 < 2) )
  {
    v6 = 1i64;
    *(_OWORD *)v12 = *(_OWORD *)Source;
    *((_OWORD *)v12 + 1) = *((_OWORD *)Source + 1);
  }
  else
  {
    if( v13 < 2 )
    {
      v6 = 1i64;
      *(_OWORD *)v12 = *(_OWORD *)Source;
      *((_OWORD *)v12 + 1) = *((_OWORD *)Source + 1);
      *((_DWORD *)v12 + 2) = *((_DWORD *)Source + 2);
      *((_DWORD *)v12 + 3) = 1;
      v30 = *((_DWORD *)Source + 3);
    }
    if( v30 > 2 )
    {
      v33 = 32i64 * (unsigned int)v6;
      v6 = (unsigned int)(v6 + 1);
      *(_OWORD *)&v12[v33] = *(_OWORD *)Source;
      *(_OWORD *)&v12[v33 + 16] = *((_OWORD *)Source + 1);
      *(_DWORD *)&v12[v33 + 12] = *((_DWORD *)Source + 3);
      *(_DWORD *)&v12[v33 + 8] = 3;
    }
    if( *((_DWORD *)Source + 2) > 9u || *((_DWORD *)Source + 3) < 9u )
    {
      v34 = 32i64 * (unsigned int)v6;
      v6 = (unsigned int)(v6 + 1);
      *(_OWORD *)&v12[v34] = *(_OWORD *)Source;
      *(_OWORD *)&v12[v34 + 16] = *((_OWORD *)Source + 1);
      *(_DWORD *)&v12[v34 + 8] = 9;
      *(_DWORD *)&v12[v34 + 12] = 9;
    }
  }
  v14 = word_140C49DAE;
  v15 = 0;
  v41 = word_140C49DAE;
  v16 = 0;
  if( (_DWORD)v6 )
  {
    while( 1 )
    {
      v17 = &v12[32 * v16];
      v18 = *((_DWORD *)v17 + 3);
      if( v18 >= 0x10 )
        break;
      v19 = *((_DWORD *)v17 + 2);
      if( v19 >= 0x10 )
        break;
      v20 = v14;
      if( v18 >= v14 && v19 <= v14 )
      {
        if( v15 )
        {
          v5 = -1073741595;
          goto LABEL_24;
        }
        v15 = 1;
        if( v19 < v14 )
        {
          v35 = 32i64 * (unsigned int)v6;
          LODWORD(v6) = v6 + 1;
          *(_DWORD *)&v12[v35 + 8] = v19;
          *(_DWORD *)&v12[v35 + 12] = v14 - 1;
          v18 = *((_DWORD *)v17 + 3);
        }
        if( v18 > v14 )
        {
          v36 = 32i64 * (unsigned int)v6;
          LODWORD(v6) = v6 + 1;
          *(_DWORD *)&v12[v36 + 8] = v20 + 1;
          *(_DWORD *)&v12[v36 + 12] = *((_DWORD *)v17 + 3);
        }
        memmove((UINT8 *)&v12[32 * v16], (UINT8 *)v17 + 32, 32i64 * (unsigned int)(v6 - v16));
        v14 = v41;
        v6 = (unsigned int)(v6 - 1);
      }
      if( ++v16 >= (unsigned int)v6 )
        goto LABEL_12;
    }
    v5 = -1073741823;
  }
  else
  {
LABEL_12:
    v21 = ExAllocatePoolWithTag(PagedPool, NumberOfBytes, 0x206C6148ui64);
    v22 = v21;
    if( v21 )
    {
      memset((INT64)v21, 0i64);
      if( (_DWORD)v6 )
      {
        v23 = (unsigned int *)(v12 + 12);
        do
        {
          v24 = *(v23 - 1);
          v25 = *v23;
          do
          {
            v26 = v24;
            if( v24 < v25 )
            {
              v37 = (_DWORD *)HalpPicVectorRedirect + v24;
              do
              {
                v38 = v24 + 1;
                if( *v37 + 1 != *((_DWORD *)HalpPicVectorRedirect + v38) )
                  break;
                ++v37;
                ++v24;
              }
              while( (unsigned int)v38 < v25 );
            }
            v27 = 32i64 * v9;
            *(_OWORD *)&v22[v27] = *(_OWORD *)Source;
            *(_OWORD *)&v22[v27 + 16] = *((_OWORD *)Source + 1);
            if( v9 )
              v22[v27] = 8;
            ++v9;
            *(_DWORD *)&v22[v27 + 8] = *((_DWORD *)HalpPicVectorRedirect + v26);
            v28 = v24++;
            *(_DWORD *)&v22[v27 + 12] = *((_DWORD *)HalpPicVectorRedirect + v28);
          }
          while( v24 <= v25 );
          v23 += 8;
          --v6;
        }
        while( v6 );
        v12 = v40;
      }
      *(_DWORD *)Target = v9;
      if( v9 )
        *v43 = v22;
      else
        ExFreePoolWithTag(v22, 0);
    }
    else
    {
      v5 = -1073741670;
    }
  }
LABEL_24:
  ExFreePoolWithTag(v12, 0);
  return v5;
}

Referenced by: