Esempio n. 1
0
 /** Responsible for traversing within a design */
 @Override
 protected void traverse(Design node) {
   if (_schedule.db) _schedule.ln(_schedule.GDA, "Traversing Design " + node);
   for (Task task : node.getTasks()) {
     ((Visitable) task).accept(this);
   }
 }
Esempio n. 2
0
  public void stateLogic(Module module, StateMachine mach, Design design) {
    /*
     * if(allGos) begin <statements> end
     */
    SequentialBlock AllGos = new SequentialBlock();
    ConditionalStatement ifAllGos = new ConditionalStatement(mach.getAllGoWire(), AllGos);

    // benchNumReads = benchNumReads + 1; //
    AllGos.add(
        new Assign.Blocking(
            benchNumReads,
            new org.xronos.openforge.verilog.model.Math.Add(
                benchNumReads, new Constant(1, benchNumReads.getWidth()))));
    // benchInReadZone = 1; //
    AllGos.add(new Assign.Blocking(benchInReadZone, new Constant(1, benchInReadZone.getWidth())));

    /*
     * if(benchWorkInProgress === 0) begin benchWorkInProgress = 1;
     * benchFirstReadCycle = benchClockCount ; end
     */
    SequentialBlock bwp = new SequentialBlock();
    bwp.add(new Assign.Blocking(benchWorkInProgress, new Constant(1, benchInReadZone.getWidth())));
    bwp.add(new Assign.Blocking(benchFirstReadCycle, benchClockCount));

    Compare.EQ eq1 =
        new Compare.EQ(benchWorkInProgress, new Constant(0, benchWorkInProgress.getWidth()));
    ConditionalStatement ifbwp = new ConditionalStatement(eq1, bwp);
    AllGos.add(ifbwp);

    // benchReadZoneCyclesCounterSave = benchReadZoneCyclesCounter;
    AllGos.add(new Assign.Blocking(benchReadZoneCyclesCounterSave, benchReadZoneCyclesCounter));
    // benchCoreCyclesCounter = 0;
    AllGos.add(
        new Assign.Blocking(
            benchCoreCyclesCounter, new Constant(0, benchCoreCyclesCounter.getWidth())));

    /*
     * if(benchInWriteZone === 1) begin benchWriteZoneCycles =
     * benchWriteZoneCycles + benchWrietZoneCyclesCounterSave + 1;
     * benchWriteZoneCYlcesCounter = 0; benchInWriteZone = 0; end
     */
    SequentialBlock bwz = new SequentialBlock();
    bwz.add(
        new Assign.Blocking(
            benchWriteZoneCycles,
            new Math.Add(
                new Math.Add(benchWriteZoneCycles, benchWriteZoneCyclesCounterSave),
                new Constant(1, 32))));
    bwz.add(
        new Assign.Blocking(
            benchWriteZoneCyclesCounter, new Constant(0, benchWriteZoneCyclesCounter.getWidth())));
    bwz.add(new Assign.Blocking(benchInWriteZone, new Constant(0, benchInWriteZone.getWidth())));
    Compare.EQ eq2 = new Compare.EQ(benchInWriteZone, new Constant(1, benchInWriteZone.getWidth()));
    ConditionalStatement ifbwz = new ConditionalStatement(eq2, bwz);
    AllGos.add(ifbwz);

    /*
     * if(benchIdleFlag == 1) begin benchIdleCycles = benchIdleCycles +
     * benchIdleCyclesCounter - 1; benchIdleFlag = 0; end
     */
    SequentialBlock bif = new SequentialBlock();
    bif.add(
        new Assign.Blocking(
            benchIdleCycles,
            new Math.Subtract(
                new Math.Add(benchIdleCycles, benchIdleCyclesCounter),
                new Constant(1, benchIdleCycles.getWidth()))));
    bif.add(new Assign.Blocking(benchIdleFlag, new Constant(0, benchIdleFlag.getWidth())));
    Compare.EQ eq3 = new Compare.EQ(benchIdleFlag, new Constant(1, benchIdleFlag.getWidth()));
    ConditionalStatement ifbif = new ConditionalStatement(eq3, bif);
    AllGos.add(ifbif);

    /*
     * if(allDones) begin <statements> end
     */
    SequentialBlock AllDones = new SequentialBlock();
    ConditionalStatement ifAllDones = new ConditionalStatement(mach.getAllDoneWire(), AllDones);

