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 X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F7D5C43603 for ; Sat, 14 Dec 2019 09:52:58 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6CFE120700 for ; Sat, 14 Dec 2019 09:52:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Yuem2/Rv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CFE120700 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ig46b-0004Fj-1b for qemu-devel@archiver.kernel.org; Sat, 14 Dec 2019 04:52:57 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51894) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ig3zr-0004ej-JD for qemu-devel@nongnu.org; Sat, 14 Dec 2019 04:46:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ig3zo-00055O-R9 for qemu-devel@nongnu.org; Sat, 14 Dec 2019 04:45:58 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:37012 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ig3zo-00051z-GG for qemu-devel@nongnu.org; Sat, 14 Dec 2019 04:45:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576316755; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9RyiNGZBK+I1IuNyF19r9i05wMa4bRY1ZaqLueSYmug=; b=Yuem2/RvGJbkue4b2sMaPI+C4BBlXcL8tHqHHwPGNcAlHSw3TC+L9afDzPcbDnJ7lLwAOL BleI32BX1WUV5So8jRWkZQK5rkY6WHnR0StV1Kxbuz+qSmm+sfDJpgid+Jj4dwgjO0ffbZ y77zal7Ah6ckuvUMI9Si/QnEs3Qot+A= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-429-Mbr1gCFYMJ2PlF6NMf7zEA-1; Sat, 14 Dec 2019 04:45:52 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C4229107ACC7; Sat, 14 Dec 2019 09:45:50 +0000 (UTC) Received: from localhost (ovpn-116-90.ams2.redhat.com [10.36.116.90]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6575E5D9C9; Sat, 14 Dec 2019 09:45:50 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Subject: [PULL v2 05/16] s390x: Move initial reset Date: Sat, 14 Dec 2019 10:45:15 +0100 Message-Id: <20191214094526.8698-6-cohuck@redhat.com> In-Reply-To: <20191214094526.8698-1-cohuck@redhat.com> References: <20191214094526.8698-1-cohuck@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: Mbr1gCFYMJ2PlF6NMf7zEA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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 , Janosch Frank , David Hildenbrand , Cornelia Huck , qemu-devel@nongnu.org, qemu-s390x@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Janosch Frank Let's move the intial reset into the reset handler and cleanup afterwards. Signed-off-by: Janosch Frank Reviewed-by: David Hildenbrand Message-Id: <20191128083723.11937-1-frankja@linux.ibm.com> Reviewed-by: Thomas Huth Signed-off-by: Cornelia Huck --- target/s390x/cpu-qom.h | 2 +- target/s390x/cpu.c | 46 +++++++++++++++++------------------------- target/s390x/cpu.h | 2 +- target/s390x/sigp.c | 2 +- 4 files changed, 21 insertions(+), 31 deletions(-) diff --git a/target/s390x/cpu-qom.h b/target/s390x/cpu-qom.h index f3b71bac67c9..6f0a12042ed4 100644 --- a/target/s390x/cpu-qom.h +++ b/target/s390x/cpu-qom.h @@ -36,6 +36,7 @@ typedef struct S390CPUDef S390CPUDef; =20 typedef enum cpu_reset_type { S390_CPU_RESET_NORMAL, + S390_CPU_RESET_INITIAL, } cpu_reset_type; =20 /** @@ -62,7 +63,6 @@ typedef struct S390CPUClass { void (*parent_reset)(CPUState *cpu); void (*load_normal)(CPUState *cpu); void (*reset)(CPUState *cpu, cpu_reset_type type); - void (*initial_cpu_reset)(CPUState *cpu); } S390CPUClass; =20 typedef struct S390CPU S390CPU; diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 67d6fbfa4401..ca62fe768569 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -94,6 +94,23 @@ static void s390_cpu_reset(CPUState *s, cpu_reset_type t= ype) s390_cpu_set_state(S390_CPU_STATE_STOPPED, cpu); =20 switch (type) { + case S390_CPU_RESET_INITIAL: + /* initial reset does not clear everything! */ + memset(&env->start_initial_reset_fields, 0, + offsetof(CPUS390XState, end_reset_fields) - + offsetof(CPUS390XState, start_initial_reset_fields)); + + /* architectured initial value for Breaking-Event-Address register= */ + env->gbea =3D 1; + + /* architectured initial values for CR 0 and 14 */ + env->cregs[0] =3D CR0_RESET; + env->cregs[14] =3D CR14_RESET; + + /* tininess for underflow is detected before rounding */ + set_float_detect_tininess(float_tininess_before_rounding, + &env->fpu_status); + /* fall through */ case S390_CPU_RESET_NORMAL: env->pfault_token =3D -1UL; env->bpbc =3D false; @@ -101,35 +118,9 @@ static void s390_cpu_reset(CPUState *s, cpu_reset_type= type) default: g_assert_not_reached(); } -} - -/* S390CPUClass::initial_reset() */ -static void s390_cpu_initial_reset(CPUState *s) -{ - S390CPU *cpu =3D S390_CPU(s); - CPUS390XState *env =3D &cpu->env; - - s390_cpu_reset(s, S390_CPU_RESET_NORMAL); - /* initial reset does not clear everything! */ - memset(&env->start_initial_reset_fields, 0, - offsetof(CPUS390XState, end_reset_fields) - - offsetof(CPUS390XState, start_initial_reset_fields)); - - /* architectured initial values for CR 0 and 14 */ - env->cregs[0] =3D CR0_RESET; - env->cregs[14] =3D CR14_RESET; - - /* architectured initial value for Breaking-Event-Address register */ - env->gbea =3D 1; - - env->pfault_token =3D -1UL; - - /* tininess for underflow is detected before rounding */ - set_float_detect_tininess(float_tininess_before_rounding, - &env->fpu_status); =20 /* Reset state inside the kernel that we cannot access yet from QEMU. = */ - if (kvm_enabled()) { + if (kvm_enabled() && type !=3D S390_CPU_RESET_NORMAL) { kvm_s390_reset_vcpu(cpu); } } @@ -481,7 +472,6 @@ static void s390_cpu_class_init(ObjectClass *oc, void *= data) scc->load_normal =3D s390_cpu_load_normal; #endif scc->reset =3D s390_cpu_reset; - scc->initial_cpu_reset =3D s390_cpu_initial_reset; cc->reset =3D s390_cpu_full_reset; cc->class_by_name =3D s390_cpu_class_by_name, cc->has_work =3D s390_cpu_has_work; diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 18123dfd5bd1..d2af13b345cc 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -748,7 +748,7 @@ static inline void s390_do_cpu_initial_reset(CPUState *= cs, run_on_cpu_data arg) { S390CPUClass *scc =3D S390_CPU_GET_CLASS(cs); =20 - scc->initial_cpu_reset(cs); + scc->reset(cs, S390_CPU_RESET_INITIAL); } =20 static inline void s390_do_cpu_load_normal(CPUState *cs, run_on_cpu_data a= rg) diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c index 850139b9cd54..727875bb4ab9 100644 --- a/target/s390x/sigp.c +++ b/target/s390x/sigp.c @@ -254,7 +254,7 @@ static void sigp_initial_cpu_reset(CPUState *cs, run_on= _cpu_data arg) SigpInfo *si =3D arg.host_ptr; =20 cpu_synchronize_state(cs); - scc->initial_cpu_reset(cs); + scc->reset(cs, S390_CPU_RESET_INITIAL); cpu_synchronize_post_reset(cs); si->cc =3D SIGP_CC_ORDER_CODE_ACCEPTED; } --=20 2.21.0