Simulator Configuration Guide for Synopsys Models

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Chapter 7: Using QuickSim II with Synopsys ModelsSimulator Configuration GuideRebuilding the Mentor Graphics TreeThe final step is to rebuild the Mentor Graphics tree using the Mentor Graphicsinstallation script.Using install, version C.11. To invoke this program, enter the following:% cd mgc_home/install8 ./install2. When the install tool appears, use the mouse to select the Admin > Rebuild MGCTree pull-down menu item. The program prompts you to enter the MGC treepathname.3. If you have defined $MGC_HOME, that path will appear; otherwise, enter the fullpathname of the Mentor Graphics tree that you want to rebuild, such as themgc_home pathname described in “Rebuilding the Mentor Graphics Tree” onpage 166.4. Click on OK or press the Return key to accept this pathname. The install programtakes several minutes to rebuild the Mentor Graphics tree. The program prints anumber of messages to the Results screen. You should ensure that no errors orwarnings are printed, especially warnings generated by the lmc_hm packageindicating that you are missing certain Mentor Graphics software packages.5. When the rebuild is complete, click on OK to delete the Results screen.6. Use the mouse to select the File > Exit pull-down menu item.This completes the ModelAccess installation procedure. You are now ready to beginmodel registration and simulation.Using Hardware Models in QuickSim IIThis section describes how to prepare and use hardware models in QuickSim II. Webegin with an overview of the Mentor Graphics design environment that describes whymodels must be registered in order to function in this environment. The section alsodescribes how to use the lm_model utility to register hardware models.The operation of the hardware modeling system during simulation is transparent to theuser in most respects. However, a number of signal instance commands are available toenable or disable QuickSim II or hardware modeling features for selected instancesduring simulation. This section provides descriptions and examples of those commands.166 Synopsys, Inc. October 6, 2003
Simulator Configuration GuideChapter 7: Using QuickSim II with Synopsys ModelsThe Mentor Graphics Design EnvironmentIn the post-V8.0 QuickSim-family environment, an instance of a component placed on aschematic references a component interface. A component interface contains a set ofdescriptors that define aspects of a component, such as its functionality, graphicalrepresentation (symbol), and timing constraints.There can be several variations of each descriptor for a component, such as:●●●Several functional descriptions of the component using different modeling methodssuch as BLM, VHDL, or hardware models.Several graphical descriptions (symbols) of the component such as ANSI,MG_STD, or your company standard.Several technology descriptions (timing constraints) of the component withdifferent timing grades.The Mentor Graphics analysis tools use the value of the MODEL property as a label toidentify the descriptors that define the model. For example, Figure 7 shows an instancewith a MODEL property of $lm. The $lm label is the default label for the functionaldescription of a hardware model. By examining the model table of the componentinterface, a match can be found between the MODEL property and the files thatcomprise the functional description of the hardware model.October 6, 2003 Synopsys, Inc. 167
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PrefaceSimulator Configuration Guid
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Chapter 1: Using Synopsys Models wi
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Chapter 2: Using VCS with Synopsys
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Chapter 3: Using ModelSim Verilog w
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Chapter 10: Using SystemC with Syno
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Appendix A: Using LMTV with Synopsy
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Appendix B: Using Custom Memory Mod
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