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From: Robert P. J. Day <rpjday@crashcourse.ca>
To: u-boot@lists.denx.de
Subject: [U-Boot] recommended place to add some custom settings to u-boot environment?
Date: Wed, 14 Sep 2016 09:04:39 -0400 (EDT)	[thread overview]
Message-ID: <alpine.LFD.2.20.1609140902380.2267@ca624034.mitel.com> (raw)
In-Reply-To: <20160914125839.C998A100BA3@atlas.denx.de>

On Wed, 14 Sep 2016, Wolfgang Denk wrote:

> Dear Robert,
>
> In message <alpine.LFD.2.20.1609140524480.27791@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

-- 

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

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
========================================================================

  reply	other threads:[~2016-09-14 13:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14  8:57 [U-Boot] recommended place to add some custom settings to u-boot environment? Robert P. J. Day
2016-09-14  9:17 ` Wolfgang Denk
2016-09-14  9:27   ` Robert P. J. Day
2016-09-14 12:58     ` Wolfgang Denk
2016-09-14 13:04       ` Robert P. J. Day [this message]
2016-09-14 13:33         ` Wolfgang Denk
2016-09-14 13:37           ` Robert P. J. Day
2016-09-14 14:31             ` Wolfgang Denk
2016-09-14 15:07               ` Robert P. J. Day

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