diff options
| -rw-r--r-- | hw/misc/macio/cuda.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index 316c1ac..8659dc3 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -535,13 +535,47 @@ static void cuda_adb_poll(void *opaque) (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ)); } +/* description of commands */ +typedef struct CudaCommand { + uint8_t command; + const char *name; + bool (*handler)(CUDAState *s, + const uint8_t *in_args, int in_len, + uint8_t *out_args, int *out_len); +} CudaCommand; + +static const CudaCommand handlers[] = { +}; + static void cuda_receive_packet(CUDAState *s, const uint8_t *data, int len) { uint8_t obuf[16] = { CUDA_PACKET, 0, data[0] }; int autopoll; + int i, out_len = 0; uint32_t ti; + for (i = 0; i < ARRAY_SIZE(handlers); i++) { + const CudaCommand *desc = &handlers[i]; + if (desc->command == data[0]) { + CUDA_DPRINTF("handling command %s\n", desc->name); + out_len = 0; + if (desc->handler(s, data + 1, len - 1, obuf + 3, &out_len)) { + cuda_send_packet_to_host(s, obuf, 3 + out_len); + } else { + qemu_log_mask(LOG_GUEST_ERROR, + "CUDA: %s: wrong parameters %d\n", + desc->name, len); + obuf[0] = ERROR_PACKET; + obuf[1] = 0x5; /* bad parameters */ + obuf[2] = CUDA_PACKET; + obuf[3] = data[0]; + cuda_send_packet_to_host(s, obuf, 4); + } + return; + } + } + switch(data[0]) { case CUDA_AUTOPOLL: autopoll = (data[1] != 0); |