From patchwork Fri Aug 31 09:05:04 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Hao X-Patchwork-Id: 10583015 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4B763920 for ; Fri, 31 Aug 2018 01:12:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3E7BE2B74A for ; Fri, 31 Aug 2018 01:12:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 327E42B863; Fri, 31 Aug 2018 01:12:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=2.0 tests=BAYES_00,DATE_IN_FUTURE_06_12, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id BAB022B74A for ; Fri, 31 Aug 2018 01:12:00 +0000 (UTC) Received: from localhost ([::1]:51434 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fvXyi-00063q-1j for patchwork-qemu-devel@patchwork.kernel.org; Thu, 30 Aug 2018 21:12:00 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45507) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fvXv9-0003KQ-SO for qemu-devel@nongnu.org; Thu, 30 Aug 2018 21:08:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fvXf6-0004iw-Nz for qemu-devel@nongnu.org; Thu, 30 Aug 2018 20:51:47 -0400 Received: from mxhk.zte.com.cn ([63.217.80.70]:55048) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fvXf6-0004i8-CX for qemu-devel@nongnu.org; Thu, 30 Aug 2018 20:51:44 -0400 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 3F50070051F352AD1B6F; Fri, 31 Aug 2018 08:51:42 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id w7V0pXef097952; Fri, 31 Aug 2018 08:51:33 +0800 (GMT-8) (envelope-from peng.hao2@zte.com.cn) Received: from localhost.localdomain.localdomain ([10.74.120.59]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2018083108514097-6625366 ; Fri, 31 Aug 2018 08:51:40 +0800 From: Peng Hao To: pbonzini@redhat.com, rkrcmar@redhat.com, mst@redhat.com, ehabkost@redhat.com Date: Fri, 31 Aug 2018 17:05:04 +0800 Message-Id: <1535706305-118115-4-git-send-email-peng.hao2@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1535706305-118115-1-git-send-email-peng.hao2@zte.com.cn> References: <1535706305-118115-1-git-send-email-peng.hao2@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2018-08-31 08:51:41, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2018-08-31 08:51:18, Serialize complete at 2018-08-31 08:51:18 X-MAIL: mse01.zte.com.cn w7V0pXef097952 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 63.217.80.70 Subject: [Qemu-devel] [PATCH V5 3/4] target-i386: add rtc 0x70 port as coalesced_pio 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: Peng Hao , qemu-devel@nongnu.org, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Peng Hao --- hw/timer/mc146818rtc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index 6f1f723..b19ef51 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -70,6 +70,7 @@ typedef struct RTCState { ISADevice parent_obj; MemoryRegion io; + MemoryRegion coalesced_io; uint8_t cmos_data[128]; uint8_t cmos_index; int32_t base_year; @@ -990,6 +991,13 @@ static void rtc_realizefn(DeviceState *dev, Error **errp) memory_region_init_io(&s->io, OBJECT(s), &cmos_ops, s, "rtc", 2); isa_register_ioport(isadev, &s->io, base); + /* register rtc 0x70 port as coalesced_pio */ + memory_region_set_flush_coalesced(&s->io); + memory_region_init_io(&s->coalesced_io, OBJECT(s), &cmos_ops, + s, "rtc1", 1); + isa_register_ioport(isadev, &s->coalesced_io, base); + memory_region_add_coalescing(&s->coalesced_io, 0, 1); + qdev_set_legacy_instance_id(dev, base, 3); qemu_register_reset(rtc_reset, s);