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_I82094AA_HH__
32#define __DEV_X86_I82094AA_HH__
33
34#include <map>
35
36#include "base/bitunion.hh"
37#include "base/range_map.hh"
38#include "dev/x86/intdev.hh"
39#include "dev/io_device.hh"
40#include "params/I82094AA.hh"
41
42namespace X86ISA
43{
44
45class I8259;
46class Interrupts;
47
48class I82094AA : public PioDevice, public IntDev
49{
50 public:
51 BitUnion64(RedirTableEntry)
52 Bitfield<63, 32> topDW;
53 Bitfield<55, 32> topReserved;
54 Bitfield<31, 0> bottomDW;
55 Bitfield<31, 17> bottomReserved;
56 Bitfield<63, 56> dest;
57 Bitfield<16> mask;
58 Bitfield<15> trigger;
59 Bitfield<14> remoteIRR;
60 Bitfield<13> polarity;
61 Bitfield<12> deliveryStatus;
62 Bitfield<11> destMode;
63 Bitfield<10, 8> deliveryMode;
64 Bitfield<7, 0> vector;
65 EndBitUnion(RedirTableEntry)
66
67 protected:
68 Tick latency;
69 Addr pioAddr;
70
71 I8259 * extIntPic;
72
| 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_I82094AA_HH__
32#define __DEV_X86_I82094AA_HH__
33
34#include <map>
35
36#include "base/bitunion.hh"
37#include "base/range_map.hh"
38#include "dev/x86/intdev.hh"
39#include "dev/io_device.hh"
40#include "params/I82094AA.hh"
41
42namespace X86ISA
43{
44
45class I8259;
46class Interrupts;
47
48class I82094AA : public PioDevice, public IntDev
49{
50 public:
51 BitUnion64(RedirTableEntry)
52 Bitfield<63, 32> topDW;
53 Bitfield<55, 32> topReserved;
54 Bitfield<31, 0> bottomDW;
55 Bitfield<31, 17> bottomReserved;
56 Bitfield<63, 56> dest;
57 Bitfield<16> mask;
58 Bitfield<15> trigger;
59 Bitfield<14> remoteIRR;
60 Bitfield<13> polarity;
61 Bitfield<12> deliveryStatus;
62 Bitfield<11> destMode;
63 Bitfield<10, 8> deliveryMode;
64 Bitfield<7, 0> vector;
65 EndBitUnion(RedirTableEntry)
66
67 protected:
68 Tick latency;
69 Addr pioAddr;
70
71 I8259 * extIntPic;
72
|
73 std::map<int, Interrupts *> localApics;
74
| |
75 uint8_t regSel;
76 uint8_t initialApicId;
77 uint8_t id;
78 uint8_t arbId;
79
80 uint64_t lowestPriorityOffset;
81
82 static const uint8_t TableSize = 24;
83 // This implementation is based on version 0x11, but 0x14 avoids having
84 // to deal with the arbitration and APIC bus guck.
85 static const uint8_t APICVersion = 0x14;
86
87 RedirTableEntry redirTable[TableSize];
88 bool pinStates[TableSize];
89
90 public:
91 typedef I82094AAParams Params;
92
93 const Params *
94 params() const
95 {
96 return dynamic_cast<const Params *>(_params);
97 }
98
99 I82094AA(Params *p);
100
101 void init();
102
103 Tick read(PacketPtr pkt);
104 Tick write(PacketPtr pkt);
105
| 73 uint8_t regSel;
74 uint8_t initialApicId;
75 uint8_t id;
76 uint8_t arbId;
77
78 uint64_t lowestPriorityOffset;
79
80 static const uint8_t TableSize = 24;
81 // This implementation is based on version 0x11, but 0x14 avoids having
82 // to deal with the arbitration and APIC bus guck.
83 static const uint8_t APICVersion = 0x14;
84
85 RedirTableEntry redirTable[TableSize];
86 bool pinStates[TableSize];
87
88 public:
89 typedef I82094AAParams Params;
90
91 const Params *
92 params() const
93 {
94 return dynamic_cast<const Params *>(_params);
95 }
96
97 I82094AA(Params *p);
98
99 void init();
100
101 Tick read(PacketPtr pkt);
102 Tick write(PacketPtr pkt);
103
|
106 AddrRangeList getAddrRanges()
| 104 void addressRanges(AddrRangeList &range_list)
|
107 {
| 105 {
|
108 AddrRangeList ranges;
109 ranges.push_back(RangeEx(pioAddr, pioAddr + 4));
110 ranges.push_back(RangeEx(pioAddr + 16, pioAddr + 20));
111 return ranges;
| 106 range_list.clear();
107 range_list.push_back(RangeEx(pioAddr, pioAddr + 4));
108 range_list.push_back(RangeEx(pioAddr + 16, pioAddr + 20));
|
112 }
113
| 109 }
110
|
114 AddrRangeList getIntAddrRange()
| 111 void getIntAddrRange(AddrRangeList &range_list)
|
115 {
| 112 {
|
116 AddrRangeList ranges;
117 ranges.push_back(RangeEx(x86InterruptAddress(initialApicId, 0),
118 x86InterruptAddress(initialApicId, 0) +
119 PhysAddrAPICRangeSize));
120 return ranges;
| 113 range_list.clear();
114 range_list.push_back(RangeEx(x86InterruptAddress(initialApicId, 0),
115 x86InterruptAddress(initialApicId, 0) +
116 PhysAddrAPICRangeSize));
|
121 }
122
123 void writeReg(uint8_t offset, uint32_t value);
124 uint32_t readReg(uint8_t offset);
125
126 Port *getPort(const std::string &if_name, int idx = -1)
127 {
128 if (if_name == "int_port")
129 return intPort;
130 return PioDevice::getPort(if_name, idx);
131 }
132
133 void signalInterrupt(int line);
134 void raiseInterruptPin(int number);
135 void lowerInterruptPin(int number);
| 117 }
118
119 void writeReg(uint8_t offset, uint32_t value);
120 uint32_t readReg(uint8_t offset);
121
122 Port *getPort(const std::string &if_name, int idx = -1)
123 {
124 if (if_name == "int_port")
125 return intPort;
126 return PioDevice::getPort(if_name, idx);
127 }
128
129 void signalInterrupt(int line);
130 void raiseInterruptPin(int number);
131 void lowerInterruptPin(int number);
|
136 void registerLocalApic(int id, Interrupts *localApic);
| |
137
138 virtual void serialize(std::ostream &os);
139 virtual void unserialize(Checkpoint *cp, const std::string §ion);
140};
141
142} // namespace X86ISA
143
144#endif //__DEV_X86_SOUTH_BRIDGE_I8254_HH__
| 132
133 virtual void serialize(std::ostream &os);
134 virtual void unserialize(Checkpoint *cp, const std::string §ion);
135};
136
137} // namespace X86ISA
138
139#endif //__DEV_X86_SOUTH_BRIDGE_I8254_HH__
|