Date: Mon, 23 Oct 2000 16:12:37 -0700 From: Mike Smith <msmith@freebsd.org> To: Ronald G Minnich <rminnich@lanl.gov> Cc: David Miller <dmiller@search.sparks.net>, freebsd-hackers@FreeBSD.ORG Subject: Re: Boot off USB SanDisk? Message-ID: <200010232312.e9NNCbh05191@mass.osd.bsdi.com> In-Reply-To: Your message of "Fri, 20 Oct 2000 11:27:28 MDT." <Pine.LNX.4.21.0010201126290.21849-100000@mini.acl.lanl.gov>
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> > I'm booting to single-user in 3 seconds using these things. The IDE delays
> > are high, even for Flash IDE, so going for the socket is a good thing.
>
> should have said: single user Linux. FreeBSD did not work, I think because
> the bootup stuff in the kernel wants to as the BIOS "a few questions", and
> there's not bios there. If anyone wants to work on a non-bios-querying
> boot-time parameter interface for freebsd (like the one linux has) let me
> know. I would really like to boot freebsd out of flash.
Most of the infrastructure is already there. The kernel expects to be
able to use the SMAP interface to obtain a map of physical memory
segments; you will need to rewrite i386/i386/machdep.c:getmemsize() to
use whatever interface your firmware provides for locating usable
physical memory.
Likewise, you'll need to turn off the probing that goes on in
i386/i386/bios.c.
--
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also. But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view. [Dr. Fritz Todt]
V I C T O R Y N O T V E N G E A N C E
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