1/*
2 * Copyright (c) 2008 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: Gabe Black
29 */
30
31#ifndef __DEV_X86_INTDEV_HH__
32#define __DEV_X86_INTDEV_HH__
33
34#include <cassert>
35#include <string>
36
37#include "arch/x86/x86_traits.hh"
38#include "arch/x86/intmessage.hh"
39#include "mem/mem_object.hh"
40#include "mem/mport.hh"
41#include "sim/sim_object.hh"
42#include "params/X86IntSourcePin.hh"
43#include "params/X86IntSinkPin.hh"
44#include "params/X86IntLine.hh"
45
46#include <list>
47
48namespace X86ISA {
49
50typedef std::list<int> ApicList;
51
52class IntDev
53{
54 protected:
55 class IntPort : public MessagePort
56 {
57 IntDev * device;
58 Tick latency;
59 Addr intAddr;
60 public:
61 IntPort(const std::string &_name, MemObject * _parent,
62 IntDev *dev, Tick _latency) :
63 MessagePort(_name, _parent), device(dev), latency(_latency)
64 {
65 }
66
67 void getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
68 {
69 snoop = false;
70 device->getIntAddrRange(resp);
71 }
72
73 Tick recvMessage(PacketPtr pkt)
74 {
75 return device->recvMessage(pkt);
76 }
77
78 Tick recvResponse(PacketPtr pkt)
79 {
80 return device->recvResponse(pkt);
81 }
82
83 // This is x86 focused, so if this class becomes generic, this would
84 // need to be moved into a subclass.
85 void sendMessage(ApicList apics,
86 TriggerIntMessage message, bool timing);
87
88 void recvStatusChange(Status status)
89 {
90 if (status == RangeChange) {
91 sendStatusChange(Port::RangeChange);
92 }
93 }
94
95 };
96
97 IntPort * intPort;
98
99 public:
100 IntDev(MemObject * parent, Tick latency = 0)
101 {
102 if (parent != NULL) {
103 intPort = new IntPort(parent->name() + ".int_port",
104 parent, this, latency);
105 } else {
106 intPort = NULL;
107 }
108 }
109
110 virtual ~IntDev()
111 {}
112
113 virtual void
114 signalInterrupt(int line)
115 {
116 panic("signalInterrupt not implemented.\n");
117 }
118
119 virtual void
120 raiseInterruptPin(int number)
121 {
122 panic("raiseInterruptPin not implemented.\n");
123 }
124
125 virtual void
126 lowerInterruptPin(int number)
127 {
128 panic("lowerInterruptPin not implemented.\n");
129 }
130
131 virtual Tick
132 recvMessage(PacketPtr pkt)
133 {
134 panic("recvMessage not implemented.\n");
135 return 0;
136 }
137
138 virtual Tick
139 recvResponse(PacketPtr pkt)
140 {
141 delete pkt->req;
142 delete pkt;
143 return 0;
144 }
145
146 virtual void
147 getIntAddrRange(AddrRangeList &range_list)
148 {
149 panic("intAddrRange not implemented.\n");
150 }
151};
152
153class IntSinkPin : public SimObject
154{
155 public:
156 IntDev * device;
157 int number;
158
159 typedef X86IntSinkPinParams Params;
160
161 const Params *
162 params() const
163 {
164 return dynamic_cast<const Params *>(_params);
165 }
166
167 IntSinkPin(Params *p) : SimObject(p),
168 device(dynamic_cast<IntDev *>(p->device)), number(p->number)
169 {
170 assert(device);
171 }
172};
173
174class IntSourcePin : public SimObject
175{
176 protected:
177 std::vector<IntSinkPin *> sinks;
178
179 public:
180 typedef X86IntSourcePinParams Params;
181
182 const Params *
183 params() const
184 {
185 return dynamic_cast<const Params *>(_params);
186 }
187
188 void
189 addSink(IntSinkPin *sink)
190 {
191 sinks.push_back(sink);
192 }
193
194 void
195 raise()
196 {
197 for (int i = 0; i < sinks.size(); i++) {
198 const IntSinkPin &pin = *sinks[i];
199 pin.device->raiseInterruptPin(pin.number);
200 }
201 }
202
203 void
204 lower()
205 {
206 for (int i = 0; i < sinks.size(); i++) {
207 const IntSinkPin &pin = *sinks[i];
208 pin.device->lowerInterruptPin(pin.number);
209 }
210 }
211
212 IntSourcePin(Params *p) : SimObject(p)
213 {}
214};
215
216class IntLine : public SimObject
217{
218 protected:
219 IntSourcePin *source;
220 IntSinkPin *sink;
221
222 public:
223 typedef X86IntLineParams Params;
224
225 const Params *
226 params() const
227 {
228 return dynamic_cast<const Params *>(_params);
229 }
230
231 IntLine(Params *p) : SimObject(p), source(p->source), sink(p->sink)
232 {
233 source->addSink(sink);
234 }
235};
236
| 1/*
