Messages in this thread | | | Date | Sat, 17 Sep 2005 17:56:08 +0200 | From | Jesper Juhl <> | Subject | Re: [i386 BOOT CODE] kernel bootable again |
| |
On 9/17/05, Giuseppe Bilotta <bilotta78@hotpop.com> wrote: > On Wed, 14 Sep 2005 11:42:12 +0200 (CEST), Pascal Bellard wrote: > > > The bootblock code is 497 bytes long. It must as simple as possible. > > Complex algorithms like fingerprinting can't be used. > > > > Geometry detection works with usual floppies. This patch goal is to > > support them like < 2.6 bootblocks did and fix 1M limitation and > > special formatting like 1.68M floppies. > > > > Geometry detection may work with non-traditional floppies but is not > > designed to. > > This is probably a stupid suggestion, but here it goes anyway: the > kernel has to be written on disk by something, right? > > So if the "something" knows (or can get to know) the sector/tracks > layout of the disk it's writing the kernel onto, it could store this > information in the bootblock (is there space for that?). The bootblock > code would then just read this info and use it. > > Of course, this would mean that making a kernel-bootable floppy > wouldn't be as simple as cp'ing the kernel image to /dev/fdwhatever, > but if a script/program designed to do this was included with the > kernel source (it wouldn't be too big ...) ... > I may be missing something here, but if you are going to do something like that, then why not just use a real bootloader instead?
-- Jesper Juhl <jesper.juhl@gmail.com> Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |