hw/core/clock-vmstate: define a vmstate entry for clock state

Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20200406135251.157596-3-damien.hedde@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/core/clock-vmstate.c

@@ -0,0 +1,25 @@
+/*
+ * Clock migration structure
+ *
+ * Copyright GreenSocs 2019-2020
+ *
+ * Authors:
+ *  Damien Hedde
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "migration/vmstate.h"
+#include "hw/clock.h"
+
+const VMStateDescription vmstate_clock = {
+    .name = "clock",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(period, Clock),
+        VMSTATE_END_OF_LIST()
+    }
+};