cpu.hh (4030:4046b2213995) cpu.hh (4192:7accc6365bb9)
1/*
2 * Copyright (c) 2004-2005 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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141
142 /** The tick event used for scheduling CPU ticks. */
143 TickEvent tickEvent;
144
145 /** Schedule tick event, regardless of its current state. */
146 void scheduleTickEvent(int delay)
147 {
148 if (tickEvent.squashed())
1/*
2 * Copyright (c) 2004-2005 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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141
142 /** The tick event used for scheduling CPU ticks. */
143 TickEvent tickEvent;
144
145 /** Schedule tick event, regardless of its current state. */
146 void scheduleTickEvent(int delay)
147 {
148 if (tickEvent.squashed())
149 tickEvent.reschedule(nextCycle(curTick + cycles(delay)));
149 tickEvent.reschedule(curTick + cycles(delay));
150 else if (!tickEvent.scheduled())
150 else if (!tickEvent.scheduled())
151 tickEvent.schedule(nextCycle(curTick + cycles(delay)));
151 tickEvent.schedule(curTick + cycles(delay));
152 }
153
154 /** Unschedule tick event, regardless of its current state. */
155 void unscheduleTickEvent()
156 {
157 if (tickEvent.scheduled())
158 tickEvent.squash();
159 }

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181 const char *description();
182 };
183
184 /** Schedule thread to activate , regardless of its current state. */
185 void scheduleActivateThreadEvent(int tid, int delay)
186 {
187 // Schedule thread to activate, regardless of its current state.
188 if (activateThreadEvent[tid].squashed())
152 }
153
154 /** Unschedule tick event, regardless of its current state. */
155 void unscheduleTickEvent()
156 {
157 if (tickEvent.scheduled())
158 tickEvent.squash();
159 }

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181 const char *description();
182 };
183
184 /** Schedule thread to activate , regardless of its current state. */
185 void scheduleActivateThreadEvent(int tid, int delay)
186 {
187 // Schedule thread to activate, regardless of its current state.
188 if (activateThreadEvent[tid].squashed())
189 activateThreadEvent[tid].
190 reschedule(nextCycle(curTick + cycles(delay)));
189 activateThreadEvent[tid].reschedule(curTick + cycles(delay));
191 else if (!activateThreadEvent[tid].scheduled())
190 else if (!activateThreadEvent[tid].scheduled())
192 activateThreadEvent[tid].
193 schedule(nextCycle(curTick + cycles(delay)));
191 activateThreadEvent[tid].schedule(curTick + cycles(delay));
194 }
195
196 /** Unschedule actiavte thread event, regardless of its current state. */
197 void unscheduleActivateThreadEvent(int tid)
198 {
199 if (activateThreadEvent[tid].scheduled())
200 activateThreadEvent[tid].squash();
201 }

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232 const char *description();
233 };
234
235 /** Schedule cpu to deallocate thread context.*/
236 void scheduleDeallocateContextEvent(int tid, bool remove, int delay)
237 {
238 // Schedule thread to activate, regardless of its current state.
239 if (deallocateContextEvent[tid].squashed())
192 }
193
194 /** Unschedule actiavte thread event, regardless of its current state. */
195 void unscheduleActivateThreadEvent(int tid)
196 {
197 if (activateThreadEvent[tid].scheduled())
198 activateThreadEvent[tid].squash();
199 }

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230 const char *description();
231 };
232
233 /** Schedule cpu to deallocate thread context.*/
234 void scheduleDeallocateContextEvent(int tid, bool remove, int delay)
235 {
236 // Schedule thread to activate, regardless of its current state.
237 if (deallocateContextEvent[tid].squashed())
240 deallocateContextEvent[tid].
241 reschedule(nextCycle(curTick + cycles(delay)));
238 deallocateContextEvent[tid].reschedule(curTick + cycles(delay));
242 else if (!deallocateContextEvent[tid].scheduled())
239 else if (!deallocateContextEvent[tid].scheduled())
243 deallocateContextEvent[tid].
244 schedule(nextCycle(curTick + cycles(delay)));
240 deallocateContextEvent[tid].schedule(curTick + cycles(delay));
245 }
246
247 /** Unschedule thread deallocation in CPU */
248 void unscheduleDeallocateContextEvent(int tid)
249 {
250 if (deallocateContextEvent[tid].scheduled())
251 deallocateContextEvent[tid].squash();
252 }

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356 /** Takes over from another CPU. */
357 virtual void takeOverFrom(BaseCPU *oldCPU);
358
359 /** Get the current instruction sequence number, and increment it. */
360 InstSeqNum getAndIncrementInstSeq()
361 { return globalSeqNum++; }
362
363#if FULL_SYSTEM
241 }
242
243 /** Unschedule thread deallocation in CPU */
244 void unscheduleDeallocateContextEvent(int tid)
245 {
246 if (deallocateContextEvent[tid].scheduled())
247 deallocateContextEvent[tid].squash();
248 }

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352 /** Takes over from another CPU. */
353 virtual void takeOverFrom(BaseCPU *oldCPU);
354
355 /** Get the current instruction sequence number, and increment it. */
356 InstSeqNum getAndIncrementInstSeq()
357 { return globalSeqNum++; }
358
359#if FULL_SYSTEM
360 /** Update the Virt and Phys ports of all ThreadContexts to
361 * reflect change in memory connections. */
362 void updateMemPorts();
363
364 /** Check if this address is a valid instruction address. */
365 bool validInstAddr(Addr addr) { return true; }
366
367 /** Check if this address is a valid data address. */
368 bool validDataAddr(Addr addr) { return true; }
369
370 /** Get instruction asid. */
371 int getInstAsid(unsigned tid)

--- 309 unchanged lines hidden --- 		364 /** Check if this address is a valid instruction address. */
365 bool validInstAddr(Addr addr) { return true; }
366
367 /** Check if this address is a valid data address. */
368 bool validDataAddr(Addr addr) { return true; }
369
370 /** Get instruction asid. */
371 int getInstAsid(unsigned tid)

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