[TUHS] COHERENT sources released under 3-clause BSD license.

[Michael Kerpan]

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
> >
>
>
>
> > _______________________________________________
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> > TUHS at minnie.tuhs.org
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> 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
>
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