How to make system call through systemverilog

OVM
1

hi,
I am using OVM for verification of SoC. I want to make system call through systemverilog.
I intend to call matlab through system call like,
system(“MATLAB…”); .

  1. Can someone suggest me how should I do that??

I thought using Direct Programming Interface (DPI) , I can make system call in C. But I could not compile systemverilog and C code together.

  1. Can someone give an example of DPI with steps to compile both ie. systemverilog and C code together so that they are linked together.

I even donot know if I can make system call using C through DPI.
3. Can someone confirm that?

Thanks in advance.

2

Why not simply use

$system ("unix_cmd_to_be_invoked??");

On DPI examples - check out your tool install dir, there are usually several examples. If you still have issues, post code here, someone may be able to help.

Regards
Srini

3
  1. Can someone give an example of DPI with steps to compile both ie. systemverilog and C code together so that they are linked together.

If you are using Questasim use the following commands.
vlog dut.sv (compile your Systemverilog file)
gcc -shared -Bsymbolic -o imports.so imports.c (Compiles C code)
vsim -sv_lib imports top -do <do_file> (Invoke the simulation)

For detailed description go through the help in questasim and refer “questasim_afv_user.pdf” document and Section Appendix D.

  1. Can someone give an example of DPI with steps to compile both ie. systemverilog and C code together so that they are linked together.

There are some good examples how to use DPI inside Systemverilog in the following link. U may find it useful.
http://www.testbench.in/DP_00_INDEX.html

4

Hi,
I would like to know if there is a way to catch the return value of the system call. (error indication)
Thanks

5

In reply to Goldy L:

If you are referring to $system, it returns the value of the call to
system().