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;
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31 32#include <cstring> 33#include <fstream> 34#include <list> 35#include <string> 36#include <vector> 37 38#include "base/misc.hh"
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39#include "base/output.hh"
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39#include "sim/builder.hh"
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41#include "sim/host.hh"
42#include "sim/sim_events.hh"
43#include "sim/sim_exit.hh"
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40#include "sim/sim_object.hh"
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45#include "sim/root.hh"
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41
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47using namespace std;
48
49Tick curTick = 0;
50ostream *outputStream;
51ostream *configStream;
52
53/// The simulated frequency of curTick. (This is only here for a short time)
54Tick ticksPerSecond;
55
56namespace Clock {
57/// The simulated frequency of curTick. (In ticks per second)
58Tick Frequency;
59
60namespace Float {
61double s;
62double ms;
63double us;
64double ns;
65double ps;
66
67double Hz;
68double kHz;
69double MHz;
70double GHZ;
71/* namespace Float */ }
72
73namespace Int {
74Tick s;
75Tick ms;
76Tick us;
77Tick ns;
78Tick ps;
79/* namespace Float */ }
80
81/* namespace Clock */ }
82
83
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42// Dummy Object
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85class Root : public SimObject
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43struct Root : public SimObject |
44{
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87 private:
88 Tick max_tick;
89 Tick progress_interval;
90
91 public:
92 Root(const std::string &name, Tick maxtick, Tick pi)
93 : SimObject(name), max_tick(maxtick), progress_interval(pi)
94 {}
95
96 virtual void startup();
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45 Root(const std::string &name) : SimObject(name) {} |
46}; 47
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99void
100Root::startup()
101{
102 if (max_tick != 0)
103 schedExitSimLoop("reached maximum cycle count", curTick + max_tick);
104
105 if (progress_interval != 0)
106 new ProgressEvent(&mainEventQueue, progress_interval);
107}
108
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48BEGIN_DECLARE_SIM_OBJECT_PARAMS(Root) 49
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111 Param<Tick> clock;
112 Param<Tick> max_tick;
113 Param<Tick> progress_interval;
114 Param<string> output_file;
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50 Param<int> dummy; // needed below |
51 52END_DECLARE_SIM_OBJECT_PARAMS(Root) 53 54BEGIN_INIT_SIM_OBJECT_PARAMS(Root) 55
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120 INIT_PARAM(clock, "tick frequency"),
121 INIT_PARAM(max_tick, "maximum simulation time"),
122 INIT_PARAM(progress_interval, "print a progress message"),
123 INIT_PARAM(output_file, "file to dump simulator output to")
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56 INIT_PARAM(dummy, "") // All SimObjects must have params |
57 58END_INIT_SIM_OBJECT_PARAMS(Root) 59 60CREATE_SIM_OBJECT(Root) 61{ 62 static bool created = false; 63 if (created) 64 panic("only one root object allowed!"); 65 66 created = true; 67
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135 outputStream = simout.find(output_file);
136 Root *root = new Root(getInstanceName(), max_tick, progress_interval);
137
138 using namespace Clock;
139 Frequency = clock;
140 Float::s = static_cast<double>(Frequency);
141 Float::ms = Float::s / 1.0e3;
142 Float::us = Float::s / 1.0e6;
143 Float::ns = Float::s / 1.0e9;
144 Float::ps = Float::s / 1.0e12;
145
146 Float::Hz = 1.0 / Float::s;
147 Float::kHz = 1.0 / Float::ms;
148 Float::MHz = 1.0 / Float::us;
149 Float::GHZ = 1.0 / Float::ns;
150
151 Int::s = Frequency;
152 Int::ms = Int::s / 1000;
153 Int::us = Int::ms / 1000;
154 Int::ns = Int::us / 1000;
155 Int::ps = Int::ns / 1000;
156
157 return root;
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68 return new Root(getInstanceName()); |
69} 70 71REGISTER_SIM_OBJECT("Root", Root)
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