[U-Boot-Users] RFC: New U-boot image format
Wolfgang Denk
wd at denx.de
Tue Dec 18 20:42:31 CET 2007
In message <4767F28C.3030304 at freescale.com> you wrote:
>
> > NAK. Using an envuironment variable is definitely not a good idea,
> > and probably not sufficient. Assume the situation where you have
> > "autostart" set to "yes" and use DHCP to download and start the
> > image, or where you use "tftp" followed by a "bootm" command to do
> > the same. In both cases there is no direct "hook" to do what you ask
> > for - ther eis no sane place where the envrionment variable would be
> > set (in the network code?) nor where it would be taken into account.
>
> If I have a plug-in for QE firmware blobs, couldn't the plug-in code just set
> the environment variable anyway?
What good would this do to you? If you run a "dhcp" command with
autostart enabled, the image will immediately be autobooted - there
will be no place for you to issue a command to do anything with your
environment variable.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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