From nobody Thu Nov 13 23:29:23 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1583322306; cv=none; d=zohomail.com; s=zohoarc; b=ZohMNj/ftCGl8iXWnpF4N/bF0QQdWPbmQEV601r4e5xjuV1dDgtPocJA+3c0XCWNGVKMcK6xzc5P0xR26ElmN2l47hp63gjs0FUvI6y8W8J3/uSd6Q89i1LwXpqx5fYomB9HSUNtbI+I4S9RkoZoG5Yf2B9t8vH1jtZYtrVN/SM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1583322306; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=EZBFhD8p6XOPahrQxrcC6rGTkELrrxUPjY7ruyhTfcs=; b=bq/i2hCIG1FUC4IuCDxT7bYzNxUyNxCTC1Xxd2UDoD8aTfRpquERLPxbp3hnUjk9WtcT3ANacZpKCHXAenU7zqE90YiGIxaOLgIlV1JyLMbvSokz+SvAosQFSD4Ba/uusd1Wl9HY4mMhYqi26M37iuVnVo3ZUTIKXfGaANR7gVw= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1583322306256777.6292910766249; Wed, 4 Mar 2020 03:45:06 -0800 (PST) Received: from localhost ([::1]:33018 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j9SSW-00007N-SU for importer@patchew.org; Wed, 04 Mar 2020 06:45:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45137) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j9SQw-00069Z-TR for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:43:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j9SQv-0007fh-TE for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:43:26 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:8252 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j9SQv-0007fa-Ol for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:43:25 -0500 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 024BdEjV081841 for ; Wed, 4 Mar 2020 06:43:25 -0500 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0b-001b2d01.pphosted.com with ESMTP id 2yhukm6x57-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 04 Mar 2020 06:43:25 -0500 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 4 Mar 2020 11:43:20 -0000 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 024BhJvB61603928 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 4 Mar 2020 11:43:19 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0E0DB42052; Wed, 4 Mar 2020 11:43:19 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4AFE84204B; Wed, 4 Mar 2020 11:43:18 +0000 (GMT) Received: from localhost.localdomain (unknown [9.152.224.55]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 4 Mar 2020 11:43:18 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v6 11/18] s390x: protvirt: Set guest IPL PSW Date: Wed, 4 Mar 2020 06:42:24 -0500 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200304114231.23493-1-frankja@linux.ibm.com> References: <20200304114231.23493-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 x-cbid: 20030411-4275-0000-0000-000003A844A5 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030411-4276-0000-0000-000038BD5012 Message-Id: <20200304114231.23493-12-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-04_01:2020-03-04, 2020-03-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 mlxscore=0 mlxlogscore=999 bulkscore=0 suspectscore=1 clxscore=1015 malwarescore=0 priorityscore=1501 phishscore=0 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003040090 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: borntraeger@de.ibm.com, qemu-s390x@nongnu.org, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Handling of CPU reset and setting of the IPL psw from guest storage at offset 0 is done by a Ultravisor call. Let's only fetch it if necessary. Signed-off-by: Janosch Frank Reviewed-by: Thomas Huth Reviewed-by: David Hildenbrand --- target/s390x/cpu.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 69b1cc5dfc..7840e784f1 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -78,16 +78,21 @@ static bool s390_cpu_has_work(CPUState *cs) static void s390_cpu_load_normal(CPUState *s) { S390CPU *cpu =3D S390_CPU(s); - uint64_t spsw =3D ldq_phys(s->as, 0); - - cpu->env.psw.mask =3D spsw & PSW_MASK_SHORT_CTRL; - /* - * Invert short psw indication, so SIE will report a specification - * exception if it was not set. - */ - cpu->env.psw.mask ^=3D PSW_MASK_SHORTPSW; - cpu->env.psw.addr =3D spsw & PSW_MASK_SHORT_ADDR; + CPUS390XState *env =3D &cpu->env; + uint64_t spsw; =20 + if (!env->pv) { + spsw =3D ldq_phys(s->as, 0); + cpu->env.psw.mask =3D spsw & PSW_MASK_SHORT_CTRL; + /* + * Invert short psw indication, so SIE will report a specification + * exception if it was not set. + */ + cpu->env.psw.mask ^=3D PSW_MASK_SHORTPSW; + cpu->env.psw.addr =3D spsw & PSW_MASK_SHORT_ADDR; + } else { + s390_cpu_set_state(S390_CPU_STATE_LOAD, cpu); + } s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); } #endif --=20 2.20.1