src/cpu/inorder/pipeline_traits.hh

   1 /*
   2  * Copyright (c) 2007 MIPS Technologies, Inc.
   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;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Korey Sewell
  29  *
  30  */
  31
  32 #ifndef __CPU_INORDER_PIPELINE_IMPL_HH__
  33 #define __CPU_INORDER_PIPELINE_IMPL_HH__
  34
  35 #include <list>
  36 #include <queue>
  37 #include <vector>
  38
  39 #include "arch/isa_traits.hh"
  40 #include "cpu/base.hh"
  41
  42 #include "params/InOrderCPU.hh"
  43
  44 class InOrderDynInst;
  45 class ScheduleEntry;
  46 class ResourceSked;
  47
  48 /* This Namespace contains constants, typedefs, functions and
  49  * objects specific to the Pipeline Implementation.
  50  */
  51 namespace ThePipeline {
  52     // Pipeline Constants
  53     const unsigned NumStages = 5;
  54     const ThreadID MaxThreads = 1;
  55     const unsigned BackEndStartStage = 2;
  56
  57     // List of Resources The Pipeline Uses
  58     enum ResourceId {
  59        FetchSeq = 0,
  60        ICache,
  61        Decode,
  62        BPred,
  63        FetchBuff,
  64        RegManager,
  65        AGEN,
  66        ExecUnit,
  67        MDU,
  68        DCache,
  69        Grad,
  70        FetchBuff2
  71     };
  72
  73     typedef InOrderCPUParams Params;
  74     typedef RefCountingPtr<InOrderDynInst> DynInstPtr;
  75
  76     //////////////////////////
  77     // RESOURCE SCHEDULING
  78     //////////////////////////
  79     typedef ResourceSked ResSchedule;
  80     typedef ResourceSked* RSkedPtr;
  81 };
  82
  83
  84
  85
  86 #endif