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Sparc32: fix free-run timer

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According to Sun4M System Architecture Manual chapter 5.3.2, a limit
of 0 will not generate interrupts.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-01-24 14:28:21 +00:00
parent 07b064e9de
commit 452efba63b
1 changed files with 2 additions and 1 deletions
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3
hw/slavio_timer.c
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@ -128,7 +128,8 @@ static void slavio_timer_irq(void *opaque)
slavio_timer_get_out(t);
DPRINTF("callback: count %x%08x\n", t->counthigh, t->count);
t->reached = TIMER_REACHED;
if (!slavio_timer_is_user(tc)) {
/* there is no interrupt if user timer or free-run */
if (!slavio_timer_is_user(tc) && t->limit != 0) {
qemu_irq_raise(t->irq);
}
}