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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Christopher Covington <cov@codeaurora.org>,
	Nicolas Pitre <nicolas.pitre@linaro.org>,
	Daniel Thompson <daniel.thompson@linaro.org>,
	Joel Fernandes <joelf@ti.com>,
	linux-arm-msm@vger.kernel.org,
	Stephen Boyd <sboyd@codeaurora.org>,
	Peter Crosthwaite <peter.crosthwaite@xilinx.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	arm-mail-list <linux-arm-kernel@lists.infradead.org>
Subject: Re: Change of TEXT_OFFSET for multi_v7_defconfig
Date: Wed, 16 Apr 2014 23:34:54 +0100	[thread overview]
Message-ID: <20140416223454.GN24070@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAFEAcA9bqdHvFyGz_mhdU9=rPYaSc2h8Syccv3OEqH8FRhf=dA@mail.gmail.com>

On Wed, Apr 16, 2014 at 10:36:11PM +0100, Peter Maydell wrote:
> On 16 April 2014 22:08, Christopher Covington <cov@codeaurora.org> wrote:
> > On 04/16/2014 03:14 PM, Nicolas Pitre wrote:
> >> But both QEMU and the boot-wrapper should deal with zImage. That's the
> >> only image format with documented load offset is guaranteed not to
> >> change i.e. it can be loaded at about any offset as zImage knows how to
> >> relocate itself as needed.  There is nowhere a guarantee that
> >> TEXT_OFFSET can't change.
> >
> > QEMU definitely does support zImage and I believe it's promoted as the main
> > boot method.
> 
> Yes; we also support uImage. The code nominally handling Image
> actually currently loads at 0x10000, so the set of people who actually
> try to use it is obviously not very large :-)

For ARM, that means precisely zero users without modification of that.
We've never supported an offset of 0x10000 in mainline kernels.

-- 
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.

  reply	other threads:[~2014-04-16 22:35 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-15 10:44 Change of TEXT_OFFSET for multi_v7_defconfig Daniel Thompson
2014-04-15 17:53 ` Stephen Boyd
2014-04-16 16:18 ` Christopher Covington
2014-04-16 19:14   ` Nicolas Pitre
2014-04-16 21:08     ` Christopher Covington
2014-04-16 21:36       ` Peter Maydell
2014-04-16 22:34         ` Russell King - ARM Linux [this message]
2014-04-16 22:33       ` Russell King - ARM Linux
2014-04-16 23:21       ` Nicolas Pitre
2014-04-17 18:33         ` Christopher Covington
2014-04-17 19:48           ` Nicolas Pitre
2014-04-17 20:49             ` Christopher Covington
2014-04-17 20:54               ` Peter Maydell
2014-04-17 20:35           ` Jason Gunthorpe
2014-04-22  9:44             ` Daniel Thompson
2014-04-22 17:05               ` Jason Gunthorpe
2014-04-22 17:55                 ` Nicolas Pitre
2014-04-22 18:36                   ` Russell King - ARM Linux
2014-04-22 14:50             ` Michal Simek
2014-04-22 17:00               ` [Qemu-devel] " Jason Gunthorpe
2014-04-22 17:11               ` Russell King - ARM Linux
2014-04-22 17:53                 ` Jason Gunthorpe
2014-04-22 18:12                   ` Russell King - ARM Linux
2014-04-22 18:32                   ` Arnd Bergmann
2014-04-22 18:38                     ` Russell King - ARM Linux
2014-04-22 18:45                       ` Arnd Bergmann
2014-04-17 17:11     ` Rob Herring
2014-04-17 20:06       ` Nicolas Pitre
2014-04-17 20:16         ` Russell King - ARM Linux
2014-04-17 21:18           ` Rob Herring
2014-04-17 21:35             ` Russell King - ARM Linux
2014-04-18  2:53               ` Rob Herring
2014-04-18  4:34                 ` Nicolas Pitre
2014-04-22 10:26                   ` Daniel Thompson
2014-04-22 10:40                     ` Russell King - ARM Linux
2014-04-22 11:41                       ` Daniel Thompson
2014-04-18  8:41                 ` Russell King - ARM Linux
2014-04-22  9:53               ` Daniel Thompson
2014-04-22 10:07                 ` Russell King - ARM Linux

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