[U-Boot] [PATCH] Allow U-Boot scripts to be placed in a .env file

[Tom Rini]

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On 05/06/2013 09:02 AM, Rob Herring wrote:
> On 04/17/2013 12:44 AM, Wolfgang Denk wrote:
>> Dear Simon Glass,
>> 
>> In message <1366155414-6525-1-git-send-email-sjg at chromium.org>
>> you wrote:
>>> At present U-Boot environment variables, and thus scripts, are
>>> defined by CONFIG_EXTRA_ENV_SETTINGS. It is painful to add
>>> large amounts of text to this file and dealing with quoting and
>>> newlines is harder than it should be. It would be better if we
>>> could just type the script into a text file and have it
>>> included by U-Boot.
>>> 
>>> Add a feature that brings in a .env file associated with the
>>> board config, if present. To use it, create a file in
>>> include/configs with the same name as you could board config
>>> file, except with a .env extension instead of a .h extension.
>>> The variables should be separated by \0. Comments are
>>> permitted, using # as the first character in a line.
>> 
>> Please do not litter the include/configs/ directory with such
>> stuff. It's more than big enough already.  Please put such files
>> into the respective board directories.
>> 
>> And if you do something like this, then please go the way to the
>> end. Forget about the \0 termination, make it a plain text file
>> instead, something that can be used with "env import -t" as well
>> (or created with "env export -t").
> 
> What about allowing a binary created with mkenvimage to be
> built-in. This would give us a standard build rule to build a
> separate env binary as well.

With CONFIG_ENV_IS_EMBEDDED you should be able to do this today since
it has to be at a certain spot within the binary, yes?

- -- 
Tom
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