1/*
2 * Copyright (c) 2004-2006 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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277 ldstQueue.numFreeEntries(tid);
278 }
279}
280
281template<class Impl>
282void
283DefaultIEW<Impl>::setCPU(O3CPU *cpu_ptr)
284{
285 DPRINTF(IEW, "Setting CPU pointer.\n");
286 cpu = cpu_ptr;
287
288 instQueue.setCPU(cpu_ptr);
289 ldstQueue.setCPU(cpu_ptr);
290
291 cpu->activateStage(O3CPU::IEWIdx);
292}
293
294template<class Impl>
295void
296DefaultIEW<Impl>::setTimeBuffer(TimeBuffer<TimeStruct> *tb_ptr)
297{
298 DPRINTF(IEW, "Setting time buffer pointer.\n");
299 timeBuffer = tb_ptr;
300
301 // Setup wire to read information from time buffer, from commit.
302 fromCommit = timeBuffer->getWire(-commitToIEWDelay);
303
304 // Setup wire to write information back to previous stages.
305 toRename = timeBuffer->getWire(0);
306
307 toFetch = timeBuffer->getWire(0);
308
309 // Instruction queue also needs main time buffer.
310 instQueue.setTimeBuffer(tb_ptr);
311}
312
313template<class Impl>
314void
315DefaultIEW<Impl>::setRenameQueue(TimeBuffer<RenameStruct> *rq_ptr)
316{
317 DPRINTF(IEW, "Setting rename queue pointer.\n");
318 renameQueue = rq_ptr;
319
320 // Setup wire to read information from rename queue.
321 fromRename = renameQueue->getWire(-renameToIEWDelay);
322}
323
324template<class Impl>
325void
326DefaultIEW<Impl>::setIEWQueue(TimeBuffer<IEWStruct> *iq_ptr)
327{
328 DPRINTF(IEW, "Setting IEW queue pointer.\n");
329 iewQueue = iq_ptr;
330
331 // Setup wire to write instructions to commit.
332 toCommit = iewQueue->getWire(0);
333}
334
335template<class Impl>
336void
337DefaultIEW<Impl>::setActiveThreads(std::list<unsigned> *at_ptr)
338{
339 DPRINTF(IEW, "Setting active threads list pointer.\n");
340 activeThreads = at_ptr;
341
342 ldstQueue.setActiveThreads(at_ptr);
343 instQueue.setActiveThreads(at_ptr);
344}
345
346template<class Impl>
347void
348DefaultIEW<Impl>::setScoreboard(Scoreboard *sb_ptr)
349{
350 DPRINTF(IEW, "Setting scoreboard pointer.\n");
351 scoreboard = sb_ptr;
352}
353
354template <class Impl>
355bool
356DefaultIEW<Impl>::drain()
357{
358 // IEW is ready to drain at any time.

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