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You should see output from both vcs and the simulation, and it should produceĪ waveform file called d_ in your working directory. You should now have an executable file called simv in yourĮxecute simv on the command line with no arguments. The output should have included the following: Top Level Modules: In the file that are actually instantiated ( nand2$ and inv1$ The -v option before the library file means that only modules The following command line would have the same effect: vcs -full64 -debug_all /home/projects/courses/spring_16/ee382n-16785/lib/time -v /home/projects/courses/spring_16/ee382n-16785/lib/lib1 d_latch.v This case, the command-line options are mostly just a list of library file In this case) contains a list of command line options for vcs. The -f option means that the file specified ( master The source prompt: vcs -full64 -debug_all -f master Compiling and Simulating in Post-Processing ModeĬhange to the directory that you created for this tutorial.Ĭompile the verilog source code by typing the following at master (a list of all verilog source files neededģ.Now that you can run VCS, create a directory where you want to put the files for this tutorial, andĬopy the following files into that directory: To have the VCS environment set up automatically every time you log in to a You may also use the following command: module initadd synopsys/vcs You can append your old settings to the new environment files. Your previous environment files will be saved in the ~/olddotfiles directory so that
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If the above command fails, use the resetenv script to update your environment files to the latestĮCE defaults. You will need to use the following command to set up the environment from now on: module load synopsys/vcs Interactive Mode compile time: >vcs -full64 -R -gui Interface that you may find useful for this class.įor debuging, the VCS 2015 package has the DVE tool (replaced old Virsim). These tutorials will explain additional features of the debugging usr/local/packages/synopsys_2015/vcs-mx/doc/UserGuide/examples-pdf/ Want to know, we suggest you look through the VCS This document is by no means comprehensive. You should do this tutorial on one of the ECE machines.
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Show you how to compile and simulate the D latch example from the EE 382N The rest of this document will give a brief overview of the tools and Alternately, the design can be simulated interactively usingĭVE, and the waveforms can be viewed as you step through the simulation. This simulator can be executed on the command line, and can create a waveformįile. Or egcs) to create an executable file that will simulate your design. VCS works by compiling your Verilog source code into object files, or
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The VCS tools will allow you to combine these steps to debug your design The methodology of debugging your project design involves three steps: Therefore you should ssh to any of the ECE linux machines These tools are currently available on the ECE linux servers. The primary tools we will use will be VCS (Verilog Compiler Simulator)Īnd DVE, a graphical user interface to VCS for debugging and viewing In this class, we will be using the VCS Tool suite from Synopsys. Compiling and Simulating in Interactive Mode Compiling and Simulating in Post-Processing Mode
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EE 382N: Microarchitecture/ Tools/ VCS Manual Table Of Contents