From nobody Sat Feb 7 06:40:02 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=1568643270; cv=none; d=zoho.com; s=zohoarc; b=VwbiaGofShd55QvY5wBaNkWQZiaeG4PJDwJlUJWrMZmI9HYle6iAF/lYnlmDNSk2p1mCqEXFSR53g2Yb6ZQd/3Dpfbuert6qs+lWV5H4i1AwDKe1+T7s8hWHPLlaJeYesTyYfd8o9Ei9A+dipt3MkfrGHzbVADXQR/a3qBcWs4Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1568643270; 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=eXBHFbKhfoTU47urHS++/nNzHEA99QDQ1eQgYh41Ci38f5ihBNfkNF3aJiZmfOnDFFI03AJ+k1KsJmY+JSCIaaTxVHD/09BLrau87oCkp3PQo1mI9Jw3+YxnZ72viCV8mpGh6yh6jC5iW2SL6XLBu93yJQJoXcQbP2TeQQSlm2E= 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 1568643270440601.2600083425021; Mon, 16 Sep 2019 07:14:30 -0700 (PDT) Received: from localhost ([::1]:34662 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i9rls-0002JQ-Qd for importer@patchew.org; Mon, 16 Sep 2019 10:14:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45988) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i9rWr-0002wj-Bp for qemu-devel@nongnu.org; Mon, 16 Sep 2019 09:58:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i9rWq-0000Jr-23 for qemu-devel@nongnu.org; Mon, 16 Sep 2019 09:58:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43012) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i9rWp-0000IS-Oj; Mon, 16 Sep 2019 09:58:55 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 64BAE307D974; Mon, 16 Sep 2019 13:58:54 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-103.ams2.redhat.com [10.36.117.103]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4963910013A1; Mon, 16 Sep 2019 13:58:52 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Mon, 16 Sep 2019 15:57:47 +0200 Message-Id: <20190916135806.1269-11-david@redhat.com> In-Reply-To: <20190916135806.1269-1-david@redhat.com> References: <20190916135806.1269-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Mon, 16 Sep 2019 13:58:54 +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] [PATCH v3 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: Florian Weimer , Thomas Huth , David Hildenbrand , =?UTF-8?q?Dan=20Hor=C3=A1k?= , Cornelia Huck , Richard Henderson , Stefano Brivio , qemu-s390x@nongnu.org, Cole Robinson , 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