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Subject: [bug#30216] [WIP] system: Add ARM installer;
	services: agetty: Make tty optional
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From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
References: <20180122220011.7896-1-dannym@scratchpost.org>
	<87lggo7qjl.fsf@gnu.org> <20180123145452.57b9e1e6@scratchpost.org>
Date: Thu, 25 Jan 2018 15:56:26 +0100
In-Reply-To: <20180123145452.57b9e1e6@scratchpost.org> (Danny Milosavljevic's
	message of "Tue, 23 Jan 2018 14:54:52 +0100")
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To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: 30216@debbugs.gnu.org

Hello!

Danny Milosavljevic <dannym@scratchpost.org> skribis:

> I hope it's not that board-specific.  There are minimal differences but
> many ARM boards use the same Linux kernel (with the same config).
>
> This was one of the motivation to create u-boot:  u-boot is like a
> board-specific mini-Linux kernel.  The Linux kernel that u-boot then
> loads later is not board-specific.
>
> In the past, board vendors kept putting huge board configuration tables i=
nside
> Linux until Linus put a stop to it.
>
> Nowadays it should not be the case anymore that Linux is board-specific.

Understood.

> Therefore, I think it would be preferrable in the long run if
> Hydra didn't build 1000 different 1 GB images for different boards
> where the only different part is u-boot.

Definitely!

> So long story short, about 99% of the image this arm-installer generates
> will work and be identical for almost every ARMv7 board, except for u-boot
> (u-boot is kinda important, though).

Yes, but=E2=80=A6 this 1% is enough to make a non-bootable image though, wh=
ich
is what I=E2=80=99m concerned with.  :-)

I suppose fixing it would mean having a universal ARM U-Boot?  Or do you
have other solutions in mind?

Ludo=E2=80=99.