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Re: request for help to make powerpc custom boot disks



On Thu, Oct 11, 2001 at 10:04:32AM +0200, Michael Schmitz wrote:
> > > a good explanation (or a link to an Howto or a FAQ on it) would be greatly
> > > appreciated. I really need to solve this problem...
> > >
> >
> > I can hazard a guess that the reason you're not hearing anything here, is
> > that the capability to make a boot floppy for powerpc's doesn't exist yet.
> > You're plowing new ground, there aren't any FAQs or HowTo's.
> 
> It's a Mac, right? One of the old ones, with RealBrokenFirmware, at that?
> If that OF version cannot boot off a floppy directly, you're out of luck
> (if I understood Ethan's post on that topic right, you'd need to have
> MacOS drivers on that floppy, these are proprietary and cannot be
> distributed by Debian. See the archives for this).

not quite, MacOS drivers are not required on floppies, they are on
everything else (hard disks, CDROMs etc).  floppies are the only
exception and thats the only reason miboot boot-floppies are possible
in debian (thats what boot-hfs.bin is).

> Even if OF was up to the task: 'floppy' and 'without user intervention'
> doesn't sound quite right to me. Last time I checked, MacOS would spit out
> the floppy on shutdown/reboot.

the MacOSROM likes to spit out floppies on a regular basis as well.
thats what miboot is using.  besides that floppies go bad approximatly
every 10 seconds so the user will have to go create a new floppy every
other time anyway.

> If that doesn't scare you - the CHRP boot scripts commonly used to pick
> Linux or MockOS, plus whatever OF-loadable bootstrap, plus some code in
> the kernel to extract and relocate a compressed kernel, might do the
> trick.

well that sounds sorta like quik, except for the compressed kernel thing.

> If _I_ may hazard a guess: it's probably been considered too hard and not
> useful enough to try by others. You need the feature, you're in the best
> position to implement it.

OldWorlds are just a pain in the ass, thats all.

-- 
Ethan Benson
http://www.alaska.net/~erbenson/

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