[U-Boot-Users] [PATCH] expand macros in bootargs env var for bootm command

Wolfgang Denk wd at denx.de
Thu Jun 30 15:43:53 CEST 2005


In message <7938.1120137797 at huldra> you wrote:
>
> I wanted to define the flash partition map in the kernel command line.
> I want to do this with reference to other u-boot environment variables,
> which contain the start addresses and sizes for each partition (just
> numbers).

We're working on something in this  area,  too  (allowing  U-Boot  to
"edit"  the  partitions,  especially  on NAND devices, and to automa-
tically generate the required kernel arguments.

> I found that if the "bootargs" environment variable contained macros, they

This is intentional.

> were not expanded before the command line was passed to the kernel. The patch
> does this expansion.

You can expand all macros when building the bootargs variable like it
is shown in all the examples in the DULG; is there any  problem  with
that?

> No worries - I will do that, except I don't know what they are. Where are
> the rules defined? If you can give me a link I will study them before I
> submit any more patches.

See section "Submitting Patches" in the README.

There is no excuse for not reding the README.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
At the source of every error which is blamed on the computer you will
find at least two human errors, including the error of blaming it  on
the computer.




More information about the U-Boot mailing list