void control_channel_send(struct endpoint_handle *ep, uint8_t *data, uint32_t size) {
unsigned int words = (size+3)>>2;
unsigned int wordsperpacket = optimsoc_noc_maxpacketsize()-4;
for (int i=0;i<words;i=i+wordsperpacket) {
ctrl_request.buffer[0] = (ep->domain << OPTIMSOC_DEST_LSB) |
(1 << OPTIMSOC_CLASS_LSB) |
(optimsoc_get_tileid() << OPTIMSOC_SRC_LSB) |
(CTRL_REQUEST_CHAN_DATA << CTRL_REQUEST_LSB);
ctrl_request.buffer[1] = (unsigned int) ep->ep;
ctrl_request.buffer[2] = i;
if (((i+wordsperpacket) >= words)) {
ctrl_request.buffer[3] = size - i * wordsperpacket;
} else {
ctrl_request.buffer[3] = 0;
}
int sz = words - i;
if (sz>wordsperpacket)
sz = wordsperpacket;
for (int d=0;d<sz;d++) {
ctrl_request.buffer[4+d] = ((unsigned int *)data)[i+d];
}
optimsoc_mp_simple_send(4+sz,ctrl_request.buffer);
}
}
void control_msg_data(struct endpoint_handle *ep, uint32_t address, void* buffer,
uint32_t size) {
// TODO: what if size%4!=0?
assert(size % 4 == 0);
trace_msg_data_begin(ep, address, size);
unsigned int words = (size+3)>>2;
unsigned int wordsperpacket = optimsoc_noc_maxpacketsize()-4;
for (int i=0;i<words;i=i+wordsperpacket) {
ctrl_request.buffer[0] = (ep->domain << OPTIMSOC_DEST_LSB) |
(1 << OPTIMSOC_CLASS_LSB) |
(optimsoc_get_tileid() << OPTIMSOC_SRC_LSB) |
(CTRL_REQUEST_MSG_DATA << CTRL_REQUEST_LSB);
ctrl_request.buffer[1] = (unsigned int) ep->ep;
ctrl_request.buffer[2] = (uint32_t) address;
ctrl_request.buffer[3] = i;
int sz = words - i;
if (sz>wordsperpacket)
sz = wordsperpacket;
for (int d=0;d<sz;d++) {
ctrl_request.buffer[2+d] = ((unsigned int *)buffer)[i+d];
}
trace_msg_data_send(ep, ctrl_request.buffer[2], sz);
optimsoc_mp_simple_send(2+sz,ctrl_request.buffer);
}
ctrl_request.buffer[0] = (ep->domain << OPTIMSOC_DEST_LSB) |
(1 << OPTIMSOC_CLASS_LSB) |
(optimsoc_get_tileid() << OPTIMSOC_SRC_LSB) |
(CTRL_REQUEST_MSG_COMPLETE << CTRL_REQUEST_LSB);
ctrl_request.buffer[1] = (unsigned int) ep->ep;
ctrl_request.buffer[2] = (uint32_t) address;
ctrl_request.buffer[3] = size;
trace_msg_complete_send(ep, address, size);
optimsoc_mp_simple_send(4, ctrl_request.buffer);
trace_msg_data_end(ep);
}
