From mboxrd@z Thu Jan  1 00:00:00 1970
From: Albert ARIBAUD <albert.u.boot@aribaud.net>
Date: Thu, 28 Mar 2013 21:42:13 +0100
Subject: [U-Boot] [PATCH] disk: add -mno-unaligned-access to CFLAGS
In-Reply-To: <aee96f1ea2613f871ad32609455aa39c0a2d5f37.1364496869.git.marvin24@gmx.de>
References: <aee96f1ea2613f871ad32609455aa39c0a2d5f37.1364496869.git.marvin24@gmx.de>
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To: u-boot@lists.denx.de

Hi Marc,

On Thu, 28 Mar 2013 19:57:31 +0100, Marc Dietrich <marvin24@gmx.de>
wrote:

> Many on-disk structures used in the directory are accessed in a
> non aligned manner. gcc => 4.7 (and gcc-4.6 from Linaro) switched
> to -munaligned-access on default causing exceptions on ARM. The
> easiest way to fix this is to force no-unaligned-access in this
> (non speed critical) directory.
> 
> Signed-off-by: Marc Dietrich <marvin24@gmx.de>
> ---
>  disk/Makefile |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/disk/Makefile b/disk/Makefile
> index 5affe34..01134a3 100644
> --- a/disk/Makefile
> +++ b/disk/Makefile
> @@ -24,6 +24,7 @@
>  include $(TOPDIR)/config.mk
>  
>  #CFLAGS += -DET_DEBUG -DDEBUG
> +CFLAGS += -mno-unaligned-access
>  
>  LIB	= $(obj)libdisk.o

Which fields, which structures, which files are affected by the
unalignment issue?

Amicalement,
-- 
Albert.