From patchwork Fri May 20 07:13:20 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulrich Obergfell X-Patchwork-Id: 96549 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 3E31DB71D1 for ; Fri, 20 May 2011 17:14:44 +1000 (EST) Received: from localhost ([::1]:57345 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QNJuz-0004NP-HC for incoming@patchwork.ozlabs.org; Fri, 20 May 2011 03:14:41 -0400 Received: from eggs.gnu.org ([140.186.70.92]:59012) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QNJtW-0001mv-8e for qemu-devel@nongnu.org; Fri, 20 May 2011 03:13:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QNJtV-0005QR-Gl for qemu-devel@nongnu.org; Fri, 20 May 2011 03:13:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33327) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QNJtV-0005QJ-9c for qemu-devel@nongnu.org; Fri, 20 May 2011 03:13:09 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p4K7D800024288 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 20 May 2011 03:13:08 -0400 Received: from localhost.localdomain (vpn1-7-144.ams2.redhat.com [10.36.7.144]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p4K7Cxq3003713; Fri, 20 May 2011 03:13:06 -0400 From: Ulrich Obergfell To: qemu-devel@nongnu.org Date: Fri, 20 May 2011 09:13:20 +0200 Message-Id: <1305875603-3104-3-git-send-email-uobergfe@redhat.com> In-Reply-To: <1305875603-3104-1-git-send-email-uobergfe@redhat.com> References: <1305875603-3104-1-git-send-email-uobergfe@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: aliguori@us.ibm.com, mtosatti@redhat.com, kvm@vger.kernel.org, jan.kiszka@siemens.com, zamsden@redhat.com, uobergfe@redhat.com, gcosta@redhat.com, avi@redhat.com Subject: [Qemu-devel] [PATCH v5 2/5] hpet 'driftfix': add driftfix property to HPETState and DeviceInfo 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 driftfix is a 'bit type' property. Compensation of delayed callbacks and coalesced interrupts can be enabled with the command line option -global hpet.driftfix=on driftfix is 'off' (disabled) by default. Signed-off-by: Ulrich Obergfell --- hw/hpet.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/hw/hpet.c b/hw/hpet.c index 6ce07bc..7513065 100644 --- a/hw/hpet.c +++ b/hw/hpet.c @@ -72,6 +72,8 @@ typedef struct HPETState { uint64_t isr; /* interrupt status reg */ uint64_t hpet_counter; /* main counter */ uint8_t hpet_id; /* instance id */ + + uint32_t driftfix; } HPETState; static uint32_t hpet_in_legacy_mode(HPETState *s) @@ -738,6 +740,7 @@ static SysBusDeviceInfo hpet_device_info = { .qdev.props = (Property[]) { DEFINE_PROP_UINT8("timers", HPETState, num_timers, HPET_MIN_TIMERS), DEFINE_PROP_BIT("msi", HPETState, flags, HPET_MSI_SUPPORT, false), + DEFINE_PROP_BIT("driftfix", HPETState, driftfix, 0, false), DEFINE_PROP_END_OF_LIST(), }, };