From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43534) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ftPpi-00016m-JX for qemu-devel@nongnu.org; Sat, 25 Aug 2018 00:05:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ftPpf-0007nr-CX for qemu-devel@nongnu.org; Sat, 25 Aug 2018 00:05:54 -0400 Received: from out1.zte.com.cn ([202.103.147.172]:38190 helo=mxct.zte.com.cn) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ftPpe-0007l4-T4 for qemu-devel@nongnu.org; Sat, 25 Aug 2018 00:05:51 -0400 From: Peng Hao Date: Sat, 25 Aug 2018 20:19:49 +0800 Message-Id: <1535199590-68475-4-git-send-email-peng.hao2@zte.com.cn> In-Reply-To: <1535199590-68475-1-git-send-email-peng.hao2@zte.com.cn> References: <1535199590-68475-1-git-send-email-peng.hao2@zte.com.cn> Subject: [Qemu-devel] [PATCH V4 3/4] target-i386: add rtc 0x70 port as coalesced_pio List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pbonzini@redhat.com, mst@redhat.com, ehabkost@redhat.com, rkrcmar@redhat.com Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, zhong.weidong@zte.com.cn, Peng Hao 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 for 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); -- 1.8.3.1