Re: [PULL v3 09/25] ui/console: allow to override the default VC

[Richard Henderson]

On 11/16/23 09:52, Peter Maydell wrote:
> On Tue, 7 Nov 2023 at 10:24, <marcandre.lureau@redhat.com> wrote:
> > From: Marc-André Lureau <marcandre.lureau@redhat.com>
> >
> > If a display is backed by a specialized VC, allow to override the
> > default "vc:80Cx24C".
> >
> > As suggested by Paolo, if the display doesn't implement a VC (get_vc()
> > returns NULL), use a fallback that will use a muxed console on stdio.
> >
> > This changes the behaviour of "qemu -display none", to create a muxed
> > serial/monitor by default (on TTY & not daemonized).
>
> This breaks existing command line setups -- if I say
> "-display none" I just mean "don't do a display", not
> "please also give me a monitor". We already have a
> "do what I mean" option for "no graphics", which is
> "-nographic". The advantage of -display none is that
> it does only and exactly what it says it does.
>
> Setups using semihosting for output now get a spurious
> load of output from the monitor on their terminal.
>
> I think we should revert this; I'll send a patch.

Yes indeed.  I think this may be why I've seen my xterm go into strange i/o modes during 
"make check-tcg" of the semihosting tests.


r~