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 #include "params/InOrderCPU.hh"
  42
  43 class InOrderDynInst;
  44 class ScheduleEntry;
  45 class ResourceSked;
  46
  47 /* This Namespace contains constants, typedefs, functions and
  48  * objects specific to the Pipeline Implementation.
  49  */
  50 namespace ThePipeline {
  51     // Pipeline Constants
  52     const unsigned NumStages = 5;
  53     const ThreadID MaxThreads = 1;
  54     const unsigned BackEndStartStage = 2;
  55
  56     // List of Resources The Pipeline Uses
  57     enum ResourceId {
  58        FetchSeq = 0,
  59        ICache,
  60        Decode,
  61        BPred,
  62        FetchBuff,
  63        RegManager,
  64        AGEN,
  65        ExecUnit,
  66        MDU,
  67        DCache,
  68        Grad,
  69        FetchBuff2
  70     };
  71
  72     typedef InOrderCPUParams Params;
  73     typedef RefCountingPtr<InOrderDynInst> DynInstPtr;
  74
  75     //////////////////////////
  76     // RESOURCE SCHEDULING
  77     //////////////////////////
  78     typedef ResourceSked ResSchedule;
  79     typedef ResourceSked* RSkedPtr;
  80 };
  81
  82
  83
  84
  85 #endif