a514bf2150
cpu/activity.cc:
cpu/activity.hh:
cpu/o3/alpha_cpu.hh:
Updates to include comments.
cpu/base_dyn_inst.cc:
Remove call to thread->misspeculating(), as it's never actually misspeculating.
--HG--
extra : convert_revision : 86574d684770fac9b480475acca048ea418cdac3
117 lines
4.5 KiB
C++
117 lines
4.5 KiB
C++
/*
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* Copyright (c) 2004-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __CPU_O3_CPU_POLICY_HH__
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#define __CPU_O3_CPU_POLICY_HH__
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#include "cpu/o3/bpred_unit.hh"
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#include "cpu/o3/free_list.hh"
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#include "cpu/o3/inst_queue.hh"
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#include "cpu/o3/lsq.hh"
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#include "cpu/o3/lsq_unit.hh"
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#include "cpu/o3/mem_dep_unit.hh"
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#include "cpu/o3/regfile.hh"
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#include "cpu/o3/rename_map.hh"
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#include "cpu/o3/rob.hh"
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#include "cpu/o3/store_set.hh"
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#include "cpu/o3/commit.hh"
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#include "cpu/o3/decode.hh"
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#include "cpu/o3/fetch.hh"
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#include "cpu/o3/iew.hh"
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#include "cpu/o3/rename.hh"
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#include "cpu/o3/comm.hh"
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/**
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* Struct that defines the key classes to be used by the CPU. All
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* classes use the typedefs defined here to determine what are the
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* classes of the other stages and communication buffers. In order to
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* change a structure such as the IQ, simply change the typedef here
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* to use the desired class instead, and recompile. In order to
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* create a different CPU to be used simultaneously with this one, see
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* the alpha_impl.hh file for instructions.
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*/
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template<class Impl>
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struct SimpleCPUPolicy
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{
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/** Typedef for the branch prediction unit (which includes the BP,
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* RAS, and BTB).
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*/
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typedef BPredUnit<Impl> BPredUnit;
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/** Typedef for the register file. Most classes assume a unified
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* physical register file.
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*/
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typedef PhysRegFile<Impl> RegFile;
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/** Typedef for the freelist of registers. */
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typedef SimpleFreeList FreeList;
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/** Typedef for the rename map. */
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typedef SimpleRenameMap RenameMap;
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/** Typedef for the ROB. */
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typedef ROB<Impl> ROB;
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/** Typedef for the instruction queue/scheduler. */
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typedef InstructionQueue<Impl> IQ;
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/** Typedef for the memory dependence unit. */
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typedef MemDepUnit<StoreSet, Impl> MemDepUnit;
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/** Typedef for the LSQ. */
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typedef LSQ<Impl> LSQ;
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/** Typedef for the thread-specific LSQ units. */
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typedef LSQUnit<Impl> LSQUnit;
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/** Typedef for fetch. */
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typedef DefaultFetch<Impl> Fetch;
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/** Typedef for decode. */
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typedef DefaultDecode<Impl> Decode;
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/** Typedef for rename. */
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typedef DefaultRename<Impl> Rename;
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/** Typedef for Issue/Execute/Writeback. */
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typedef DefaultIEW<Impl> IEW;
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/** Typedef for commit. */
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typedef DefaultCommit<Impl> Commit;
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/** The struct for communication between fetch and decode. */
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typedef DefaultFetchDefaultDecode<Impl> FetchStruct;
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/** The struct for communication between decode and rename. */
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typedef DefaultDecodeDefaultRename<Impl> DecodeStruct;
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/** The struct for communication between rename and IEW. */
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typedef DefaultRenameDefaultIEW<Impl> RenameStruct;
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/** The struct for communication between IEW and commit. */
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typedef DefaultIEWDefaultCommit<Impl> IEWStruct;
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/** The struct for communication within the IEW stage. */
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typedef IssueStruct<Impl> IssueStruct;
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/** The struct for all backwards communication. */
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typedef TimeBufStruct<Impl> TimeStruct;
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};
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#endif //__CPU_O3_CPU_POLICY_HH__
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