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From: mjkerpan@kerpan.com (Michael Kerpan)
Subject: [TUHS] COHERENT sources released under 3-clause BSD license.
Date: Wed, 7 Jan 2015 14:02:22 -0500	[thread overview]
Message-ID: <CAHfSdrUXSYnw9f_EcaZaeUFaPBcQrfaNKzT=+me6=cACHr7H4g@mail.gmail.com> (raw)
In-Reply-To: <20150107194757.GA95@amu.edu.pl>

My main interest is actually in pre-386 code. I'd love to see how a
Unix-like system could be made to work on an 8086 or a 286. Did any of that
code survive to the 4.2 era or were things 32-bit only by that point?

Mike
On Jan 7, 2015 1:46 PM, "Andrzej Popielewicz" <andrzejpopielewicz at gmail.com>
wrote:

> * Warner Losh <imp at bsdimp.com> [2015-01-06 11:09:58]:
>
> >
> > > On Jan 6, 2015, at 10:04 AM, Dan Cross <crossd at gmail.com> wrote:
> > >
> > > On Tue, Jan 6, 2015 at 11:48 AM, Rico Pajarola <rp at servium.ch> wrote:
> > > adding the list back
> > >
> > > On Tue, Jan 6, 2015 at 10:42 AM, Michael Kerpan <mjkerpan at kerpan.com>
> wrote:
> > > This is a cool development. Does this code build into a working
> version of Coherent or is this mainly useful to study? Either way, it
> should be interesting to look at the code for a clone specifically aimed at
> low-end hardware.
> > >
> > > Unknown (to me, anyway).  Steve said he had intended to organize and
> catalog the code at some point, but that he hasn't gotten around to it (and
> not to hold one's breath).  I gathered that the tar ball he provided is a
> snapshot of (a subset of?) the MWC development disks at the time he was
> asked to create the archive.  To that end, I suspect that if one were
> sufficiently motivated one *could* use it to build a distribution of
> COHERENT, but I suspect you'd have to know quite a bit about their internal
> development practices and release processes to do so successfully;
> knowledge that may very well have been lost over time.  Perhaps some
> motivated person will be able to reverse engineer it, though I suspect it's
> more useful as a case study than as working code.
> >
> > Looking at the tarballs and the tarballs inside, this is a mess. It
> looks like it is all there, but there???s multiple copies of things that
> are almost identical, RCS files that are mostly enough, but not completely
> enough, etc. Plus they were using gcc 2.5.1 for compiling things, so using
> a more modern compiler likely will result in ???difficulties???. There???s
> some docs laying around, but I haven???t read through them all. The
> collection needs curating TLC...
> >
> > Warner
> >
>
>
>
> > _______________________________________________
> > TUHS mailing list
> > TUHS at minnie.tuhs.org
> > https://minnie.tuhs.org/mailman/listinfo/tuhs
> Hi,
> They have used also gcc-2.5.6 , which is in TUHS archives , I believe.
> I have ported gcc-2.8.1,2.95.3,3.2.3 and 4.2.x. Almost 95% of kernel
> sources
> compiles well with these newer compilers.
> Andrzej
>
> _______________________________________________
> TUHS mailing list
> TUHS at minnie.tuhs.org
> https://minnie.tuhs.org/mailman/listinfo/tuhs
>
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  reply	other threads:[~2015-01-07 19:02 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-06 13:41 Doug McIlroy
2015-01-06 14:25 ` Rico Pajarola
     [not found]   ` <CAHfSdrUT3VWQnezocJmM02v3-Syx4N7i+8mjwbggYW4ejwvc7A@mail.gmail.com>
2015-01-06 16:48     ` Rico Pajarola
2015-01-06 17:04       ` Dan Cross
2015-01-06 18:09         ` Warner Losh
2015-01-07 19:47           ` Andrzej Popielewicz
2015-01-07 19:02             ` Michael Kerpan [this message]
2015-01-07 21:19               ` Warner Losh
2015-01-07 19:40         ` Andrzej Popielewicz
2015-01-08  3:22           ` Dan Cross
2015-01-06 18:41       ` random832
2015-01-06 19:38         ` Milo Velimirović
2015-01-06 19:50           ` Jacob Goense
2015-01-07 20:17             ` Andrzej Popielewicz
2015-01-07 22:19               ` Jacob Goense
2015-01-09  9:50               ` Jose R. Valverde
2015-01-06 19:52           ` Dan Cross
2015-01-07 19:36       ` Andrzej Popielewicz
2015-01-07 20:03       ` Andrzej Popielewicz
  -- strict thread matches above, loose matches on Subject: below --
2015-01-06  2:23 Dan Cross
2015-01-06  2:40 ` Larry McVoy
2015-01-06  2:49   ` Larry McVoy
2015-01-06  3:01     ` Warner Losh
2015-01-06  8:07 ` Warren Toomey
2015-01-06 18:02   ` Warner Losh

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