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mc145818rtc: fix saving of rtc-td hack properly upgrading the version number 

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-09-09 22:17:30 +02:00 committed by Anthony Liguori
parent 817afc614c
commit 048c74c437
1 changed files with 13 additions and 34 deletions
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43
hw/mc146818rtc.c
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@ -76,11 +76,9 @@ struct RTCState {
int64_t next_periodic_time;
/* second update */
int64_t next_second_time;
#ifdef TARGET_I386
uint32_t irq_coalesced;
uint32_t period;
QEMUTimer *coalesced_timer;
#endif
QEMUTimer *second_timer;
QEMUTimer *second_timer2;
};
@ -524,13 +522,15 @@ static void rtc_save(QEMUFile *f, void *opaque)
qemu_put_be64(f, s->next_second_time);
qemu_put_timer(f, s->second_timer);
qemu_put_timer(f, s->second_timer2);
qemu_put_be32(f, s->irq_coalesced);
qemu_put_be32(f, s->period);
}
static int rtc_load(QEMUFile *f, void *opaque, int version_id)
{
RTCState *s = opaque;
if (version_id != 1)
if (version_id < 1 || version_id > 2)
return -EINVAL;
qemu_get_buffer(f, s->cmos_data, 128);
@ -550,31 +550,18 @@ static int rtc_load(QEMUFile *f, void *opaque, int version_id)
s->next_second_time=qemu_get_be64(f);
qemu_get_timer(f, s->second_timer);
qemu_get_timer(f, s->second_timer2);
return 0;
}
#ifdef TARGET_I386
static void rtc_save_td(QEMUFile *f, void *opaque)
{
RTCState *s = opaque;
qemu_put_be32(f, s->irq_coalesced);
qemu_put_be32(f, s->period);
}
static int rtc_load_td(QEMUFile *f, void *opaque, int version_id)
{
RTCState *s = opaque;
if (version_id != 1)
return -EINVAL;
if (version_id >= 2) {
s->irq_coalesced = qemu_get_be32(f);
s->period = qemu_get_be32(f);
#ifdef TARGET_I386
if (rtc_td_hack) {
rtc_coalesced_timer_update(s);
}
#endif
}
return 0;
}
#endif
static void rtc_reset(void *opaque)
{
@ -622,11 +609,7 @@ static int rtc_initfn(ISADevice *dev)
register_ioport_write(base, 2, 1, cmos_ioport_write, s);
register_ioport_read(base, 2, 1, cmos_ioport_read, s);
register_savevm("mc146818rtc", base, 1, rtc_save, rtc_load, s);
#ifdef TARGET_I386
if (rtc_td_hack)
register_savevm("mc146818rtc-td", base, 1, rtc_save_td, rtc_load_td, s);
#endif
register_savevm("mc146818rtc", base, 2, rtc_save, rtc_load, s);
qemu_register_reset(rtc_reset, s);
return 0;
}
@ -758,11 +741,7 @@ RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq,
io_memory = cpu_register_io_memory(rtc_mm_read, rtc_mm_write, s);
cpu_register_physical_memory(base, 2 << it_shift, io_memory);
register_savevm("mc146818rtc", base, 1, rtc_save, rtc_load, s);
#ifdef TARGET_I386
if (rtc_td_hack)
register_savevm("mc146818rtc-td", base, 1, rtc_save_td, rtc_load_td, s);
#endif
register_savevm("mc146818rtc", base, 2, rtc_save, rtc_load, s);
qemu_register_reset(rtc_reset, s);
return s;
}