[coreboot] User interface on coreboot
Lap Ngo Doan
lapngodoan at gmail.com
Tue Aug 14 08:49:41 CEST 2012
Thank for you suggestion. I think bayou is suitable for me.
On Sun, Aug 12, 2012 at 6:40 PM, Alex G. <mr.nuke.me at gmail.com> wrote:
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> On 08/10/2012 03:09 AM, Lap Ngo Doan wrote:
> > Hi all, As you may know, when we enter to BIOS, we can use the
> > keyboard to change some settings such as : enable/disable
> > something, change boot devices priority ....It is kind of user
> > interface on BIOS. In the coreboot website, they said "*coreboot*
> > is a Free Software project aimed at *replacing the
> > proprietary**BIOS*
> This statement is unfortunately misleading. It's not our fault really.
> It comes from the tendency to name the firmware "BIOS", which is in
> fact hardware initialization, then the actual BIOS.
> Coreboot is the hardware initialization part.
> > If we want to add some interactions with hardware like BIOS
> > firmware provided us (use keyboard to enable/disable some
> > options....), how could we do it with coreboot?
> Keep those settings in NVRAM, and write a payload to read and modify
> NVRAM. libpayload is there for the taking; the biggest hurdle may be
> figuring out how to parse NVRAM (different hardware stores different
> settings in different places). You might also need to modify parts of
> coreboot to make it use NVRAM for settings.
> Some to most boards have a cmos.layout file. You can find a way to
> make that available to your payload. You have a bunch of options to
> play with.
> Then SeaBIOS can boot from CBFS, and you'd just have to use its boot
> menu to load your payload. For all others, there's debit bayou.
> This sounds like a cool project, and a nice way to get your hands
> dirty with coreboot, learn your way around.
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