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From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: Cortex-m3 Kernel Port.
Date: Mon, 25 Jan 2010 11:41:59 +0000	[thread overview]
Message-ID: <1264419719.6275.15.camel@pc1117.cambridge.arm.com> (raw)
In-Reply-To: <20100125112057.GA3536@shareable.org>

On Mon, 2010-01-25 at 11:20 +0000, Jamie Lokier wrote:
> Catalin Marinas wrote:
> > On Mon, 2010-01-25 at 06:15 +0000, Sasa Sasa wrote:
> > > What is the status of the cortex-m3 kernel port ? Is it merged to
> > > mailine ?
> >
> > No and I wasn't planning to unless there are more people using it to be
> > worth the maintenance effort (the Cortex-M3 platforms I've seen have too
> > little RAM to be able to run Linux).
> 
> How much do they have?  People are running uClinux in 8-16MB; it's
> tight squeeze but sometimes worth it.  If it has an MMU it would need
> a bit less memory.

Cortex-M3 doesn't have an MMU. I managed to run it in 2MB but not many
commands were successful. I think from 4MB onwards it should be
acceptable.

-- 
Catalin

      reply	other threads:[~2010-01-25 11:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-25  6:15 Cortex-m3 Kernel Port Sasa Sasa
2010-01-25 11:06 ` Catalin Marinas
2010-01-25 11:20   ` Jamie Lokier
2010-01-25 11:41     ` Catalin Marinas [this message]

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