1
2/*
3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/*
31 * $Id$
32 *
33 * Description: The actual modelled switch. It use the perfect switch and a
34 * Throttle object to control and bandwidth and timing *only for
35 * the output port*. So here we have un-realistic modelling,
36 * since the order of PerfectSwitch and Throttle objects get
37 * woke up affect the message timing. A more accurate model would
38 * be having two set of system states, one for this cycle, one for
39 * next cycle. And on the cycle boundary swap the two set of
40 * states.
41 *
42 */
43
44#ifndef Switch_H
45#define Switch_H
46
| 1
2/*
3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/*
31 * $Id$
32 *
33 * Description: The actual modelled switch. It use the perfect switch and a
34 * Throttle object to control and bandwidth and timing *only for
35 * the output port*. So here we have un-realistic modelling,
36 * since the order of PerfectSwitch and Throttle objects get
37 * woke up affect the message timing. A more accurate model would
38 * be having two set of system states, one for this cycle, one for
39 * next cycle. And on the cycle boundary swap the two set of
40 * states.
41 *
42 */
43
44#ifndef Switch_H
45#define Switch_H
46
|
| 47#include <iostream>
48
|
47#include "mem/ruby/common/Global.hh"
48#include "mem/gems_common/Vector.hh"
49
50class MessageBuffer;
51class PerfectSwitch;
52class NetDest;
53class SimpleNetwork;
54class Throttle;
55class Network;
56
57class Switch {
58public:
59 // Constructors
60
61 // constructor specifying the number of ports
62 Switch(SwitchID sid, SimpleNetwork* network_ptr);
63 void addInPort(const Vector<MessageBuffer*>& in);
64 void addOutPort(const Vector<MessageBuffer*>& out, const NetDest& routing_table_entry, int link_latency, int bw_multiplier);
65 const Throttle* getThrottle(LinkID link_number) const;
66 const Vector<Throttle*>* getThrottles() const;
67 void clearRoutingTables();
68 void clearBuffers();
69 void reconfigureOutPort(const NetDest& routing_table_entry);
70
| 49#include "mem/ruby/common/Global.hh"
50#include "mem/gems_common/Vector.hh"
51
52class MessageBuffer;
53class PerfectSwitch;
54class NetDest;
55class SimpleNetwork;
56class Throttle;
57class Network;
58
59class Switch {
60public:
61 // Constructors
62
63 // constructor specifying the number of ports
64 Switch(SwitchID sid, SimpleNetwork* network_ptr);
65 void addInPort(const Vector<MessageBuffer*>& in);
66 void addOutPort(const Vector<MessageBuffer*>& out, const NetDest& routing_table_entry, int link_latency, int bw_multiplier);
67 const Throttle* getThrottle(LinkID link_number) const;
68 const Vector<Throttle*>* getThrottles() const;
69 void clearRoutingTables();
70 void clearBuffers();
71 void reconfigureOutPort(const NetDest& routing_table_entry);
72
|
71 void printStats(ostream& out) const;
| 73 void printStats(std::ostream& out) const;
|
72 void clearStats();
| 74 void clearStats();
|
73 void printConfig(ostream& out) const;
| 75 void printConfig(std::ostream& out) const;
|
74
75 // Destructor
76 ~Switch();
77
| 76
77 // Destructor
78 ~Switch();
79
|
78 void print(ostream& out) const;
| 80 void print(std::ostream& out) const;
|
79private:
80
81 // Private copy constructor and assignment operator
82 Switch(const Switch& obj);
83 Switch& operator=(const Switch& obj);
84
85 // Data Members (m_ prefix)
86 PerfectSwitch* m_perfect_switch_ptr;
87 Network* m_network_ptr;
88 Vector<Throttle*> m_throttles;
89 Vector<MessageBuffer*> m_buffers_to_free;
90 SwitchID m_switch_id;
91};
92
93// Output operator declaration
| 81private:
82
83 // Private copy constructor and assignment operator
84 Switch(const Switch& obj);
85 Switch& operator=(const Switch& obj);
86
87 // Data Members (m_ prefix)
88 PerfectSwitch* m_perfect_switch_ptr;
89 Network* m_network_ptr;
90 Vector<Throttle*> m_throttles;
91 Vector<MessageBuffer*> m_buffers_to_free;
92 SwitchID m_switch_id;
93};
94
95// Output operator declaration
|
94ostream& operator<<(ostream& out, const Switch& obj);
| 96std::ostream& operator<<(std::ostream& out, const Switch& obj);
|
95
96// ******************* Definitions *******************
97
98// Output operator definition
99extern inline
| 97
98// ******************* Definitions *******************
99
100// Output operator definition
101extern inline
|
100ostream& operator<<(ostream& out, const Switch& obj)
| 102std::ostream& operator<<(std::ostream& out, const Switch& obj)
|
101{
102 obj.print(out);
| 103{
104 obj.print(out);
|
103 out << flush;
| 105 out << std::flush;
|
104 return out;
105}
106
107#endif //Switch_H
| 106 return out;
107}
108
109#endif //Switch_H
|