OpenE2K/qemu-e2k
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Remove unused timers

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3862 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-12-27 20:23:20 +00:00
parent 14e51cc7a4
commit 85e3023e2f
1 changed files with 40 additions and 27 deletions
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27
hw/slavio_timer.c
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@ -104,7 +104,11 @@ static void slavio_timer_get_out(SLAVIO_TIMERState *s)
else
limit = s->limit;
if (s->timer)
count = limit - PERIODS_TO_LIMIT(ptimer_get_count(s->timer));
else
count = 0;
DPRINTF("get_out: limit %" PRIx64 " count %x%08x\n", s->limit,
s->counthigh, s->count);
s->count = count & TIMER_COUNT_MASK32;
@ -190,16 +194,19 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr,
qemu_irq_lower(s->irq);
s->limit = TIMER_MAX_COUNT64;
DPRINTF("processor %d user timer reset\n", s->slave_index);
if (s->timer)
ptimer_set_limit(s->timer, LIMIT_TO_PERIODS(s->limit), 1);
} else {
// set limit, reset counter
qemu_irq_lower(s->irq);
s->limit = val & TIMER_MAX_COUNT32;
if (s->timer) {
if (s->limit == 0) /* free-run */
ptimer_set_limit(s->timer, LIMIT_TO_PERIODS(TIMER_MAX_COUNT32), 1);
else
ptimer_set_limit(s->timer, LIMIT_TO_PERIODS(s->limit), 1);
}
}
break;
case TIMER_COUNTER:
if (slavio_timer_is_user(s)) {
@ -207,6 +214,7 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr,
qemu_irq_lower(s->irq);
s->limit = TIMER_MAX_COUNT64;
DPRINTF("processor %d user timer reset\n", s->slave_index);
if (s->timer)
ptimer_set_limit(s->timer, LIMIT_TO_PERIODS(s->limit), 1);
} else
DPRINTF("not user timer\n");
@ -214,20 +222,24 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr,
case TIMER_COUNTER_NORST:
// set limit without resetting counter
s->limit = val & TIMER_MAX_COUNT32;
if (s->timer) {
if (s->limit == 0) /* free-run */
ptimer_set_limit(s->timer, LIMIT_TO_PERIODS(TIMER_MAX_COUNT32), 0);
else
ptimer_set_limit(s->timer, LIMIT_TO_PERIODS(s->limit), 0);
}
break;
case TIMER_STATUS:
if (slavio_timer_is_user(s)) {
// start/stop user counter
if ((val & 1) && !s->running) {
DPRINTF("processor %d user timer started\n", s->slave_index);
if (s->timer)
ptimer_run(s->timer, 0);
s->running = 1;
} else if (!(val & 1) && s->running) {
DPRINTF("processor %d user timer stopped\n", s->slave_index);
if (s->timer)
ptimer_stop(s->timer);
s->running = 0;
}
@ -280,28 +292,25 @@ static void slavio_timer_save(QEMUFile *f, void *opaque)
qemu_put_be64s(f, &s->limit);
qemu_put_be32s(f, &s->count);
qemu_put_be32s(f, &s->counthigh);
qemu_put_be32(f, 0); // Was irq
qemu_put_be32s(f, &s->reached);
qemu_put_be32s(f, &s->running);
qemu_put_be32s(f, 0); // Was mode
if (s->timer)
qemu_put_ptimer(f, s->timer);
}
static int slavio_timer_load(QEMUFile *f, void *opaque, int version_id)
{
SLAVIO_TIMERState *s = opaque;
uint32_t tmp;
if (version_id != 2)
if (version_id != 3)
return -EINVAL;
qemu_get_be64s(f, &s->limit);
qemu_get_be32s(f, &s->count);
qemu_get_be32s(f, &s->counthigh);
qemu_get_be32s(f, &tmp); // Was irq
qemu_get_be32s(f, &s->reached);
qemu_get_be32s(f, &s->running);
qemu_get_be32s(f, &tmp); // Was mode
if (s->timer)
qemu_get_ptimer(f, s->timer);
return 0;
@ -315,8 +324,10 @@ static void slavio_timer_reset(void *opaque)
s->count = 0;
s->reached = 0;
s->slave_mode = 0;
if (!s->master || s->slave_index < s->master->num_slaves) {
ptimer_set_limit(s->timer, LIMIT_TO_PERIODS(TIMER_MAX_COUNT32), 1);
ptimer_run(s->timer, 0);
}
s->running = 1;
qemu_irq_lower(s->irq);
}
@ -336,9 +347,11 @@ static SLAVIO_TIMERState *slavio_timer_init(target_phys_addr_t addr,
s->irq = irq;
s->master = master;
s->slave_index = slave_index;
if (!master || slave_index < master->num_slaves) {
bh = qemu_bh_new(slavio_timer_irq, s);
s->timer = ptimer_init(bh);
ptimer_set_period(s->timer, TIMER_PERIOD);
}
slavio_timer_io_memory = cpu_register_io_memory(0, slavio_timer_mem_read,
slavio_timer_mem_write, s);
@ -348,7 +361,7 @@ static SLAVIO_TIMERState *slavio_timer_init(target_phys_addr_t addr,
else
cpu_register_physical_memory(addr, SYS_TIMER_SIZE,
slavio_timer_io_memory);
register_savevm("slavio_timer", addr, 2, slavio_timer_save,
register_savevm("slavio_timer", addr, 3, slavio_timer_save,
slavio_timer_load, s);
qemu_register_reset(slavio_timer_reset, s);
slavio_timer_reset(s);