base.hh (8662:d4548b381e87) base.hh (8707:489489c67fd9)
1/*
1/*
2 * Copyright (c) 2011 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
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * Copyright (c) 2011 Regents of the University of California
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;

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90 // @todo remove me after debugging with legion done
91 Tick instCnt;
92 // every cpu has an id, put it in the base cpu
93 // Set at initialization, only time a cpuId might change is during a
94 // takeover (which should be done from within the BaseCPU anyway,
95 // therefore no setCpuId() method is provided
96 int _cpuId;
97
14 * Copyright (c) 2002-2005 The Regents of The University of Michigan
15 * Copyright (c) 2011 Regents of the University of California
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are
20 * met: redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer;

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102 // @todo remove me after debugging with legion done
103 Tick instCnt;
104 // every cpu has an id, put it in the base cpu
105 // Set at initialization, only time a cpuId might change is during a
106 // takeover (which should be done from within the BaseCPU anyway,
107 // therefore no setCpuId() method is provided
108 int _cpuId;
109
110 /**
111 * Define a base class for the CPU ports (instruction and data)
112 * that is refined in the subclasses. This class handles the
113 * common cases, i.e. the functional accesses and the status
114 * changes and address range queries. The default behaviour for
115 * both atomic and timing access is to panic and the corresponding
116 * subclasses have to override these methods.
117 */
118 class CpuPort : public Port
119 {
120 public:
121
122 /**
123 * Create a CPU port with a name and a structural owner.
124 *
125 * @param _name port name including the owner
126 * @param _name structural owner of this port
127 */
128 CpuPort(const std::string& _name, MemObject* _owner) :
129 Port(_name, _owner), snoopRangeSent(false)
130 { }
131
132 protected:
133
134 virtual bool recvTiming(PacketPtr pkt);
135
136 virtual Tick recvAtomic(PacketPtr pkt);
137
138 virtual void recvRetry();
139
140 void recvFunctional(PacketPtr pkt);
141
142 void recvStatusChange(Status status);
143
144 /**
145 * Add CPU ports are master ports and do not respond to any
146 * address ranges. Note that the LSQ snoops for specific ISAs
147 * and thus has to override this method.
148 *
149 * @param resp list of ranges this port responds to
150 * @param snoop indicating if the port snoops or not
151 */
152 virtual void getDeviceAddressRanges(AddrRangeList& resp,
153 bool& snoop);
154
155 private:
156
157 bool snoopRangeSent;
158
159 };
160
98 public:
99 /** Reads this CPU's ID. */
100 int cpuId() { return _cpuId; }
101
102// Tick currentTick;
103 inline Tick frequency() const { return SimClock::Frequency / clock; }
104 inline Tick ticks(int numCycles) const { return clock * numCycles; }
105 inline Tick curCycle() const { return curTick() / clock; }

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162 /** Reads this CPU's ID. */
163 int cpuId() { return _cpuId; }
164
165// Tick currentTick;
166 inline Tick frequency() const { return SimClock::Frequency / clock; }
167 inline Tick ticks(int numCycles) const { return clock * numCycles; }
168 inline Tick curCycle() const { return curTick() / clock; }

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