[PATCH 07/11] bootm: Split out bootargs environment reading / writing

[Simon Glass]

Hi Wolfgang,

On Wed, 21 Oct 2020 at 01:02, Wolfgang Denk <wd at denx.de> wrote:
>
> Dear Simon,
>
> In message <CAPnjgZ0LCKLdpq85gfyOU-Z0BJgydo_KY+JEX7KTb_WFDpFM+A at mail.gmail.com> you wrote:
> >
> > > > It is also useful for zimage to use a buffer, since it does not actually
> > > > put the Linux command line in the bootargs variable.
> > >
> > > ...which I consider a bug that should be fixed.
> >
> > OK I was wondering about that.
> >
> > The messy thing about zimage is that the command line comes from the
> > setup.bin in the kernel, and then needs to be modified. So you can't
> > just blindly use the 'bootargs' var. Perhaps that is why it wasn't
> > done?
>
> I can't say.  I never used zImages, and probably never will.
>
> > I also feel eventually that bootm could subsume zboot given the
> > similarities. Or maybe zboot just dies if people stop using the old
> > boot approach?
>
> I would not shed a tear.
>
> I cannot understand why people still use this.  We should more
> actively encourage the use of FIT images in favour of all these old
> formats.

Well x86 does support FIT, but oddly it still has the setup.bin
business, because the kernel requires it! At least it uses bootm,
though.

Something for the future...

Regards,
Simon