All commands preceded with input are passed to ncsim and are executed in the. Copyright 19901994 the regents of the university of california copyright 19901994 the regents of the university of california. You can say in database language dcl are used to control privilege in database. Data control languagedcl are used to control access to data stored in a database. Run tcl scripts from the vivado design suite tcl shell. Multiple step mode uses the ncvlog and ncelab commands to compile and elaborate your design. I also do the run from the tcl file and exit but it gets stuck with no simulation having run and i have to kill it. Using hierarchy separators in tcl commands many tcl commands take an object name as an argument. However, the brdata method can be used to stack data in the input buffer for consumption by the command. It describes the basic mechanisms used by the tcl interpreter. The put all the qt commands in a tcl file and source it in the script which ncsim runs. Tcl fundamentals 1 this chapter describes the basic syntax rules for the tcl scripting language.
Hi all, i want to write a proc to encapsulate a stop command cadence ncsim. When i dont want to only stop the simulation, but also execute any tcl command. Chapter 3 presents a sample application, a cgi script, that implements a guestbook for a web site. It is a scripting language that aims at providing the ability for applications to communicate with each other. Create a directory for example, tutorial, and then copy the tutorial. If you have current support and maintenance agreements with rocket software, you can access the rocket customer portal to report and track. Verdi provides tcl commands for each action in the gui all tcl commands are categorized by module and have a set prefix tcl command sets in verdi prefix module sys system deb debussy verdi src ntrace wv nwave sch nschema tfg temporal flow view nmem memorymda fsm nstate reg nregister eco neco ta transaction sid siloti. Enter individual tcl commands in the tcl console at the bottom of the vivado ide. You also might try bringing up the gui ncsim gui and using the menus and dialog boxes to setup what you want and then look at the commands which are generated. Unless otherwise noted, all commands are available in both dcsh and dctcl mode. For the full, verbose description of waveform instruction, refer to the documentation provided with the simulator under simvision tcl commands waveform.
This short tutorial will concentrate on the most basic concepts to. Multiple step mode uses the ncvlog and ncelab commands to compile and. These scripts are meant to be sourced into an empty environment that is, an environment with no breakpoints, no probes, no databases. Modelsim tcl commands in isim hi, i have several tcl files which have been used in modelsim. It is just like tclsh, but includes the incr tcl extensions for objectoriented programming. Suspends the process on the specified port, pushes a level on that port, then executes the tcl command. On the other hand, tk is a cross platform widget toolkit used for building gui in many languages. The language is commonly used for rapid prototyping, scripted applications, guis, and testing. You can run scripts from either the windows or linux commandline or store and run a series of commands in a.
The ncverilog simulator interactively accepts tcl commands. Today, the simulator fuels testbench automation, reuse, and analysis to verify designs from the system level, through rtl, to the gate level. Tcl commands are built into the language with each having its own predefined function. All the eda tool flows from synopsys, cadence and mentor graphics use tcl as the primary scripting interface for their flows. On subsequent calls to ncverilog the following command has to be used.
Notice how the tcl command is echoed in the io region of the simcontrol window. Tcl basics pdf 118p this note introduces the basics of tcl. We encourage you to take an active role in the forums by answering and commenting to any questions that you are able to. The command name is always the first or leftmost word in the command. The property nameproperty value pair settings allow you to customize the tcl commands used to start the cadence incisive simulator, the ncsim executable to be used, the path and name of the tcl script that stores the start commands, and for simulink applications, details about the mode of communication to be used by the applications. Nclaunch user guide university of virginia school of. Chapter 3 presents a sample application, a cgi script, that implements a. The covered tcl commands include the puts, open, gets, flush, incr, info, set, and unset commands the puts command. The console window lets you enter tcl simulator commands or simvision commands. These commands form the reserved words of the language and cannot be used for other variable naming. See the tclsh man page for details concerning usage. This is nothing but accessing the simulation object, for this we need the access to be enabled.
