[Libre-soc-bugs] [Bug 1073] Microwatt verilator sim - setting up chroot and documentation

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu Apr 27 16:41:55 BST 2023


--- Comment #1 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Andrey Miroshnikov from comment #0)

> As I've covered on the wiki page, the hello_world binary is loaded into RAM
> at synthesis, so compiled verilator sim should already have the program
> loaded.

mmm.... should be ok.

> However, even after running for over 18min on a Ryzen 3600 and verilator set
> to 11 threads, no terminal output appears.

don't do that arbitrarily.  you need to enable the FST compile option
which outputs gtkwave traces then go look at them.

> What would really help is some way to measure the progress of the simulation
> (and that it's not just sitting, running NOPs).

gtkwave trace, as i mentioned on the last call.

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