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author | Hervé Poussineau <hpoussin@reactos.org> | 2016-02-07 21:34:04 +0100 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:45:29 -0600 |
commit | 914ad375f9e1c1cb6892ab999dde297695ab71cd (patch) | |
tree | 5cfb05d5e4530c2b68467a409848857f9f74a0dd /hw/misc | |
parent | 080976e63c9db0122755eacae788597a190c714f (diff) | |
download | hqemu-914ad375f9e1c1cb6892ab999dde297695ab71cd.zip hqemu-914ad375f9e1c1cb6892ab999dde297695ab71cd.tar.gz |
cuda: add a framework to handle commands
Next commits will port existing CUDA commands to this framework.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/misc')
-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); |