PnpCmResourcesToIoResources

IO_RESOURCE_REQUIREMENTS_LIST *__stdcall PnpCmResourcesToIoResources(
        CM_RESOURCE_LIST *CmResourceList,
        UINT64 Priority,
        UINT64 a3){
  unsigned int v3; 
  int *v4; 
  unsigned int v5; 
  int v6; 
  int v8; 
  UINT64 v9; 
  __int64 v10; 
  unsigned int v11; 
  __int64 v12; 
  __int64 v13; 
  unsigned int v14; 
  char *PoolWithTag; 
  char *v16; 
  int v17; 
  char *v18; 
  int v19; 
  _DWORD *v20; 
  unsigned int v21; 
  int v22; 
  IO_RESOURCE_REQUIREMENTS_LIST *result; 
  UINT64 v24; 
  unsigned __int64 v25; 
  unsigned __int64 v26; 
  int v27; 
  int v28; 
  unsigned __int64 Start; 
  v3 = *(_DWORD *)Priority;
  v4 = (int *)(Priority + 4);
  v5 = 0;
  v6 = a3;
  v8 = 0;
  v9 = Priority + 4;
  if( !*(_DWORD *)Priority )
    return 0i64;
  v10 = v3;
  do
  {
    v11 = *(_DWORD *)(v9 + 12);
    v9 += 16i64;
    v8 += v11;
    if( v11 )
    {
      v12 = v11;
      do
      {
        v13 = 0i64;
        if( *(_BYTE *)v9 == 5 )
        {
          v13 = *(unsigned int *)(v9 + 4);
          --v8;
        }
        v9 += v13 + 20;
        --v12;
      }
      while( v12 );
    }
    --v10;
  }
  while( v10 );
  if( !v8 )
    return 0i64;
  v14 = v3 + v8;
  PoolWithTag = (char *)ExAllocatePoolWithTag(PagedPool, 32i64 * v14 + 72, 0x75737050ui64);
  v16 = PoolWithTag;
  if( !PoolWithTag )
    return 0i64;
  memset((INT64)PoolWithTag, 0i64);
  *((_DWORD *)v16 + 1) = *v4;
  v17 = *(_DWORD *)(Priority + 8);
  *((_DWORD *)v16 + 9) = v14;
  v18 = v16 + 72;
  *((_DWORD *)v16 + 12) = v6;
  v19 = 0;
  *((_DWORD *)v16 + 2) = v17;
  *(_QWORD *)(v16 + 12) = 0i64;
  *(_QWORD *)(v16 + 20) = 0i64;
  *((_DWORD *)v16 + 7) = 1;
  *((_DWORD *)v16 + 8) = 65537;
  *((_WORD *)v16 + 20) = -32767;
  *(_DWORD *)(v16 + 42) = 3;
  *((_WORD *)v16 + 23) = 0;
  if( *(_DWORD *)Priority )
  {
    while( 1 )
    {
      if( v19 )
      {
        *(_DWORD *)(v18 + 2) = 0;
        *(_WORD *)v18 = -4095;
        *((_WORD *)v18 + 3) = 0;
        v27 = *v4;
        if( *v4 == -1 )
          v27 = 1;
        *((_DWORD *)v18 + 2) = v27;
        *(_QWORD *)(v18 + 12) = (unsigned int)v4[1];
        v18 += 32;
      }
      v20 = v4 + 4;
      v21 = 0;
      if( v4[3] )
        break;
LABEL_21:
      v4 = v20;
      if( (unsigned int)++v19 >= *(_DWORD *)Priority )
        goto LABEL_22;
    }
    while( 1 )
    {
      *v18 = 1;
      v18[1] = *(_BYTE *)v20;
      v18[2] = *((_BYTE *)v20 + 1);
      *((_WORD *)v18 + 2) = *((_WORD *)v20 + 1);
      v18[3] = 0;
      *((_WORD *)v18 + 3) = 0;
      switch( *(_BYTE *)v20 )
      {
        case 1:
          goto LABEL_24;
        case 2:
          if( (*((_BYTE *)v20 + 2) & 2) != 0 )
          {
            *((_DWORD *)v18 + 3) = -2;
            v28 = *((unsigned __int16 *)v20 + 3);
            *((_DWORD *)v18 + 5) = 0;
            *((_DWORD *)v18 + 2) = ~v28;
            *((_WORD *)v18 + 8) = 4;
            *((_WORD *)v18 + 9) = *((_WORD *)v20 + 2);
            v26 = *(_QWORD *)(v20 + 3);
            goto LABEL_25;
          }
          v22 = v20[2];
          *((_DWORD *)v18 + 3) = v22;
          break;
        case 3:
          goto LABEL_24;
        case 4:
          if( *((char *)v20 + 2) < 0 )
          {
            *((_DWORD *)v18 + 2) = v20[2];
            *((_DWORD *)v18 + 3) = v20[2];
            *((_DWORD *)v18 + 4) = v20[1];
            *((_DWORD *)v18 + 5) = *((unsigned __int8 *)v20 + 12);
          }
          else
          {
            *((_DWORD *)v18 + 2) = v20[1];
            *((_DWORD *)v18 + 3) = v20[1];
          }
          goto LABEL_19;
        case 5:
          v5 = v20[1];
          goto LABEL_20;
        case 6:
          *((_DWORD *)v18 + 3) = v20[1];
          *((_DWORD *)v18 + 4) = v20[1] - 1 + v20[2];
          v22 = v20[2];
          break;
        case 7:
LABEL_24:
          Start = 0i64;
          v24 = RtlCmDecodeMemIoResource((_CM_PARTIAL_RESOURCE_DESCRIPTOR *)v20, &Start);
          *((_DWORD *)v18 + 2) = v20[3];
          v25 = Start;
          *((_QWORD *)v18 + 2) = Start;
          v26 = v25 + v24 - 1;
          *((_DWORD *)v18 + 3) = 1;
LABEL_25:
          *((_QWORD *)v18 + 3) = v26;
          goto LABEL_19;
        default:
          *((_DWORD *)v18 + 2) = v20[1];
          *((_DWORD *)v18 + 3) = v20[2];
          *((_DWORD *)v18 + 4) = v20[3];
          goto LABEL_19;
      }
      *((_DWORD *)v18 + 2) = v22;
LABEL_19:
      v18 += 32;
LABEL_20:
      v20 = (_DWORD *)((char *)v20 + v5 + 20);
      ++v21;
      v5 = 0;
      if( v21 >= v4[3] )
        goto LABEL_21;
    }
  }
LABEL_22:
  result = (IO_RESOURCE_REQUIREMENTS_LIST *)v16;
  *(_DWORD *)v16 = (_DWORD)v18 - (_DWORD)v16;
  return result;
}

Referenced by: