*BSD News Article 57267


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From: tom@uniserve.com (Tom Samplonius)
Newsgroups: comp.unix.bsd.netbsd.misc
Subject: Re: NetBSD on stand alone 040-card?
Date: 19 Dec 1995 02:08:38 GMT
Organization: UNIServe Online
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In article <DJr4G0.B2@icon.pp.se>, daniel@icon.pp.se says...
>
>I've been asked to verify the possibility to "port" NetBSD to a 
68040-based
>data-acquisition card/computer that a friend is planning. The 
computer-side
>of the card is to be kept simple and will at first consist of a 040 (or
>040EC), a 68360, 2MB PROM, 16MB RAM, a NCR SCSI-chip (5380/5390 or 
similar)
>and an Ethernet-chip (don't know brand or model, but certainly something
>"standard"). This will be linked to the data-acquisition part of the card
>(a TI C40-family DSP) through a clever and fast mem-mapped cache of some
>sort. I'm no HW-specialist, but this is what I can remember from the
>presentation I received.
>
>How much work would it involve to "port" NetBSD to run diskless on a card
>like this (forget SCSI and 68360)? Could the kernel easily be loaded from
>PROM and then continue booting from a network (a FreeBSD- or 
Linux-machine)?
>
>Could this be done by someone that knows next to nothing about MMU-
>programming? Is the source-code easy to grasp and self explanatory?

  First thing, make sure that Motorola's VME cards won't do what you want. 
 They are a single board 680x0 computer with SCSI, ethernet, and a VME bus 
connector.  NetBSD/OpenBSD already seem to run on them quite well.

Tom