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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120 * objects to modify this thread's state.
121 */
122 ThreadContext *tc;
123 protected:
124
125 enum Status {
126 Idle,
127 Running,
128 ITBWaitResponse,
129 IcacheRetry,
130 IcacheWaitResponse,
131 IcacheWaitSwitch,
132 DTBWaitResponse,
133 DcacheRetry,
134 DcacheWaitResponse,
135 DcacheWaitSwitch,
136 SwitchedOut
137 };
138
139 Status _status;
140

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157
158 //This is the offset from the current pc that fetch should be performed at
159 Addr fetchOffset;
160 //This flag says to stay at the current pc. This is useful for
161 //instructions which go beyond MachInst boundaries.
162 bool stayAtPC;
163
164 void checkForInterrupts();
165 void setupFetchRequest(Request *req);
166 void preExecute();
167 void postExecute();
168 void advancePC(Fault fault);
169
170 virtual void deallocateContext(int thread_num);
171 virtual void haltContext(int thread_num);
172
173 // statistics

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