From patchwork Wed Apr 5 08:45:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nico Boehr X-Patchwork-Id: 13201381 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 BAE7FC77B62 for ; Wed, 5 Apr 2023 08:46:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237634AbjDEIqB (ORCPT ); Wed, 5 Apr 2023 04:46:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237577AbjDEIpu (ORCPT ); Wed, 5 Apr 2023 04:45:50 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B96CC273F for ; Wed, 5 Apr 2023 01:45:47 -0700 (PDT) Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3358DNRq024828; Wed, 5 Apr 2023 08:45:45 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=cE6HLqwLSiWBQJdBjSZwLHdImuDnpP1zSM+T7zCcHIs=; b=leeWJhvBYRYpU5YKS7wGJIl2gOUalxLaUINs7l6kB+bXh6WX3HMGm52MgEmfx2HUqy+g 3EOadzoVc0gFrsXJ52bxqdkTqit1LTjWDc2+CVdWsQyUXzn6llqd+MikYM6/aN+oDExx M8YW7uvAUv2Ua9SCq2jtLPdFZwDqk+J+9cGZkmaVBDGfZHbbJYfdKH6DmnFlJHRavWBG b/OR8kAiieDV7huV3IgFjMw6QkQmjQhfo1Cc/MB2GmW8Ql9urgQqiD1aXfhZZKgs5n9a HDxh+4K7rVhALIG9oQ/eZY3tjmysGGZIFB1JO63axPG7wgCycP7I97JOLrrziVEXNIRb yA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ps59n0ngx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Apr 2023 08:45:45 +0000 Received: from m0127361.ppops.net (m0127361.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3358P4C1027964; Wed, 5 Apr 2023 08:45:45 GMT Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ps59n0ng9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Apr 2023 08:45:44 +0000 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3355SF5D004244; Wed, 5 Apr 2023 08:45:43 GMT Received: from smtprelay03.fra02v.mail.ibm.com ([9.218.2.224]) by ppma02fra.de.ibm.com (PPS) with ESMTPS id 3ppc86td27-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Apr 2023 08:45:41 +0000 Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3358jckl14549648 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 5 Apr 2023 08:45:38 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E531F20043; Wed, 5 Apr 2023 08:45:37 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7ADBB20040; Wed, 5 Apr 2023 08:45:37 +0000 (GMT) Received: from t14-nrb.ibmuc.com (unknown [9.171.30.226]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 5 Apr 2023 08:45:37 +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 v3 12/14] s390x: spec_ex: Add test for misaligned load Date: Wed, 5 Apr 2023 10:45:26 +0200 Message-Id: <20230405084528.16027-13-nrb@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230405084528.16027-1-nrb@linux.ibm.com> References: <20230405084528.16027-1-nrb@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: EuYOXX-X-AGm4dZhejCll2CMX-ewdgG9 X-Proofpoint-ORIG-GUID: lIB58o6udBZMTwzP8NUQYOdL6oZwSzah 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=2023-04-05_04,2023-04-04_05,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=999 spamscore=0 mlxscore=0 priorityscore=1501 phishscore=0 malwarescore=0 clxscore=1015 bulkscore=0 impostorscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304050079 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 e5f7b12..e3dd85d 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 }, };