From patchwork Mon Jan 25 01:15:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 8103071 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5DFA4BEEE5 for ; Mon, 25 Jan 2016 01:23:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CD467203A0 for ; Mon, 25 Jan 2016 01:23:24 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 100B12038D for ; Mon, 25 Jan 2016 01:23:24 +0000 (UTC) Received: from localhost ([::1]:34069 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNVsJ-0003B0-Dr for patchwork-qemu-devel@patchwork.kernel.org; Sun, 24 Jan 2016 20:23:23 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47839) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNVjs-0002cd-BR for qemu-devel@nongnu.org; Sun, 24 Jan 2016 20:14:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aNVjp-0000es-9M for qemu-devel@nongnu.org; Sun, 24 Jan 2016 20:14:40 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:48150) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNVjo-0000az-T1; Sun, 24 Jan 2016 20:14:37 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 552CD140BFD; Mon, 25 Jan 2016 12:14:33 +1100 (AEDT) From: David Gibson To: peter.maydell@linaro.org Date: Mon, 25 Jan 2016 12:15:26 +1100 Message-Id: <1453684527-23564-28-git-send-email-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1453684527-23564-1-git-send-email-david@gibson.dropbear.id.au> References: <1453684527-23564-1-git-send-email-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2401:3900:2:1::2 Cc: lvivier@redhat.com, thuth@redhat.com, mark.cave-ayland@ilande.co.uk, agraf@suse.de, qemu-devel@nongnu.org, Alyssa Milburn , qemu-ppc@nongnu.org, bharata@linux.vnet.ibm.com, David Gibson , gkurz@linux.vnet.ibm.com Subject: [Qemu-devel] [PULL 27/28] cuda.c: return error for unknown commands X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Alyssa Milburn This avoids MacsBug hanging at startup in the absence of ADB mouse input, by replying with an error (which is also what MOL does) when it sends an unknown command (0x1c). Signed-off-by: Alyssa Milburn Signed-off-by: David Gibson --- hw/misc/macio/cuda.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index 3556852..5e4d5d5 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -605,6 +605,11 @@ static void cuda_receive_packet(CUDAState *s, } break; default: + obuf[0] = ERROR_PACKET; + obuf[1] = 0x2; + obuf[2] = CUDA_PACKET; + obuf[3] = data[0]; + cuda_send_packet_to_host(s, obuf, 4); break; } }