Simulator Configuration Guide for Synopsys Models

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Chapter 4: Using ModelSim VHDL with Synopsys ModelsSimulator Configuration GuideAttentionTo use the bused model wrapper, you must add appropriate componentdeclarations to your testbench or edit a component file already included inyour testbench for multiple SWIFT models, specifying ports and generics asrequired.12. Instantiate the model in your design using either the bit-blasted wrapper(model_mx) or the bused wrapper (model_mx_bw). Define the ports and SWIFTparameters as needed. The wrapper files include default values for the requiredSWIFT parameters. You can override these values as needed in your testbench. Fordetails on the required SWIFT parameters and DWMM instantiation examples, see“DesignWare Memory Model SWIFT Parameters” on page 29.HintFor model-specific instantiation examples, see the individual modeldatasheets. You can copy the model instantiation directly from the modeldatasheet and paste it into your testbench. Be sure to map signal names in yourdesign to the model’s ports. You can access the model datasheet for yourmodel version using the sl_browser tool ($LMC_HOME/bin/sl_browser).13. Compile your testbench (example assumes you are in its directory):% vcom -93 testbench.vhd14. Invoke MTI VHDL and simulate your design:% vsim testbench_configurationFor information on how to use ModelSim VHDL, refer to the ModelSim User’sManual.Using Hardware Models with ModelSimVHDLTo use hardware models with ModelSim VHDL, follow this procedure:1. Make sure ModelSim VHDL is set up properly, and all required environmentvariables are set, as explained in “Setting Environment Variables” on page 73.2. Add the hardware model install tree to your path variable, as shown in the followingexample:% set path=(/install/sms/bin/your_platform/ $path)84 Synopsys, Inc. October 6, 2003
Simulator Configuration GuideChapter 4: Using ModelSim VHDL with Synopsys Models3. Open the modelsim.ini file in a text editor, and edit the line for Resolution, as shownin the following example:Resolution = 100ps4. Modify the modelsim.ini or project_name.mpf file to include the hardwaremodeling information. Locate the line:[lmc]Remove the semicolons from the libhm line and the libsfi line you will be changingfor your platform. Provide the correct path for the SFI. For example:; ModelSim's interface to Logic Modeling's hardware modeler SFI softwarelibhm = $MODEL_TECH/libhm.sl; Logic Modeling's hardware modeler SFI software (HP 9000 Series 700)libsfi = hardware_model_install_path/lib/platform/libsfi.ext; Logic Modeling's hardware modeler SFI software (IBM RISC System/6000); libsfi = /lib/rs6000/libsfi.a; Logic Modeling's hardware modeler SFI software (Sun4 Solaris); libsfi = /lib/sun4.solaris/libsfi.so; Logic Modeling's hardware modeler SFI software (Sun4 SunOS); libsfi = /lib/sun4.sunos/libsfi.so;; libsfi = /lib/pcnt/lm_sfi.dllwhere ext is “so” for Solaris/SunOS and “a” for AIX, or “sl” for HP-UX.5. Run the hm_entity script to generate a .vhd file for the hardware model as shown inthe following example. For details on hm_entity, refer to “hm_entity CommandReference” on page 86.6. You are now ready to use the model in your simulation.ModelSim VHDL Example Using TILS299 HardwareModelHere is an example that uses the TILS299 hardware model. Follow these steps:1. Put the TILS299 hardware model in the testbench.2. Create a working library directory by invoking vsim -gui and selectingLibrary/Create. This creates a working directory called work.3. Compile the .vhd files, as shown in the following example:% vcom -work work TILS299.vhd TB_TILS299.vhdThis step compiles the two VHDL files and puts them in the specified work library.Note that the TILS299.vhd file must be specified first or you get an error becausethe TB_TILS299.vhd utilizes the TILS299 entity.October 6, 2003 Synopsys, Inc. 85
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PrefaceSimulator Configuration Guid
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Chapter 1: Using Synopsys Models wi
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Chapter 9: Using VERA with Synopsys
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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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Simulator Configuration Guide for Synopsys Models

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