* [ECOS] Redboot Bootable CD @ 2007-06-08 12:23 M Arshad Khan 2007-06-08 13:51 ` Andrew Lunn 0 siblings, 1 reply; 5+ messages in thread From: M Arshad Khan @ 2007-06-08 12:23 UTC (permalink / raw) To: ecos-discuss Hello is there any way of making Redboot bootable CD instead of floppy? -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [ECOS] Redboot Bootable CD 2007-06-08 12:23 [ECOS] Redboot Bootable CD M Arshad Khan @ 2007-06-08 13:51 ` Andrew Lunn 2007-06-08 14:27 ` Nick Garnett 0 siblings, 1 reply; 5+ messages in thread From: Andrew Lunn @ 2007-06-08 13:51 UTC (permalink / raw) To: M Arshad Khan; +Cc: ecos-discuss On Fri, Jun 08, 2007 at 10:37:33AM +0500, M Arshad Khan wrote: > Hello > is there any way of making Redboot bootable CD instead of floppy? I believe the bootable CD format is actually based around floppy. Take a read of http://tldp.org/HOWTO/Bootdisk-HOWTO/cd-roms.html and other similar HOWTOs. Andrew -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [ECOS] Redboot Bootable CD 2007-06-08 13:51 ` Andrew Lunn @ 2007-06-08 14:27 ` Nick Garnett 2007-06-08 14:36 ` Andrew Lunn 0 siblings, 1 reply; 5+ messages in thread From: Nick Garnett @ 2007-06-08 14:27 UTC (permalink / raw) To: Andrew Lunn; +Cc: M Arshad Khan, ecos-discuss Andrew Lunn <andrew@lunn.ch> writes: > On Fri, Jun 08, 2007 at 10:37:33AM +0500, M Arshad Khan wrote: > > Hello > > is there any way of making Redboot bootable CD instead of floppy? > > I believe the bootable CD format is actually based around floppy. Take > a read of http://tldp.org/HOWTO/Bootdisk-HOWTO/cd-roms.html and other > similar HOWTOs. While the current floppy code could be adapted, the simplest approach is probably to build RedBoot for GRUB booting and then install GRUB on the CD to load RedBoot. -- Nick Garnett eCos Kernel Architect eCosCentric Limited http://www.eCosCentric.com/ The eCos experts Barnwell House, Barnwell Drive, Cambridge, UK. Tel: +44 1223 245571 Registered in England and Wales: Reg No 4422071. -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [ECOS] Redboot Bootable CD 2007-06-08 14:27 ` Nick Garnett @ 2007-06-08 14:36 ` Andrew Lunn 2007-06-11 14:05 ` Nick Garnett 0 siblings, 1 reply; 5+ messages in thread From: Andrew Lunn @ 2007-06-08 14:36 UTC (permalink / raw) To: Nick Garnett; +Cc: Andrew Lunn, M Arshad Khan, ecos-discuss On Fri, Jun 08, 2007 at 01:56:37PM +0100, Nick Garnett wrote: > Andrew Lunn <andrew@lunn.ch> writes: > > > On Fri, Jun 08, 2007 at 10:37:33AM +0500, M Arshad Khan wrote: > > > Hello > > > is there any way of making Redboot bootable CD instead of floppy? > > > > I believe the bootable CD format is actually based around floppy. Take > > a read of http://tldp.org/HOWTO/Bootdisk-HOWTO/cd-roms.html and other > > similar HOWTOs. > > While the current floppy code could be adapted, the simplest approach > is probably to build RedBoot for GRUB booting and then install GRUB on > the CD to load RedBoot. Just for interest, what actually would need adopting? If it works for a floppy, why would it not work for a bootable CD? Thanks Andrew -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [ECOS] Redboot Bootable CD 2007-06-08 14:36 ` Andrew Lunn @ 2007-06-11 14:05 ` Nick Garnett 0 siblings, 0 replies; 5+ messages in thread From: Nick Garnett @ 2007-06-11 14:05 UTC (permalink / raw) To: Andrew Lunn; +Cc: M Arshad Khan, ecos-discuss Andrew Lunn <andrew@lunn.ch> writes: > On Fri, Jun 08, 2007 at 01:56:37PM +0100, Nick Garnett wrote: > > Andrew Lunn <andrew@lunn.ch> writes: > > > > > On Fri, Jun 08, 2007 at 10:37:33AM +0500, M Arshad Khan wrote: > > > > Hello > > > > is there any way of making Redboot bootable CD instead of floppy? > > > > > > I believe the bootable CD format is actually based around floppy. Take > > > a read of http://tldp.org/HOWTO/Bootdisk-HOWTO/cd-roms.html and other > > > similar HOWTOs. > > > > While the current floppy code could be adapted, the simplest approach > > is probably to build RedBoot for GRUB booting and then install GRUB on > > the CD to load RedBoot. > > Just for interest, what actually would need adopting? If it works for > a floppy, why would it not work for a bootable CD? CDs use a 2k sector size. So I think the 0xAA55 at the end of the first sector would need moving up to the 2k boundary. The code that reads RedBoot in would need to be adjusted to work in 2k sector sizes. Also, I am not sure that the straightforward approach to put the image on the first n sectors of a floppy will necessarily work with a CD. But I don't really know. If the BIOS hides all this and makes it look like a floppy, then maybe it will just work. The main thrust of my post was that with GRUB installed on the CD, there should not be any need to do any of this. -- Nick Garnett eCos Kernel Architect eCosCentric Limited http://www.eCosCentric.com/ The eCos experts Barnwell House, Barnwell Drive, Cambridge, UK. Tel: +44 1223 245571 Registered in England and Wales: Reg No 4422071. -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2007-06-08 14:36 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2007-06-08 12:23 [ECOS] Redboot Bootable CD M Arshad Khan 2007-06-08 13:51 ` Andrew Lunn 2007-06-08 14:27 ` Nick Garnett 2007-06-08 14:36 ` Andrew Lunn 2007-06-11 14:05 ` Nick Garnett
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