1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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26 *
27 * Authors: Gabe Black
28 */
29
30#ifndef __SYSTEMC_CORE_PORT_HH__
31#define __SYSTEMC_CORE_PORT_HH__
32
33#include <list>
34#include <typeinfo>
35#include <vector>
36
37#include "base/cprintf.hh"
38#include "systemc/ext/core/sc_interface.hh"
39#include "systemc/ext/core/sc_port.hh"
40
41namespace sc_gem5
42{

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53{
54 private:
55 ::sc_core::sc_port_base *portBase;
56
57 bool finalized;
58 int _maxSize;
59 int _size;
60
61 bool regPortNeeded;
62
63 void finalizePort(StaticSensitivityPort *port);
64 void finalizeFinder(StaticSensitivityFinder *finder);
65 void finalizeReset(ResetSensitivityPort *reset);
66
67 void
68 addInterface(::sc_core::sc_interface *iface)
69 {
70 for (int i = 0; i < _size; i++) {

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78 }
79 _size++;
80 portBase->_gem5AddInterface(iface);
81 }
82
83 void
84 addInterfaces(::sc_core::sc_port_base *pb)
85 {
86 // Only the ports farthest from the interfaces call register_port.
87 pb->_gem5Port->regPortNeeded = false;
88 for (int i = 0; i < pb->size(); i++)
89 addInterface(pb->_gem5Interface(i));
90 }
91
92 ::sc_core::sc_interface *
93 getInterface(int i)
94 {
95 return portBase->_gem5Interface(i);

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136 fromPort(const ::sc_core::sc_port_base *pb)
137 {
138 return pb->_gem5Port;
139 }
140
141 ::sc_core::sc_port_base *sc_port_base() { return portBase; }
142
143 Port(::sc_core::sc_port_base *port_base, int max) :
139 portBase(port_base), finalized(false), _maxSize(max), _size(0)
144 portBase(port_base), finalized(false), _maxSize(max), _size(0),
145 regPortNeeded(true)
146 {
147 allPorts.push_front(this);
148 }
149
150 void
151 bind(::sc_core::sc_interface *interface)
152 {
153 if (bindings.empty())

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162 bindings.push_back(new Binding(port));
163 }
164
165 void sensitive(StaticSensitivityPort *port);
166 void sensitive(StaticSensitivityFinder *finder);
167 void sensitive(ResetSensitivityPort *reset);
168
169 void finalize();
170 void regPort();
171
172 int size() { return _size; }
173 int maxSize() { return _maxSize; }
174};
175
176} // namespace sc_gem5
177
178#endif // __SYSTEMC_CORE_PORT_HH__