How can I a read in a DEF from a previous run and then route it?

[mumu157]

1、I used OpenROAD-flow-scripts to achieve synthesis and floor planning.
2、Then, I dumped DEF and LEF files and used my own placement tool to obtain the .def file.
3、Now, I'm wondering how I can proceed to the next steps by flow, such as clock tree synthesis (CTS), routing, and more.

I have seen a similar solution in OpenLane, which can be found at The-OpenROAD-Project/OpenLane#1256.

Thank you.

[maliberty]

The flow doesn't automatically support that but you could modify the script for the next step in the flow to use read_lef/read_def, instead of read_odb, to load your files.