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# Date Author Comment
75b9f690 03/22/2011 08:00 am Gleb Natapov

fix linuxboot.bin and multiboot.bin to not hijack int19

Currently linuxboot.bin and multiboot.bin option roms override int19
vector to intercept boot process. No sane option rom should do that.
Provide bev entry instead that will be called by BIOS if option rom...
590bf491 06/09/2010 01:35 pm Alexander Graf

Fix multiboot compilation

Commit dd4239d6574ca41c94fc0d0f77ddc728510ffc57 broke multiboot. It replaced the
instruction "rep insb (%dx), %es:(%edi)" by the binary output of
"addr32 rep insb (%dx), %es:(%di)".

Linuxboot calls the respective helper function in a code16 section. So the...
dd4239d6 11/21/2009 11:32 am Juergen Lock

Allow build of linuxboot.S with old assemblers

In the spirit of ff56954baf9cfab5cbbe18d10b4a09e4a17f39a8, fix the
build of linuxboot.S with old as(1) (as found in some BSD base systems)
by emitting the bytes of the insn it doesn't like instead.

Signed-off-by: Juergen Lock <>...
dd4b2659 11/17/2009 06:39 pm Alexander Graf

Move common option rom code to header file

We will have a linux boot option rom soon, so let's take all functionality
that might be useful for both to a header file that both roms can include.

That way we only have to write fw_cfg access code once.

Signed-off-by: Alexander Graf <>...