Message ID | 20230313153844.9231-3-iii@linux.ibm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 44532C6FD19 for <qemu-devel@archiver.kernel.org>; Mon, 13 Mar 2023 15:39:49 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1pbkGU-0007vb-DN; Mon, 13 Mar 2023 11:39:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <iii@linux.ibm.com>) id 1pbkGN-0007l3-5K; Mon, 13 Mar 2023 11:39:03 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <iii@linux.ibm.com>) id 1pbkGL-0004v4-Di; Mon, 13 Mar 2023 11:39:02 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32DF7pwq007638; Mon, 13 Mar 2023 15:38:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=SopI3bT10nFs+G/Z6vkYrxjFbp4FlJzEA/DA7IkYGbE=; b=PdWFf8F9lV6wBamV3b6wGYMN0gvFGU/WnzzgNyEzh5pes4MdZWnTlaCjBxBUY9NqJCEg YBJqnYebBZWF1WUQItw4zCWYAlUigYrHii/OSGwctj8Qhi6hRkVCWy24QEDDBcSyq1iH Y6FQsvMfXdSGmG0N/HB6zhodb3AFBcn4KlYBpY3T4PFtq40fyj3QHWZB95CCDiJKMWVi qCuFkw30dMs9GbeFB9oK/QzgTdH4hiOjAvyPUX1ycXWF9AWRS33QcHLKeCV0/X+v5+Gz 4v3nVZUGVFrCCmRkvb4U0ebQs/E54zE2jrYLhFAAnBR2/gSxRiwqScFoj8wYJ6XnwHl3 3Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pa3ac6skj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 13 Mar 2023 15:38:58 +0000 Received: from m0098399.ppops.net (m0098399.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 32DDXIJU016509; Mon, 13 Mar 2023 15:38:58 GMT Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pa3ac6sjt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 13 Mar 2023 15:38:58 +0000 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 32DDwlb0028628; Mon, 13 Mar 2023 15:38:56 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma04ams.nl.ibm.com (PPS) with ESMTPS id 3p8h96kjhe-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 13 Mar 2023 15:38:56 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 32DFcq5T47382894 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 13 Mar 2023 15:38:52 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AD35B20049; Mon, 13 Mar 2023 15:38:52 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2559A20040; Mon, 13 Mar 2023 15:38:52 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.87.70]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 13 Mar 2023 15:38:52 +0000 (GMT) From: Ilya Leoshkevich <iii@linux.ibm.com> To: Richard Henderson <richard.henderson@linaro.org>, David Hildenbrand <david@redhat.com> Cc: Thomas Huth <thuth@redhat.com>, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich <iii@linux.ibm.com>, Nina Schoetterl-Glausch <nsg@linux.ibm.com> Subject: [PATCH v2 02/12] target/s390x: Handle EXECUTE of odd addresses Date: Mon, 13 Mar 2023 16:38:34 +0100 Message-Id: <20230313153844.9231-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313153844.9231-1-iii@linux.ibm.com> References: <20230313153844.9231-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: UalDZVdLUOtDs7-JhtdUQRHy9lCacZet X-Proofpoint-ORIG-GUID: HwoPGkF9Z7WEMA57GmoCfrkeqF6KAOqv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-13_07,2023-03-13_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxlogscore=783 mlxscore=0 phishscore=0 impostorscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303130121 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <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>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org |
Series |
target/s390x: Handle unaligned accesses
|
expand
|
diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c index 6835c26dda4..9d1c4bb7374 100644 --- a/target/s390x/tcg/mem_helper.c +++ b/target/s390x/tcg/mem_helper.c @@ -2468,8 +2468,16 @@ void HELPER(stpq_parallel)(CPUS390XState *env, uint64_t addr, */ void HELPER(ex)(CPUS390XState *env, uint32_t ilen, uint64_t r1, uint64_t addr) { - uint64_t insn = cpu_lduw_code(env, addr); - uint8_t opc = insn >> 8; + uint64_t insn; + uint8_t opc; + + /* EXECUTE targets must be at even addresses. */ + if (addr & 1) { + tcg_s390_program_interrupt(env, PGM_SPECIFICATION, GETPC()); + } + + insn = cpu_lduw_code(env, addr); + opc = insn >> 8; /* Or in the contents of R1[56:63]. */ insn |= r1 & 0xff;