[coreboot] ADLO for buildrom
kevin at koconnor.net
Thu May 1 03:53:43 CEST 2008
On Thu, May 01, 2008 at 01:58:50AM +0200, Stefan Reinauer wrote:
> Myles Watson wrote:
> > Legacybios is the Bochs BIOS ported to compile on gcc instead of with the
> > dev86 tools. Kevin's intent (I'm paraphrasing) was to make it easy to
> > update the BIOS so that more developers would be able to fix/improve it. He
> > hoped that the ability to boot operating systems with BIOS callbacks would
> > make Coreboot more popular as well.
Thanks Myles, that is a good summary.
> Is it tested and reliable in depth anywhere close to Qemu/Bochs BIOS? Or
> are we exchanging a fragile piece of code with a fragile and untested one?
What I have tested: booting linux, freedos, netbsd from floppy, cdrom,
and hard drives from qemu. I have reports of Windows XP working as
> The latest legacybios (0.2.0) was very bochs/qemu dependent, ie. it
> expected ram size reported in cmos instead of reading lbtable. We should
> definitely have a
> #define COMPILE_FOR_COREBOOT in either legacybios or bochs/qemu bios.
The legacybios code is currently just a port of bochs bios to gcc. I
know of no additional hardware restrictions that it imposes.
I'm working on going through all the external hardware dependencies
that bochs bios/legacybios impose - I plan to send an email when I
have the list completed.
Unfortunately, my home machine "blew up" some time back, and the
headache of getting a replacement machine has set me back about a
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