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Re: [Qemu-devel] [PATCH] display: stop using DT_NOGRAPHIC, use DT_NONE

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] display: stop using DT_NOGRAPHIC, use DT_NONE
Date: Fri, 28 Jun 2013 14:11:34 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6

Il 28/06/2013 14:05, Andreas Färber ha scritto:
> BTW just try it out using the following to see for yourself:
> $ qemu-system-ppc -nographic
> should get you to an interactive OpenBIOS prompt. Same for sparc.
> This involves communicating to firmware that we are in -nographic mode,
> which then redirects its output to serial rather then VGA (think of
> sgabios in x86 terms).

Is this FW_CFG_NOGRAPHIC?  This is really a good usecase for making the
machine a Device, so you can control it with -global.  It can be useful
even if you do have a VGA attached.


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