`ovm_info problems

OVM
1

Hi to all!

I’ve got this kind of problem.
I have 2 .sv files :
First:

`ifndef _GUARD_lib_
`define _GUARD_lib_
 
class some extends ovm_env;
    `ovm_component_utils(some)
    function new(string name, ovm_component parent);
        super.new(name, parent);
    endfunction
    task run();
        `ovm_info(get_full_name(), "OVM_NONE", "OVM_NONE")
        `ovm_info(get_full_name(), "OVM_LOW", "OVM_LOW")
    
        `ovm_info(get_full_name(), "OVM_MEDIUM", "OVM_MEDIUM")
        `ovm_info(get_full_name(), "OVM_HIGH", "OVM_HIGH")
        `ovm_warning(get_full_name(), "Warning")
        `ovm_error(get_full_name(), "Error\n\n")
    endtask
endclass
`endif

Second :

`ifndef _GUARD_tb_
`define _GUARD_tb_
 
module tb;
    some a,b,c,d,e;
    initial begin
        
        a = new("a", null);
        b = new("b", null);
        c = new("c", null);
        d = new("d", null);
        e = new("e", null);
        a.set_report_verbosity_level(OVM_NONE);
        b.set_report_verbosity_level(OVM_LOW);
        c.set_report_verbosity_level(OVM_MEDIUM);
        d.set_report_verbosity_level(OVM_HIGH);
    
        $display("OVM_NONE   = %d", OVM_NONE);
        $display("OVM_LOW    = %d", OVM_LOW);
        $display("OVM_MIDIUM = %d", OVM_MEDIUM);
        $display("OVM_HIGH   = %d\n\n", OVM_HIGH);
        $display("%d", a.get_report_verbosity_level());
        $display("%d", b.get_report_verbosity_level());
        $display("%d", c.get_report_verbosity_level());
        $display("%d\n\n", d.get_report_verbosity_level());
        $display("");
        a.set_report_severity_action("OVM_LOW", "OVM_DISPLAY");
        b.set_report_severity_action("OVM_LOW", "OVM_DISPLAY");
        c.set_report_severity_action("OVM_LOW", "OVM_DISPLAY");
        d.set_report_severity_action("OVM_LOW", "OVM_DISPLAY");
        run_test();
    end
endmodule
`endif

So, I only want to try different types of severity…

I compile this in questa and use this scripts:
vlib work
vlog -f aaa.vlog.f
vsim tb

Where:
aaa.vlog.f :

+incdir+../../src
+incdir+.
files.sv

files.sv:

import ovm_pkg::*;
`include "ovm_macros.svh"
<span style="font-family:'Courier New CYR'">
<font size=2><span style="font-family:'Courier New CYR'">
<font size=2>\`include "lib.sv"
\`include "tb.sv"
</font></span></font></span>

All seems ok, but the thing is that I can see only ovm_error and ovm_warning.
I looked through OVM examples, and I saw, that they use another thing, like :

module hello_world;
  `include "ovm.svh"
  `include "packet.sv"
  `include "producer.sv"
  `include "consumer.sv"
  `include "top.sv"
 
.....
 
endmodule

But I don’t want to use the same.
So, what I’ve doing wrong ??

Thank you a lot :(

2

There are 2 issues from what I see:

First, for the `ovm_info() macro, you need to use the severity level define and not a quoted string as the last parameter.

You have:

`ovm_info(get_full_name(), "OVM_NONE", "OVM_NONE")
`ovm_info(get_full_name(), "OVM_LOW", "OVM_LOW")

And the correct usage is:

`ovm_info(get_full_name(), "OVM_NONE", OVM_NONE)
`ovm_info(get_full_name(), "OVM_LOW", OVM_LOW)

Second, you need to control the OVM messaging verbosity with the argument ‘+OVM_VERBOSITY=verbosity’ on you simulation command line. This will control what level of verbosity you will see.

3

I’m so sorry to take your time. It’s a silly mistake. Thank you a lot )).

But can you tell more about this facility - +OVM_VERBOSITY=verbosity. I’ve looked through reference manual and find nothing about this option… Or you certainly can just say where to look…

4

I am not sure why it isn’t in the reference manual, but you can read about +OVM_VERBOSITY in the release-notes.txt file.