diff mbox series

[PULL,22/26] hw/timer: fix a9gtimer vmstate

Message ID 20220221092800.404870-23-peter.maydell@linaro.org
State New
Headers show
Series [PULL,01/26] MAINTAINERS: Adding myself as a reviewer of some components | expand

Commit Message

Peter Maydell Feb. 21, 2022, 9:27 a.m. UTC 
From: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>

A9 gtimer includes global control field and number of per-cpu fields.
But only per-cpu ones are migrated. This patch adds a subsection for
global control field migration.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Message-id: 164422345976.2186660.1104517592452494510.stgit@pasha-ThinkPad-X280
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/timer/a9gtimer.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff mbox series

Patch

diff --git a/hw/timer/a9gtimer.c b/hw/timer/a9gtimer.c
index 7233068a37f..5e959b6d09f 100644
--- a/hw/timer/a9gtimer.c
+++ b/hw/timer/a9gtimer.c
@@ -318,6 +318,12 @@  static void a9_gtimer_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static bool vmstate_a9_gtimer_control_needed(void *opaque)
+{
+    A9GTimerState *s = opaque;
+    return s->control != 0;
+}
+
 static const VMStateDescription vmstate_a9_gtimer_per_cpu = {
     .name = "arm.cortex-a9-global-timer.percpu",
     .version_id = 1,
@@ -331,6 +337,17 @@  static const VMStateDescription vmstate_a9_gtimer_per_cpu = {
     }
 };
 
+static const VMStateDescription vmstate_a9_gtimer_control = {
+    .name = "arm.cortex-a9-global-timer.control",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = vmstate_a9_gtimer_control_needed,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT32(control, A9GTimerState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static const VMStateDescription vmstate_a9_gtimer = {
     .name = "arm.cortex-a9-global-timer",
     .version_id = 1,
@@ -344,6 +361,10 @@  static const VMStateDescription vmstate_a9_gtimer = {
                                      1, vmstate_a9_gtimer_per_cpu,
                                      A9GTimerPerCPU),
         VMSTATE_END_OF_LIST()
+    },
+    .subsections = (const VMStateDescription*[]) {
+        &vmstate_a9_gtimer_control,
+        NULL
     }
 };