[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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