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From: Hamish Moffatt <hamish@cloud.net.au>
To: Jacob Avraham <jacob@imaginecommunications.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: Redboot FIS entry upgrade from Linux
Date: Thu, 14 Feb 2008 15:30:35 +1100	[thread overview]
Message-ID: <20080214043035.GB1449@cloud.net.au> (raw)
In-Reply-To: <FF584854D6FFE547AB2F7515A798AC3A4E3A9955@venus.imagineil.tv>

On Sun, Jan 13, 2008 at 06:31:20PM +0200, Jacob Avraham wrote:
> Hi,
> 
> Say I have a zImage or ramdisk image as a file listed in FIS,
> which I use to  "fis load" from Redboot.
> Now I want to upgrade an image from Linux, so in addition to
> writing into the specific mtd partition I need to update the FIS
> directory entry checksum value.
> 
> Are there any utils to facilitate that?
> Or maybe such where not developed because it's not a good idea?

(Sorry, I'm a bit behind on this list.)

There's a utility here which can modify the RedBoot FIS table:
http://svn.chezphil.org/utils/trunk/fis.c

I added support for updating the checksums. You can get my patch here:
http://buildroot.uclibc.org/cgi-bin/viewcvs.cgi/trunk/buildroot/package/fis/fis-001-checksum.patch?rev=20951&view=auto

Like you, I update the kernel/initrd from linux then use fis to update
the checksums so that RedBoot will still load the image.

Hamish
-- 
Hamish Moffatt VK3SB <hamish@debian.org> <hamish@cloud.net.au>

      parent reply	other threads:[~2008-02-14  4:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-13 16:31 Redboot FIS entry upgrade from Linux Jacob Avraham
2008-01-13 21:26 ` Foster_Brian
2008-02-14  4:30 ` Hamish Moffatt [this message]

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