[SeaBIOS] Minimal config for booting GRUB2 from SATA drive
paulepanter at users.sourceforge.net
Mon Mar 18 11:43:10 CET 2013
Am Samstag, den 16.03.2013, 03:06 -0400 schrieb Kevin O'Connor:
> On Fri, Mar 15, 2013 at 06:03:07PM +0100, Paul Menzel wrote:
> > Am Donnerstag, den 14.03.2013, 19:35 -0400 schrieb Kevin O'Connor:
> > > On Thu, Mar 14, 2013 at 03:57:00PM +0100, Paul Menzel wrote:
> > > > I am using coreboot on the ASRock E350M1  with a SATA hard drive, I
> > > > want to boot from using the GRUB2 bootloader. For now I’d like to use
> > > > SeaBIOS 220.127.116.11 for jumping to the hard drive and execute(?) GRUB2.
> > > >
> > > > Using the default config file created by `make menuconfig` and selecting
> > > > a coreboot build and serial debug, everything works fine.
> > > >
> > > > As I am using Debian GNU/Linux I do not need any BIOS calls provided by
> > > > SeaBIOS and want to disable as much as possible too. So I disabled most
> > > > stuff, but could not boot from the hard drive.
> > >
> > > Can you up the debug level to 8 on the failed boot case and report the
> > > results?
> > The pasted log is with `CONFIG_PCIBIOS` and `CONFIG_PNPBIOS` set to true
> > too.
> You've enabled CONFIG_BOOTMENU while CONFIG_KEYBOARD is disabled -
> that doesn't make much sense. (The menu isn't of much use if one
> can't control it.)
True. As it is outputting the information what bootable medias are
found, it could be considered useful. But you are right. I am going to
> SeaBIOS shouldn't have hung - see patch below
It worked indeed! Thanks a lot!
> - but even with this fixed, grub (or whatever boot loader you plan to
> use) will likely crash without BIOS keyboard support. It's fine to
> disable CONFIG_USB_KEYBOARD and CONFIG_PS2PORT, but to disable the
> keyboard API is likely going to cause havoc.
There is no havoc besides that I could not use the USB keyboard (not
tested PS/2) as GRUB2 (in the current config (?)) does not enable it.
Additionally disabling most of the BIOS interfaces and using the
graphical menu of GRUB2, it is not shown but only funny colors. I am
going to open a separate thread for this though.
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