diff options
Diffstat (limited to 'hw/timer/mc146818rtc.c')
| -rw-r--r-- | hw/timer/mc146818rtc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index acee47da0e..e4e4de8b8a 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); |