diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2012-02-01 20:31:37 +0100 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2012-02-17 09:58:22 -0600 |
| commit | 61b7b67df2ed10ff5ab0dcc649080bca782fdc5e (patch) | |
| tree | a51bdd4ec52cccf3f347073f9a6b1252ea45047e /hw/i8254.c | |
| parent | 7dfbfc7927c1f7ab9f6910768ed6d966645b5866 (diff) | |
| download | qemu-61b7b67df2ed10ff5ab0dcc649080bca782fdc5e.tar.gz | |
i8254: Do not raise IRQ level on reset
Avoid changing the IRQ level to high on reset as it may trigger spurious
events. Instead, open-code the effects of pit_load_count(0) in the reset
handler.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/i8254.c')
| -rw-r--r-- | hw/i8254.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/i8254.c b/hw/i8254.c index 481fc7b252..d55b22148b 100644 --- a/hw/i8254.c +++ b/hw/i8254.c @@ -481,7 +481,13 @@ static void pit_reset(DeviceState *dev) s = &pit->channels[i]; s->mode = 3; s->gate = (i != 2); - pit_load_count(s, 0); + s->count_load_time = qemu_get_clock_ns(vm_clock); + s->count = 0x10000; + if (i == 0) { + s->next_transition_time = + pit_get_next_transition_time(s, s->count_load_time); + qemu_mod_timer(s->irq_timer, s->next_transition_time); + } } } |