Tcl commands commit, rollback and savepoint studytonight. In the first example, we will mention the puts command. A wildcard is permitted only if it matches one item. Incisive enterprise simulator is the most used engine in the industry, continually providing new technology to support each of the verification niches that have emerged. In addition to the commands implemented to help you debug your design, you can also use any tcl builtin command. Design browser the design browser lets you access the design hierarchy and the signals and variables in the design database. That runs the simulation in modelsim and as soon as my vhdlsignal supersignal has the value 1 the block starting with stop. Chapter1 describes the fundamental properties of the language. This tutorial is aimed at introducing a user to the cadence tool. Use simcompare when you want to perform more complex. See appendix a, basics of tcl, for information on tcl syntax and on the extensions that have been added to the tcl interpreter. On the set variable form, click the down arrow next to the name field to display a list of tcl variables. Now i would like to write some tests using similar commands. Commit command is used to permanently save any transaction into the database.
Today, the simulator fuels testbench automation, reuse, and analysis to verify designs from. I have written syntax highlighting for a slightly unfamiliar language cadence skill in. The following lists of commands will execute in a tcl shell. Nclaunch user guide preface june 2000 7 product version 3. It also allows statements to be grouped together into logical transactions. Tcl as a single command language in all eda tool flows ensures that a designer. Its simplicity in syntax and common sensical approach to semantics makes this an easy language to learn and become proficient in. The verification community is eager to answer your uvm, systemverilog and coverage related questions. Tcl is a general purpose multiparadigm system programming language. Join date sep 2002 posts 151 helped 5 5 points 2,594 level 11. See hdl and systemc item names cr12 for the full syntax of an item name. Instead of passing the tcl commands as a file of commands that get executed just as if you typed them in, pass the commands in via a source command.
These are used to manage the changes made to the data in a table by dml statements. The puts command is used to print messages to the console or to other channels like a. Simvision highlights in red the areas of the waveforms that do not match. It seems that isim is very limited compared to modelsim since most of the commands i would like to use do not exist in its command group. The advantage with these tcl commands is that, you can define your own implementation for any of these commands to replace the original builtin functionality. The brdata method must be used, of course, prior to executing the tcl command. Transaction control language tcl commands are used to manage transactions in the database. All tcl commands in vmd are composed of one or more words or phrases separated by white space, and terminated by a newline. The source code is compiled into bytecode, which is later interpreted by the tcl interpreter. The first word of each command indicates the general purpose for the command, and the following words specify the. The cadence ams simulator is a mixedsignal simulator that supports the verilogams language standard. I am looking for a command i can use within my dofile when calling ncsim input dofile.
Chapter 2 is a short introduction to running tcl and tk on unix, windows and macintosh systems. Enter individual tcl commands in the vivado design suite tcl shell outside of the vivado ide. There are also several books available that show you how to use the verilog hdl. A savepoint is a point in a transaction when you can roll the transaction back to a certain point without rolling back the entire transaction. This short tutorial will concentrate on the most basic concepts to get you started as quickly as possible.
Pdf files are intended to be viewed on the printed page. Use the following table as guidance when mapping your do file simulation commands to isim commands. No direct screen input or output is allowed when executing tcl commands from the class library. The tcl stands for tool command language, where the source code of a tcl script consists of commands.
If you invoke the simulator, set some breakpoints and probes, and then. Transaction control language tcl command are used to manage transaction in database. Tcl is a stringbased, interpreted command language. Enables or disables the display of tcl commands on all output directed to the spooler, or displays the current header status if no options are provided. Youll have to work out the exact tcl syntax, that is not my strongpoint. Gvim commands set below is the list of most frequently used gvimvim commands, also below table describes the basic gvimvim commands, commands to replace strings and shortcuts to use gvimvim. A tcl identifier is a name used to identify a variable, function, or any other userdefined item. In the tcl file i have all qt related commands like loading memory and memory dump etc. As a modelsim user i am used to write something like the following lines in my dofile.
For functional coverage assertions should be included in the design and is not covered by above commands. Cadence verilog language and simulation multimedia and. Tcl is the defacto standard embedded command language for electronic design automation eda and computeraided design cad applications. If the brexecute method attempts to get input and the input buffer is empty, the command.