Date: Tue, 23 Jul 1996 14:43:47 -0500 From: "Eric L. Hernes" <erich@lodgenet.com> To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) Cc: freebsd-hackers@freebsd.org (FreeBSD hackers) Subject: Re: Bootable CD roms Message-ID: <199607231943.OAA04317@jake.lodgenet.com> In-Reply-To: Your message of "Tue, 23 Jul 1996 20:43:15 %2B0200." <199607231843.UAA11090@uriah.heep.sax.de>
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J Wunsch writes: >As Eric L. Hernes wrote: > >I've also been looking at El Torito, and figured that they've invented >a lot of useless crap. :) For the most part I'd agree. All that's really needed is a simple way for the bios get code off CD. > >If i'd give it a try, i would use the emulationless approach. We've >got plenty of space on the CD's (there's 32 KB unused space before the >cd9660 f/s starts), this should be enough even for an X11-based >bootstrap loader. ;) > >If you want a self-contained CD-ROM bootable file system, you probably >need some MFS root version. Yea, I've got a hacked up boot.flp that has a minimum kernel with sbin/init, bin/sh, and etc/rc on an MFS root.. > >Btw., i've also downloaded their guide how to make a bootable CD from >an image, but dismissed it instantly. I don't think it's worth the >Internet bandwidth. Writing a bootloader is certainly the smallest >part when designing a CD-bootable BSD. > I thought that was more useful than the spec ;-). It looked like I could make a cd bootable from boot.flp pretty easily, no? The project I'm working on is to have an mpeg player as a stand-alone box. I'd like to pull mpeg content off cdrom. I really don't want to put a hard disk in it. My options are to boot from floppy, or boot from CD. I'd like to use the CD. The problem is that CD-booting is real new and I'm having a bit of a problem figuring out which hardware supports it. After I've found hardware that'll support booting, I'll hack on mkisofs to spit out a bootable image. >-- >cheers, J"org > >joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE >Never trust an operating system you don't have sources for. ;-) eric. -- erich@lodgenet.com http://rrnet.com/~erich erich@rrnet.com
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