From nobody Sun Feb 8 23:05:20 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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 (zoho.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=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1568823712; cv=none; d=zoho.com; s=zohoarc; b=l2kEBffLVlXrA6nc/lbFjo5IRqXJG9dUD2ioJ1ZyHgtSx8w+Vi7Ue8Iom/d9FejKmyyHKGubCEFTf+5BHtKoax7fF9BXY4K/eTTdSOHK1pYaYt56I8pjzCU7WKuFbRP8+j3dXkGKQ6xPFLuYt7UmHyu93kUFQNYhIRAvKIdVWRs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1568823712; 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:ARC-Authentication-Results; bh=Ta3xDJdf1twB/P0yHinG5Y8t4yBSTsGgY9arihUNrM4=; b=k3/YM9EVMBJSUkndu4YwZzo6CXoiQV8S5V2Qkh0TVdaOZeQeBt2+RR9c1dmcMe/zX5l1plSyh+OVKy3cSgL9XTDwRl8/Mhlq8aMGVWY2Uuto0HJ9ul1psT2Cw37v1+MyAe/weblOlBFBnIEz0d5yqvyx/K7+71q9xIszSL9IfxY= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.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 1568823712466802.1513890236955; Wed, 18 Sep 2019 09:21:52 -0700 (PDT) Received: from localhost ([::1]:60598 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAciE-0001v1-I1 for importer@patchew.org; Wed, 18 Sep 2019 12:21:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50490) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAbu7-0000YB-07 for qemu-devel@nongnu.org; Wed, 18 Sep 2019 11:30:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iAbu5-0007tF-K6 for qemu-devel@nongnu.org; Wed, 18 Sep 2019 11:30:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45290) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iAbu5-0007sm-DP; Wed, 18 Sep 2019 11:30:01 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AC84F111B947; Wed, 18 Sep 2019 15:30:00 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-119.ams2.redhat.com [10.36.117.119]) by smtp.corp.redhat.com (Postfix) with ESMTP id 748455D6A5; Wed, 18 Sep 2019 15:29:56 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Wed, 18 Sep 2019 17:29:03 +0200 Message-Id: <20190918152922.18949-11-david@redhat.com> In-Reply-To: <20190918152922.18949-1-david@redhat.com> References: <20190918152922.18949-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.66]); Wed, 18 Sep 2019 15:30:00 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL SUBSYSTEM s390x 10/29] s390x/tcg: MVCS/MVCP: Check for special operation exceptions 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: Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Let's perform the documented checks. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/mem_helper.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index 86238e0163..20e1ac0ea9 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -1960,12 +1960,18 @@ uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t = r2) =20 uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_= t a2) { + const uint8_t psw_as =3D (env->psw.mask & PSW_MASK_ASC) >> PSW_SHIFT_A= SC; uintptr_t ra =3D GETPC(); int cc =3D 0, i; =20 HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n", __func__, l, a1, a2); =20 + if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY= ) || + psw_as =3D=3D AS_HOME || psw_as =3D=3D AS_ACCREG) { + s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra); + } + if (l > 256) { /* max 256 */ l =3D 256; @@ -1983,12 +1989,18 @@ uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t = l, uint64_t a1, uint64_t a2) =20 uint32_t HELPER(mvcp)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_= t a2) { + const uint8_t psw_as =3D (env->psw.mask & PSW_MASK_ASC) >> PSW_SHIFT_A= SC; uintptr_t ra =3D GETPC(); int cc =3D 0, i; =20 HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n", __func__, l, a1, a2); =20 + if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY= ) || + psw_as =3D=3D AS_HOME || psw_as =3D=3D AS_ACCREG) { + s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra); + } + if (l > 256) { /* max 256 */ l =3D 256; --=20 2.21.0