/* * Copyright (c) 2002, 2003, 2004, 2005 * The Regents of The University of Michigan * All Rights Reserved * * This code is part of the M5 simulator, developed by Nathan Binkert, * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions * from Ron Dreslinski, Dave Greene, Lisa Hsu, Kevin Lim, Ali Saidi, * and Andrew Schultz. * * Permission is granted to use, copy, create derivative works and * redistribute this software and such derivative works for any * purpose, so long as the copyright notice above, this grant of * permission, and the disclaimer below appear in all copies made; and * so long as the name of The University of Michigan is not used in * any advertising or publicity pertaining to the use or distribution * of this software without specific, written prior authorization. * * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT, * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH * DAMAGES. */#ifndef __ENCUMBERED_CPU_FULL_INSN_FIFO_HH__#define __ENCUMBERED_CPU_FULL_INSN_FIFO_HH__#include "base/fifo_buffer.hh"#include "cpu/smt.hh"#include "encumbered/cpu/full/dyn_inst.hh"class InstructionFifo{  private:    struct InstRecord    {	DynInst *inst;	unsigned    thread;	// constructor	InstRecord() : inst(0) {}	InstRecord(DynInst *i) : inst(i), thread(i->thread_number) {}	void squash() {	    inst->squash();	    delete inst;	    inst = 0;	}	void dump() {	    assert(inst != 0);	    inst->dump();	}    };    typedef FifoBuffer<InstRecord>::iterator iterator;    FifoBuffer<InstRecord> *instructions;    unsigned insts[SMT_MAX_THREADS];    unsigned size;  public:    InstructionFifo(unsigned size);    unsigned add(DynInst *inst);    unsigned count() { return instructions->count(); }    unsigned count(unsigned t) { return insts[t]; }    DynInst *peek();    DynInst *remove(unsigned *thread = 0);    unsigned squash();    unsigned squash(unsigned t);    void dump();    void dump(unsigned thread);    ~InstructionFifo() { delete instructions; }};#endif // __INSN_FIFO_HH__