ModelSim SE User's Manual - Electrical and Computer Engineering

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UM-472 20 - Tcl and macros (DO files) Introduction Tcl features within ModelSim Tcl References ModelSim SE User’s Manual This chapter provides an overview of Tcl (tool command language) as used with ModelSim. Macros in ModelSim are simply Tcl scripts that contain ModelSim and, optionally, Tcl commands. Tcl is a scripting language for controlling and extending ModelSim. Within ModelSim you can develop implementations from Tcl scripts without the use of C code. Because Tcl is interpreted, development is rapid; you can generate and execute Tcl scripts on the fly without stopping to recompile or restart ModelSim. In addition, if ModelSim does not provide the command you need, you can use Tcl to create your own commands. Using Tcl with ModelSim gives you these features: command history (like that in C shells) full expression evaluation and s upport for all C-language operators a full range of math and trig functions support of lists and arrays regular expression pattern matching procedures the ability to define your own commands command substitution (that is, commands may be nested) robust scripting language for macros Two books about Tcl are Tcl and the Tk Toolkit by John K. Ousterhout, published by Addison-Wesley Publishing Company, Inc., and Practical Programming in Tcl and Tk by Brent Welch published by Prentice Hall. You can also consult the following online references: Select Help > Tcl Man Pages. The Model Technology web site lists a variety of Tcl resources: www.model.com/resources/tcltk.asp
Tcl commands Tcl commands UM-473 For complete information on Tcl commands, select Help > Tcl Man Pages. Also see "Preference variables located in Tcl files" (UM-540) for information on Tcl variables. ModelSim command names that conflict with Tcl commands have been renamed or have been replaced by Tcl commands. See the list below: Previous ModelSim command Command changed to (or replaced by) continue run (CR-252) with the -continue option format list | wave write format (CR-422) with either list or wave specified if replaced by the Tcl if command, see "if command syntax" (UM- 476) for more information list add list (CR-48) nolist | nowave delete (CR-146) with either list or wave specified set replaced by the Tcl set command, see "set command syntax" (UM-477) for more information source vsource (CR-393) wave add wave (CR-52) ModelSim SE User’s Manual
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ModelSim® Advanced Verification an
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Table of Contents 1 - Introduction
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Delta delays . . . . . . . . . . .
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ModelSim Verilog system tasks and f
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VHDL: instantiating SystemC . . . .
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Creating waveforms from patterns .
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14 - PSL Assertions (UM-359) What a
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17 - Signal Spy (UM-417) Introducti
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Starting the debugger . . . . . . .
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Steps in flow . . . . . . . . . . .
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1 - Introduction Chapter contents M
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ModelSim simulation task overview M
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Basic steps for simulation UM-25 Li
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ModelSim modes of operation ModelSi
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ModelSim graphic interface overview
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Sections in this document Sections
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Sections in this document UM-33 H -
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Where to find our documentation Whe
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2 - Projects Chapter contents Intro
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Project conversion between versions
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workspace Getting started with proj
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Step 3 — Compiling the files Gett
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The Project tab Sorting the list Th
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Grouping files Changing compile ord
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Optimization Configurations Creatin
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Organizing projects with folders UM
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Specifying file properties and proj
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Accessing projects from the command
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3 - Design libraries Chapter conten
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Archives Design library overview UM
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Managing library contents Working w
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Moving a library Working with desig
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Alternate IEEE libraries supplied R
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Referencing source files with locat
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Importing FPGA libraries Importing
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4 - VHDL simulation Chapter content
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Compiling VHDL files Creating a des
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Differences between language versio
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Compiling VHDL files UM-77 bit stri
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Default binding Simulating VHDL des
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Simulating VHDL designs UM-81 In th
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Creating an elaboration file Loadin
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Example Simulating with an elaborat
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Controlling checkpoint file compres
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Using STD_INPUT and STD_OUTPUT with
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Reading and writing hexadecimal num
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VITAL specification and source code
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Compiling and simulating with accel
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init_signal_driver() init_signal_sp
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to_time() Util package UM-99 to_tim
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Modeling memory ’87 and ’93 exa
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if (mwrite = '1') then ram(address)
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BEGIN return mem(to_integer(addr));
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BEGIN FOR i IN 0 TO 1023 LOOP we
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Converting an integer into a bit_ve
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5 - Verilog simulation Chapter cont
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Introduction ModelSim Verilog basic
