diff options
| -rw-r--r-- | hw/misc/macio/cuda.c | 36 | ||||
| -rw-r--r-- | hw/ppc/mac.h | 1 |
2 files changed, 31 insertions, 6 deletions
diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index ea4237a..71fd97c 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -106,7 +106,6 @@ #define CUDA_COMBINED_FORMAT_IIC 0x25 #define CUDA_TIMER_FREQ (4700000 / 6) -#define CUDA_ADB_POLL_FREQ 50 /* CUDA returns time_t's offset from Jan 1, 1904, not 1970 */ #define RTC_OFFSET 2082844800 @@ -532,7 +531,7 @@ static void cuda_adb_poll(void *opaque) } timer_mod(s->adb_poll_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ)); + (get_ticks_per_sec() / (1000 / s->autopoll_rate_ms))); } /* description of commands */ @@ -560,7 +559,7 @@ static bool cuda_cmd_autopoll(CUDAState *s, if (autopoll) { timer_mod(s->adb_poll_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ)); + (get_ticks_per_sec() / (1000 / s->autopoll_rate_ms))); } else { timer_del(s->adb_poll_timer); } @@ -568,8 +567,32 @@ static bool cuda_cmd_autopoll(CUDAState *s, return true; } +static bool cuda_cmd_set_autorate(CUDAState *s, + const uint8_t *in_data, int in_len, + uint8_t *out_data, int *out_len) +{ + if (in_len != 1) { + return false; + } + + /* we don't want a period of 0 ms */ + /* FIXME: check what real hardware does */ + if (in_data[0] == 0) { + return false; + } + + s->autopoll_rate_ms = in_data[0]; + if (s->autopoll) { + timer_mod(s->adb_poll_timer, + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + + (get_ticks_per_sec() / (1000 / s->autopoll_rate_ms))); + } + return true; +} + static const CudaCommand handlers[] = { { CUDA_AUTOPOLL, "AUTOPOLL", cuda_cmd_autopoll }, + { CUDA_SET_AUTO_RATE, "SET_AUTO_RATE", cuda_cmd_set_autorate }, }; static void cuda_receive_packet(CUDAState *s, @@ -619,7 +642,6 @@ static void cuda_receive_packet(CUDAState *s, return; case CUDA_FILE_SERVER_FLAG: case CUDA_SET_DEVICE_LIST: - case CUDA_SET_AUTO_RATE: case CUDA_SET_POWER_MESSAGES: cuda_send_packet_to_host(s, obuf, 3); return; @@ -756,8 +778,8 @@ static const VMStateDescription vmstate_cuda_timer = { static const VMStateDescription vmstate_cuda = { .name = "cuda", - .version_id = 3, - .minimum_version_id = 3, + .version_id = 4, + .minimum_version_id = 4, .fields = (VMStateField[]) { VMSTATE_UINT8(a, CUDAState), VMSTATE_UINT8(b, CUDAState), @@ -775,6 +797,7 @@ static const VMStateDescription vmstate_cuda = { VMSTATE_INT32(data_in_index, CUDAState), VMSTATE_INT32(data_out_index, CUDAState), VMSTATE_UINT8(autopoll, CUDAState), + VMSTATE_UINT8(autopoll_rate_ms, CUDAState), VMSTATE_BUFFER(data_in, CUDAState), VMSTATE_BUFFER(data_out, CUDAState), VMSTATE_UINT32(tick_offset, CUDAState), @@ -828,6 +851,7 @@ static void cuda_realizefn(DeviceState *dev, Error **errp) s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET; s->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_adb_poll, s); + s->autopoll_rate_ms = 20; } static void cuda_initfn(Object *obj) diff --git a/hw/ppc/mac.h b/hw/ppc/mac.h index ecf7792..887c8c1 100644 --- a/hw/ppc/mac.h +++ b/hw/ppc/mac.h @@ -111,6 +111,7 @@ typedef struct CUDAState { int data_out_index; qemu_irq irq; + uint8_t autopoll_rate_ms; uint8_t autopoll; uint8_t data_in[128]; uint8_t data_out[16]; |