The CUDA model assumes a 20 microsecond delay before each shift register interrupt. OpenBSD times out during device discovery with that timing, so retain the existing default but allow an override.
Signed-off-by: Kirill A. Korinsky <[email protected]> --- hw/misc/macio/cuda.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index ccb3e1d74b..a62fdf23b9 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -535,7 +535,6 @@ static void cuda_realize(DeviceState *dev, Error **errp) s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET; s->sr_delay_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_set_sr_int, s); - s->sr_delay_ns = 20 * SCALE_US; adb_register_autopoll_callback(adb_bus, cuda_adb_poll, s); } @@ -557,6 +556,8 @@ static void cuda_init(Object *obj) static const Property cuda_properties[] = { DEFINE_PROP_UINT64("timebase-frequency", CUDAState, tb_frequency, 0), + DEFINE_PROP_UINT64("sr-delay-ns", CUDAState, sr_delay_ns, + 20 * SCALE_US), }; static void cuda_class_init(ObjectClass *oc, const void *data) -- 2.55.0