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Incremental compilation Compiling V
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Library usage Compiling Verilog fil
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Verilog-XL compatible compiler argu
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Compiling Verilog files UM-121 The
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Verilog generate statements Compili
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Naming the optimized design Optimiz
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Optimizing Verilog designs UM-127 I
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Simulating Verilog designs Simulato
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`timescale, -t, and rounding Simula
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Simulating Verilog designs UM-133 T
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Simulating Verilog designs UM-135 M
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+pulse_e_style_onevent +pulse_int_e
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Creating an elaboration file Loadin
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Example Simulating with an elaborat
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Controlling checkpoint file compres
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Distributed delay mode In distribut
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System tasks and functions UM-147 a
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File I/O tasks $fclose $fopen $fwri
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System tasks and functions UM-151 T
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Compiler directives Compiler direct
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ModelSim compiler directives The fo
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Determining which memories were imp
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6 - SystemC simulation Chapter cont
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Supported platforms and compiler ve
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Usage flow for SystemC-only designs
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Code modification examples Compilin
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Example 3 Compiling SystemC files U
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Restrictions on compiling with HP a
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Issues with C++ templates Templatiz
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Simulating SystemC designs Loading
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Initialization and cleanup of Syste
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Waveform compare Debugging the desi
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Debugging the design UM-179 The gdb
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Viewing FIFOs SystemC object and ty
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OSCI 2.1 features supported Differe
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Troubleshooting SystemC errors UM-1
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7 - Mixed-language simulation Chapt
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Usage flow for mixed-language simul
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Simulator resolution limit Runtime
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Mapping data types Verilog to VHDL
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VHDL to Verilog mappings Mapping da
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Channels Ports Verilog mapping sc_b
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Verilog sc_logic sc_bit bool SuX 'X
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SystemC VHDL sc_int, sc_uint bit_ve
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VHDL: instantiating Verilog Verilog
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The generic type is determined by t
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Verilog: instantiating VHDL VHDL in
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SystemC: instantiating Verilog Veri
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Example #2 SystemC: instantiating V
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}; } #endif // Connect ports chip->
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Example of parameter use format_cha
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SystemC: instantiating VHDL VHDL in
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Example SystemC: instantiating VHDL
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); END ringbuf; ARCHITECTURE RTL OF
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vgencomp component declaration vgen
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8 - WLF files (datasets) and virtua
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Saving a simulation to a WLF file O
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Managing multiple datasets WLF file
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Saving at intervals with Dataset Sn
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Virtual Objects (User-defined buses
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Virtual regions Virtual types Virtu
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9 - Waveform analysis Chapter conte
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Introduction Objects you can view W
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Wave window overview UM-241 Here is
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List window overview List window ov
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Measuring time with cursors in the
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Jumping to a signal transition Meas
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Zooming the Wave window display Zoo
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Searching in the Wave and List wind
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Using the Expression Builder for ex
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Formatting the Wave window Setting
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Formatting the Wave window UM-257 3
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Formatting the List window Setting
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Saving the window format Saving the
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Saving List window data to a file S
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Configuring new line triggering in
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Configuring new line triggering in
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Miscellaneous tasks Examining wavef
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Comparison Wizard Waveform Compare
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Test Dataset Waveform Compare UM-27
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Adding regions Waveform Compare UM-
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Clocked comparison Waveform Compare
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Viewing differences in the Wave win
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Compare icons Waveform Compare UM-2
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Comparing hierarchical and flattene
