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  1. Hi i'm new to the UVM worls. I made a simple SystemVerilog program and a simple SystemVerilog env that extends the uvm_env (see them below): Now, I want to compile it all in ncsim (version 11), so i did: ncverilog -access +rwc -uvm -uvmhome /tools/uvm-1.1/uvm_lib/uvm_sv/ top.v top_program.sv I get an error (it looks like the extends uvm_env is not allowed - as if the uvm packeage was not compiled???) Compiling UVM package (uvm_pkg.sv) using uvmhome location /tools/uvm-1.1/uvm_lib/uvm_sv/ file: ../rtl/top.v module worklib.top:v errors: 0, warnings: 0 file: ../sv/top_program.sv interface worklib.pp_seq_ifc:sv errors: 0, warnings: 0 module worklib.pp_seq_bind0:sv errors: 0, warnings: 0 class top_env extends uvm_env; | ncvlog: *E,SVNOTY (top_env.sv,4|28): Syntactically this identifier appears to begin a datatype but it does not refer to a visible datatype in the current scope. Any ideas what do i need to do? here's the program and env: //------ program ------- `include "top_if.sv" program top_program; `include "top_files.sv" initial begin top_multi_env top_multi_env; top_multi_env= new; top_multi_env.start(); end endprogram //----- env ------ class top_env extends uvm_env; string my_name; function new(string name = "" ); my_name = name; endfunction: new .... endclass // top_env
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