public override void tick()
{
cycles++;
//memory controllers
for (int n = 0; n < Config.mem2.mctrl_num; n++)
{
for (int i = 0; i < Config.mem2.channel_max; i++)
{
mctrls2[n][i].tick();
}
}
while (reqs.Count > 0 &&
cycles - reqs.Peek().ts_arrival >= latency)
{
//*********************************************************************************************************************************************
//yang
Req req_temp = reqs.Peek();
Dbg.Assert(req_temp != null);
if (mctrls2[Sim.get_mctrl(req_temp.pid)][req_temp.addr.cid].is_q_full(req_temp.pid, req_temp.type, req_temp.addr.rid, req_temp.addr.bid))
{
break;
}
//*********************************************************************************************************************************************
Req req = reqs.Dequeue();
Dbg.Assert(req != null);
// req.ts_departure = cycles;
// Dbg.Assert(req.ts_departure - req.ts_arrival > 0);
if (req.type == ReqType.RD)
{
////traverse crossbar
//Sim.xbar.enqueue(req);
//insert into mctrl
insert_mctrl(req);
}
else
{
switch (Config.proc.cache_write_policy)
{
case "WriteThrough":
// throw new System.Exception("Cache: Trying to service a write in a write-through cache.");
break;
case "WriteBack":
//set_dirty(req);
//Callback cb = req.callback;
//Dbg.Assert(cb != null);
//cb(req);
insert_mctrl(req);
break;
}
}
}
while (wbs.Count > 0)
{
Req wb_req = wbs.Peek();
Dbg.Assert(wb_req != null);
MemAddr addr = wb_req.addr;
/* if (mctrls2[Sim.get_mctrl(wb_req.pid)][addr.cid].is_q_full(wb_req.pid, wb_req.type, addr.rid, addr.bid))
* break;
*
* wbs.Dequeue();
* mctrls2[Sim.get_mctrl(wb_req.pid)][addr.cid].enqueue_req(wb_req);*/
//yang:
if (Sim.mctrls[Sim.get_mctrl(wb_req.pid)][addr.cid].is_q_full(wb_req.pid, wb_req.type, addr.rid, addr.bid))
{
break;
}
wbs.Dequeue();
Sim.mctrls[Sim.get_mctrl(wb_req.pid)][addr.cid].enqueue_req(wb_req);
Stat.procs[wb_req.pid].cache_wb_req.Collect();
}
if (Config.proc.cache_insertion_policy == "All")
{
Migration.tick();
}
}