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10 - Generating stimulus with Wavef
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Getting started You can use Wavefor
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Creating waveforms from patterns Cr
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Editing waveforms GR-291 These comm
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Simulating directly from waveform e
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Driving simulation with the saved s
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Saving the waveform editor commands
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11 - Tracing signals with the Dataf
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Adding objects to the window Adding
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Exploring the connectivity of your
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Zooming and panning Zooming with to
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Tracing the source of an unknown (X
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Finding objects by name in the Data
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Printing on Windows platforms Selec
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Symbol mapping Symbol mapping UM-31
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Configuring window options Configur
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12 - Profiling performance and memo
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Getting started Memory allocation p
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Enabling the statistical sampling p
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Interpreting profiler data Interpre
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The Call Tree view Viewing profiler
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Viewing profile details Viewing pro
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Integration with Source windows Int
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Reporting profiler results Reportin
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13 - Measuring code coverage Chapte
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Supported types ModelSim code cover
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Enabling code coverage Enabling cod
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Enabling code coverage UM-339 Next,
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Viewing coverage data in the Source
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Toggle coverage Enabling Toggle cov
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3 Produce the report with the toggl
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Excluding objects from coverage Exc
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end instance Default filter file Ex
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XML output Reporting coverage data
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Instance report with line details R
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Coverage statistics details Conditi
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Coverage statistics details UM-357
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14 - PSL Assertions Chapter content
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PSL assertion language What are ass
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Using cover directives Using assert
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REF2); signal mem_state : memory_st
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} // Check the write cycle property
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Multi-clocked properties and defaul
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Using endpoints in HDL code Example
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Restrictions Clocking endpoints Usi
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Compiling and simulating assertions
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Enabling/disabling failure and pass
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Setting failure and pass limits Man
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Reporting on assertions Reporting o
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15 - Functional coverage with PSL a
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Compiling and simulating functional
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Weighting coverage directives Confi
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Viewing coverage directives in the
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Reporting functional coverage stati
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Tag Meaning Understanding aggregate
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Saving functional coverage data Sav
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Clearing functional coverage data C
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16 - C Debug Chapter contents Intro
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Supported platforms and gdb version
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Setting breakpoints Setting breakpo
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Stepping in C Debug Stepping in C D
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Identifying all registered function
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Auto find bp versus Auto step mode
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Debugging functions during elaborat
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VPI functions in initialization mod
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C Debug command reference C Debug c
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17 - Signal Spy Chapter contents In
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init_signal_driver Call only once S
Page 421 and 422: Example library IEEE, modelsim_lib;
Page 423 and 424: Arguments Related procedures Limita
Page 425 and 426: signal_force Syntax Returns Argumen
Page 427 and 428: signal_release Syntax Returns Argum
Page 429 and 430: $init_signal_driver Call only once
Page 431 and 432: Example `timescale 1 ps / 1 ps modu
Page 433 and 434: Related tasks Limitations Example N
Page 435 and 436: Related tasks Limitations Example N
Page 437 and 438: Example module testbench; reg relea
Page 439 and 440: 18 - Standard Delay Format (SDF) Ti
Page 441 and 442: SDF specification with the GUI Erro
Page 443 and 444: Resolving errors VHDL VITAL SDF UM-
Page 445 and 446: Examples Optional arguments can be
Page 447 and 448: REMOVAL is matched to $removal: SDF
Page 449 and 450: Optional conditions Timing check po
Page 451 and 452: Interconnect delays Interconnect de
Page 453 and 454: Mistaking a component or module nam
Page 455 and 456: 19 - Value Change Dump (VCD) Files
Page 457 and 458: Checkpoint/restore and writing VCD
Page 459 and 460: Example 3 — Mixed-HDL design Firs
Page 461 and 462: ModelSim VCD commands and VCD tasks
Page 463 and 464: A VCD file from source to output VH
Page 465 and 466: x) x* x+ x, $end #300 $dumpon 1! 0"
Page 467 and 468: Capturing port driver data Supporte
Page 469 and 470: Example VCD output from vcd dumppor
Page 471: 20 - Tcl and macros (DO files) Chap
Page 475 and 476: Tcl command syntax UM-475 7 If a wo
Page 477 and 478: set command syntax Tcl command synt
