From patchwork Mon May 18 21:42:28 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 473612 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 1C4FA1401B5 for ; Tue, 19 May 2015 07:44:55 +1000 (AEST) Received: from localhost ([::1]:43102 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuSqC-0006nu-VD for incoming@patchwork.ozlabs.org; Mon, 18 May 2015 17:44:52 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44817) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuSoB-0002ml-JF for qemu-devel@nongnu.org; Mon, 18 May 2015 17:42:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YuSo6-0008Qk-Im for qemu-devel@nongnu.org; Mon, 18 May 2015 17:42:46 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:101::1]:33737) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuSo6-0008QF-DE for qemu-devel@nongnu.org; Mon, 18 May 2015 17:42:42 -0400 Received: from 191.red-80-33-14.staticip.rima-tde.net ([80.33.14.191] helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84) (envelope-from ) id 1YuSo5-0007ql-3R; Mon, 18 May 2015 23:42:41 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.84) (envelope-from ) id 1YuSny-0002w9-93; Mon, 18 May 2015 23:42:34 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 18 May 2015 23:42:28 +0200 Message-Id: <1431985349-11226-5-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1431985349-11226-1-git-send-email-aurelien@aurel32.net> References: <1431985349-11226-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:bc8:30d7:101::1 Cc: Alexander Graf , Aurelien Jarno , Richard Henderson Subject: [Qemu-devel] [PATCH 4/5] target-s390x: implement STCKC helper X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 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 The STCKC instruction just returns the last written clock comparator value and KVM already provides the corresponding variable. Cc: Alexander Graf Cc: Richard Henderson Signed-off-by: Aurelien Jarno --- target-s390x/misc_helper.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c index fa105fa..57aee95 100644 --- a/target-s390x/misc_helper.c +++ b/target-s390x/misc_helper.c @@ -286,6 +286,8 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time) return; } + env->ckc = time; + /* difference between origins */ time -= env->tod_offset; @@ -298,8 +300,7 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time) /* Store Clock Comparator */ uint64_t HELPER(stckc)(CPUS390XState *env) { - /* XXX implement */ - return 0; + return env->ckc; } /* Set CPU Timer */