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

[Paolo Bonzini]

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.

Paolo