From patchwork Tue Mar 15 15:45:25 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jes Sorensen X-Patchwork-Id: 86999 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id B59CBB7039 for ; Wed, 16 Mar 2011 02:52:21 +1100 (EST) Received: from localhost ([127.0.0.1]:46524 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PzWXZ-0007YZ-Cm for incoming@patchwork.ozlabs.org; Tue, 15 Mar 2011 11:52:09 -0400 Received: from [140.186.70.92] (port=57904 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PzWRd-0004dk-Du for qemu-devel@nongnu.org; Tue, 15 Mar 2011 11:46:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PzWRc-0008Kn-3b for qemu-devel@nongnu.org; Tue, 15 Mar 2011 11:46:01 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59125) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PzWRb-0008KV-QP for qemu-devel@nongnu.org; Tue, 15 Mar 2011 11:46:00 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p2FFjwTE020576 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 15 Mar 2011 11:45:58 -0400 Received: from red-feather.redhat.com (ovpn-113-63.phx2.redhat.com [10.3.113.63]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p2FFjqhT024166; Tue, 15 Mar 2011 11:45:57 -0400 From: Jes.Sorensen@redhat.com To: qemu-devel@nongnu.org Date: Tue, 15 Mar 2011 16:45:25 +0100 Message-Id: <1300203929-25823-4-git-send-email-Jes.Sorensen@redhat.com> In-Reply-To: <1300203929-25823-1-git-send-email-Jes.Sorensen@redhat.com> References: <1300203929-25823-1-git-send-email-Jes.Sorensen@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: jan.kiszka@siemens.com, peter.maydell@linaro.org Subject: [Qemu-devel] [PATCH 3/7] Introduce -display none X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Jes Sorensen 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. Signed-off-by: Jes Sorensen --- qemu-options.hx | 8 +++++++- sysemu.h | 1 + vl.c | 2 ++ 3 files changed, 10 insertions(+), 1 deletions(-) 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 2a1ac3c..aec088e 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);