From patchwork Wed Oct 17 16:52:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Hao X-Patchwork-Id: 10645033 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 7DDE1112B for ; Wed, 17 Oct 2018 08:41:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 69B572AB0D for ; Wed, 17 Oct 2018 08:41:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 67B9B2ABA1; Wed, 17 Oct 2018 08:41:47 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DEDFC2AB9C for ; Wed, 17 Oct 2018 08:41:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727054AbeJQQgX (ORCPT ); Wed, 17 Oct 2018 12:36:23 -0400 Received: from out1.zte.com.cn ([202.103.147.172]:47328 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727005AbeJQQgX (ORCPT ); Wed, 17 Oct 2018 12:36:23 -0400 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 0CABFBCB43BEFAB0C843; Wed, 17 Oct 2018 16:41:42 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id w9H8fWCv054017; Wed, 17 Oct 2018 16:41:32 +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 2018101716415468-5075411 ; Wed, 17 Oct 2018 16:41:54 +0800 From: Peng Hao To: pbonzini@redhat.com, rkrcmar@redhat.com, mst@redhat.com, ehabkost@redhat.com Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Peng Hao Subject: [PATCH V6 3/5] target-i386: add rtc 0x70 port as coalesced_pio Date: Thu, 18 Oct 2018 00:52:55 +0800 Message-Id: <1539795177-21038-4-git-send-email-peng.hao2@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1539795177-21038-1-git-send-email-peng.hao2@zte.com.cn> References: <1539795177-21038-1-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 2018-10-17 16:41:54, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2018-10-17 16:41:24, Serialize complete at 2018-10-17 16:41:24 X-MAIL: mse01.zte.com.cn w9H8fWCv054017 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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 acee47d..808a212 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);