From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] fsl: board EEPROM has the CRC in the wrong location
Date: Fri, 13 Jul 2012 23:26:00 +0200 [thread overview]
Message-ID: <20120713212600.B16BA2000F2@gemini.denx.de> (raw)
In-Reply-To: <5000106B.5090007@freescale.com>
Dear Tabi Timur-B04825,
In message <5000106B.5090007@freescale.com> you wrote:
>
> > It will work by chance, accessing random data. This is crap.
>
> It is not crap, and it will not work by chance. It is not accessing
> random data, it is accessing the CRC in the old location, just like the
> current code does today.
If you have the CRC at 0xFC, and the CRC is incorrect, then it _will_
access random data, and result inundefined behaviour. Yes, this _is_ a
crappy design.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"There are three principal ways to lose money: wine, women, and en-
gineers. While the first two are more pleasant, the third is by far
the more certain." -- Baron Rothschild, ca. 1800
next prev parent reply other threads:[~2012-07-13 21:26 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-12 21:46 [U-Boot] [PATCH] fsl: board EEPROM has the CRC in the wrong location Timur Tabi
2012-07-12 22:03 ` sun york-R58495
2012-07-12 22:37 ` Scott Wood
2012-07-12 22:44 ` Timur Tabi
2012-07-12 22:46 ` sun york-R58495
2012-07-12 22:49 ` Scott Wood
2012-07-12 22:52 ` Timur Tabi
2012-07-13 4:32 ` Wolfgang Denk
2012-07-13 12:11 ` Tabi Timur-B04825
2012-07-13 21:26 ` Wolfgang Denk [this message]
2012-07-13 4:30 ` Wolfgang Denk
2012-07-13 4:38 ` sun york-R58495
2012-07-13 12:12 ` Tabi Timur-B04825
2012-07-13 21:22 ` York Sun
2012-07-13 12:10 ` Tabi Timur-B04825
2012-07-13 21:25 ` Wolfgang Denk
2012-07-13 21:29 ` Timur Tabi
2012-07-13 21:32 ` Wolfgang Denk
2012-07-13 21:39 ` Timur Tabi
2012-07-13 21:45 ` Scott Wood
2012-07-13 21:53 ` Timur Tabi
2012-07-13 22:19 ` Scott Wood
2012-07-13 22:22 ` Timur Tabi
2012-07-13 22:41 ` Scott Wood
2012-07-13 22:46 ` Timur Tabi
2012-07-13 22:54 ` Scott Wood
2012-07-13 23:01 ` Wolfgang Denk
2012-07-13 23:12 ` Scott Wood
[not found] ` <C5EFF1F960B6FC4C873CF9BD5FE250210791DCC8@039-SN2MPN1-013.039d.mgd.msft.net>
2012-07-15 12:52 ` Tabi Timur-B04825
2012-07-16 19:57 ` Wolfgang Denk
2012-07-16 22:32 ` Scott Wood
2012-07-13 22:59 ` Wolfgang Denk
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