    // benchNumWrites = benchNumWrites + 1; //
    AllDones.add(
        new Assign.Blocking(
            benchNumWrites,
            new Math.Add(benchNumWrites, new Constant(1, benchNumWrites.getWidth()))));
    // benchInWriteZone = 1; //
    AllDones.add(
        new Assign.Blocking(benchInWriteZone, new Constant(1, benchInWriteZone.getWidth())));

    /*
     * if(benchInReadZone === 1) begin benchReadZoneCycles =
     * benchReadZoneCycles + benchReadZoneCyclesCounterSave + 1;
     * benchReadZoneCyclesCounter = 0; benchInReadZone = 0;
     * benchWriteZoneCyclesCounter = 0; benchCoreCycles = benchCoreCycles +
     * benchCoreCyclesCounetr end
     */
    SequentialBlock brz = new SequentialBlock();
    brz.add(
        new Assign.Blocking(
            benchReadZoneCycles,
            new Math.Add(
                new Math.Add(benchReadZoneCycles, benchReadZoneCyclesCounterSave),
                new Constant(1, benchReadZoneCycles.getWidth()))));
    brz.add(
        new Assign.Blocking(
            benchReadZoneCyclesCounter, new Constant(0, benchReadZoneCyclesCounter.getWidth())));
    brz.add(new Assign.Blocking(benchInReadZone, new Constant(0, benchInReadZone.getWidth())));
    brz.add(
        new Assign.Blocking(
            benchWriteZoneCyclesCounter, new Constant(0, benchWriteZoneCyclesCounter.getWidth())));
    brz.add(
        new Assign.Blocking(
            benchCoreCycles, new Math.Add(benchCoreCycles, benchCoreCyclesCounter)));
    Compare.EQ eq4 = new Compare.EQ(benchInReadZone, new Constant(1, benchInReadZone.getWidth()));
    ConditionalStatement ifbrz = new ConditionalStatement(eq4, brz);
    AllDones.add(ifbrz);

    /*
     * if(allGos==1) begin benchCoreCycles = benchCoreCycles + 1; end
     */
    AllDones.add(
        new ConditionalStatement(
            new Compare.EQ(mach.getAllGoWire(), new Constant(1, 1)),
            new Assign.Blocking(
                benchCoreCycles,
                new Math.Add(benchCoreCycles, new Constant(1, benchCoreCycles.getWidth())))));

    // benchWriteZoneCyclesCounterSave = benchWriteZoneCyclesCounter;
    AllDones.add(new Assign.Blocking(benchWriteZoneCyclesCounterSave, benchWriteZoneCyclesCounter));
    // benchLastWriteCycle = benchClockCount + 1;
    AllDones.add(
        new Assign.Blocking(
            benchLastWriteCycle,
            new Math.Add(benchClockCount, new Constant(1, benchClockCount.getWidth()))));
    // benchIdleFlag = 1;
    AllDones.add(new Assign.Blocking(benchIdleFlag, new Constant(1, benchIdleFlag.getWidth())));
    // benchIdleCyclesCounter = 0;
    AllDones.add(
        new Assign.Blocking(
            benchIdleCyclesCounter, new Constant(0, benchIdleCyclesCounter.getWidth())));

    /*
     * if(done) begin <statements> end
     */
    SequentialBlock done = new SequentialBlock();
    ConditionalStatement ifdone = new ConditionalStatement(mach.getDone(), done);

    // benchWriteZoneCycles = benchWriteZoneCycles +
    // benchWriteZoneCyclesCounterSave + 1;
    done.add(
        new Assign.Blocking(
            benchWriteZoneCycles,
            new Math.Add(
                new Math.Add(benchWriteZoneCycles, benchWriteZoneCyclesCounterSave),
                new Constant(1, benchWriteZoneCycles.getWidth()))));
    // benchTotalCycles = benchLastWriteCycle - benchFirstReadCycle;
    done.add(
        new Assign.Blocking(
            benchTotalCycles, new Math.Subtract(benchLastWriteCycle, benchFirstReadCycle)));

