1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Copyright (c) 2008 Princeton University
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Niket Agarwal
*/
#include "mem/ruby/network/garnet/fixed-pipeline/CreditLink_d.hh"
#include "mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh"
NetworkLink_d::NetworkLink_d(const Params *p)
: ClockedObject(p), Consumer(this), m_id(p->link_id),
m_latency(p->link_latency), channel_width(p->channel_width),
linkBuffer(new flitBuffer_d()), link_consumer(nullptr),
link_srcQueue(nullptr), m_link_utilized(0),
m_vc_load(p->vcs_per_vnet * p->virt_nets)
{
}
NetworkLink_d::~NetworkLink_d()
{
delete linkBuffer;
}
void
NetworkLink_d::setLinkConsumer(Consumer *consumer)
{
link_consumer = consumer;
}
void
NetworkLink_d::setSourceQueue(flitBuffer_d *srcQueue)
{
link_srcQueue = srcQueue;
}
void
NetworkLink_d::wakeup()
{
if (link_srcQueue->isReady(curCycle())) {
flit_d *t_flit = link_srcQueue->getTopFlit();
t_flit->set_time(curCycle() + m_latency);
linkBuffer->insert(t_flit);
link_consumer->scheduleEventAbsolute(clockEdge(m_latency));
m_link_utilized++;
m_vc_load[t_flit->get_vc()]++;
}
}
NetworkLink_d *
NetworkLink_dParams::create()
{
return new NetworkLink_d(this);
}
CreditLink_d *
CreditLink_dParams::create()
{
return new CreditLink_d(this);
}
uint32_t
NetworkLink_d::functionalWrite(Packet *pkt)
{
return linkBuffer->functionalWrite(pkt);
}
|
