PiDevCfgInitDriverDatabaseCallback

CHAR __fastcall PiDevCfgInitDriverDatabaseCallback(const WCHAR *a1){
  void *PoolWithTag; 
  __int64 v3; 
  __int64 v4; 
  __int64 v5; 
  __int64 v6; 
  unsigned int v7; 
  int MatchingFilteredDeviceList; 
  const wchar_t *i; 
  int v10; 
  HANDLE v11; 
  __int64 v12; 
  int NumberOfBytes; 
  SIZE_T NumberOfBytesa; 
  int a6; 
  UINT64 a7; 
  INT64 a11; 
  unsigned int a8; 
  PVOID P; 
  HANDLE a4; 
  HANDLE v22; 
  HANDLE Handle; 
  SIZE_T v24; 
  v22 = 0i64;
  P = 0i64;
  PoolWithTag = 0i64;
  a8 = 0;
  LODWORD(v3) = 0;
  a4 = 0i64;
  v4 = 0i64;
  Handle = 0i64;
  LOBYTE(v24) = 0;
  if( PiPnpRtlCtx )
    v4 = *(_QWORD *)(PiPnpRtlCtx + 224);
  if( (int)SysCtxRegOpenKey(v4, (char *)0x80000002i64, a1, 0, 0x2000000u, &v22) >= 0 )
  {
    if( (int)PnpCtxOpenMachine(v5, (__int64)v22, v6, 0i64, NumberOfBytes, a6, &P) >= 0 )
    {
      v7 = 2048;
      a8 = 2048;
      while( v7 > (unsigned int)v3 )
      {
        v3 = v7;
        if( PoolWithTag )
          ExFreePoolWithTag(PoolWithTag, 0);
        PoolWithTag = ExAllocatePoolWithTag(PagedPool, 2 * v3, 0x63647050ui64);
        if( !PoolWithTag )
        {
          MatchingFilteredDeviceList = -1073741670;
LABEL_13:
          if( MatchingFilteredDeviceList >= 0 )
          {
            if( (_DWORD)v3 )
            {
              for( i = (const wchar_t *)PoolWithTag; *i; i += v12 + 1 )
              {
                if( (int)CmOpenDeviceRegKey((__int64)P, i, 16, 0, 0x2000000, 0, (__int64)&a4, 0i64) >= 0 )
                {
                  v10 = CmCreateDevice(PiPnpRtlCtx, i, 131103, &Handle, &v24, 0);
                  if( v10 >= 0 )
                  {
                    v11 = Handle;
                    if( (_BYTE)v24 )
                    {
                      LODWORD(a11) = 0x20000;
                      LODWORD(a7) = 1;
                      v10 = PiDevCfgCopyObjectProperties(
                              (INT64)P,
                              (INT64)i,
                              1ui64,
                              a4,
                              NumberOfBytesa,
                              (INT64)i,
                              a7,
                              (__int64)Handle,
                              0i64,
                              0i64,
                              a11);
                    }
                    ZwClose(v11);
                    if( v10 < 0 )
                      CmDeleteDevice(PiPnpRtlCtx, i, 0);
                  }
                  ZwClose(a4);
                }
                v12 = -1i64;
                do
                  ++v12;
                while( i[v12] );
              }
            }
          }
          break;
        }
        MatchingFilteredDeviceList = CmGetMatchingFilteredDeviceList(
                                       (__int64)P,
                                       (__int64)L"Root",
                                       1,
                                       0i64,
                                       0i64,
                                       (__int64)PoolWithTag,
                                       v3,
                                       (__int64)&a8);
        if( MatchingFilteredDeviceList != -1073741789 )
          goto LABEL_13;
        v7 = a8;
      }
      if( PoolWithTag )
        ExFreePoolWithTag(PoolWithTag, 0);
    }
    if( P )
      PnpCtxCloseMachine(P);
  }
  if( v22 )
    ZwClose(v22);
  return 1;
}

Referenced by: