1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * Copyright (c) 2011 Regents of the University of California
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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373
374 /** Get the current instruction sequence number, and increment it. */
375 InstSeqNum getAndIncrementInstSeq()
376 { return globalSeqNum++; }
377
378 /** Traps to handle given fault. */
379 void trap(Fault fault, ThreadID tid, StaticInstPtr inst);
380
381#if FULL_SYSTEM
382 /** HW return from error interrupt. */
383 Fault hwrei(ThreadID tid);
384
385 bool simPalCheck(int palFunc, ThreadID tid);
386
387 /** Returns the Fault for any valid interrupt. */
388 Fault getInterrupts();
389

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397 * reflect change in memory connections. */
398 void updateMemPorts();
399
400 /** Check if this address is a valid instruction address. */
401 bool validInstAddr(Addr addr) { return true; }
402
403 /** Check if this address is a valid data address. */
404 bool validDataAddr(Addr addr) { return true; }
405#endif
406
407 /** Register accessors. Index refers to the physical register index. */
408
409 /** Reads a miscellaneous register. */
410 TheISA::MiscReg readMiscRegNoEffect(int misc_reg, ThreadID tid);
411
412 /** Reads a misc. register, including any side effects the read
413 * might have as defined by the architecture.

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626
627 /** Changes a stage's status to inactive within the activity recorder. */
628 void deactivateStage(const StageIdx idx)
629 { activityRec.deactivateStage(idx); }
630
631 /** Wakes the CPU, rescheduling the CPU if it's not already active. */
632 void wakeCPU();
633
634#if FULL_SYSTEM
635 virtual void wakeup();
636#endif
637
638 /** Gets a free thread id. Use if thread ids change across system. */
639 ThreadID getFreeTid();
640
641 public:
642 /** Returns a pointer to a thread context. */
643 ThreadContext *
644 tcBase(ThreadID tid)

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