src/cpu/inorder/inorder_trace.hh

   1 /*
   2  * Copyright (c) 2007 MIPS Technologies, Inc.
   3  * Copyright (c) 2001-2005 The Regents of The University of Michigan
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are
   8  * met: redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer;
  10  * redistributions in binary form must reproduce the above copyright
  11  * notice, this list of conditions and the following disclaimer in the
  12  * documentation and/or other materials provided with the distribution;
  13  * neither the name of the copyright holders nor the names of its
  14  * contributors may be used to endorse or promote products derived from
  15  * this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  *
  29  * Authors: Korey Sewell
  30  */
  31
  32 #ifndef __CPU_INORDER_INORDER_TRACE_HH__
  33 #define __CPU_INORDER_INORDER_TRACE_HH__
  34
  35 #include "base/trace.hh"
  36 #include "base/types.hh"
  37 #include "cpu/exetrace.hh"
  38 #include "cpu/static_inst.hh"
  39 #include "params/InOrderTrace.hh"
  40 #include "sim/insttracer.hh"
  41
  42 class ThreadContext;
  43
  44 namespace Trace {
  45
  46 class InOrderTraceRecord : public ExeTracerRecord
  47 {
  48   public:
  49     InOrderTraceRecord(unsigned num_stages, bool _stage_tracing,
  50            ThreadContext *_thread, bool spec = false)
  51         : ExeTracerRecord(0, _thread, NULL, 0, spec)
  52     {
  53         stageTrace = _stage_tracing;
  54         stageCycle.resize(num_stages);
  55     }
  56
  57     // Trace stage-by-stage execution of instructions.
  58     bool stageTrace;
  59     std::vector<Tick> stageCycle;
  60
  61     void dumpTicks(std::ostream &outs);
  62
  63     void
  64     setStageCycle(int num_stage, Tick cur_cycle)
  65     {
  66         if (stageTrace) {
  67             stageCycle[num_stage] = cur_cycle;
  68         } else {
  69             when = cur_cycle;
  70         }
  71     }
  72
  73     void
  74     setStaticInst(const StaticInstPtr &_staticInst)
  75     {
  76         staticInst = _staticInst;
  77     }
  78     void setPC(Addr _pc) { PC = _pc; }
  79 };
  80
  81 class InOrderTrace : public InstTracer
  82 {
  83   public:
  84     InOrderTrace(const InOrderTraceParams *p) : InstTracer(p)
  85     {}
  86
  87     InOrderTraceRecord *
  88     getInstRecord(unsigned num_stages, bool stage_tracing, ThreadContext *tc);
  89
  90     virtual InOrderTraceRecord *getInstRecord(Tick when, ThreadContext *tc,
  91             const StaticInstPtr staticInst, Addr pc,
  92             const StaticInstPtr macroStaticInst = NULL, MicroPC upc = 0);
  93 };
  94
  95 /* namespace Trace */ }
  96
  97 #endif // __CPU_INORDER_INORDER_TRACE_HH__