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Sender: =?UTF-8?Q?Timo_Ter=C3=A4s?= <timo.teras@gmail.com>
Date: Fri, 4 Apr 2014 13:19:21 +0300
From: Timo Teras <timo.teras@iki.fi>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: alpine-devel@lists.alpinelinux.org
Subject: Re: [alpine-devel] ARM CPU Support
Message-ID: <20140404131921.53a674c5@vostro>
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Hi,

On Thu, 3 Apr 2014 11:48:20 +0200
Florian Heigl <florian.heigl@gmail.com> wrote:

> there was a recent question about what ARM based hardware people care
> about / wished it had Alpine support.
>=20
> In my case I use the following:
>=20
> Raspi (Debian atm, would only switch if all funny performance patches
> are available, because otherwise it=E2=80=99s just too slow) It does NTP,
> DHCP, DNS

Can you define 'performance patches'? We are currently building only
armhf variant (hard-float), which is the major performance issue. Also
we do linux-rpi (non-grsec) kernel with the github stuff applied
(planning to push it to aports today).

There is also some omxplayer, and some otherstuff packaged. But eg. Qt
is not compiled with the rpi stuff; at least not yet. Need to figure
out how to do that nicely.

> 2x CubieTruck (Debian, would love to =E2=80=9Cfree=E2=80=9D them). They=
=E2=80=99re my Apache,
> Monitoring and MooseFS storage nodes, etc. I know some other Alpine
> users also have them. They=E2=80=99re a nice deal, two cores, 2GB Ram, NA=
ND.
> They=E2=80=99re not 100% ready for a stock kernel, afaik.
>=20
> 3x Zyxel NSA 325 Nas (Still on stock plus a Debian chroot. I might
> switch them to Arch, but I=E2=80=99d love something that runs natively on=
 the
> NAND and not off USB)
>=20
> 1x Nexus7 - Running Ubuntu, I=E2=80=99ll probably change this back to
> Android. It=E2=80=99s the only of the pack that has a good CPU, but it la=
cks
> support for parallel USB devices and charging.

For everything else, I'd like to just ship single multiplatform kernel.
If these are doable by just enabling proper kernel config / u-boot
image, it'll be simple to add. We can consider adding patches to -grsec
kernel if they are not too intrusive and apply to -grsec tree.

I'm also consider if we should in addition to 'armhf' variant provide a
dedicated build for armv7+ that defaults to build everything in thumb2
mode. Seems that rpi is really the only armv6 thing in the wild. All
other popular boards start to be armv7.

> I hope this gives some overview of whats out there in the wild.

Yeah. Thanks.


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