From patchwork Fri Jan 29 05:06:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 8158741 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 D6B19BEEE5 for ; Fri, 29 Jan 2016 05:13:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4E9F020340 for ; Fri, 29 Jan 2016 05:13:45 +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 71A4620328 for ; Fri, 29 Jan 2016 05:13:44 +0000 (UTC) Received: from localhost ([::1]:59844 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aP1NP-0000jw-Qq for patchwork-qemu-devel@patchwork.kernel.org; Fri, 29 Jan 2016 00:13:43 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38543) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aP1GO-0003bw-0F for qemu-devel@nongnu.org; Fri, 29 Jan 2016 00:06:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aP1GK-0001T6-Hy for qemu-devel@nongnu.org; Fri, 29 Jan 2016 00:06:27 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:58678) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aP1GK-0001OS-2i; Fri, 29 Jan 2016 00:06:24 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id C07C0140C6F; Fri, 29 Jan 2016 16:06:18 +1100 (AEDT) From: David Gibson To: peter.maydell@linaro.org, agraf@suse.de Date: Fri, 29 Jan 2016 16:06:59 +1100 Message-Id: <1454044031-5930-29-git-send-email-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1454044031-5930-1-git-send-email-david@gibson.dropbear.id.au> References: <1454044031-5930-1-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: aik@ozlabs.ru, mdroth@linux.vnet.ibm.com, qemu-devel@nongnu.org, Alyssa Milburn , qemu-ppc@nongnu.org, David Gibson Subject: [Qemu-devel] [PULL 27/39] 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; } }