[PATCH v2] arch/x86/lib: implement cmdline configuration property

[Simon Glass]

Hi Guillaume,

On Mon, 13 Apr 2026 at 04:48, Guillaume Ranquet
<ranquet.guillaume at gmail.com> wrote:
>
> On Sun, 12 Apr 2026 13:37, Simon Glass <sjg at chromium.org> wrote:
> >Hi,
> >
> >On Sat, 11 Apr 2026 at 05:25, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
> >>
> >> Am 3. April 2026 16:28:23 MESZ schrieb Guillaume Ranquet <ranquet.guillaume at gmail.com>:
> >> >Implement the cmdline configuration property as described in the spec
> >> >[1]
> >>
> >>
> >> I can't see in the spec that the command line property is x86 specific. Why would you try to implement it in arch/x86?
> >>
> >
> >This is a little tricky though. It could perhaps be handled in
> >bootm_process_cmdline_env() by setting bootargs. Both legacy bootm and
> >bootstd (via the on_bootargs callback) would then pick it up without
> >any arch-specific code. But I haven't tried it. Commands like
> >'bootflow cmdline set' need to continue to operate as now.
> >
> >Regards,
> >Simon
> >
>
> Indeed, I've looked at implementing this in a generic way but it
> requires a bit of massaging to get things working.
>
> I was also under the impression that no one in their right mind would
> use the command line property if they had access to a device tree?
>
> Tell me if you think I should propose a generic implementation?

I'm happy with what you have for now, so I'll leave this to Heinrich.

Regards,
Simon