ModelSim SE User's Manual - Electrical and Computer Engineering

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UM-246 9 - Waveform analysis ModelSim SE User’s Manual Shortcuts for working with cursors There are a number of useful keyboard and mouse shortcuts related to the actions listed above: Select a cursor by clicking the cursor name. Jump to a "hidden" cursor (one that is out of view) by double-clicking the cursor name. Name a cursor by right-clicking the cursor name and entering a new value. Press after you have typed the new name. Move a locked cursor by holding down the key and then clicking-and-dragging the cursor. Move a cursor to a particular time by right-clicking the cursor value and typing the value to which you want to scroll. Press after you have typed the new value. Understanding cursor behavior Action Menu command Toolbar button Delete cursor Edit > Delete Cursor Lock cursor Edit > Edit Cursor NA Name cursor Edit > Edit Cursor NA Select cursor View > Cursors NA The following list describes how cursors "behave" when you click in various panes of the Wave window: If you click in the waveform pane, the cursor closest to the mouse position is selected and then moved to the mouse position. Clicking in a horizontal "track" in the cursor pane selects that cursor and moves it to the mouse position. Cursors "snap" to a waveform edge if y ou click or drag a cursor along the selected waveform to within ten pixels of a waveform edge. You can set the snap distance in the Window Preferences dialog. Select Tools > Options > Wave Preferences when the Wave window is docked in the Main window MDI frame. Select Tools > Window Preferences when the Wave window is a stand-alone, undocked window. You can position a cursor without snapping by dragging in the cursor pane below the waveforms.
Jumping to a signal transition Measuring time with cursors in the Wave window UM-247 You can move the active cursor to the next or previous transition on the selected signal using these two buttons on the toolbar: Find Previous Transition locate the previous signal value change for the selected signal Find Next Transition locate the next signal value change for the selected signal ModelSim SE User’s Manual
Page 1 and 2:
ModelSim® Advanced Verification an
Page 3 and 4:
Table of Contents 1 - Introduction
Page 5 and 6:
Delta delays . . . . . . . . . . .
Page 7 and 8:
ModelSim Verilog system tasks and f
Page 9 and 10:
VHDL: instantiating SystemC . . . .
Page 11 and 12:
Creating waveforms from patterns .
Page 13 and 14:
14 - PSL Assertions (UM-359) What a
Page 15 and 16:
17 - Signal Spy (UM-417) Introducti
Page 17 and 18:
Starting the debugger . . . . . . .
Page 19 and 20:
Steps in flow . . . . . . . . . . .
Page 21 and 22:
1 - Introduction Chapter contents M
Page 23 and 24:
ModelSim simulation task overview M
Page 25 and 26:
Basic steps for simulation UM-25 Li
Page 27 and 28:
ModelSim modes of operation ModelSi
Page 29 and 30:
ModelSim graphic interface overview
Page 31 and 32:
Sections in this document Sections
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Sections in this document UM-33 H -
Page 35 and 36:
Where to find our documentation Whe
Page 37 and 38:
2 - Projects Chapter contents Intro
Page 39 and 40:
Project conversion between versions
Page 41 and 42:
workspace Getting started with proj
Page 43 and 44:
Step 3 — Compiling the files Gett
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The Project tab Sorting the list Th
Page 47 and 48:
Grouping files Changing compile ord
Page 49 and 50:
Optimization Configurations Creatin
Page 51 and 52:
Organizing projects with folders UM
Page 53 and 54:
Specifying file properties and proj
Page 55 and 56:
Accessing projects from the command
Page 57 and 58:
3 - Design libraries Chapter conten
Page 59 and 60:
Archives Design library overview UM
Page 61 and 62:
Managing library contents Working w
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Moving a library Working with desig
Page 65 and 66:
Alternate IEEE libraries supplied R
Page 67 and 68:
Referencing source files with locat
Page 69 and 70:
Importing FPGA libraries Importing
Page 71 and 72:
4 - VHDL simulation Chapter content
Page 73 and 74:
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
Page 87 and 88:
Controlling checkpoint file compres
Page 89 and 90:
Using STD_INPUT and STD_OUTPUT with
Page 91 and 92:
Reading and writing hexadecimal num
Page 93 and 94:
VITAL specification and source code
Page 95 and 96:
Compiling and simulating with accel
Page 97 and 98:
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
Page 153 and 154:
Compiler directives Compiler direct
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ModelSim compiler directives The fo
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Determining which memories were imp
Page 159 and 160:
6 - SystemC simulation Chapter cont
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Supported platforms and compiler ve
Page 163 and 164:
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
Page 195 and 196: VHDL to Verilog mappings Mapping da
Page 197 and 198: Channels Ports Verilog mapping sc_b
Page 199 and 200: Verilog sc_logic sc_bit bool SuX 'X
