[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

> 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.

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