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[Qemu-devel] [PULL 09/48] target-i386: add rtc 0x70 port as coalesced_pi
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 09/48] target-i386: add rtc 0x70 port as coalesced_pio |
Date: |
Thu, 18 Oct 2018 22:31:36 +0200 |
From: Peng Hao <address@hidden>
Signed-off-by: Peng Hao <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
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
- [Qemu-devel] [PULL 00/48] Miscellaneous patches for 2018-10-18, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 05/48] qemu-timer: optimize record/replay checkpointing for all clocks, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 02/48] Revert some patches from recent [PATCH v6] "Fixing record/replay and adding reverse debugging", Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 04/48] qemu-timer: avoid checkpoints for virtual clock timers in external subsystems, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 03/48] qemu-timer: introduce timer attributes, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 09/48] target-i386: add rtc 0x70 port as coalesced_pio,
Paolo Bonzini <=
- [Qemu-devel] [PULL 01/48] es1370: more fixes for ADC_FRAMEADR and ADC_FRAMECNT, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 06/48] target-i386: kvm: do not initialize padding fields, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 12/48] replay: don't process events at virtual clock checkpoint, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 07/48] linux-headers: update to 4.20-rc1, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 08/48] target-i386 : add coalesced_pio API, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 11/48] target-i386: add q35 0xcf8 port as coalesced_pio, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 13/48] i386/kvm: add support for Hyper-V IPI send, Paolo Bonzini, 2018/10/18
- [Qemu-devel] [PULL 16/48] vl: improve/fix documentation related to RTC function, Paolo Bonzini, 2018/10/18