Page 201 and 202: SystemC VHDL sc_int, sc_uint bit_ve
Page 203 and 204: VHDL: instantiating Verilog Verilog
Page 205 and 206: The generic type is determined by t
Page 207 and 208: Verilog: instantiating VHDL VHDL in
Page 209 and 210: SystemC: instantiating Verilog Veri
Page 211 and 212: Example #2 SystemC: instantiating V
Page 213 and 214: }; } #endif // Connect ports chip->
Page 215 and 216: Example of parameter use format_cha
Page 217 and 218: SystemC: instantiating VHDL VHDL in
Page 219 and 220: Example SystemC: instantiating VHDL
Page 221 and 222: ); END ringbuf; ARCHITECTURE RTL OF
Page 223 and 224: vgencomp component declaration vgen
Page 225 and 226: 8 - WLF files (datasets) and virtua
Page 227 and 228: Saving a simulation to a WLF file O
Page 229 and 230: Managing multiple datasets WLF file
Page 231 and 232: Saving at intervals with Dataset Sn
Page 233 and 234: Virtual Objects (User-defined buses
Page 235 and 236: Virtual regions Virtual types Virtu
Page 237 and 238: 9 - Waveform analysis Chapter conte
Page 239 and 240: Introduction Objects you can view W
Page 241 and 242: Wave window overview UM-241 Here is
Page 243 and 244: List window overview List window ov
Page 245: Measuring time with cursors in the
Page 249 and 250: Zooming the Wave window display Zoo
Page 251 and 252: Searching in the Wave and List wind
Page 253 and 254: Using the Expression Builder for ex
Page 255 and 256: Formatting the Wave window Setting
Page 257 and 258: Formatting the Wave window UM-257 3
Page 259 and 260: Formatting the List window Setting
Page 261 and 262: Saving the window format Saving the
Page 263 and 264: Saving List window data to a file S
Page 265 and 266: Configuring new line triggering in
Page 267 and 268: Configuring new line triggering in
Page 269 and 270: Miscellaneous tasks Examining wavef
Page 271 and 272: Comparison Wizard Waveform Compare
Page 273 and 274: Test Dataset Waveform Compare UM-27
Page 275 and 276: Adding regions Waveform Compare UM-
Page 277 and 278: Clocked comparison Waveform Compare
Page 279 and 280: Viewing differences in the Wave win
Page 281 and 282: Compare icons Waveform Compare UM-2
Page 283 and 284: Comparing hierarchical and flattene
Page 285 and 286: 10 - Generating stimulus with Wavef
Page 287 and 288: Getting started You can use Wavefor
Page 289 and 290: Creating waveforms from patterns Cr
Page 291 and 292: Editing waveforms GR-291 These comm
Page 293 and 294: Simulating directly from waveform e
Page 295 and 296: Driving simulation with the saved s
Page 297 and 298:
Saving the waveform editor commands
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11 - Tracing signals with the Dataf
Page 301 and 302:
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
Page 411 and 412:
Debugging functions during elaborat
Page 413 and 414:
VPI functions in initialization mod
Page 415 and 416:
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
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Example library IEEE, modelsim_lib;
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Arguments Related procedures Limita
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signal_force Syntax Returns Argumen
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signal_release Syntax Returns Argum
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$init_signal_driver Call only once
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Example `timescale 1 ps / 1 ps modu
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Related tasks Limitations Example N
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Related tasks Limitations Example N
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Example module testbench; reg relea
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18 - Standard Delay Format (SDF) Ti
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SDF specification with the GUI Erro
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Resolving errors VHDL VITAL SDF UM-
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Examples Optional arguments can be
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REMOVAL is matched to $removal: SDF
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Optional conditions Timing check po
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Interconnect delays Interconnect de
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Mistaking a component or module nam
Page 455 and 456:
19 - Value Change Dump (VCD) Files
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Checkpoint/restore and writing VCD
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Example 3 — Mixed-HDL design Firs
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ModelSim VCD commands and VCD tasks
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A VCD file from source to output VH
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x) x* x+ x, $end #300 $dumpon 1! 0"
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Capturing port driver data Supporte
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Example VCD output from vcd dumppor
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20 - Tcl and macros (DO files) Chap