    // Find the number of input bytes and number of outputbytes //
    Collection<Task> tasks = design.getTasks();
    // System.out.println("Number of tasks = " + tasks.size());
    int inputsize = 0, outputsize = 0;
    Iterator<Task> iter = tasks.iterator();
    while (iter.hasNext()) {
      Task task = iter.next();
      Call call = task.getCall();

      for (Port port : call.getDataPorts()) {
        inputsize += port.getSize();
      }

      // System.out.println("Input Size Bits = " + inputsize);

      for (Bus bus : call.getExit(Exit.DONE).getDataBuses()) {
        outputsize += bus.getSize();
      }

      // System.out.println("Output Size Bits = " + outputsize);
    }
    Constant benchArgSizeBytes = new Constant(inputsize / 8, 32);
    Constant benchResSizeBytes = new Constant(outputsize / 8, 32);

    Constant hunderd = new Constant(100, 32);

    // benchThroughput = (benchNumReads *
    // benchArgSizeBits/8.0)/(benchTotalCycles);
    done.add(
        new Assign.Blocking(
            benchThroughput,
            new Math.Divide(
                new Math.Multiply(benchNumReads, benchArgSizeBytes), benchTotalCycles)));
    // benchOverallInputUtil = (benchNumReads / benchTotalCycles) * 100.0;
    done.add(
        new Assign.Blocking(
            benchOverallInputUtil,
            new Math.Multiply(new Math.Divide(benchNumReads, benchTotalCycles), hunderd)));

    // benchOverallOutputUtil = (benchNumWrites / benchTotalCycles) * 100.0;
    done.add(
        new Assign.Blocking(
            benchOverallOutputUtil,
            new Math.Multiply(new Math.Divide(benchNumWrites, benchTotalCycles), hunderd)));

    // benchOverallCoreUtil = (benchCoreCycles / benchTotalCycles) * 100.0;
    done.add(
        new Assign.Blocking(
            benchOverallCoreUtil,
            new Math.Multiply(new Math.Divide(benchCoreCycles, benchTotalCycles), hunderd)));

    // benchIdlePercentage = (benchIdleCycles / benchTotalCycles) * 100.0;
    done.add(
        new Assign.Blocking(
            benchIdlePercentage,
            new Math.Multiply(new Math.Divide(benchIdleCycles, benchTotalCycles), hunderd)));

    // benchZoneInputUtil = (benchNumReads/benchReadZoneCycles) * 100.0;
    done.add(
        new Assign.Blocking(
            benchZoneInputUtil,
            new Math.Multiply(new Math.Divide(benchNumReads, benchReadZoneCycles), hunderd)));

    // benchZoneOutputUtil = (benchNumWrites/benchWriteZoneCycles) * 100.0;
    done.add(
        new Assign.Blocking(
            benchZoneOutputUtil,
            new Math.Multiply(new Math.Divide(benchNumWrites, benchWriteZoneCycles), hunderd)));

    // benchZoneCoreUtil = (benchCoreCycles/benchCoreCycles) * 100.0;
    done.add(
        new Assign.Blocking(
            benchZoneCoreUtil,
            new Math.Multiply(new Math.Divide(benchCoreCycles, benchCoreCycles), hunderd)));

