From: Ed Bartosh <ed.bartosh@linux.intel.com>
To: Mike Looijmans <mike.looijmans@topic.nl>
Cc: openembedded-core@lists.openembedded.org
Subject: Re: How to use WIC to generate raw flash images
Date: Tue, 24 Jan 2017 11:54:12 +0200 [thread overview]
Message-ID: <20170124095412.GA18502@linux.intel.com> (raw)
In-Reply-To: <25cca98b-9e19-36b7-c53f-5ed79eeb5a91@topic.nl>
On Tue, Jan 24, 2017 at 09:56:17AM +0100, Mike Looijmans wrote:
> On 23-01-17 11:34, Ed Bartosh wrote:
> ...
> >>- How do I set padding to be 0xFF instead of 0x00?
> >The same thing here. Currently wic images are sparse files created by
> >os.ftruncate, but it's not a big deal to fill them with 0xFF
>
> Correct me if I'm wrong here...
> - All flash media (NOR, NAND) prefers padding with 0xFF because
> that's equal to an erased sector.
> - Other media (magnetic disks) don't care about what they're padded with.
>
> So I'd say it makes sense to make 0xFF the default padding for exerything?
That would break image sparseness.
--
Regards,
Ed
prev parent reply other threads:[~2017-01-24 10:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-20 18:37 How to use WIC to generate raw flash images Rick Altherr
2017-01-23 10:34 ` Ed Bartosh
2017-01-23 18:44 ` Rick Altherr
2017-01-24 8:56 ` Mike Looijmans
2017-01-24 9:54 ` Ed Bartosh [this message]
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