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ui/console: allow to override the default VC

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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).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Marc-André Lureau
2023-11-07 14:04:25 +04:00
parent 2aeaa4b200
commit 1bec1cc0da
3 changed files with 33 additions and 10 deletions
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include/ui/console.h
+2
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@@ -462,12 +462,14 @@ struct QemuDisplay {
DisplayType type;
void (*early_init)(DisplayOptions *opts);
void (*init)(DisplayState *ds, DisplayOptions *opts);
const char *vc;
};
void qemu_display_register(QemuDisplay *ui);
bool qemu_display_find_default(DisplayOptions *opts);
void qemu_display_early_init(DisplayOptions *opts);
void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
const char *qemu_display_get_vc(DisplayOptions *opts);
void qemu_display_help(void);
/* vnc.c */