    // WUSIWUG ! //
    CommaDelimitedStatement cds = new CommaDelimitedStatement();
    cds.append(
        new StringStatement("**********************************************************\\n"));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    cds = new CommaDelimitedStatement();
    cds.append(
        new StringStatement("******************** BENCHMARK REPORT ********************\\n"));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    cds = new CommaDelimitedStatement();
    cds.append(
        new StringStatement("**********************************************************\\n"));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Total Number of Cycles               : %0d\n", benchClockCount);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Total Number of Cycles               : %0d\\n"));
    cds.append(benchClockCount);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Data Crunching Cycles                : %0d\n", benchTotalCycles);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Data Crunching Cycles                : %0d\\n"));
    cds.append(benchTotalCycles);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Number of Idle Cycles                : %0d\n", benchIdleCycles);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Number of Idle Cycles                : %0d\\n"));
    cds.append(benchIdleCycles);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Number of Reads                      : %0d\n", benchNumReads);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Number of Reads                      : %0d\\n"));
    cds.append(benchNumReads);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Bytes Consumed                       : %0g\n", benchNumReads *
    // benchArgSizeBits/8.0);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Bytes Consumed                       : %0d\\n"));
    cds.append(new Math.Multiply(benchNumReads, benchArgSizeBytes));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Number of Writes                     : %0d\n", benchNumWrites);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Number of Writes                     : %0d\\n"));
    cds.append(benchNumWrites);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Bytes Produced                       : %0g\n", benchNumWrites *
    // benchResSizeBits/8.0);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Bytes Produced                       : %0d\\n"));
    cds.append(new Math.Multiply(benchNumWrites, benchResSizeBytes));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "First Read Cycle                     : %0d\n", benchFirstReadCycle);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("First Read Cycle                     : %0d\\n"));
    cds.append(benchFirstReadCycle);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Last Write Cycle                     : %0d\n", benchLastWriteCycle);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Last Write Cycle                     : %0d\\n"));
    cds.append(benchLastWriteCycle);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Throughput(Bytes Consumed/Cycle)     : %0g\n", benchThroughput);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Throughput(Bytes Consumed/Cycle)     : %0g\\n"));
    cds.append(benchThroughput);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "****** Overall *******************************************\n");
    cds = new CommaDelimitedStatement();
    cds.append(
        new StringStatement("****** Overall *******************************************\\n"));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    // $fwrite (benchmarkReportFile,
    // "Overall Input Link Utilization       : %0g\n",
    // benchOverallInputUtil);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Overall Input Link Utilization       : %0g\\n"));
    cds.append(benchOverallInputUtil);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "Overall Core Utilization             : %0g\n",
    // benchOverallCoreUtil);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Overall Core Utilization             : %0g\\n"));
    cds.append(benchOverallCoreUtil);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "Overall Output Link Utilization      : %0g\n",
    // benchOverallOutputUtil);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Overall Output Link Utilization      : %0g\\n"));
    cds.append(benchOverallOutputUtil);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "Percentage of Idle Cycles            : %0g\n", benchIdlePercentage);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Percentage of Idle Cycles            : %0g\\n"));
    cds.append(benchIdlePercentage);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "******** Zonal *******************************************\n");
    cds = new CommaDelimitedStatement();
    cds.append(
        new StringStatement("******** Zonal *******************************************\\n"));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "Zone Input Link Utilization          : %0g\n", benchZoneInputUtil);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Zone Input Link Utilization          : %0g\\n"));
    cds.append(benchZoneInputUtil);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "Zone Core Utilization                : %0g\n", benchZoneCoreUtil);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Zone Core Utilization                : %0g\\n"));
    cds.append(benchZoneCoreUtil);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "Zone Output Link Utilization         : %0g\n", benchZoneOutputUtil);
    cds = new CommaDelimitedStatement();
    cds.append(new StringStatement("Zone Output Link Utilization         : %0g\\n"));
    cds.append(benchZoneOutputUtil);
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));
    // $fwrite (benchmarkReportFile,
    // "**********************************************************\n");
    cds = new CommaDelimitedStatement();
    cds.append(
        new StringStatement("**********************************************************\\n"));
    done.add(new FStatement.FWrite(reportFile.getHandle(), cds));

    SequentialBlock sblock = new SequentialBlock();
    sblock.add(ifAllGos);
    sblock.add(ifAllDones);
    sblock.add(ifdone);