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Tcl commands Tcl commands UM-473 Fo
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Tcl command syntax UM-475 7 If a wo
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set command syntax Tcl command synt
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Variable substitution System comman
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ModelSim Tcl time commands Conversi
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Tcl examples This is an example of
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} if {$windowName == ""} { # Dialog
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Macros (DO files) Creating DO files
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set vFilesExist 1 } shift } if {$vh
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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
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TclPro Debugger TclPro Debugger UM-
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A - ModelSim GUI changes Appendix c
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Main window changes UM-501 See "Cus
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Main window changes UM-503 File > O
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View menu The View menu has been re
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Tools menu The 6.0 Main window Tool
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List window changes File menu The L
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File menu See "Memory windows" (GR-
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View menu The Memory window > View
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Edit menu The Signals window > Edit
Page 517 and 518:
View menu The Source window > File
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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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Page 535 and 536:
Page 537 and 538:
Commonly used INI variables Prefere
Page 539 and 540:
Force command defaults Preference v
Page 541 and 542:
Variable precedence Variable preced
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Special considerations for the now
Page 545 and 546:
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
Page 555 and 556:
VSIM license lost Message text Cons
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Suggested action Multiply defined s
Page 559 and 560:
D - Verilog PLI / VPI / DPI Chapter
Page 561 and 562:
Registering PLI applications Regist
Page 563 and 564:
Registering VPI applications Exampl
Page 565 and 566:
Registering DPI applications Regist
Page 567 and 568:
For Windows only: Run a preliminary
Page 569 and 570:
32-bit Linux platform Compiling and
Page 571 and 572:
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
Page 583 and 584:
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
Page 589 and 590:
Third party PLI applications Third
Page 591 and 592:
IEEE Std 1364 ACC routines IEEE Std
Page 593 and 594:
IEEE Std 1364 TF routines IEEE Std
Page 595 and 596:
SystemVerilog DPI access routines S
Page 597 and 598:
Verilog-XL compatible routines Veri
Page 599 and 600:
PLI/VPI tracing The purpose of trac
Page 601 and 602:
Debugging PLI/VPI/DPI application c
Page 603 and 604:
E - ModelSim shortcuts Appendix con
Page 605 and 606:
Main and Source window mouse and ke
Page 607 and 608:
Keystrokes - UNIX Keystrokes - Wind
Page 609 and 610:
Wave window mouse and keyboard shor
Page 611 and 612:
F - System initialization Appendix
Page 613 and 614:
Environment variables accessed duri
Page 615 and 616:
Initialization sequence Initializat
Page 617 and 618:
G - Logic Modeling SmartModels Appe
Page 619 and 620:
Creating foreign architectures with
Page 621 and 622:
Vector ports Entity details VHDL Sm
Page 623 and 624:
SmartModel Windows VHDL SmartModel
Page 625 and 626:
Verilog SmartModel interface Verilo
Page 627 and 628:
H - Logic Modeling hardware models
Page 629 and 630:
Creating foreign architectures with
Page 631 and 632:
Vector ports Architecture details V
Page 633 and 634:
End-User License Agreement IMPORTAN
Page 635 and 636:
COMPLIED WITH THIS AGREEMENT. MENTO
Page 637 and 638:
Graphics shall only use or disclose
Page 639 and 640:
Index CR = Command Reference, UM =
Page 641 and 642:
Stop on quit mode UM-414 C Debug se
Page 643 and 644:
mem search CR-204 modelsim CR-206 n
Page 645 and 646:
ange checking in VHDL CR-316, UM-74
Page 647 and 648:
Add Folder GR-47 C Debug setup GR-9
Page 649 and 650:
F -f CR-360 F8 function key UM-607
Page 651 and 652:
Verilog modules UM-125 VHDL subprog
Page 653 and 654:
Memory window GR-169 GUI changes UM
Page 655 and 656:
optimizing Verilog designs design o
Page 657 and 658:
eaders and drivers UM-303 readers c
Page 659 and 660:
adix specifying for examine CR-163
Page 661 and 662:
system tasks VCD UM-461 Verilog UM-
Page 663 and 664:
U -u CR-365 unbound component GR-53
Page 665 and 666:
library clause UM-64 mixed designs
Page 667 and 668:
text editing UM-605 windows Active
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