From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48014) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDEyF-0007H4-D8 for qemu-devel@nongnu.org; Thu, 18 Oct 2018 16:32:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDEy9-0006E7-Gp for qemu-devel@nongnu.org; Thu, 18 Oct 2018 16:32:37 -0400 Received: from mail-wr1-x42e.google.com ([2a00:1450:4864:20::42e]:33367) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gDEy8-00069r-OY for qemu-devel@nongnu.org; Thu, 18 Oct 2018 16:32:33 -0400 Received: by mail-wr1-x42e.google.com with SMTP id e4-v6so35109887wrs.0 for ; Thu, 18 Oct 2018 13:32:28 -0700 (PDT) Sender: Paolo Bonzini From: Paolo Bonzini Date: Thu, 18 Oct 2018 22:31:36 +0200 Message-Id: <1539894735-14232-10-git-send-email-pbonzini@redhat.com> In-Reply-To: <1539894735-14232-1-git-send-email-pbonzini@redhat.com> References: <1539894735-14232-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 09/48] target-i386: add rtc 0x70 port as coalesced_pio List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peng Hao From: Peng Hao Signed-off-by: Peng Hao Message-Id: <1539890353-30273-1-git-send-email-peng.hao2@zte.com.cn> Signed-off-by: Paolo Bonzini --- hw/timer/mc146818rtc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index acee47d..e4e4de8 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -34,6 +34,7 @@ #include "qapi/qapi-commands-misc.h" #include "qapi/qapi-events-misc.h" #include "qapi/visitor.h" +#include "exec/address-spaces.h" #ifdef TARGET_I386 #include "hw/i386/apic.h" @@ -70,6 +71,7 @@ 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 +992,13 @@ 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, "rtc-index", 1); + memory_region_add_subregion(&s->io, 0, &s->coalesced_io); + 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