    // benchClockCount = benchClockCount + 1;
    sblock.add(
        new Assign.Blocking(
            benchClockCount,
            new Math.Add(benchClockCount, new Constant(1, benchClockCount.getWidth()))));
    // benchIdleCyclesCounter = benchIdleFlag == 1 ? benchIdleCyclesCounter
    // + 1 : benchIdleCyclesCounter;
    sblock.add(
        new ConditionalStatement(
            new Compare.EQ(benchIdleFlag, new Constant(1, benchIdleFlag.getWidth())),
            new Assign.Blocking(
                benchIdleCyclesCounter,
                new Math.Add(
                    benchIdleCyclesCounter, new Constant(1, benchIdleCyclesCounter.getWidth()))),
            new Assign.Blocking(benchIdleCyclesCounter, benchIdleCyclesCounter)));
    // benchCoreCyclesCounter = benchCoreCyclesCounter + 1;
    sblock.add(
        new Assign.Blocking(
            benchCoreCyclesCounter,
            new Math.Add(
                benchCoreCyclesCounter, new Constant(1, benchCoreCyclesCounter.getWidth()))));
    // benchReadZoneCyclesCounter = benchInReadZone == 1 ?
    // benchReadZoneCyclesCounter + 1 : benchReadZoneCyclesCounter;
    sblock.add(
        new ConditionalStatement(
            new Compare.EQ(benchInReadZone, new Constant(1, benchInReadZone.getWidth())),
            new Assign.Blocking(
                benchReadZoneCyclesCounter,
                new Math.Add(
                    benchReadZoneCyclesCounter,
                    new Constant(1, benchReadZoneCyclesCounter.getWidth()))),
            new Assign.Blocking(benchReadZoneCyclesCounter, benchReadZoneCyclesCounter)));
    // benchWriteZoneCyclesCounter = benchInWriteZone == 1 ?
    // benchWriteZoneCyclesCounter + 1 : benchWriteZoneCyclesCounter;
    sblock.add(
        new ConditionalStatement(
            new Compare.EQ(benchInWriteZone, new Constant(1, benchInWriteZone.getWidth())),
            new Assign.Blocking(
                benchWriteZoneCyclesCounter,
                new Math.Add(
                    benchWriteZoneCyclesCounter,
                    new Constant(1, benchWriteZoneCyclesCounter.getWidth()))),
            new Assign.Blocking(benchWriteZoneCyclesCounter, benchWriteZoneCyclesCounter)));

    ProceduralTimingBlock ptb =
        new ProceduralTimingBlock(
            new EventControl(new EventExpression.PosEdge(mach.getClock())), sblock);

    module.state(new Always(ptb));
  }
Esempio n. 3
0
  private void generateKickers() {
    final GenericJob job = EngineThread.getGenericJob();
    final boolean blockIO = !job.getUnscopedBooleanOptionValue(OptionRegistry.NO_BLOCK_IO); // If
    // Do
    // BlockIO
    final boolean doBlockSched =
        !job.getUnscopedBooleanOptionValue(OptionRegistry.SCHEDULE_NO_BLOCK_SCHEDULING);
    final boolean moduleBuilder =
        EngineThread.getGenericJob().getUnscopedBooleanOptionValue(OptionRegistry.MODULE_BUILDER);

    final Map<String, Kicker> kickers = new HashMap<String, Kicker>();
    for (Task task : design.getTasks()) {
      final Call call = task.getCall();
      final String domainSpec =
          (String)
              ((OptionString) EngineThread.getGenericJob().getOption(OptionRegistry.CLOCK_DOMAIN))
                  .getValue(call.getSearchLabel());

      if (!task.isKickerRequired()) {
        // Ensure that the Go port is validly connected
        if (!call.getGoPort().isConnected()) {
          job.warn("Task " + call.showIDLogical() + " is not autostart and has no enabling signal");
          Constant constant = new SimpleConstant(0, 1, false);
          constant.pushValuesForward();
          call.getGoPort().setBus(constant.getValueBus());
          call.getGoPort().pushValueForward();
        }
        continue;
      }

      Kicker kicker;
      final String kickerKey;
      if (doBlockSched && !moduleBuilder) {
        // Connect up a KickerContinuous that will keep us running at
        // max rate indefinately. We expect only one task in block
        // io, but if we have more than one, we need individual
        // kickers so that we use the right clock/reset for each.
        kicker = new Kicker.KickerContinuous();
        // Use the kickers string b/c there will be a (unique)
        // feedback from the task done
        kickerKey = kicker.toString();
      } else if (blockIO) {
        boolean fbRequired = checkFeedback(call.getProcedure().getBody());
        // System.out.println("Generated perpetual kicker withT/withoutF "
        // + fbRequired + " feedback flop required");
        // Connect up a KickerPerpetual that will keep us running
        // indefinately. We expect only one task in block io, but
        // if we have more than one, each needs its own kicker
        // anyway (since we OR back in the done). We could use
        // just one kicker for all and put the OR external but
        // there is no Design level module to put this stuff in.
        // Argh!
        kicker = new Kicker.KickerPerpetual(fbRequired);
        // Use the kickers string b/c there will be a (unique)
        // feedback from the task done
        kickerKey = kicker.toString();
      } else {
        if (moduleBuilder) {
          continue;
        }

