Simulating ADSP-21479

I am trying to simulate an app on the ADSP-21479.

I don't need any real-time I/O so simulation is fine.

I have tried both CCES_runner and chipfactory.

Here are the outputs :

CCES_runner.exe --target "ChipFactory Simulator" --processor ADSP-21479 --platform "ADSP-21479 Functional-Sim" -v --core "0,app.dxe"
Logging level: Full log output
No load prerequisites found for core 0.

chipfactory -proc ADSP-21479 app.dxe
ERROR: Unknown target architecture 'ADSP-21479'.

Can anyone advise how to simulate the app ?

Thanks very much,

John