From patchwork Fri Mar 31 11:30:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nico Boehr X-Patchwork-Id: 13195809 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7F45C761AF for ; Fri, 31 Mar 2023 11:32:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231753AbjCaLcP (ORCPT ); Fri, 31 Mar 2023 07:32:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231771AbjCaLcL (ORCPT ); Fri, 31 Mar 2023 07:32:11 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 117561DFBE for ; Fri, 31 Mar 2023 04:31:40 -0700 (PDT) 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 32V9Btaj014167; Fri, 31 Mar 2023 11:31:21 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 : content-transfer-encoding : mime-version; s=pp1; bh=0r7aBIDkLQ7TqVUppeuunGn1Rk70pTEuFzrmABzY4fQ=; b=qXqteSt8QLh0CBtX0cv63VMohunw3uOUz569XCFlnS051f7AOZnl8+klez8Ik4/Nkm7D 6buKVWl+ZxitZj9FQ82ysaDXjn0006A4SY0gSlfwHgY0gdhulDFp3qM0qTtXgogJ0tFN YGMzdGcnkgmn38Ne1d72Tuv6ehjIZpxzAeiEmSMmooTaYNgkdoQMAFu7aNhbES4CTmb4 h6tq4G21vBJ3wbBFzLN+SY/uSbd1KNLWqH/oOWxdV1y8JPeFvjacdRwXF40L0UrN2eT7 HtV+w09b9komF+pUQsIRmqccjLbMa8Ecq07L6Sm/RIILPwV/ufy0314x8iT1/+Qpe/MS +A== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pnvnyb8w5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 31 Mar 2023 11:31:21 +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 32VBGAxi006381; Fri, 31 Mar 2023 11:31:19 GMT Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pnvnyb8qq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 31 Mar 2023 11:31:19 +0000 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 32V1S9Rd008501; Fri, 31 Mar 2023 11:31:03 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma06ams.nl.ibm.com (PPS) with ESMTPS id 3phr7fpq9j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 31 Mar 2023 11:31:03 +0000 Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 32VBUx5Z30016222 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 31 Mar 2023 11:30:59 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EFD8E2004B; Fri, 31 Mar 2023 11:30:58 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C980B20040; Fri, 31 Mar 2023 11:30:57 +0000 (GMT) Received: from t14-nrb.ibmuc.com (unknown [9.179.9.190]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 31 Mar 2023 11:30:57 +0000 (GMT) From: Nico Boehr To: thuth@redhat.com, pbonzini@redhat.com, andrew.jones@linux.dev Cc: kvm@vger.kernel.org, frankja@linux.ibm.com, imbrenda@linux.ibm.com, Nina Schoetterl-Glausch Subject: [kvm-unit-tests GIT PULL 13/14] s390x: spec_ex: Add test for misaligned load Date: Fri, 31 Mar 2023 13:30:27 +0200 Message-Id: <20230331113028.621828-14-nrb@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230331113028.621828-1-nrb@linux.ibm.com> References: <20230331113028.621828-1-nrb@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 4GkG0iqaSBdjosD1GwLfHFRXc7e_5snA X-Proofpoint-GUID: ikIx9bh6t82tnxrITWZS0VS2VK3dcjHx X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 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=2023-03-31_06,2023-03-30_04,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 mlxlogscore=999 suspectscore=0 spamscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2303310094 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Nina Schoetterl-Glausch The operand of LOAD RELATIVE LONG must be word aligned, otherwise a specification exception occurs. Test that this exception occurs. Signed-off-by: Nina Schoetterl-Glausch Reviewed-by: Nico Boehr Reviewed-by: Claudio Imbrenda Link: https://lore.kernel.org/r/20230301132638.3336040-1-nsg@linux.ibm.com Signed-off-by: Nico Boehr --- s390x/spec_ex.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/s390x/spec_ex.c b/s390x/spec_ex.c index b4b9095..20bd502 100644 --- a/s390x/spec_ex.c +++ b/s390x/spec_ex.c @@ -201,7 +201,7 @@ static int odd_ex_target(void) return 0; } -static int bad_alignment(void) +static int bad_alignment_lqp(void) { uint32_t words[5] __attribute__((aligned(16))); uint32_t (*bad_aligned)[4] = (uint32_t (*)[4])&words[1]; @@ -214,6 +214,22 @@ static int bad_alignment(void) return 0; } +static int bad_alignment_lrl(void) +{ + uint64_t r; + + asm volatile ( ".pushsection .rodata\n" + " .balign 4\n" + " . = . + 2\n" + "0: .fill 4\n" + " .popsection\n" + + " lrl %0,0b\n" + : "=d" (r) + ); + return 0; +} + static int not_even(void) { uint64_t quad[2] __attribute__((aligned(16))) = {0}; @@ -243,7 +259,8 @@ static const struct spec_ex_trigger spec_ex_triggers[] = { { "short_psw_bit_12_is_0", &short_psw_bit_12_is_0, false, &fixup_invalid_psw }, { "psw_odd_address", &psw_odd_address, false, &fixup_invalid_psw }, { "odd_ex_target", &odd_ex_target, true, NULL }, - { "bad_alignment", &bad_alignment, true, NULL }, + { "bad_alignment_lqp", &bad_alignment_lqp, true, NULL }, + { "bad_alignment_lrl", &bad_alignment_lrl, true, NULL }, { "not_even", ¬_even, true, NULL }, { NULL, NULL, false, NULL }, };