From patchwork Mon Jul 24 16:53:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 1811930 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=fSoEo8GJ; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4R8mWb07GVz1yZw for ; Tue, 25 Jul 2023 02:55:55 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qNyp6-0001Im-43; Mon, 24 Jul 2023 12:54:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qNyov-0001Fs-Pi for qemu-devel@nongnu.org; Mon, 24 Jul 2023 12:54:07 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qNyot-0006uP-Vd for qemu-devel@nongnu.org; Mon, 24 Jul 2023 12:54:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1690217643; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QQl7HRL94axMnGZRFFRaqybzWgZPGl6KbF3ideB+fxY=; b=fSoEo8GJXnl30c7WnapUYlI4o8QU1FpFz/dMqdnfzxf1IjhaZ895CkhzjtJAWmOyZ9nNl8 JbAC6DZYzL0Mb4PCyXhS08Oo2pZeWhhpw/RZuizwgGFhQ6PSaxj3X7NCVMwGIv7NhDtt8y ctZJUEJZJ6HbsKYd2NNXn8ZvsQibCtE= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-692-25g39919OeyuTF0XyvaPpQ-1; Mon, 24 Jul 2023 12:54:00 -0400 X-MC-Unique: 25g39919OeyuTF0XyvaPpQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 97F8C185A792; Mon, 24 Jul 2023 16:53:59 +0000 (UTC) Received: from thuth.com (unknown [10.39.192.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id 70345492CAC; Mon, 24 Jul 2023 16:53:58 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Peter Maydell , Ilya Leoshkevich , qemu-stable@nongnu.org, David Hildenbrand , Richard Henderson Subject: [PULL 05/16] target/s390x: Make MC raise specification exception when class >= 16 Date: Mon, 24 Jul 2023 18:53:38 +0200 Message-Id: <20230724165349.55714-6-thuth@redhat.com> In-Reply-To: <20230724165349.55714-1-thuth@redhat.com> References: <20230724165349.55714-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Ilya Leoshkevich MC requires bit positions 8-11 (upper 4 bits of class) to be zeros, otherwise it must raise a specification exception. Cc: qemu-stable@nongnu.org Fixes: 20d143e2cab8 ("s390x/tcg: Implement MONITOR CALL") Reviewed-by: David Hildenbrand Reviewed-by: Richard Henderson Signed-off-by: Ilya Leoshkevich Message-Id: <20230724082032.66864-6-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- target/s390x/tcg/excp_helper.c | 2 +- target/s390x/tcg/translate.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/target/s390x/tcg/excp_helper.c b/target/s390x/tcg/excp_helper.c index 228aa9f237..3da337f7c7 100644 --- a/target/s390x/tcg/excp_helper.c +++ b/target/s390x/tcg/excp_helper.c @@ -639,7 +639,7 @@ void monitor_event(CPUS390XState *env, void HELPER(monitor_call)(CPUS390XState *env, uint64_t monitor_code, uint32_t monitor_class) { - g_assert(monitor_class <= 0xff); + g_assert(monitor_class <= 0xf); if (env->cregs[8] & (0x8000 >> monitor_class)) { monitor_event(env, monitor_code, monitor_class, GETPC()); diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 244e61ad2e..84d76f1cea 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -3177,9 +3177,9 @@ static DisasJumpType op_lcbb(DisasContext *s, DisasOps *o) static DisasJumpType op_mc(DisasContext *s, DisasOps *o) { - const uint16_t monitor_class = get_field(s, i2); + const uint8_t monitor_class = get_field(s, i2); - if (monitor_class & 0xff00) { + if (monitor_class & 0xf0) { gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; }