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ib700: move timer to IB700State

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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 2009-10-15 00:54:28 +02:00 committed by Anthony Liguori
parent f309270bee
commit e8f27c728c
1 changed files with 16 additions and 7 deletions
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23
hw/wdt_ib700.c
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@ -37,17 +37,18 @@
typedef struct IB700state {
ISADevice dev;
QEMUTimer *timer;
} IB700State;
/* This is the timer. We use a global here because the watchdog
* code ensures there is only one watchdog (it is located at a fixed,
* unchangable IO port, so there could only ever be one anyway).
*/
static QEMUTimer *timer = NULL;
/* A write to this register enables the timer. */
static void ib700_write_enable_reg(void *vp, uint32_t addr, uint32_t data)
{
IB700State *s = vp;
static int time_map[] = {
30, 28, 26, 24, 22, 20, 18, 16,
14, 12, 10, 8, 6, 4, 2, 0
@ -57,37 +58,45 @@ static void ib700_write_enable_reg(void *vp, uint32_t addr, uint32_t data)
ib700_debug("addr = %x, data = %x\n", addr, data);
timeout = (int64_t) time_map[data & 0xF] * get_ticks_per_sec();
qemu_mod_timer(timer, qemu_get_clock (vm_clock) + timeout);
qemu_mod_timer(s->timer, qemu_get_clock (vm_clock) + timeout);
}
/* A write (of any value) to this register disables the timer. */
static void ib700_write_disable_reg(void *vp, uint32_t addr, uint32_t data)
{
IB700State *s = vp;
ib700_debug("addr = %x, data = %x\n", addr, data);
qemu_del_timer(timer);
qemu_del_timer(s->timer);
}
/* This is called when the watchdog expires. */
static void ib700_timer_expired(void *vp)
{
IB700State *s = vp;
ib700_debug("watchdog expired\n");
watchdog_perform_action();
qemu_del_timer(timer);
qemu_del_timer(s->timer);
}
static void ib700_save(QEMUFile *f, void *vp)
{
qemu_put_timer(f, timer);
IB700State *s = vp;
qemu_put_timer(f, s->timer);
}
static int ib700_load(QEMUFile *f, void *vp, int version)
{
IB700State *s = vp;
if (version != 0)
return -EINVAL;
qemu_get_timer(f, timer);
qemu_get_timer(f, s->timer);
return 0;
}
@ -96,7 +105,7 @@ static int wdt_ib700_init(ISADevice *dev)
{
IB700State *s = DO_UPCAST(IB700State, dev, dev);
timer = qemu_new_timer(vm_clock, ib700_timer_expired, s);
s->timer = qemu_new_timer(vm_clock, ib700_timer_expired, s);
register_savevm("ib700_wdt", -1, 0, ib700_save, ib700_load, s);
register_ioport_write(0x441, 2, 1, ib700_write_disable_reg, s);
register_ioport_write(0x443, 2, 1, ib700_write_enable_reg, s);