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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [6064] Implement device tree support needed for
	Bamboo emulation
Date: Tue, 16 Dec 2008 12:30:23 +0000
References: <E1LCXP2-0006JS-Or@cvs.savannah.gnu.org>
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To: qemu-devel@nongnu.org
Cc: Hollis Blanchard <hollisb@us.ibm.com>, Aurelien Jarno <aurelien@aurel32.net>

> To implement the -kernel, -initrd, and -append options, 4xx board emulation
> must load the guest kernel as if firmware had loaded it. Where u-boot would
> be the firmware, we must load the flat device tree into memory and set key
> fields such as /chosen/bootargs.

Then why is it optional?

> This patch introduces a dependency on libfdt for flat device tree support.

I don't like the way this is done.

AFAIK libfdt isn't present in any of the major distros. I thought the 
conclusion was that we should import libfdt into qemu.

Certainly adding libfdt_env.h, which is never used, seems very wrong. I'm 
pretty sure this won't build on win32 either.

Paul