[U-Boot-Users] RFC: hidden environment variables

[Grant Likely]

On 4/23/07, Timur Tabi <timur at freescale.com> wrote:
> WD et al:
>
> I'd like to propose a new feature for U-Boot: hidden environment variables.  These are
> variables that are stored in environment but are normally not visible to the user.
> Specifically, a hidden environment variable would have these properties:
>
> 1) Doesn't show up via "print" or "echo"
> 2) Can't be referenced via a $
> 3) Can't be set via setenv
>
> Only internal U-Boot code can modify/query these variables.  This way, internal code can
> use the existing environment data structure without having to expose this data to the user
> (and giving him the impression that he can access/manipulate this data directly).

What use cases do you envision?  Do you have any specific examples?
Are you looking for globaly available data values; or things that
typically will be used locally by a driver or a command?

g.

-- 
Grant Likely, B.Sc. P.Eng.
Secret Lab Technologies Ltd.
grant.likely at secretlab.ca
(403) 399-0195