Page 479 and 480: Variable substitution System comman
Page 481 and 482: ModelSim Tcl time commands Conversi
Page 483 and 484: Tcl examples This is an example of
Page 485 and 486: } if {$windowName == ""} { # Dialog
Page 487 and 488: Macros (DO files) Creating DO files
Page 489 and 490: set vFilesExist 1 } shift } if {$vh
Page 491 and 492: Using the Tcl source command with D
Page 493 and 494: The Tcl Debugger Starting the debug
Page 495 and 496: Breakpoints The Tcl Debugger UM-495
Page 497 and 498: TclPro Debugger TclPro Debugger UM-
Page 499 and 500: A - ModelSim GUI changes Appendix c
Page 501 and 502: Main window changes UM-501 See "Cus
Page 503 and 504: Main window changes UM-503 File > O
Page 505 and 506: View menu The View menu has been re
Page 507 and 508: Tools menu The 6.0 Main window Tool
Page 509 and 510: List window changes File menu The L
Page 511 and 512: File menu See "Memory windows" (GR-
Page 513 and 514: View menu The Memory window > View
Page 515 and 516: Edit menu The Signals window > Edit
Page 517 and 518: View menu The Source window > File
Page 519 and 520: B - ModelSim variables Appendix con
Page 521 and 522: Environment variables Environment v
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Library mapping with environment va
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[Library] library path variables Va
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[vcom] VHDL compiler control variab
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[vsim] simulator control variables
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Preference variables located in INI
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Commonly used INI variables Prefere
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Force command defaults Preference v
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Variable precedence Variable preced
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Special considerations for the now
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C - Error and warning messages Appe
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ModelSim message system UM-547 Ther
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Exit codes The table below describe
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Miscellaneous messages Miscellaneou
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Miscellaneous messages UM-553 model
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VSIM license lost Message text Cons
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Suggested action Multiply defined s
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D - Verilog PLI / VPI / DPI Chapter
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Registering PLI applications Regist
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Registering VPI applications Exampl
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Registering DPI applications Regist
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For Windows only: Run a preliminary
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32-bit Linux platform Compiling and
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gcc compiler gcc -c -I//modeltech/i
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For DPI imports 64-bit IBM RS/6000
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32-bit Linux platform Compiling and
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64-bit Solaris platform Compiling a
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64-bit IBM RS/6000 platform DPI spe
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Loading shared objects with global
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VPI example The following example i
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The PLI callback reason argument Th
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The sizetf callback function The si
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Third party PLI applications Third
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IEEE Std 1364 ACC routines IEEE Std
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IEEE Std 1364 TF routines IEEE Std
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SystemVerilog DPI access routines S
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Verilog-XL compatible routines Veri
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PLI/VPI tracing The purpose of trac
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Debugging PLI/VPI/DPI application c
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E - ModelSim shortcuts Appendix con
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Main and Source window mouse and ke
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Keystrokes - UNIX Keystrokes - Wind
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Wave window mouse and keyboard shor
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F - System initialization Appendix
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Environment variables accessed duri
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Initialization sequence Initializat
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G - Logic Modeling SmartModels Appe
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Creating foreign architectures with
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Vector ports Entity details VHDL Sm
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SmartModel Windows VHDL SmartModel
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Verilog SmartModel interface Verilo
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H - Logic Modeling hardware models
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Creating foreign architectures with
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Vector ports Architecture details V
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End-User License Agreement IMPORTAN
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COMPLIED WITH THIS AGREEMENT. MENTO
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Graphics shall only use or disclose
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Index CR = Command Reference, UM =
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Stop on quit mode UM-414 C Debug se
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mem search CR-204 modelsim CR-206 n
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ange checking in VHDL CR-316, UM-74
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Add Folder GR-47 C Debug setup GR-9
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F -f CR-360 F8 function key UM-607
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Verilog modules UM-125 VHDL subprog
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Memory window GR-169 GUI changes UM
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optimizing Verilog designs design o
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eaders and drivers UM-303 readers c
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adix specifying for examine CR-163
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system tasks VCD UM-461 Verilog UM-
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U -u CR-365 unbound component GR-53
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library clause UM-64 mixed designs
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text editing UM-605 windows Active
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