2 * Copyright (c) 2008 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: Gabe Black
29 */
30
31#ifndef __DEV_X86_INTDEV_HH__
32#define __DEV_X86_INTDEV_HH__
33
34#include <cassert>
35#include <string>
36
37#include "arch/x86/x86_traits.hh"
38#include "arch/x86/intmessage.hh"
39#include "mem/mem_object.hh"
40#include "mem/mport.hh"
41#include "sim/sim_object.hh"
42#include "params/X86IntSourcePin.hh"
43#include "params/X86IntSinkPin.hh"
44#include "params/X86IntLine.hh"
45
46#include <list>
47
48namespace X86ISA {
49
50typedef std::list<int> ApicList;
51
52class IntDev
53{
54 protected:
55 class IntPort : public MessagePort
56 {
57 IntDev * device;
58 Tick latency;
59 Addr intAddr;
60 public:
61 IntPort(const std::string &_name, MemObject * _parent,
62 IntDev *dev, Tick _latency) :
63 MessagePort(_name, _parent), device(dev), latency(_latency)
64 {
65 }
66
67 void getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
68 {
69 snoop = false;
70 device->getIntAddrRange(resp);
71 }
72
73 Tick recvMessage(PacketPtr pkt)
74 {
75 return device->recvMessage(pkt);
76 }
77
78 Tick recvResponse(PacketPtr pkt)
79 {
80 return device->recvResponse(pkt);
81 }
82
83 // This is x86 focused, so if this class becomes generic, this would
84 // need to be moved into a subclass.
85 void sendMessage(ApicList apics,
86 TriggerIntMessage message, bool timing);
87
88 void recvStatusChange(Status status)
89 {
90 if (status == RangeChange) {
91 sendStatusChange(Port::RangeChange);
92 }
93 }
94
95 };
96
97 IntPort * intPort;
98
99 public:
100 IntDev(MemObject * parent, Tick latency = 0)
101 {
102 if (parent != NULL) {
103 intPort = new IntPort(parent->name() + ".int_port",
104 parent, this, latency);
105 } else {
106 intPort = NULL;
107 }
108 }
109
110 virtual ~IntDev()
111 {}
112
113 virtual void
114 signalInterrupt(int line)
115 {
116 panic("signalInterrupt not implemented.\n");
117 }
118
119 virtual void
120 raiseInterruptPin(int number)
121 {
122 panic("raiseInterruptPin not implemented.\n");
123 }
124
125 virtual void
126 lowerInterruptPin(int number)
127 {
128 panic("lowerInterruptPin not implemented.\n");
129 }
130
131 virtual Tick
132 recvMessage(PacketPtr pkt)
133 {
134 panic("recvMessage not implemented.\n");
135 return 0;
136 }
137
138 virtual Tick
139 recvResponse(PacketPtr pkt)
140 {
141 delete pkt->req;
142 delete pkt;
143 return 0;
144 }
145
146 virtual void
147 getIntAddrRange(AddrRangeList &range_list)
148 {
149 panic("intAddrRange not implemented.\n");
150 }
151};
152
153class IntSinkPin : public SimObject
154{
155 public:
156 IntDev * device;
157 int number;
158
159 typedef X86IntSinkPinParams Params;
160
161 const Params *
162 params() const
163 {
164 return dynamic_cast<const Params *>(_params);
165 }
166
167 IntSinkPin(Params *p) : SimObject(p),
168 device(dynamic_cast<IntDev *>(p->device)), number(p->number)
169 {
170 assert(device);
171 }
172};
173
174class IntSourcePin : public SimObject
175{
176 protected:
177 std::vector<IntSinkPin *> sinks;
178
179 public:
180 typedef X86IntSourcePinParams Params;
181
182 const Params *
183 params() const
184 {
185 return dynamic_cast<const Params *>(_params);
186 }
187
188 void
189 addSink(IntSinkPin *sink)
190 {
191 sinks.push_back(sink);
192 }
193
194 void
195 raise()
196 {
197 for (int i = 0; i < sinks.size(); i++) {
198 const IntSinkPin &pin = *sinks[i];
199 pin.device->raiseInterruptPin(pin.number);
200 }
201 }
202
203 void
204 lower()
205 {
206 for (int i = 0; i < sinks.size(); i++) {
207 const IntSinkPin &pin = *sinks[i];
208 pin.device->lowerInterruptPin(pin.number);
209 }
210 }
211
212 IntSourcePin(Params *p) : SimObject(p)
213 {}
214};
215
216class IntLine : public SimObject
217{
218 protected:
219 IntSourcePin *source;
220 IntSinkPin *sink;
221
222 public:
223 typedef X86IntLineParams Params;
224
225 const Params *
226 params() const
227 {
228 return dynamic_cast<const Params *>(_params);
229 }
230
231 IntLine(Params *p) : SimObject(p), source(p->source), sink(p->sink)
232 {
233 source->addSink(sink);
234 }
235};
236
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