From nobody Tue Feb 10 06:04:56 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; 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 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 15127492286121011.0777806839936; Fri, 8 Dec 2017 08:07:08 -0800 (PST) Received: from localhost ([::1]:37894 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eNLB2-00064p-5i for importer@patchew.org; Fri, 08 Dec 2017 11:07:04 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39011) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eNL6Y-0002Ut-24 for qemu-devel@nongnu.org; Fri, 08 Dec 2017 11:02:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eNL6U-0005MF-Uh for qemu-devel@nongnu.org; Fri, 08 Dec 2017 11:02:26 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33456) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eNL6U-0005Lq-Lz; Fri, 08 Dec 2017 11:02:22 -0500 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 BC833C07C593; Fri, 8 Dec 2017 16:02:21 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-132.ams2.redhat.com [10.36.116.132]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6FF7777C93; Fri, 8 Dec 2017 16:02:18 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Date: Fri, 8 Dec 2017 17:01:56 +0100 Message-Id: <20171208160207.26494-4-david@redhat.com> In-Reply-To: <20171208160207.26494-1-david@redhat.com> References: <20171208160207.26494-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Fri, 08 Dec 2017 16:02:21 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 for-2.12 03/14] s390x/tcg: implement SET CLOCK PROGRAMMABLE FIELD X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christian Borntraeger , Cornelia Huck , David Hildenbrand , Alexander Graf , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Needed for machine check handling inside Linux (when restoring registers). Except for SIGP and machine checks, we don't make use of the register yet. Sufficient for now. Reviewed-by: Thomas Huth Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/misc_helper.c | 11 +++++++++++ target/s390x/translate.c | 7 +++++++ 4 files changed, 21 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 9459b73c73..3eb7715e5b 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -127,6 +127,7 @@ DEF_HELPER_3(load_psw, noreturn, env, i64, i64) DEF_HELPER_FLAGS_2(spx, TCG_CALL_NO_RWG, void, env, i64) DEF_HELPER_FLAGS_1(stck, TCG_CALL_NO_RWG_SE, i64, env) DEF_HELPER_FLAGS_2(sckc, TCG_CALL_NO_RWG, void, env, i64) +DEF_HELPER_FLAGS_2(sckpf, TCG_CALL_NO_RWG, void, env, i64) DEF_HELPER_FLAGS_1(stckc, TCG_CALL_NO_RWG, i64, env) DEF_HELPER_FLAGS_2(spt, TCG_CALL_NO_RWG, void, env, i64) DEF_HELPER_FLAGS_1(stpt, TCG_CALL_NO_RWG, i64, env) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 16e27c8a35..8c2541f545 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -999,6 +999,8 @@ C(0xb204, SCK, S, Z, 0, 0, 0, 0, 0, 0) /* SET CLOCK COMPARATOR */ C(0xb206, SCKC, S, Z, 0, m2_64, 0, 0, sckc, 0) +/* SET CLOCK PROGRAMMABLE FIELD */ + C(0x0107, SCKPF, E, Z, 0, 0, 0, 0, sckpf, 0) /* SET CPU TIMER */ C(0xb208, SPT, S, Z, 0, m2_64, 0, 0, spt, 0) /* SET PREFIX */ diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c index 6d766ce1e7..769ec52e1d 100644 --- a/target/s390x/misc_helper.c +++ b/target/s390x/misc_helper.c @@ -146,6 +146,17 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time) timer_mod(env->tod_timer, env->tod_basetime + time); } =20 +/* Set Tod Programmable Field */ +void HELPER(sckpf)(CPUS390XState *env, uint64_t r0) +{ + uint32_t val =3D r0; + + if (val & 0xffff0000) { + s390_program_interrupt(env, PGM_SPECIFICATION, 2, GETPC()); + } + env->todpr =3D val; +} + /* Store Clock Comparator */ uint64_t HELPER(stckc)(CPUS390XState *env) { diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 26cf993405..d13f531c5b 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -3922,6 +3922,13 @@ static ExitStatus op_sckc(DisasContext *s, DisasOps = *o) return NO_EXIT; } =20 +static ExitStatus op_sckpf(DisasContext *s, DisasOps *o) +{ + check_privileged(s); + gen_helper_sckpf(cpu_env, regs[0]); + return NO_EXIT; +} + static ExitStatus op_stckc(DisasContext *s, DisasOps *o) { check_privileged(s); --=20 2.14.3