http://puneetworld.com Puneet's Home Page Wed, 15 Oct 2008 12:29:16 +0000 http://backend.userland.com/rss092 en Diffing the files and merging them is one of the very common task we do everyday. Following are few very useful commands to view the diff using vim and merge them using the vimdiff commands instead of copying and pasting from one file to another. To diff two files using ... http://puneetworld.com/archives/48 Here is the example. How you can change the seed for a class and generate different pattern with randc.If you comment the line "obj.srandom(seed)" it will generate the same pattern again after the cycle. Try compiling it again with commenting above line. class randctest; randc bit [1:0] ... http://puneetworld.com/archives/45 A good thought : The difference between a smart person and a wise person is that a wiseperson knows how not to get into situations that a smart person knowshow to get out of.Reference Page : http://simeons.wordpress.com/2008/09/04/smart-entrepreneurs-vs-wise-entrepreneurs/Page has few more thoughts out of which the last one i don't agree ... http://puneetworld.com/archives/39 A lot of times we require to source the shell variables or shell script into the perl environment. One way to do this is you add very variable into the perl script something like :$ENV{"SOME_VAR"} = "SOME_VAL";The other best way to do this task is parse the shell file and ... http://puneetworld.com/archives/37 Run a perl script using libraries in nonstandard locations.======================================Use perl -V to see the include paths @INC array I will be something like : /usr/lib/perl5/5.8.0/i386-linux-thread-multi /usr/lib/perl5/5.8.0 /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.0 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi ... http://puneetworld.com/archives/35 Sometimes we need to change the case of the letters in vim. Here is how you can do it with vim. Search and replace it with "\U&" or "\L&" or upper and lower letters. changing to CAPITAL LETTERS : :%s/^.*$/\U&/gChanging to lower letters ::%s/^.*$/\L&/gEnjoy Power of VIM http://puneetworld.com/archives/33 Its great to hear that Mentor has release a customized version of VMM that runs on Questa, Modelsim. I hope it will complie on NCsim as well. In the release we have a PDF which describes how the VMM is not compliant with ths System verilog LRM. Thats ... http://puneetworld.com/archives/32 From last few days I am thinking what I did in my last one year. I have almost stopped reading. Earlier at least I used to try. But from last more than one year I just stopped it. I used to try out new things, learn new things thats also ... http://puneetworld.com/archives/31 Code coverage and function coverage tells the verification engineer if the test plan goals have been met or not. Thare are following types of code coverage : 1. Line Coverage 2. Toggle Coverage 3. FSM Coverage 4. Combinational coverage 1. Line Coverage : Line coverage is answer the the simple question whether this line is covered or ... http://puneetworld.com/archives/25 In Verilog, the way that you create the VCD dumpfile is by using two types of Verilog system calls (1) $dumpfile and (2) $dumpvars. The following example shows how to create and generate a dumpfile called ... http://puneetworld.com/archives/26