intdev.hh (5651:7f0c8006c3d7) intdev.hh (5657:7539092b28ac)
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 <assert.h>
35#include <string>
36
37#include "arch/x86/x86_traits.hh"
38#include "mem/mem_object.hh"
39#include "mem/mport.hh"
40#include "sim/sim_object.hh"
41#include "params/X86IntPin.hh"
42
43namespace X86ISA {
44
45class IntDev
46{
47 protected:
48 class IntPort : public MessagePort
49 {
50 IntDev * device;
51 Tick latency;
52 Addr intAddr;
53 public:
54 IntPort(const std::string &_name, MemObject * _parent,
55 IntDev *dev, Tick _latency) :
56 MessagePort(_name, _parent), device(dev), latency(_latency)
57 {
58 }
59
60 void getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
61 {
62 snoop = false;
63 device->getIntAddrRange(resp);
64 }
65
66 Tick recvMessage(PacketPtr pkt)
67 {
68 return device->recvMessage(pkt);
69 }
70
71 void recvStatusChange(Status status)
72 {
73 if (status == RangeChange) {
74 sendStatusChange(Port::RangeChange);
75 }
76 }
77
78 };
79
80 IntPort * intPort;
81
82 public:
83 IntDev(MemObject * parent, Tick latency = 0)
84 {
85 if (parent != NULL) {
86 intPort = new IntPort(parent->name() + ".int_port",
87 parent, this, latency);
88 } else {
89 intPort = NULL;
90 }
91 }
92
93 virtual ~IntDev()
94 {}
95
96 virtual void
97 signalInterrupt(int line)
98 {
99 panic("signalInterrupt not implemented.\n");
100 }
101
102 virtual Tick
103 recvMessage(PacketPtr pkt)
104 {
105 panic("recvMessage not implemented.\n");
106 return 0;
107 }
108
109 virtual void
110 getIntAddrRange(AddrRangeList &range_list)
111 {
112 panic("intAddrRange not implemented.\n");
113 }
114};
115
116class IntPin : public SimObject
117{
118 protected:
119 IntDev * device;
120 int line;
121
122 public:
123 typedef X86IntPinParams Params;
124
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 <assert.h>
35#include <string>
36
37#include "arch/x86/x86_traits.hh"
38#include "mem/mem_object.hh"
39#include "mem/mport.hh"
40#include "sim/sim_object.hh"
41#include "params/X86IntPin.hh"
42
43namespace X86ISA {
44
45class IntDev
46{
47 protected:
48 class IntPort : public MessagePort
49 {
50 IntDev * device;
51 Tick latency;
52 Addr intAddr;
53 public:
54 IntPort(const std::string &_name, MemObject * _parent,
55 IntDev *dev, Tick _latency) :
56 MessagePort(_name, _parent), device(dev), latency(_latency)
57 {
58 }
59
60 void getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
61 {
62 snoop = false;
63 device->getIntAddrRange(resp);
64 }
65
66 Tick recvMessage(PacketPtr pkt)
67 {
68 return device->recvMessage(pkt);
69 }
70
71 void recvStatusChange(Status status)
72 {
73 if (status == RangeChange) {
74 sendStatusChange(Port::RangeChange);
75 }
76 }
77
78 };
79
80 IntPort * intPort;
81
82 public:
83 IntDev(MemObject * parent, Tick latency = 0)
84 {
85 if (parent != NULL) {
86 intPort = new IntPort(parent->name() + ".int_port",
87 parent, this, latency);
88 } else {
89 intPort = NULL;
90 }
91 }
92
93 virtual ~IntDev()
94 {}
95
96 virtual void
97 signalInterrupt(int line)
98 {
99 panic("signalInterrupt not implemented.\n");
100 }
101
102 virtual Tick
103 recvMessage(PacketPtr pkt)
104 {
105 panic("recvMessage not implemented.\n");
106 return 0;
107 }
108
109 virtual void
110 getIntAddrRange(AddrRangeList &range_list)
111 {
112 panic("intAddrRange not implemented.\n");
113 }
114};
115
116class IntPin : public SimObject
117{
118 protected:
119 IntDev * device;
120 int line;
121
122 public:
123 typedef X86IntPinParams Params;
124
125 IntDev *
126 getDevice() const
127 {
128 return device;
129 }
130
125 const Params *
126 params() const
127 {
128 return dynamic_cast<const Params *>(_params);
129 }
130
131 IntPin(Params *p) : SimObject(p),
132 device(dynamic_cast<IntDev *>(p->device)), line(p->line)
133 {
134 assert(device);
135 }
136
137 void
138 signalInterrupt()
139 {
140 device->signalInterrupt(line);
141 }
142};
143
144}; // namespace X86ISA
145
146#endif //__DEV_X86_INTDEV_HH__
131 const Params *
132 params() const
133 {
134 return dynamic_cast<const Params *>(_params);
135 }
136
137 IntPin(Params *p) : SimObject(p),
138 device(dynamic_cast<IntDev *>(p->device)), line(p->line)
139 {
140 assert(device);
141 }
142
143 void
144 signalInterrupt()
145 {
146 device->signalInterrupt(line);
147 }
148};
149
150}; // namespace X86ISA
151
152#endif //__DEV_X86_INTDEV_HH__