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/*
* Copyright (c) 2007 MIPS Technologies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Korey Sewell
*
*/
#ifndef __CPU_INORDER_PIPELINE_IMPL_HH__
#define __CPU_INORDER_PIPELINE_IMPL_HH__
#include <list>
#include <queue>
#include <vector>
#include "arch/isa_traits.hh"
#include "cpu/base.hh"
#include "params/InOrderCPU.hh"
class InOrderDynInst;
class ScheduleEntry;
class ResourceSked;
/* This Namespace contains constants, typedefs, functions and
* objects specific to the Pipeline Implementation.
*/
namespace ThePipeline {
// Pipeline Constants
const unsigned NumStages = 5;
const ThreadID MaxThreads = 1;
const unsigned BackEndStartStage = 2;
// List of Resources The Pipeline Uses
enum ResourceId {
FetchSeq = 0,
ICache,
Decode,
BPred,
FetchBuff,
RegManager,
AGEN,
ExecUnit,
MDU,
DCache,
Grad,
FetchBuff2
};
typedef InOrderCPUParams Params;
typedef RefCountingPtr<InOrderDynInst> DynInstPtr;
//////////////////////////
// RESOURCE SCHEDULING
//////////////////////////
typedef ResourceSked ResSchedule;
typedef ResourceSked* RSkedPtr;
};
#endif
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