VM clock does not run while saving, so there is no need for saving the ticks
in HPET. Also added saving of hpet_offset field.
Signed-off-by: Pavel Dovgalyuk <pavel.dovga...@ispras.ru>
---
hw/timer/hpet.c | 13 +------------
1 files changed, 1 insertions(+), 12 deletions(-)
diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
index e160e8f..73401b9 100644
--- a/hw/timer/hpet.c
+++ b/hw/timer/hpet.c
@@ -222,14 +222,6 @@ static void update_irq(struct HPETTimer *timer, int set)
}
}
-static void hpet_pre_save(void *opaque)
-{
- HPETState *s = opaque;
-
- /* save current counter value */
- s->hpet_counter = hpet_get_ticks(s);
-}
-
static int hpet_pre_load(void *opaque)
{
HPETState *s = opaque;
@@ -255,9 +247,6 @@ static int hpet_post_load(void *opaque, int version_id)
{
HPETState *s = opaque;
- /* Recalculate the offset between the main counter and guest time */
- s->hpet_offset = ticks_to_ns(s->hpet_counter) -
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-
/* Push number of timers into capability returned via HPET_ID */
s->capability &= ~HPET_ID_NUM_TIM_MASK;
s->capability |= (s->num_timers - 1) << HPET_ID_NUM_TIM_SHIFT;
@@ -308,13 +297,13 @@ static const VMStateDescription vmstate_hpet = {
.name = "hpet",
.version_id = 2,
.minimum_version_id = 1,
- .pre_save = hpet_pre_save,
.pre_load = hpet_pre_load,
.post_load = hpet_post_load,
.fields = (VMStateField[]) {
VMSTATE_UINT64(config, HPETState),
VMSTATE_UINT64(isr, HPETState),
VMSTATE_UINT64(hpet_counter, HPETState),
+ VMSTATE_UINT64(hpet_offset, HPETState),
VMSTATE_UINT8_V(num_timers, HPETState, 2),
VMSTATE_VALIDATE("num_timers in range", hpet_validate_num_timers),
VMSTATE_STRUCT_VARRAY_UINT8(timer, HPETState, num_timers, 0,
