Re: ARMv5 and atomic operations

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On Mon, 2012-04-23 at 10:40 +0100, Andrew Haley wrote:
> On 04/23/2012 10:36 AM, Gordan Bobic wrote:
> > Andrew Haley wrote:
> >> On 04/23/2012 02:16 AM, Brendan Conoboy wrote:
> >>> As we get closer to having 100% package coverage in F17-ARM we're 
> >>> running into harder build failures due to the limitations of the chips 
> >>> we're building for.  The problem I've noticed on many of the recent 
> >>> failures is due to the lack of atomic operations (These didn't arrive 
> >>> until ARMv6).  How do we want to handle this?  I see a few options:
> >>>
> >>> 1. Abandon armv5 and move to armv6 where some of the operations we need 
> >>> are available.  This will still support the raspberry pi- what about 
> >>> kirkwood *plugs?
> >>
> >> Hold on, I thought that Raspberry Pi was a separate remix, and F17
> >> was targeted at ARMv7?
> > 
> > Oh? My understanding was that F17 was to have both armv5tel and armv7hl 
> > builds.
> 
> Oh, I see.  Is any of this documented anywhere?
> 
> And can someone tell me if there is a F17 root fs for Raspberry Pi that
> I can download?

There are armv5tel and armv7hl builds for F17.

The Raspbery Pi remix is the armv5tel build + some packages that can't
be accepted in Fedora (due to license issues, e.g., non-open-source
libraries).

Brendan has *just* added the Pi as a target for his nightly rootfs
images, but this hasn't been tested yet. This will be a bit different
from the final image but will let anyone who wants to play early. (/me
toddles off to test that out...)

-Chris

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