Add a link to rtc under /machine providing a stable
location for management apps to query "date" field.
{"execute":"qom-get","arguments":{"path":"/machine/rtc","property":"date"} }
Suggested by Paolo Bonzini.
Signed-off-by: Marcelo Tosatti <[email protected]>
---
hw/timer/mc146818rtc.c | 9 +++++++++
1 file changed, 9 insertions(+)
Index: qemu/hw/timer/mc146818rtc.c
===================================================================
--- qemu.orig/hw/timer/mc146818rtc.c 2014-06-02 23:14:11.707436729 -0300
+++ qemu/hw/timer/mc146818rtc.c 2014-06-02 23:14:15.453424684 -0300
@@ -911,6 +911,9 @@
object_property_add(OBJECT(s), "date", "struct tm",
rtc_get_date, NULL, NULL, s, NULL);
+
+ object_property_add_alias(qdev_get_machine(), "rtc", OBJECT(s),
+ &error_abort);
}
ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq)
@@ -954,11 +957,17 @@
dc->cannot_instantiate_with_device_add_yet = true;
}
+static void rtc_finalize(Object *obj)
+{
+ object_property_del(qdev_get_machine(), "rtc", NULL);
+}
+
static const TypeInfo mc146818rtc_info = {
.name = TYPE_MC146818_RTC,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(RTCState),
.class_init = rtc_class_initfn,
+ .instance_finalize = rtc_finalize,
};
static void mc146818rtc_register_types(void)
