Due to a problem with the Arria® 10 Hard IP for PCI® Express when in Avalon-MM mode, VHDL simulation is not supported under NCSim.
Errors in the form below will be observed if you attempt this unsupported flow and source the ncsim_setup.sh script:
ncsim: 14.10-s013: (c) Copyright 1995-2014 Cadence Design Systems, Inc.
ncsim: *F,NOSNAP: Snapshot *_tb\' does not exist in the libraries.
ncelab: *W,CUNOTB: component instance is not fully bound
This issue is expected and is not currently scheduled to be fixed.