port.cc (13771:10d990934f15) port.cc (13782:9f6654f478e2)
1/*
2 * Copyright (c) 2012,2015,2017 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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65{
66 if (_baseSlavePort == NULL)
67 panic("Cannot getSlavePort on master port %s that is not connected\n",
68 name());
69
70 return *_baseSlavePort;
71}
72
1/*
2 * Copyright (c) 2012,2015,2017 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 56 unchanged lines hidden (view full) ---

65{
66 if (_baseSlavePort == NULL)
67 panic("Cannot getSlavePort on master port %s that is not connected\n",
68 name());
69
70 return *_baseSlavePort;
71}
72
73bool
74BaseMasterPort::isConnected() const
75{
76 return _baseSlavePort != NULL;
77}
78
79BaseSlavePort::BaseSlavePort(const std::string &name, PortID _id)
80 : Port(name, _id), _baseMasterPort(NULL)
81{
82}
83
84BaseSlavePort::~BaseSlavePort()
85{
86}
87
88BaseMasterPort&
89BaseSlavePort::getMasterPort() const
90{
91 if (_baseMasterPort == NULL)
92 panic("Cannot getMasterPort on slave port %s that is not connected\n",
93 name());
94
95 return *_baseMasterPort;
96}
97
73BaseSlavePort::BaseSlavePort(const std::string &name, PortID _id)
74 : Port(name, _id), _baseMasterPort(NULL)
75{
76}
77
78BaseSlavePort::~BaseSlavePort()
79{
80}
81
82BaseMasterPort&
83BaseSlavePort::getMasterPort() const
84{
85 if (_baseMasterPort == NULL)
86 panic("Cannot getMasterPort on slave port %s that is not connected\n",
87 name());
88
89 return *_baseMasterPort;
90}
91
98bool
99BaseSlavePort::isConnected() const
100{
101 return _baseMasterPort != NULL;
102}
103
104/**
105 * Master port
106 */
107MasterPort::MasterPort(const std::string& name, MemObject* _owner, PortID _id)
108 : BaseMasterPort(name, _id), _slavePort(NULL), owner(*_owner)
109{
110}
111
112MasterPort::~MasterPort()
113{
114}
115
116void
92/**
93 * Master port
94 */
95MasterPort::MasterPort(const std::string& name, MemObject* _owner, PortID _id)
96 : BaseMasterPort(name, _id), _slavePort(NULL), owner(*_owner)
97{
98}
99
100MasterPort::~MasterPort()
101{
102}
103
104void
117MasterPort::bind(BaseSlavePort& slave_port)
105MasterPort::bind(Port &peer)
118{
106{
107 auto *slave_port = dynamic_cast<SlavePort *>(&peer);
108 if (!slave_port) {
109 fatal("Attempt to bind port %s to non-slave port %s.",
110 name(), peer.name());
111 }
119 // bind on the level of the base ports
112 // bind on the level of the base ports
120 _baseSlavePort = &slave_port;
113 _baseSlavePort = slave_port;
121
114
122 // also attempt to base the slave to the appropriate type
123 SlavePort* cast_slave_port = dynamic_cast<SlavePort*>(&slave_port);
124
125 // if this port is compatible, then proceed with the binding
126 if (cast_slave_port != NULL) {
127 // master port keeps track of the slave port
128 _slavePort = cast_slave_port;
129 // slave port also keeps track of master port
130 _slavePort->bind(*this);
131 } else {
132 fatal("Master port %s cannot bind to %s\n", name(),
133 slave_port.name());
134 }
115 // master port keeps track of the slave port
116 _slavePort = slave_port;
117 _connected = true;
118 // slave port also keeps track of master port
119 _slavePort->slaveBind(*this);
135}
136
137void
138MasterPort::unbind()
139{
140 if (_slavePort == NULL)
141 panic("Attempting to unbind master port %s that is not connected\n",
142 name());
120}
121
122void
123MasterPort::unbind()
124{
125 if (_slavePort == NULL)
126 panic("Attempting to unbind master port %s that is not connected\n",
127 name());
143 _slavePort->unbind();
128 _slavePort->slaveUnbind();
144 _slavePort = NULL;
129 _slavePort = NULL;
130 _connected = false;
145 _baseSlavePort = NULL;
146}
147
148AddrRangeList
149MasterPort::getAddrRanges() const
150{
151 return _slavePort->getAddrRanges();
152}

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213{
214}
215
216SlavePort::~SlavePort()
217{
218}
219
220void
131 _baseSlavePort = NULL;
132}
133
134AddrRangeList
135MasterPort::getAddrRanges() const
136{
137 return _slavePort->getAddrRanges();
138}

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199{
200}
201
202SlavePort::~SlavePort()
203{
204}
205
206void
221SlavePort::unbind()
207SlavePort::slaveUnbind()
222{
223 _baseMasterPort = NULL;
224 _masterPort = NULL;
208{
209 _baseMasterPort = NULL;
210 _masterPort = NULL;
211 _connected = false;
225}
226
227void
212}
213
214void
228SlavePort::bind(MasterPort& master_port)
215SlavePort::slaveBind(MasterPort& master_port)
229{
230 _baseMasterPort = &master_port;
231 _masterPort = &master_port;
216{
217 _baseMasterPort = &master_port;
218 _masterPort = &master_port;
219 _connected = true;
232}
233
234Tick
235SlavePort::sendAtomicSnoop(PacketPtr pkt)
236{
237 assert(pkt->isRequest());
238 return _masterPort->recvAtomicSnoop(pkt);
239}

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221
222Tick
223SlavePort::sendAtomicSnoop(PacketPtr pkt)
224{
225 assert(pkt->isRequest());
226 return _masterPort->recvAtomicSnoop(pkt);
227}

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