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From: Thierry Reding <thierry.reding@avionic-design.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC] ARM: prevent misaligned array inits
Date: Thu, 4 Oct 2012 14:02:06 +0200	[thread overview]
Message-ID: <20121004120206.GA28819@avionic-0098.mockup.avionic-design.de> (raw)
In-Reply-To: <1349203564-27150-1-git-send-email-albert.u.boot@aribaud.net>

On Tue, Oct 02, 2012 at 08:46:04PM +0200, Albert ARIBAUD wrote:
> Under option -munaligned-access, gcc can perform local char
> or 16-bit array initializations using misaligned native
> accesses which will throw a data abort exception. Fix files
> where these array initializations were unneeded, and for
> files known to contain such initializations, enforce gcc
> option -mno-unaligned-access.
> 
> Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
> ---
> Please test this patch with gcc 4.7 on boards which do data aborts
> or resets due to misaligned accesses and report result to me.

I've tested this on TEC, on top of Tom's tegra/next branch. Without the
patch, U-Boot hangs right after:

	Loading Device Tree to 010f9000, end 010ff2d4 ... OK

With the patch applied the system boots to the login prompt, so:

Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
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  parent reply	other threads:[~2012-10-04 12:02 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-02 18:46 [U-Boot] [RFC] ARM: prevent misaligned array inits Albert ARIBAUD
2012-10-02 19:13 ` Joakim Tjernlund
2012-10-02 20:05   ` Albert ARIBAUD
2012-10-03  8:22     ` Joakim Tjernlund
2012-10-02 20:06 ` Stephen Warren
2012-10-02 21:20   ` Albert ARIBAUD
2012-10-02 21:42 ` Måns Rullgård
2012-10-03  7:29 ` Mark Marshall
2012-10-04 20:22   ` Albert ARIBAUD
2012-10-04 12:02 ` Thierry Reding [this message]
2012-10-04 19:10 ` Lucas Stach

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