[libre-riscv-dev] [Bug 178] first coriolis2 tutorial, workflow and "test project" page

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=178

--- Comment #64 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jean-Paul.Chaput from comment #63)
> I will look into it this afternoon.
> 
> > ok. that sounds like a good idea to me anyway.  mind racing ahead
> > somewhat, we probably should be creating a way to auto-generate
> > the entire structure based on information in the actual source
> > code.
> 
> I'm on the same line of though here. Reproductibility through full
> automation is a key point in this line of work. My brain was a
> little slow to kick off, but I finally reminded myself that, based on
> our experience at building ASICs here, it is fundamental that
> we choose *one* target platform, specify the *exact* versions
> (git hashes) of each tools to build the design.

eurk.  yeah.

> It can be a chrooted
> environment, a docker container, a full VM image or whatever so
> all people works exactly the same. We may provide the image and the
> fully automated procedure to rebuild it from scratch.

hmmm... ok.

> Considering a chrooted Debian 9, we should use the *same* user inside
> it. 

that makes sense.  not keen on it, as it becomes inconvenient to
schroot into.  mind you if that's done with a script (outside) it's
ok.

> Ideally the same name/UID, but keeping a common UID across various
> systems may be difficult, so at least the same name. 

that's a good idea.

> And publish the
> whole constructed chrooted filesystem (bit tarball).

bleuch.

> Running nMigen outside the chroot is a quick hack, but the kind that
> must be avoided. I've absolutely nothing against hack, as long as
> they can be automated.

i've installed nmigen inside.  it was a bit of a nuisance but doable.

debian 9 honestly is too old (no python 3.6), and stretch-backports
doesn't included it (the normal and stable way you'd include later
software)

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