Message ID | 1300273214-19586-4-git-send-email-Jes.Sorensen@redhat.com |
---|---|
State | New |
Headers | show |
On 16 March 2011 11:00, <Jes.Sorensen@redhat.com> wrote: > From: Jes Sorensen <Jes.Sorensen@redhat.com> > > New option -display none. This option differs from -display nographic > by not trying to take control of stdio etc. but instead behaves as if > a graphics display is enabled, except that it doesn't show one. Commit message needs updating -- should say "-nographic", not "-display nographic". > +@item none > +Pick the none display option. This option will still run with an > +emulated graphics card, but none will be displayed to the QEMU > +user. This options differs from the -nographic option in that QEMU > +will behave like if one of the display options had been picked, it > +will not change the control on the command line. > @end table Minor wording tweaks: "Do not display video output. The guest will still see an emulated graphics card, but its output will not be displayed to the QEMU user. This option differs from the -nographic option in that it only affects what is done with video output; -nographic also changes the destination of the serial and parallel port data." -- PMM
diff --git a/qemu-options.hx b/qemu-options.hx index 98db829..d4f365a 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -592,7 +592,7 @@ ETEXI DEF("display", HAS_ARG, QEMU_OPTION_display, "-display sdl[,frame=on|off][,alt_grab=on|off][,ctrl_grab=on|off]\n" - " [,window_close=on|off]|curses\n" + " [,window_close=on|off]|curses|none\n" " select display type\n", QEMU_ARCH_ALL) STEXI @item -display @var{type} @@ -607,6 +607,12 @@ Pick the curses display option. Normally, QEMU uses SDL to display the VGA output. With this option, QEMU can display the VGA output when in text mode using a curses/ncurses interface. Nothing is displayed in graphical mode. +@item none +Pick the none display option. This option will still run with an +emulated graphics card, but none will be displayed to the QEMU +user. This options differs from the -nographic option in that QEMU +will behave like if one of the display options had been picked, it +will not change the control on the command line. @end table ETEXI diff --git a/sysemu.h b/sysemu.h index 0a83ab9..c43c7af 100644 --- a/sysemu.h +++ b/sysemu.h @@ -110,6 +110,7 @@ typedef enum DisplayType DT_CURSES, DT_SDL, DT_NOGRAPHIC, + DT_NONE, } DisplayType; extern int autostart; diff --git a/vl.c b/vl.c index 09d4d8c..0a409f4 100644 --- a/vl.c +++ b/vl.c @@ -1617,6 +1617,8 @@ static DisplayType select_display(const char *p) fprintf(stderr, "Curses support is disabled\n"); exit(1); #endif + } else if (strstart(p, "none", &opts)) { + display = DT_NONE; } else { invalid_display: fprintf(stderr, "Unknown display type: %s\n", p);