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From: Nikita Kiryanov <nikita@compulab.co.il>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 0/2] Protect splashimage from improperly aligned addresses
Date: Sun, 10 Mar 2013 13:22:30 +0200	[thread overview]
Message-ID: <513C6CF6.2030308@compulab.co.il> (raw)
In-Reply-To: <1361722763-22953-1-git-send-email-nikita@compulab.co.il>

Gentle ping.

On 02/24/2013 06:19 PM, Nikita Kiryanov wrote:
> As discussed in the links below, one needs to be careful about choosing an
> address for a splash image BMP file when working on architectures that can't
> handle unaligned memory accesses. A bad address may lead to a bricked board,
> and the safe addresses are not obvious due to the internal structure of BMP
> files.
>
> This patchset documents the problem and implements an optional callback that
> prevents the environment variable from being set to a bad value.
>
> Finally, it turns this protection on for cm_t35.
>
> http://lists.denx.de/pipermail/u-boot/2013-January/144666.html
> http://lists.denx.de/pipermail/u-boot/2013-February/146021.html
>
> Nikita Kiryanov (2):
>    lcd: implement a callback for splashimage
>    cm_t35: prevent splashimage from being set to a bad value
>
>   README                     |   11 +++++++++++
>   common/lcd.c               |   26 ++++++++++++++++++++++++++
>   doc/README.displaying-bmps |   27 +++++++++++++++++++++++++++
>   include/configs/cm_t35.h   |    2 ++
>   include/env_callback.h     |    7 +++++++
>   5 files changed, 73 insertions(+)
>   create mode 100644 doc/README.displaying-bmps
>


-- 
Regards,
Nikita.

      parent reply	other threads:[~2013-03-10 11:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-24 16:19 [U-Boot] [PATCH 0/2] Protect splashimage from improperly aligned addresses Nikita Kiryanov
2013-02-24 16:19 ` [U-Boot] [PATCH 1/2] lcd: implement a callback for splashimage Nikita Kiryanov
2013-02-24 20:01   ` Wolfgang Denk
2013-02-25  7:28   ` [U-Boot] [PATCH V2 " Nikita Kiryanov
2013-02-24 16:19 ` [U-Boot] [PATCH 2/2] cm_t35: prevent splashimage from being set to a bad value Nikita Kiryanov
2013-02-27 20:06 ` [U-Boot] [PATCH 0/2] Protect splashimage from improperly aligned addresses Tom Rini
2013-02-28  6:11   ` Nikita Kiryanov
2013-03-10 11:22 ` Nikita Kiryanov [this message]

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