[LinuxBIOS] USB floppy boot

Myles Watson 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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