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-rw-r--r--hw/rtc/mc146818rtc.c5
-rw-r--r--include/hw/rtc/mc146818rtc.h1
2 files changed, 3 insertions, 3 deletions
diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c
index dc4269c..d18c099 100644
--- a/hw/rtc/mc146818rtc.c
+++ b/hw/rtc/mc146818rtc.c
@@ -908,7 +908,6 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *isadev = ISA_DEVICE(dev);
RTCState *s = MC146818_RTC(dev);
- int base = 0x70;
s->cmos_data[RTC_REG_A] = 0x26;
s->cmos_data[RTC_REG_B] = 0x02;
@@ -951,7 +950,7 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
qemu_register_suspend_notifier(&s->suspend_notifier);
memory_region_init_io(&s->io, OBJECT(s), &cmos_ops, s, "rtc", 2);
- isa_register_ioport(isadev, &s->io, base);
+ isa_register_ioport(isadev, &s->io, RTC_ISA_BASE);
/* register rtc 0x70 port for coalesced_pio */
memory_region_set_flush_coalesced(&s->io);
@@ -960,7 +959,7 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
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);
+ qdev_set_legacy_instance_id(dev, RTC_ISA_BASE, 3);
qemu_register_reset(rtc_reset, s);
object_property_add_tm(OBJECT(s), "date", rtc_get_date, NULL);
diff --git a/include/hw/rtc/mc146818rtc.h b/include/hw/rtc/mc146818rtc.h
index 10c93a0..3713181 100644
--- a/include/hw/rtc/mc146818rtc.h
+++ b/include/hw/rtc/mc146818rtc.h
@@ -47,6 +47,7 @@ typedef struct RTCState {
} RTCState;
#define RTC_ISA_IRQ 8
+#define RTC_ISA_BASE 0x70
ISADevice *mc146818_rtc_init(ISABus *bus, int base_year,
qemu_irq intercept_irq);