1/*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 */
30
31/**
32 * @file
33 * Port object definitions.
34 */
35#include <cstring>
36
37#include "base/chunk_generator.hh"
38#include "base/trace.hh"
39#include "debug/Config.hh"
40#include "mem/mem_object.hh"
41#include "mem/port.hh"
42
43class DefaultPeerPort : public Port
44{
45 protected:
46 void blowUp() const
47 {
48 fatal("%s: Unconnected port!", peer->name());
49 }
50
51 public:
52 DefaultPeerPort()
53 : Port("default_port", NULL)
54 { }
55
56 bool recvTiming(PacketPtr)
57 {
58 blowUp();
59 return false;
60 }
61
62 Tick recvAtomic(PacketPtr)
63 {
64 blowUp();
65 return 0;
66 }
67
68 void recvFunctional(PacketPtr)
69 {
70 blowUp();
71 }
72
73 void recvStatusChange(Status)
74 {
75 blowUp();
76 }
77
78 unsigned
79 deviceBlockSize() const
80 {
81 blowUp();
82 return 0;
83 }
84
85 void getDeviceAddressRanges(AddrRangeList &, bool &)
86 {
87 blowUp();
88 }
89
90 bool isDefaultPort() const { return true; }
91};
92
93DefaultPeerPort defaultPeerPort;
94
95Port::Port(const std::string &_name, MemObject *_owner)
| 1/*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 */
30
31/**
32 * @file
33 * Port object definitions.
34 */
35#include <cstring>
36
37#include "base/chunk_generator.hh"
38#include "base/trace.hh"
39#include "debug/Config.hh"
40#include "mem/mem_object.hh"
41#include "mem/port.hh"
42
43class DefaultPeerPort : public Port
44{
45 protected:
46 void blowUp() const
47 {
48 fatal("%s: Unconnected port!", peer->name());
49 }
50
51 public:
52 DefaultPeerPort()
53 : Port("default_port", NULL)
54 { }
55
56 bool recvTiming(PacketPtr)
57 {
58 blowUp();
59 return false;
60 }
61
62 Tick recvAtomic(PacketPtr)
63 {
64 blowUp();
65 return 0;
66 }
67
68 void recvFunctional(PacketPtr)
69 {
70 blowUp();
71 }
72
73 void recvStatusChange(Status)
74 {
75 blowUp();
76 }
77
78 unsigned
79 deviceBlockSize() const
80 {
81 blowUp();
82 return 0;
83 }
84
85 void getDeviceAddressRanges(AddrRangeList &, bool &)
86 {
87 blowUp();
88 }
89
90 bool isDefaultPort() const { return true; }
91};
92
93DefaultPeerPort defaultPeerPort;
94
95Port::Port(const std::string &_name, MemObject *_owner)
|
96 : EventManager(_owner), portName(_name), peer(&defaultPeerPort),
97 owner(_owner)
| 96 : portName(_name), peer(&defaultPeerPort), owner(_owner)
|
98{
99}
100
101Port::~Port()
102{
103}
104
105void
106Port::setPeer(Port *port)
107{
108 DPRINTF(Config, "setting peer to %s\n", port->name());
109
110 peer = port;
111}
112
113void
114Port::setOwner(MemObject *_owner)
115{
| 97{
98}
99
100Port::~Port()
101{
102}
103
104void
105Port::setPeer(Port *port)
106{
107 DPRINTF(Config, "setting peer to %s\n", port->name());
108
109 peer = port;
110}
111
112void
113Port::setOwner(MemObject *_owner)
114{
|
116 eventq = _owner->queue();
| |
117 owner = _owner;
118}
119
120void
121Port::removeConn()
122{
123 if (peer->getOwner())
124 peer->getOwner()->deletePortRefs(peer);
125 peer = NULL;
126}
127
128void
129Port::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd)
130{
131 Request req;
132
133 for (ChunkGenerator gen(addr, size, peerBlockSize());
134 !gen.done(); gen.next()) {
135 req.setPhys(gen.addr(), gen.size(), 0);
136 Packet pkt(&req, cmd, Packet::Broadcast);
137 pkt.dataStatic(p);
138 sendFunctional(&pkt);
139 p += gen.size();
140 }
141}
142
143void
144Port::writeBlob(Addr addr, uint8_t *p, int size)
145{
146 blobHelper(addr, p, size, MemCmd::WriteReq);
147}
148
149void
150Port::readBlob(Addr addr, uint8_t *p, int size)
151{
152 blobHelper(addr, p, size, MemCmd::ReadReq);
153}
154
155void
156Port::memsetBlob(Addr addr, uint8_t val, int size)
157{
158 // quick and dirty...
159 uint8_t *buf = new uint8_t[size];
160
161 std::memset(buf, val, size);
162 blobHelper(addr, buf, size, MemCmd::WriteReq);
163
164 delete [] buf;
165}
166
167
168void
169Port::printAddr(Addr a)
170{
171 Request req(a, 1, 0);
172 Packet pkt(&req, MemCmd::PrintReq, Packet::Broadcast);
173 Packet::PrintReqState prs(std::cerr);
174 pkt.senderState = &prs;
175
176 sendFunctional(&pkt);
177}
| 115 owner = _owner;
116}
117
118void
119Port::removeConn()
120{
121 if (peer->getOwner())
122 peer->getOwner()->deletePortRefs(peer);
123 peer = NULL;
124}
125
126void
127Port::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd)
128{
129 Request req;
130
131 for (ChunkGenerator gen(addr, size, peerBlockSize());
132 !gen.done(); gen.next()) {
133 req.setPhys(gen.addr(), gen.size(), 0);
134 Packet pkt(&req, cmd, Packet::Broadcast);
135 pkt.dataStatic(p);
136 sendFunctional(&pkt);
137 p += gen.size();
138 }
139}
140
141void
142Port::writeBlob(Addr addr, uint8_t *p, int size)
143{
144 blobHelper(addr, p, size, MemCmd::WriteReq);
145}
146
147void
148Port::readBlob(Addr addr, uint8_t *p, int size)
149{
150 blobHelper(addr, p, size, MemCmd::ReadReq);
151}
152
153void
154Port::memsetBlob(Addr addr, uint8_t val, int size)
155{
156 // quick and dirty...
157 uint8_t *buf = new uint8_t[size];
158
159 std::memset(buf, val, size);
160 blobHelper(addr, buf, size, MemCmd::WriteReq);
161
162 delete [] buf;
163}
164
165
166void
167Port::printAddr(Addr a)
168{
169 Request req(a, 1, 0);
170 Packet pkt(&req, MemCmd::PrintReq, Packet::Broadcast);
171 Packet::PrintReqState prs(std::cerr);
172 pkt.senderState = &prs;
173
174 sendFunctional(&pkt);
175}
|