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Date:      Mon, 26 Nov 2001 09:43:26 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Kurt Seel <kseel@utcorp.com>
Cc:        freebsd-small@FreeBSD.ORG
Subject:   Re: PicoBSD on a bootable CDROM?
Message-ID:  <XFMail.011126094326.jhb@FreeBSD.org>
In-Reply-To: <3BFF0B69.D7DCEA39@utcorp.com>

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On 24-Nov-01 Kurt Seel wrote:
> John Baldwin wrote:
> 
>> On 07-Nov-01 Eduardo B.Fonseca wrote:
>> > Great reference!
>> >
>> > I will start studying it as well :)
>>
>> Just so you know, I've just committed a new way of booting off a CD without
>> using a floppy image for x86.  Basically, you need to grab a loader and
>> cdboot
>> from -current and stick them along with the other loader bits on a CD in
>> /boot,
>> and use '-b boot/cdboot -no-emul-boot' as part of your mkisofs command line.
>>
>> You can then just put the kernel and mfsroot.gz on the root directory of the
>> CD.
>> Be sure to build the ISO with Rock Ridge support however so the loader can
>> find
>> all of its files properly.
> 
>  I've never messed with -current, will it be back-ported to -stable? I'de
> be mighty interested in seeing how it's done, I've been having bad results
> with the traditional 'emulated floppy' method. Could  you elaborate a bit
> more on the details?

I will probably backport it to stable once I know that it is working on other
people's computers.  It's fairly simple, instead of using a floppy image, you
have the entire CD available to you in the loader, so you can pull your kernel
and any other modules, etc. directly off the CD.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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