void _write_char(t_console_desc *console_desc,char data)
{
unsigned int to_end_line;
unsigned int i;
SPINLOCK_LOCK(console_desc->spinlock);
if (data=='\n')
{
to_end_line=SCREEN_WIDTH -1 - (console_desc->out_buf_index % SCREEN_WIDTH);
for (i=0;i<to_end_line;i++) write_out_buf(console_desc,'\0');
}
else write_out_buf(console_desc,data);
SPINLOCK_UNLOCK(console_desc->spinlock);
}
void _write_char_no_irq(t_console_desc *console_desc,char data)
{
unsigned int to_end_line;
unsigned int i;
SAVE_IF_STATUS
CLI
if (data=='\n')
{
to_end_line=SCREEN_WIDTH -1 - (console_desc->out_buf_index % SCREEN_WIDTH);
for (i=0;i<to_end_line;i++) write_out_buf(console_desc,'\0');
}
else write_out_buf(console_desc,data);
RESTORE_IF_STATUS
}
static void edge_push(struct Simulator *sim, struct Edge *e, int val) {
//printf("Pushing value %d to edge %d\r\n", val, e->id);
if (e->output->type == 'O') {
write_out_buf(sim, val);
} else {
if ((e->fifo_t + 1) % EDGE_FIFO_SIZE == e->fifo_h) {
error("edge FIFO is full!");
}
e->fifo[e->fifo_t] = val;
e->fifo_t = (e->fifo_t + 1) % EDGE_FIFO_SIZE;
}
}
void TrafficManager::_Step( )
{
Flit *f;
Credit *cred;
// Inject traffic
if ( _voqing ) {
_VOQInject( );
} else {
_ClassInject( );
}
// Advance network
_net->ReadInputs( );
_partial_internal_cycles += _internal_speedup;
while ( _partial_internal_cycles >= 1.0 ) {
_net->InternalStep( );
_partial_internal_cycles -= 1.0;
}
_net->WriteOutputs( );
++_time;
// Eject traffic and send credits
Flit *last_valid_flit; //= new Flit;
for ( int output = 0; output < _dests; ++output ) {
f = _net->ReadFlit( output );
if ( f ) {
if (1 || f->tail) {
write_out_buf(output, f); // it should have space!
if ( f->watch ) {
cout << "Sent flit " << f->id << " to output buffer " << output << endl;
cout << " Not sending the credit yet! " <<endl;
}
} else {
if ( f->watch ) {
cout << "ejected flit " << f->id << " at output " << output << endl;
cout << "sending credit for " << f->vc << endl;
}
if ( _reorder ) {
if ( f->watch ) {
cout << "adding flit " << f->id << " to reorder buffer" << endl;
cout << "flit's SN is " << f->sn << " buffer's SN is "
<< _rob_sqn[f->src][f->dest] << endl;
}
if ( f->sn > _rob_sqn_max[f->src][f->dest] ) {
_rob_sqn_max[f->src][f->dest] = f->sn;
}
if ( f->head ) {
_rob_size->AddSample( f->sn - _rob_sqn[f->src][f->dest] );
}
f->rob_time = _time;
_rob[f->src][output].push( f );
} else {
_RetireFlit( f, output );
if ( !_empty_network ) {
_accepted_packets[output]->AddSample( 1 );
}
}
}
}
transfer2boundary_buf( output );
if (!credit_return_queue[output].empty()) {
last_valid_flit = credit_return_queue[output].front();
credit_return_queue[output].pop();
} else {
last_valid_flit=NULL;
}
if (last_valid_flit) {
cred = new Credit( 1 );
cred->vc[0] =last_valid_flit->vc;
cred->vc_cnt = 1;
cred->head = last_valid_flit->head;
cred->tail =last_valid_flit->tail;
_net->WriteCredit( cred, output );
if (last_valid_flit->watch) {
cout <<"WE WROTE A CREDIT for flit "<<last_valid_flit->id<<"To output "<<output<< endl;
}
_RetireFlit(last_valid_flit, output );
if ( !_empty_network ) {
_accepted_packets[output]->AddSample( 1 );
}
} else {
_net->WriteCredit( 0, output );
if ( !_reorder && !_empty_network) {
_accepted_packets[output]->AddSample( 0 );
}
}
if ( _reorder ) {
f = _ReadROB( output );
if ( f ) {
if ( f->watch ) {
cout << "flit " << f->id << " removed from ROB at output " << output << endl;
}
_RetireFlit( f, output );
if ( !_empty_network ) {
_accepted_packets[output]->AddSample( 1 );
}
} else {
if ( !_empty_network ) {
_accepted_packets[output]->AddSample( 0 );
}
}
}
}
}
