From mboxrd@z Thu Jan 1 00:00:00 1970 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 89064C761AF for ; Tue, 4 Apr 2023 08:55:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234201AbjDDIzY (ORCPT ); Tue, 4 Apr 2023 04:55:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233880AbjDDIzU (ORCPT ); Tue, 4 Apr 2023 04:55:20 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC04B1FDB; Tue, 4 Apr 2023 01:55:18 -0700 (PDT) Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3348HiBR003141; Tue, 4 Apr 2023 08:55:18 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=H8sMvmcyZ17R25BVQtUzEbJWfVhOdi8FL5ddcLjTBls=; b=BuO3I+MMD6aj2RecaepPhONZAG84Tj9Ir9lR2kh6KUXGII7FCJ0yxRcwRXje647zMc8N adSAv5C2+b7jkRgckGaYuQSXyvyoNi18R9tzoZUj3KAx3kk/5LSjWAUv/lrCFoF/oVqs Zy45iQ2o2NKcvWwmMNs6GDTi6k2UeAt5YV09nQenQu/hbQ0PmFZuZRYc9BxS2qsrGXRZ kdPZoRgkAQvp0LhBg7HNzo1tk8jk5DKSuoBK5v6buJMb58XZWa5KVmyG6QWSoDZasDjE HEPNhnVi3q7640pjk48RR2VTg8PXsHaV8+SfugTew0Z4W1PNieZw5UG41JoGYGk5fWAk YA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3prg8b8qb0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 04 Apr 2023 08:55:18 +0000 Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3348tIX8025422; Tue, 4 Apr 2023 08:55:18 GMT Received: from ppma05fra.de.ibm.com (6c.4a.5195.ip4.static.sl-reverse.com [149.81.74.108]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3prg8b8qa2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 04 Apr 2023 08:55:17 +0000 Received: from pps.filterd (ppma05fra.de.ibm.com [127.0.0.1]) by ppma05fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3331blCW008038; Tue, 4 Apr 2023 08:55:15 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma05fra.de.ibm.com (PPS) with ESMTPS id 3ppc86sstn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 04 Apr 2023 08:55:15 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3348tBjf14025412 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 4 Apr 2023 08:55:11 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6882E2004F; Tue, 4 Apr 2023 08:55:11 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1FCE12004B; Tue, 4 Apr 2023 08:55:11 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 4 Apr 2023 08:55:11 +0000 (GMT) From: Nina Schoetterl-Glausch To: Thomas Huth , Janosch Frank , Claudio Imbrenda Cc: Nina Schoetterl-Glausch , David Hildenbrand , kvm@vger.kernel.org, linux-s390@vger.kernel.org Subject: [kvm-unit-tests PATCH v5 3/3] s390x/spec_ex: Add test of EXECUTE with odd target address Date: Tue, 4 Apr 2023 10:54:53 +0200 Message-Id: <20230404085454.2709061-4-nsg@linux.ibm.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230404085454.2709061-1-nsg@linux.ibm.com> References: <20230404085454.2709061-1-nsg@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: rhXAuPNljL4htpiu0ukyWNt_ip5CGekL X-Proofpoint-GUID: VSHDUuCMMh4U24kM2BALINxq834Ho1_E 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=2023-04-04_02,2023-04-03_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 bulkscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 spamscore=0 mlxlogscore=999 adultscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304040079 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The EXECUTE instruction executes the instruction at the given target address. This address must be halfword aligned, otherwise a specification exception occurs. Add a test for this. Reviewed-by: Janosch Frank Reviewed-by: Claudio Imbrenda Signed-off-by: Nina Schoetterl-Glausch --- s390x/spec_ex.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/s390x/spec_ex.c b/s390x/spec_ex.c index 494d94cc..e5f7b12f 100644 --- a/s390x/spec_ex.c +++ b/s390x/spec_ex.c @@ -177,6 +177,30 @@ static int short_psw_bit_12_is_0(void) return 0; } +static int odd_ex_target(void) +{ + uint64_t pre_target_addr; + int to = 0, from = 0x0dd; + + asm volatile ( ".pushsection .text.ex_odd\n" + " .balign 2\n" + "pre_odd_ex_target%=:\n" + " . = . + 1\n" + " lr %[to],%[from]\n" + " .popsection\n" + + " larl %[pre_target_addr],pre_odd_ex_target%=\n" + " ex 0,1(%[pre_target_addr])\n" + : [pre_target_addr] "=&a" (pre_target_addr), + [to] "+d" (to) + : [from] "d" (from) + ); + + assert((pre_target_addr + 1) & 1); + report(to != from, "did not perform ex with odd target"); + return 0; +} + static int bad_alignment(void) { uint32_t words[5] __attribute__((aligned(16))); @@ -218,6 +242,7 @@ static const struct spec_ex_trigger spec_ex_triggers[] = { { "psw_bit_12_is_1", &psw_bit_12_is_1, false, &fixup_invalid_psw }, { "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 }, { "not_even", ¬_even, true, NULL }, { NULL, NULL, false, NULL }, -- 2.37.2