Re: [RFC] x86 ELF bootable kernels/Linux booting Linux/LinuxBIOS

Marco Colombo
2002-02-04T09:54:10Z

On Sun, 3 Feb 2002, H. Peter Anvin wrote:

> Rob Landley wrote:
>
> >
> > You can pivot_root after the bios hands control over to the kernel, sure.
> > But if the bios can actually boot from arbitrary blocks on the CD before the
> > kernel takes over, this is news to me. And for the kernel to read from the
> > CD, it needs its drivers already loaded for it, so they have to be in that
> > 2.88 megs somewhere. (Statically linked, ramdisk, etc.)
> >
>
>
> No, the boot specification allows direct access to the CD. See the El
> Torito specification, specifically the parts that talk about "no
> emulation" mode.

Is this the -hard-disk-boot option of mkisofs?

.TM.