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From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] CONFIG_ENV_IS_EMBEDDED problems
Date: Tue, 15 Feb 2011 04:11:24 -0500	[thread overview]
Message-ID: <201102150411.25201.vapier@gentoo.org> (raw)
In-Reply-To: <4D440EFD.70000@discworld.dascon.de>

On Saturday, January 29, 2011 07:58:37 Michael Schwingen wrote:
> I am wondering how CONFIG_ENV_IS_EMBEDDED is supposed to work.

the embedded env stuff is kind of a mess.  anyone will to waste/spend time on 
cleaning it up would be nice.

> As far as I understand the code, it is set automatically by
> environment.h in case the environment is in a sector in NOR flash that
> overlaps with the u-boot code.

historically, i think that's what the code attempted to do.

> However, I see two problems:
>  - CONFIG_ENV_IS_EMBEDDED does not end up in autoconf.mk - however, it
> is used in common/Makefile. This does not cause problems as long as
> CONFIG_ENV_IS_IN_FLASH is also set, but the switch in the Makefile is
> either useless or broken.

well, the former cant really show up if the latter isnt defined

>  - include/common.h also contains #ifdef CONFIG_ENV_IS_EMBEDDED without
> including environment.h, so that the definitions inside that block are
> never reached.

common.h has historically been a dumping ground for crap.  relocating that 
malloc-specific code to a better header would probably be a good idea.
-mike
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      reply	other threads:[~2011-02-15  9:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-29 12:58 [U-Boot] CONFIG_ENV_IS_EMBEDDED problems Michael Schwingen
2011-02-15  9:11 ` Mike Frysinger [this message]

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