[LinuxBIOS] USB floppy boot
myles at pel.cs.byu.edu
Mon Dec 10 17:54:26 CET 2007
> On Sun, Dec 09, 2007 at 12:26:21AM -0800, Baski wrote:
> > I have a tiny kernel (not linux) and GRUB in a floppy disk. How can
> > I make it to boot using linuxbios?
> A few things need to be considered:
> * How does the kernel try to find the system information that is
> usually exported by the BIOS in quite old-fashioned ways?
> At a minimum, the kernel needs to know how much memory is in the
> system. LB does not offer the same methods as a BIOS to learn this.
> * Does the kernel use other BIOS interrupt services? LB does not
> offer any.
You could try ADLO (The Bochs emulator's BIOS as a LinuxBIOS payload) to
supply these services. The most recent BIOS from Bochs (not the one in the
LinuxBIOS tree) has some timing fixes that allow it to work in real
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