        // find a kicker that matches this calls clk and reset
        // kickerKey = call.getClockName() + call.getResetName();
        kickerKey = domainSpec;
        kicker = kickers.get(kickerKey);
        // if we didn't find it, construct a new one
        if (kicker == null) {
          kicker = new Kicker();
        }
      }
      if (!kickers.containsKey(kickerKey)) {
        kickers.put(kickerKey, kicker);
        design.addComponentToDesign(kicker);
        design.getClockDomain(domainSpec).connectComponentToDomain(kicker);
      }

      if (call.getGoPort().isUsed()) {
        call.getGoPort().setBus(kicker.getDoneBus());
      }

      if (kicker.getRepeatPort() != null) {
        Bus callDone = call.getExit(Exit.DONE).getDoneBus();
        if (!callDone.isUsed()) {
          // there is the off-chance that it has fixed timing
          // and thus needs no done. Create a sequence of flops
          // to bypass.
          if (!call.getLatency().isFixed()) {
            EngineThread.getEngine()
                .fatalError(
                    "Unexpected internal state.  Design does not have a control structure and has variable timing");
          }
          Bus done = kicker.getDoneBus();
          for (int i = 0; i < call.getLatency().getMinClocks(); i++) {
            // Needs RESET b/c it is in the control path
            Reg flop = Reg.getConfigurableReg(Reg.REGR, ID.showLogical(call) + "_go_done_" + i);
            design.getClockDomain(domainSpec).connectComponentToDomain(flop);
            flop.getInternalResetPort().setBus(flop.getResetPort().getBus());
            flop.getDataPort().setBus(done);
            // Ensure that we've constant propagated the flop
            flop.propagateValuesForward();
            done = flop.getResultBus();
            design.addComponentToDesign(flop);
          }
          callDone = done;
        }
        kicker.getRepeatPort().setBus(callDone);
      }
    }
  }
Esempio n. 4
0
  /**
   * Creates Pins on the design to connect each task's I/O.
   *
   * @param design the Design to be connected
   */
  @SuppressWarnings("deprecation")
  private void connectTasks(Design design) {
    // Map kickers = new HashMap();

    for (Task task : design.getTasks()) {
      Call call = task.getCall();

      // Note: when creating the InputPins, they are based on the related
      // procedure port instead of the call port, because the InputPin
      // needs
      // the Port's peer bus to get sizing information

      // might have a this port
      if (task.getCall().getThisPort() != null) {
        int width = task.getCall().getThisPort().getValue().getSize();

        /*
         * The base address of the top level object reference is always
         * 0, since it isn't actually stored in memory.
         */
        Constant constant = new SimpleConstant(0, width, false);
        task.setHiddenConstant(constant);
      }

      // If module_builder, then publish the ports, and don't use a kicker
      if (EngineThread.getGenericJob()
          .getUnscopedBooleanOptionValue(OptionRegistry.MODULE_BUILDER)) {
        // get the entry method
        EntryMethod em = call.getProcedure().getEntryMethod();

        Port go = call.getGoPort();
        if (go.isUsed()) {
          Pin p = connectInputPin(design, call, go, call.getGoName());
          if (em != null) {
            p.setApiPin(em.getGoPin());
          }
        }

        List<Port> dataPorts = new ArrayList<Port>(call.getDataPorts());

        // 'this' port is handled specially.
        dataPorts.remove(call.getThisPort());
        int index = 0;
        for (Port port : dataPorts) {
          if (port.getTag().equals(Component.NORMAL)) {
            if (port.isUsed()) {
              Pin p = connectInputPin(design, call, port, null);
              if (em != null) {
                p.setApiPin(em.getArgPin(index));
              }
            }
          }

          index++;
        }

        Exit exit = call.getExit(Exit.DONE);
        Bus done = exit.getDoneBus();
        if (done.isUsed()) {
          OutputPin pin = connectOutputPin(design, call, done, call.getProcedure().getDoneName());
          if (em != null) {
            pin.setApiPin(em.getDonePin());
          }
        }

        for (Bus bus : exit.getDataBuses()) {
          if (bus.getTag().equals(Component.NORMAL)) {
            if (bus.isUsed()) {
              OutputPin pin =
                  connectOutputPin(design, call, bus, call.getProcedure().getResultName());
              if (em != null) {
                pin.setApiPin(em.getResultPin());
              }
            }
          }
        }
      }
    }
  }