[U-Boot] recommended place to add some custom settings to u-boot environment?

[Robert P. J. Day]

On Wed, 14 Sep 2016, Wolfgang Denk wrote:

> Dear Robert,
>
> In message <alpine.LFD.2.20.1609140524480.27791 at localhost.localdomain> you wrote:
> >
> > > Why not simply putting this as text (or wrapped with an uImage
> > > header) into some storage (or even a file) and then use "env import"
> > > to load it?
> >
> >   the problem is that that additional "environment" info is on the
> > target board because of a legacy non-linux OS -- it's at a
> > well-known address in flash, and we have no freedom to change it,
> > we can only read it, make some adjustments, then incorporate it
> > into the current environment.
>
> Which format is used?  Can it not be made to work with "env import"
> using this well-known address?  I mean, if it's plain text, it
> should just work.  If it's some other, more exotic format, you could
> probably implement a custom import format?

  it needs to be done programatically, and i *believe* himport_r() can
handle it, as the string is space-separated and null-terminated, so
i'm about to test that.

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
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