@@ -82,6 +82,7 @@ typedef struct RTCState {
Notifier clock_reset_notifier;
LostTickPolicy lost_tick_policy;
Notifier suspend_notifier;
+ Notifier cpu_added_notifier;
} RTCState;
static void rtc_set_time(RTCState *s);
@@ -759,6 +760,14 @@ static void rtc_notify_suspend(Notifier *notifier, void *data)
rtc_set_memory(&s->dev, 0xF, 0xFE);
}
+static void rtc_notify_cpu_added(Notifier *notifier, void *data)
+{
+ RTCState *s = container_of(notifier, RTCState, cpu_added_notifier);
+
+ /* increment the number of CPUs */
+ s->cmos_data[0x5f] += 1;
+}
+
static void rtc_reset(void *opaque)
{
RTCState *s = opaque;
@@ -852,6 +861,9 @@ static int rtc_initfn(ISADevice *dev)
s->suspend_notifier.notify = rtc_notify_suspend;
qemu_register_suspend_notifier(&s->suspend_notifier);
+ s->cpu_added_notifier.notify = rtc_notify_cpu_added;
+ qemu_register_cpu_added_notifier(&s->cpu_added_notifier);
+
memory_region_init_io(&s->io, &cmos_ops, s, "rtc", 2);
isa_register_ioport(dev, &s->io, base);
... so that on reboot BIOS could read current available CPU count Signed-off-by: Igor Mammedov <imammedo@redhat.com> v2: * s/qemu_register_cpu_add_notifier()/qemu_register_cpu_added_notifier()/ --- hw/mc146818rtc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)