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Page 1: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

[email protected] | www.verificationacademy.com

UVM Basics UVM "Hello World"

Tom Fitzpatrick

Verification Evangelist

Page 2: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

DUT and Verification Environment

Top-level uvm_test

uvm_env

DUT

dut_if

module

module

interface

Fixed part

Variable part

Structural

Class-based classes

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 3: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Interface

Top-level

uvm_test uvm_env

DUT dut_if

interface dut_if(); ... endinterface: dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 4: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

DUT module dut(dut_if _if); ... endmodule: dut

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 5: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

DUT Instantiation module top; ... dut_if dut_if1 (); dut dut1 ( ._if(dut_if1) ); ... endmodule: top

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 6: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Env

Top-level

uvm_test uvm_env

DUT dut_if

class my_env extends uvm_env; endclass: my_env

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 7: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Env

Top-level

uvm_test uvm_env

DUT dut_if

class my_env extends uvm_env; `uvm_component_utils(my_env) endclass: my_env

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 8: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

class my_env extends uvm_env; `uvm_component_utils(my_env) function new(string name, uvm_component parent); super.new(name, parent); endfunction: new endclass: my_env

Env

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 9: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

class my_env extends uvm_env; `uvm_component_utils(my_env) function new(string name, uvm_component parent); super.new(name, parent); endfunction: new function void build_phase(uvm_phase phase); ...//instantiate components endfunction: build_phase endclass: my_env

Env

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 10: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

class my_env extends uvm_env; `uvm_component_utils(my_env) function new(string name, uvm_component parent); super.new(name, parent); endfunction: new function void build_phase(uvm_phase phase); super.build_phase(phase); endfunction: build_phase task run_phase(uvm_phase phase); endtask: run_phase endclass: my_env

Env

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 11: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

End-of-Test Mechanism task run_phase(uvm_phase phase); phase.raise_objection(this); #10; phase.drop_objection(this); endtask: run_phase

1st objection raised when time = 0

Test ends when all objections dropped

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 12: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Test

Top-level

uvm_test uvm_env

DUT dut_if

class my_test extends uvm_test; `uvm_component_utils(my_test) endclass: my_test

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 13: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Test class my_test extends uvm_test; `uvm_component_utils(my_test) my_env my_env_h; endclass: my_test

_h = handle

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 14: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Test class my_test extends uvm_test; `uvm_component_utils(my_test) my_env my_env_h; function new(string name, uvm_component parent); super.new(name, parent); endfunction: new function void build_phase(uvm_phase phase); endfunction: build_phase endclass: my_test

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 15: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Test class my_test extends uvm_test; `uvm_component_utils(my_test) my_env my_env_h; function new(string name, uvm_component parent); super.new(name, parent); endfunction: new function void build_phase(uvm_phase phase); my_env_h = my_env::type_id::create(... endfunction: build_phase endclass: my_test

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 16: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Test

Top-level

uvm_test uvm_env

DUT dut_if

class my_test extends uvm_test; `uvm_component_utils(my_test) my_env my_env_h; function new(string name, uvm_component parent); super.new(name, parent); endfunction: new function void build_phase(uvm_phase phase); my_env_h = my_env::type_id::create("my_env_h", this); endfunction: build_phase endclass: my_test

name parent

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 17: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Package

Top-level

uvm_test uvm_env

DUT dut_if

package my_pkg; `include "uvm_macros.svh" import uvm_pkg::*; `include “my_env.svh” `include “my_test.svh” endpackage: my_pkg

my_env.svh: class my_env extends uvm_env; ... endclass: my_env

my_test.svh: class my_test extends uvm_test; ... endclass: my_test

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 18: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Test Instantiation

Top-level

uvm_test uvm_env

DUT dut_if

module top; import uvm_pkg::*; import my_pkg::*; dut_if dut_if1 (); dut dut1 ( ._if(dut_if1) ); endmodule: top

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 19: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Test Instantiation module top; import uvm_pkg::*; import my_pkg::*; dut_if dut_if1 (); dut dut1 ( ._if(dut_if1) ); initial begin run_test("my_test"); end endmodule: top

Top-level

uvm_test uvm_env

DUT dut_if

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 20: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Running the Simulation > vlog file.sv > vsim top # Loading sv_std.std # Loading work.uvm_pkg # Loading work.my_pkg # Loading work.top # Loading work.dut_if # Loading work.dut # Loading ./work/_dpi/qv_dpi.so # run -all # ---------------------------------------------------------------- # UVM-1.1d # (C) 2007-2013 Mentor Graphics Corporation # (C) 2007-2013 Cadence Design Systems, Inc. # (C) 2006-2013 Synopsys, Inc. # (C) 2001-2013 Cypress Semiconductor Corp. # ----------------------------------------------------------------

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 21: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Running the Simulation

# UVM_INFO @ 0: reporter [RNTST] Running test my_test... # UVM_INFO /home/UVM/uvm-1.1d/src/base/uvm_objection.svh(1116) @ 10: reporter [TEST_DONE] 'run' phase is ready to proceed to the 'extract' phase #

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 22: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Running the Simulation

# --- UVM Report Summary --- # # ** Report counts by severity # UVM_INFO : 2 # UVM_WARNING : 0 # UVM_ERROR : 0 # UVM_FATAL : 0 # ** Report counts by id # [RNTST] 1 # [TEST_DONE] 1 # ** Note: $finish : /home/UVM/uvm-1.1d/src/base/uvm_root.svh(430) # Time: 10 ns Iteration: 55 Instance: /top

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 23: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

Summary

Top-level uvm_test

uvm_env

DUT

dut_if

module

module

interface

Fixed part

Variable part

Structural

Class-based classes

© 2013 Mentor Graphics Corporation, all rights reserved.

Page 24: UVM 'Hello World' Session | Basic UVM Coursecourses/coe838/lectures/... · UVM "Hello World" Tom Fitzpatrick . Verification Evangelist . Title: UVM "Hello World" Session | Basic UVM

[email protected] | www.verificationacademy.com

UVM Basics UVM "Hello World"

Tom Fitzpatrick

Verification Evangelist


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COE838: System-on-Chip Designcourses/coe838/labs/HPS-FPGA...HPS/FPGA Interconnection COE838: System-on-Chip Design Lab 3 and 4, Project manual DE1-SoC Datasheets [online] Flynn and

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