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target-i386: add rtc 0x70 port as coalesced_pio 

Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Message-Id: <1539890353-30273-1-git-send-email-peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peng Hao 2018-10-19 03:19:13 +08:00 committed by Paolo Bonzini
parent e6d34aeea6
commit f98167ea06
1 changed files with 9 additions and 0 deletions
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9
hw/timer/mc146818rtc.c
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@ -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);