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How can I dump waveform using irun uder UVM environment

bbpfancy

 
 
I downloaded an example (uvm_phases.tar )   from this website
 
I try to download the waveform with a tcl file
database -open waves -shm
probe -create -database top -all -depth all
uvm_phase -stop_at -end connect
run 
exit
 
but  I get no signal from the waveform 
 
the top module is as follows
 
 

`include "uvm_macros.svh"
 import uvm_pkg::*;

`include "driver.sv"  
`include "monitor.sv"  
`include "agent.sv"  
`include "env.sv"  
`include "test.sv"

module top;

  initial
    run_test();

endmodule
 
and my makefile is as follows
 ius: ${FILES} ${IFILES}
@if [ ! -e ${UVM_HOME}/src/uvm_pkg.sv ];then \
echo "*******************************************************";\
echo "Environemnt varible UVM_HOME is not set or points to incorrect path"; \
echo "*******************************************************";\
fi 
irun ${UVM_FLAGS} +incdir+. ${FILES} +UVM_TESTNAME=test1 -access +rwc -input input.tcl 
 
 
 
 
 

  • You almost had it right, but this command "uvm_phase -stop_at -end connect" tells the simulation to stop after the UVM connect phase has finished. This is still at time zero so there will be nothing to see in the waves.

    Try removing that breakpoint.

    Alternatively if you're using that bkpt to help you probe the class hierarchy, move the probe command after the first "run" command, and add a 2nd "run" after the probe command.

     

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