{"id":2218938,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2218938/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260402053326.23402-2-mohamed@unpredictable.fr>","date":"2026-04-02T05:33:23","name":"[1/4] target/i386: emulate: include name of unhandled instruction","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"3a767fdef94ad0a8b91bb13206d74bf020915274","submitter":{"id":91318,"url":"http://patchwork.ozlabs.org/api/1.0/people/91318/?format=json","name":"Mohamed Mediouni","email":"mohamed@unpredictable.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402053326.23402-2-mohamed@unpredictable.fr/mbox/","series":[{"id":498430,"url":"http://patchwork.ozlabs.org/api/1.0/series/498430/?format=json","date":"2026-04-02T05:33:22","name":"whpx: i386: x2apic emulation for kernel-irqchip=off, feature probing","version":1,"mbox":"http://patchwork.ozlabs.org/series/498430/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2218938/checks/","tags":{},"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=L/GJCZ7B;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fmVv144nvz1yFv\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 02 Apr 2026 16:35:41 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1w8AgV-0002R7-TB; Thu, 02 Apr 2026 01:33:39 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mohamed@unpredictable.fr>)\n id 1w8AgR-0002Ke-T3\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 01:33:35 -0400","from qs-2007b-snip4-11.eps.apple.com ([57.103.84.151]\n helo=outbound.qs.icloud.com)\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mohamed@unpredictable.fr>)\n id 1w8AgP-0004uC-Vv\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 01:33:35 -0400","from outbound.qs.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-east-2d-100-percent-0 (Postfix) with ESMTPS id\n CFC251800366; Thu, 02 Apr 2026 05:33:31 +0000 (UTC)","from localhost.localdomain (unknown [17.57.155.37])\n by p00-icloudmta-asmtp-us-east-2d-100-percent-0 (Postfix) with ESMTPSA id\n 78CAC1800371; Thu, 02 Apr 2026 05:33:30 +0000 (UTC)"],"Dkim-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1775108012; x=1777700012;\n bh=jSFEY3OW57r5Gmf0SB6G349rIgUNCT10rXc1M/CBSww=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=L/GJCZ7BgV+3qVQaSruGqWJTLAuuJYsZmuWpHZdnQ70OoccBI0+wqGXXkhRuWCc2FxhBbOb6B84Dpc67nhXtO0uBwRaeQTaqlU5iypN8NG8Q8h/Q8kjemsBu2SX73vDoTMi5SifUN3bvS4wdXtlyUS1BfsJtbjvAbikphVZhqCDOVT7qO3DAY7XAMlVLnOKWtRkefipzg19idfqI/M8Te1kiGVUnueB9pSMhmpyHZvoNbHHvYBInpnePuXwSExgcVg7YTt370lFs5oYFuB6RsTTm1VUxOWBUz1VBZJnWutJFus0YK/3tLB3+6j9oLNQEbLpAXeuVDWn0fKiLwnyNEg==","mail-alias-created-date":"1752046281608","From":"Mohamed Mediouni <mohamed@unpredictable.fr>","To":"qemu-devel@nongnu.org","Cc":"Wei Liu <wei.liu@kernel.org>, Roman Bolshakov <rbolshakov@ddn.com>,\n Pedro Barbuda <pbarbuda@microsoft.com>, Zhao Liu <zhao1.liu@intel.com>,\n Paolo Bonzini <pbonzini@redhat.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>,\n Phil Dennis-Jordan <phil@philjordan.eu>","Subject":"[PATCH 1/4] target/i386: emulate: include name of unhandled\n instruction","Date":"Thu,  2 Apr 2026 07:33:23 +0200","Message-ID":"<20260402053326.23402-2-mohamed@unpredictable.fr>","X-Mailer":"git-send-email 2.50.1","In-Reply-To":"<20260402053326.23402-1-mohamed@unpredictable.fr>","References":"<20260402053326.23402-1-mohamed@unpredictable.fr>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Proofpoint-GUID":"acwzu_coFQu3PKfPr84e0Au8U0fUzjy9","X-Authority-Info-Out":"v=2.4 cv=T72BjvKQ c=1 sm=1 tr=0 ts=69cdffac\n cx=c_apl:c_pps:t_out a=bsP7O+dXZ5uKcj+dsLqiMw==:117\n a=bsP7O+dXZ5uKcj+dsLqiMw==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=x0iqa3ucmZZh0HPruXgA:9","X-Proofpoint-ORIG-GUID":"acwzu_coFQu3PKfPr84e0Au8U0fUzjy9","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDAyMDA0NyBTYWx0ZWRfX9B0Vp1a1TFH+\n Lbh0k2NYcJqQ5FaISCrY7y/XhLdyr28ZAZspBK9EVPAH7+zzkIRfGX2LZ6mXaZTHth+uv2SfeuD\n UxhhIoH2+6WOrpadK0AjXVL983vU4oJJaiSNt1pUwl7B3dDdxSUTogFdnKsIG1Q8WRqlMLG4WRM\n 3cH3OAIZun7m8JKN4RrfozZr0eX/XZrbzYRIoZKmXbNhNE4msjnwUVBMa89PEO5d/j4gpX8TS+l\n 1dWadxHqlk2aSv11Dkh9Igg5stNUVGB9kHiun7PCZCW55Anw9/cljL9J9QGek1Z7687OQ15lLfL\n K/5wdwT3y6hVVk51uXruRqpAGWNzwvijl6F9zLPOcgEEe116kCFcHOKPgfYlYA=","X-Proofpoint-Virus-Version":"vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-02_01,2026-04-01_02,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=notspam policy=default score=0 phishscore=0\n lowpriorityscore=0 spamscore=0 mlxscore=0 suspectscore=0 adultscore=0\n bulkscore=0 malwarescore=0 mlxlogscore=903 clxscore=1030 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2604020047","Received-SPF":"pass client-ip=57.103.84.151;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.qs.icloud.com","X-Spam_score_int":"-7","X-Spam_score":"-0.8","X-Spam_bar":"/","X-Spam_report":"(-0.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development <qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>","List-Archive":"<https://lists.nongnu.org/archive/html/qemu-devel>","List-Post":"<mailto:qemu-devel@nongnu.org>","List-Help":"<mailto:qemu-devel-request@nongnu.org?subject=help>","List-Subscribe":"<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Instead of just the command number, include the instruction name to make debugging easier.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/emulate/x86_emu.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)","diff":"diff --git a/target/i386/emulate/x86_emu.c b/target/i386/emulate/x86_emu.c\nindex 55b1a68eb6..c2da1a133f 100644\n--- a/target/i386/emulate/x86_emu.c\n+++ b/target/i386/emulate/x86_emu.c\n@@ -1399,8 +1399,8 @@ static void init_cmd_handler(void)\n bool exec_instruction(CPUX86State *env, struct x86_decode *ins)\n {\n     if (!_cmd_handler[ins->cmd].handler) {\n-        printf(\"Unimplemented handler (\" TARGET_FMT_lx \") for %d (%x %x)\\n\",\n-                env->eip,\n+        printf(\"Unimplemented handler (\" TARGET_FMT_lx \") for %s - %d (%x %x)\\n\",\n+                env->eip, decode_cmd_to_string(ins->cmd),\n                 ins->cmd, ins->opcode[0],\n                 ins->opcode_len > 1 ? ins->opcode[1] : 0);\n         env->eip += ins->len;\n","prefixes":["1/4"]}