From: Tony Breeds <tony@bakeyournoodle•com>
To: Paul Mackerras <paulus@samba•org>, linuxppc-dev@ozlabs•org
Subject: Re: [PATCH 1/1] Change the default link address for pSeries zImage kernels.
Date: Mon, 23 Jun 2008 18:16:44 +1000 [thread overview]
Message-ID: <20080623081643.GI20457@bakeyournoodle.com> (raw)
In-Reply-To: <1a551391a3c4925271cc86cb2e957aaccb0b599c.1214208801.git.tony@bakeyournoodle.com>
On Mon, Jun 23, 2008 at 06:13:23PM +1000, Tony Breeds wrote:
> Currently we set the start of the .text section to be 4Mb for pSeries.
> In situations where the zImage is > 8Mb we'll fail to boot (due to
> overlapping with OF). Move .text in a zImage from 4MB to 64MB (well past OF).
>
> We still will not be able to load large zImage unless we also move OF,
> to that end, add a note to the zImage ELF to move OF to 32Mb. If this
> is the very first kernel booted then we'll need to moev OF manually by
> setting real-base.
>
> Signed-off-by: Tony Breeds <tony@bakeyournoodle•com>
> ---
Ooops should have said that this has been boot tested on power
3,4,5,5+,6 and JS20. POWER4 firmware seems to have aproblem manually
reloacting realbase but asside from that it booted.
Yours Tony
linux.conf.au http://www.marchsouth.org/
Jan 19 - 24 2009 The Australian Linux Technical Conference!
next prev parent reply other threads:[~2008-06-23 8:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 8:13 [PATCH 1/1] Change the default link address for pSeries zImage kernels Tony Breeds
2008-06-23 8:16 ` Tony Breeds [this message]
2008-06-23 9:30 ` Adrian Reber
2008-06-23 9:57 ` Benjamin Herrenschmidt
2008-06-23 12:20 ` Michael Ellerman
2008-06-24 4:20 ` [PATCH v2] " Tony Breeds
2008-07-02 15:04 ` Olaf Hering
2008-07-04 3:14 ` Tony Breeds
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