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vmstate: port hpet device

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-09-10 03:04:45 +02:00 committed by Anthony Liguori
parent 67f0875ebc
commit e6cb4d4589
1 changed files with 38 additions and 35 deletions
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73
hw/hpet.c
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@ -157,53 +157,56 @@ static void update_irq(struct HPETTimer *timer)
}
}
static void hpet_save(QEMUFile *f, void *opaque)
static void hpet_pre_save(const void *opaque)
{
HPETState *s = opaque;
int i;
qemu_put_be64s(f, &s->config);
qemu_put_be64s(f, &s->isr);
HPETState *s = (void *)opaque;
/* save current counter value */
s->hpet_counter = hpet_get_ticks();
qemu_put_be64s(f, &s->hpet_counter);
for (i = 0; i < HPET_NUM_TIMERS; i++) {
qemu_put_8s(f, &s->timer[i].tn);
qemu_put_be64s(f, &s->timer[i].config);
qemu_put_be64s(f, &s->timer[i].cmp);
qemu_put_be64s(f, &s->timer[i].fsb);
qemu_put_be64s(f, &s->timer[i].period);
qemu_put_8s(f, &s->timer[i].wrap_flag);
qemu_put_timer(f, s->timer[i].qemu_timer);
}
}
static int hpet_load(QEMUFile *f, void *opaque, int version_id)
static int hpet_post_load(void *opaque)
{
HPETState *s = opaque;
int i;
if (version_id != 1)
return -EINVAL;
qemu_get_be64s(f, &s->config);
qemu_get_be64s(f, &s->isr);
qemu_get_be64s(f, &s->hpet_counter);
/* Recalculate the offset between the main counter and guest time */
s->hpet_offset = ticks_to_ns(s->hpet_counter) - qemu_get_clock(vm_clock);
for (i = 0; i < HPET_NUM_TIMERS; i++) {
qemu_get_8s(f, &s->timer[i].tn);
qemu_get_be64s(f, &s->timer[i].config);
qemu_get_be64s(f, &s->timer[i].cmp);
qemu_get_be64s(f, &s->timer[i].fsb);
qemu_get_be64s(f, &s->timer[i].period);
qemu_get_8s(f, &s->timer[i].wrap_flag);
qemu_get_timer(f, s->timer[i].qemu_timer);
}
return 0;
}
static const VMStateDescription vmstate_hpet_timer = {
.name = "hpet_timer",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = (VMStateField []) {
VMSTATE_UINT8(tn, HPETTimer),
VMSTATE_UINT64(config, HPETTimer),
VMSTATE_UINT64(cmp, HPETTimer),
VMSTATE_UINT64(fsb, HPETTimer),
VMSTATE_UINT64(period, HPETTimer),
VMSTATE_UINT8(wrap_flag, HPETTimer),
VMSTATE_TIMER(qemu_timer, HPETTimer),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_hpet = {
.name = "hpet",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.pre_save = hpet_pre_save,
.post_load = hpet_post_load,
.fields = (VMStateField []) {
VMSTATE_UINT64(config, HPETState),
VMSTATE_UINT64(isr, HPETState),
VMSTATE_UINT64(hpet_counter, HPETState),
VMSTATE_STRUCT_ARRAY(timer, HPETState, HPET_NUM_TIMERS, 0,
vmstate_hpet_timer, HPETTimer),
VMSTATE_END_OF_LIST()
}
};
/*
* timer expiration callback
*/
@ -575,7 +578,7 @@ void hpet_init(qemu_irq *irq) {
timer->qemu_timer = qemu_new_timer(vm_clock, hpet_timer, timer);
}
hpet_reset(s);
register_savevm("hpet", -1, 1, hpet_save, hpet_load, s);
vmstate_register(-1, &vmstate_hpet, s);
qemu_register_reset(hpet_reset, s);
/* HPET Area */
iomemtype = cpu_register_io_memory(hpet_ram_read,