Simulator Configuration Guide for Synopsys Models

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Chapter 1: Using Synopsys Models with SimulatorsSimulator Configuration GuideTable 5: DesignWare Memory Model SWIFT Parameters (Continued)Parameter Usage Valid Values, Examples, &DefaultsModelAliasThis is the same as the ModelId, except thatyou can use a unique string that is easier foryou to remember than a ModelId integer.The ModelAlias is also handy for logicaladdress mapping. For example, if you hadfour 8-bit memory devices strung togetherin a design, you could alias their modelnames so that you can sequence testbenchcommands to the models correctly:● first_mem●●●second_memthird_memfourth_memValid values are quoted strings.Example: “first_mem”Default: None. If you don’t specifya ModelAlias, this feature isdisabled.Note: The default value in themodel wrapper file is “.”, which justmeans that this feature is off.TimingVersionUse this parameter to specify the timingversion that a model instance uses whenscheduling changes on its outputs orchecking setup and hold times on its inputs.Note: If you set this parameter to “none”,the model operates in function-only mode,with no timing.Valid values are the timing versionssupported by the model, in quotedstrings, or “none”, which specifiesfunction-only model operation.Example: “7A”Default: Timing is on. The defaultspeed-grade is model-specific—seethe model wrapper file.Note: For a list of supportedcomponents or timing versions, seethe individual model datasheets.DelayRangeUse this parameter to specify a propagationdelay range for a model instance.Valid values are “min”, “typ”, and“max.”Example: “TYP”Default: “max”Note: This setting in not casesensitive.30 Synopsys, Inc. October 6, 2003
Simulator Configuration GuideChapter 1: Using Synopsys Models with SimulatorsTable 5: DesignWare Memory Model SWIFT Parameters (Continued)Parameter Usage Valid Values, Examples, &DefaultsMemoryFileMessageLevelUse this parameter to specify the file nameof a memory image file to load atsimulation startup for a model instance.Use this parameter to control the type ofmessages issued by the model instanceduring simulation.In general, the higher the decimal numberyou specify, the more messages you get.Each message type has an associateddecimal value. Add the decimal valuestogether for all the message types that youwant the model to generate, and use thatnumber to configure the MessageLevelparameter. Here are the decimal values forthe different types of messages:Message Type Decimal ValueError 1Warning 2Timing 4X-handling 8Info 16Total ............................. 31This file must be a simple text file inthe Synopsys memory image file(MIF) format or Verilog $readmemhformat. Specify the file name in aquoted string.Example: “./mem.dat”Default: None. If you don’t specifya MemoryFile, this feature isdisabled.Note: The default value in themodel wrapper file is “.”, which justmeans that this feature is off.Valid values are positive integersbetween 1 and 31 within quotedstrings that represent the decimalvalues of the bit mask for eachmessage type.Examples: For example, set thisparameter to “11” to enable Error(1), Warning (2), and X-handling(8) messages.Or, set this parameter to “5” toenable just Error (1) and Timing (4)messages.Default: “15”.The default value of “15” causes themodels to generate messages inthese categories:Error (1)Warning (2)Timing (4)X-handling (8)Info messages are disabled bydefault. To enable them, add thedecimal value 16 to your sum forthis parameter.Note: Fatal messages are alwaysenabled.October 6, 2003 Synopsys, Inc. 31
Page 1: Simulator ConfigurationGuide for Sy
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Page 10 and 11: TablesSimulator Configuration Guide
Page 12 and 13: PrefaceSimulator Configuration Guid
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Chapter 4: Using ModelSim VHDL with
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Chapter 5: Using NC-Verilog with Sy
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Chapter 9: Using VERA with Synopsys
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Chapter 10: Using SystemC with Syno
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Appendix A: Using LMTV with Synopsy
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Appendix B: Using Custom Memory Mod
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IndexSimulator Configuration Guide$
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