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Re: Linux on old R2000 workstation?

To: linux-mips@fnet.fr
Subject: Re: Linux on old R2000 workstation?
From: Dom Sweetman <dom@algor.co.uk>
Date: Tue, 27 Aug 1996 21:45:27 +0100 (BST)
In-reply-to: <199608271225.OAA13273@kernel.panic.julia.de>
References: <13036.9608271125@bank.algor.co.uk> <199608271225.OAA13273@kernel.panic.julia.de>
Ralf Baechle (ralf@julia.de) writes:

> Hmm...  Is the - just by chance - the hardware of the Whitechapel similar
> to the old MIPS machines?  Docs are missing for these and make a successful
> port of Linux to these machines difficult.

Alas no.  The Whitechapel was actually designed before any of these
others, and quite independently.  We'd all have *died* rather than use
anyone else' hardware designs - engineers were proud folk in those
far-off days.  Well, OK we snuck a look at the MIPS M/800 cache
design, but that hardly counts (and isn't visible to software, either).

> > .... whereas DEC and Sony are both little-endian.
> 
> Are you shure?  From what I know Sony (also NeWS!) is wired to big endian.
> The Sony people didn't implement an endian switch in their boards.

Now you've set off Horrible Doubts.  Why did I believe that about the
Sony?  Can't remember, so Ralf is likely right.  But I agree with him
that none of the systems of that age (that I knew about) were
switchable.   

Dominic Sweetman
dom@algor.co.uk

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