diff options
| author | Blue Swirl <blauwirbel@gmail.com> | 2010-01-24 14:28:21 +0000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2010-01-24 14:28:21 +0000 |
| commit | 452efba63bc4a2f1f580c96b087cbfae58b81785 (patch) | |
| tree | 143ae7bac671aa8ae6d1e85efb2dde858d7243a7 /hw/slavio_timer.c | |
| parent | 07b064e9de65a26a4cb36dfb37c7506ef17407fd (diff) | |
| download | focaccia-qemu-452efba63bc4a2f1f580c96b087cbfae58b81785.tar.gz focaccia-qemu-452efba63bc4a2f1f580c96b087cbfae58b81785.zip | |
Sparc32: fix free-run timer
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>
Diffstat (limited to 'hw/slavio_timer.c')
| -rw-r--r-- | hw/slavio_timer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/slavio_timer.c b/hw/slavio_timer.c index cd2cf5772b..ef36fe4c99 100644 --- a/hw/slavio_timer.c +++ b/hw/slavio_timer.c @@ -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); } } |