Re: [SeaBIOS] [coreboot] UEFI project ideas

[Martin Roth]

Here's a patch to build the UEFI coreboot payload package directly as a
coreboot payload.

https://review.coreboot.org/#/c/15057/

Martin

On Tue, Jun 7, 2016 at 1:13 PM, Zoran Stojsavljevic <
[e-mail]> wrote:
> > I fail to see what you are trying to tell me.
> > I'm not sure you even know what a CSM is.
>
> I probably do not. ;-)
> > And what has all this to do with seabios?
>
> Did I ever mention SeaBIOS to play minimal TianoCore?
>
> Thank you,
> Zoran
>
> On Tue, Jun 7, 2016 at 5:18 PM, Gerd Hoffmann  wrote:
> > On Di, 2016-06-07 at 16:35 +0200, Zoran Stojsavljevic wrote:
> > > > Note that you can build seabios as CSM for tianocore already.
> > > These are the opposites: SeaBIOS is CSM ON (emulates Leagcy BIOS),
> > > while Tiano Core supposed to be CSM OFF (UEFI), Thus, SeaBIOS and
> > > Tiano Core exclude each other (should not be used together -> wrong
> > > architecture).
> >
> > I fail to see what you are trying to tell me.
> > I'm not sure you even know what a CSM is.
> > > > What is the point? You can just run tianocore as coreboot playload.
> > > The point is to make minimal Tiano Core (minimum for making FAT32
> > > partition/file system on HDD/SDD to create /boot/EFI/ directory, in
> > > other words minimal UEFI compliant BIOS), Tiano Core as such is good
> > > to be used/run for/on x86 architecture ONLY (and side effect is the
> > > extended time for booting, since all these DXE drivers must be
> > > installed, which will be later mostly replaced/run over with OS
> > > drivers, except run time services).
> > > As such, Minimal Tiano Core (minimal UEFI compliant BIOS) could be
> > > used on ARM architectures too, thus making ARM HW platforms also
> > > compatible/lookalike as x86 UEFI compliant BIOS.
> >
> > tianocore already runs on arm.
> > seabios doesn't and it never will.
> > > In nutshell, then you can build PC/Laptop with ARM CPU/SoC HW
> > > platform, having coreboot + minimal Tiano Core + WIN 10 Boot Loader +
> > > WIN10 on it (since WIN10 BL does see UEFI compliance, not knowing what
> > > is really under the hood). ;-)
> >
> > And what has all this to do with seabios?
> >
> > confused,
> >   Gerd