MxSwitchDescriptors

UINT64 *__fastcall MxSwitchDescriptors(UINT64 a1){
  _LOADER_PARAMETER_BLOCK *v1; 
  unsigned __int64 v2; 
  char *v3; 
  UINT64 *v4; 
  UINT64 v5; 
  int v6; 
  unsigned int v7; 
  __int64 *v8; 
  __int64 v9; 
  __int64 v10; 
  __int64 v11; 
  UINT64 *result; 
  v1 = KeLoaderBlock_0;
  v2 = (unsigned int)a1;
  v3 = (char *)KeLoaderBlock_0 + 32;
  v4 = (UINT64 *)&qword_140D5AD60[5 * (unsigned int)a1];
  v5 = v4[4];
  while( 2 )
  {
    if( !v5 )
    {
      v5 = *((_QWORD *)v1 + 5);
      goto LABEL_14;
    }
    while( 1 )
    {
      v5 = *(_QWORD *)(v5 + 8);
LABEL_14:
      if( (char *)v5 == v3 )
        break;
      v6 = *(_DWORD *)(v5 + 16);
      if( v6 == 2 || v6 == 24 )
      {
        v7 = 0;
        if( KeNumberNodes )
        {
          v8 = qword_140D5A380;
          do
          {
            if( v5 == *v8 )
              break;
            ++v7;
            v8 += 5;
          }
          while( v7 < (unsigned __int16)KeNumberNodes );
        }
        if( v7 >= (unsigned __int16)KeNumberNodes )
        {
          LODWORD(v9) = MiSearchNumaNodeTable(*(PVOID *)(v5 + 24));
          if( *(_DWORD *)(v9 + 8) == (_DWORD)v2 || (v10 = MxBootDescriptorAnyNode, _bittest64(&v10, v2)) )
          {
            MiInitializeBootMemoryDescriptor(v4, v5, *(_QWORD *)(v5 + 24), *(_QWORD *)(v5 + 32));
            *(_DWORD *)(v5 + 16) |= 0x40000000u;
            result = v4;
            MxFreeDescriptor[v2] = (__int64)v4;
            return result;
          }
        }
      }
    }
    v11 = MxBootDescriptorAnyNode;
    if( !_bittest64(&v11, v2) )
    {
      v4[4] = 0i64;
      MxBootDescriptorAnyNode = v11 | (1i64 << v2);
      v5 = 0i64;
      continue;
    }
    return 0i64;
  }
}

Referenced by: