[topgen.py]FileNotFoundError: ‘hw/top_earlgrey/data/ip/ast/data/ast.hjson’

[lin-snail]

Description

• run the topgen.py command line: util/topgen.py -t hw/top_earlgrey/data/autogen/top_earlgrey.gen.hjson -o hw/top_earlgrey/
• issue: FileNotFoundError: [Errno 2] No such file or directory: 'hw/top_earlgrey/data/ip/ast/data/ast.hjson'

[rswarbrick]

I just ran locally with make -C hw top and everything worked (which is probably a workaround for you). I can also see the error you report if I run the command you show above.

Looking at the difference in what runs in the two cases, I notice that the working version runs

util/topgen.py -t hw/top_earlgrey/data/top_earlgrey.hjson -o hw/top_earlgrey/

(notice the different path to the hjson file). The path you're giving as an input is actually an output from topgen.

But the error that comes out is a bit rubbish! Let's keep this issue open until we've sorted that out.

[lin-snail]

Thanks for your help. It is ok with the following command line:

• make -C hw top
• util/topgen.py -t hw/top_earlgrey/data/top_earlgrey.hjson -o hw/top_earlgrey/

[rswarbrick]

I'm keeping this open to track the fact that we could improve the tooling messages to explain what's going on more clearly. That change is hopefully available in the linked PR.