[coreboot] native video init question

ron minnich rminnich at gmail.com
Thu Nov 24 21:13:09 CET 2016

ok, Nico, let's get this done :-)

I'm reviewing pending CLs from you, you'll need to fix the builds that

native graphics init has gone through several stages in linuxbios/coreboot,
in 2000, 2001, 2003, 2012, ...

I think the stuff you're pushing is some of the best we've seen.

Keep me posted on anything you need.



On Thu, Nov 24, 2016 at 12:01 PM Nico Huber <nico.h at gmx.de> wrote:

> Hi,
> On 20.11.2016 21:29, ron minnich wrote:
> > I also wonder if you could use the code Nico put in for the graphics
> init.
> > I have no idea if it's possible, Nico could tell us. But that code looks
> > really thorough and might work better.
> I suppose, it (libgfxinit) would just work (if you get it to compile).
> It's well tested on Ivy Bridge with the MRC blob (kontron/ktqm77, roda/
> rv11, roda/rw11) and Sandy Bridge with native raminit (lenovo/t420).
> To compile it, you need an Ada toolchain (this is where most people run
> off). And to get it running you need several patches in coreboot that
> are still under review. Tip of the minimum for kontron/ktqm77 is [1].
> If anyone wants to try, the most reliable way to get the Ada toolchain
> is to install a `gnat` or `gcc-ada` package matching gcc from your dis-
> tribution. Then rebuild the coreboot toolchain with `-l c,ada -b`, e.g.
>   mv util/crossgcc/xgcc{,.bak} &&
>   make BUILDGCC_OPTIONS="-l c,ada -b" CPUS=8 crossgcc-i386
> and wait for an unexpected long period (the `-b` makes it slow, but it's
> more likely to succeed).
> Nico
> [1] https://review.coreboot.org/#/c/17074/
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