feat(homework_2): Add implementation

1 files changed, 67 insertions, 63 deletions

diff --git a/homework_2/SRC/base_test.sv b/homework_2/SRC/base_test.sv
index ea675bc..b6b81ef 100644
--- a/homework_2/SRC/base_test.sv
+++ b/homework_2/SRC/base_test.sv
@@ -1,63 +1,67 @@
-// Test class instantiates the environment and starts it.

-class base_test extends uvm_test;

-  `uvm_component_utils(base_test)

-  function new(string name = "base_test", uvm_component parent=null);

-    super.new(name, parent);

-  endfunction

-  

-  env  				e0;

-  bit[`LENGTH-1:0]  pattern = 4'b1011;

-  gen_item_seq 		seq;

-  virtual  	des_if 	vif;

-  

-  virtual function void build_phase(uvm_phase phase);

-    super.build_phase(phase);

-    

-    // Create the environment

-    e0 = env::type_id::create("e0", this);

-    

-    // Get virtual IF handle from top level and pass it to everything

-    // in env level

-    if (!uvm_config_db#(virtual des_if)::get(this, "", "des_vif", vif))

-      `uvm_fatal("TEST", "Did not get vif")      

-    uvm_config_db#(virtual des_if)::set(this, "e0.a0.*", "des_vif", vif);

-    

-    // Setup pattern queue and place into config db

-    uvm_config_db#(bit[`LENGTH-1:0])::set(this, "*", "ref_pattern", pattern);

-    

-    // Create sequence and randomize it

-    seq = gen_item_seq::type_id::create("seq");

-    seq.randomize();

-  endfunction

-  

-  virtual task run_phase(uvm_phase phase);

-    phase.raise_objection(this);

-    apply_reset();

-    seq.start(e0.a0.s0);

-    #200;

-    phase.drop_objection(this);

-  endtask

-  

-  virtual task apply_reset();

-    vif.rstn <= 0;

-    vif.in <= 0;

-    repeat(5) @ (posedge vif.clk);

-    vif.rstn <= 1;

-    repeat(10) @ (posedge vif.clk);

-  endtask

-endclass

-    

-class test_1011 extends base_test;

-  `uvm_component_utils(test_1011)

-  function new(string name="test_1011", uvm_component parent=null);

-    super.new(name, parent);

-  endfunction

-  

-  virtual function void build_phase(uvm_phase phase);

-    pattern = 4'b1011;

-    super.build_phase(phase);

-    seq.randomize() with { num inside {[300:500]}; };

-  endfunction

-endclass

-

-// The int
\ No newline at end of file
+// Test class instantiates the environment and starts it.
+class base_test extends uvm_test;
+  `uvm_component_utils(base_test)
+  function new(string name = "base_test", uvm_component parent = null);
+    super.new(name, parent);
+  endfunction
+
+  env            e0;
+  gen_item_seq   seq;
+  virtual des_if vif;
+
+  virtual function void build_phase(uvm_phase phase);
+    super.build_phase(phase);
+
+    // Create the environment
+    e0 = env::type_id::create("e0", this);
+
+    // Get virtual IF handle from top level and pass it to everything
+    // in env level
+    if (!uvm_config_db#(virtual des_if)::get(this, "", "des_vif", vif))
+      `uvm_fatal("TEST", "Did not get vif")
+
+    uvm_config_db#(virtual des_if)::set(this, "e0.a0.*", "des_vif", vif);
+
+    // Create sequence and randomize it
+    seq = gen_item_seq::type_id::create("seq");
+
+    if (!seq.randomize()) `uvm_fatal("TEST", "Failed to randomize sequence")
+  endfunction
+
+  virtual task run_phase(uvm_phase phase);
+    phase.raise_objection(this);
+    apply_reset();
+    seq.start(e0.a0.s0);
+
+    #200;
+
+    `uvm_info("TEST_DONE", "Sequence detector test completed", UVM_LOW)
+
+    phase.drop_objection(this);
+  endtask
+
+  virtual task apply_reset();
+    vif.reset <= 1'b1;
+    vif.inp   <= 0;
+
+    repeat (5) @(posedge vif.clk);
+
+    vif.reset <= 0;
+
+    repeat (10) @(posedge vif.clk);
+  endtask
+endclass
+
+class test_both_patterns extends base_test;
+  `uvm_component_utils(test_both_patterns)
+  function new(string name = "test_both_patterns", uvm_component parent = null);
+    super.new(name, parent);
+  endfunction
+
+  virtual function void build_phase(uvm_phase phase);
+    super.build_phase(phase);
+
+    if (!seq.randomize() with {num inside {[520 : 620]};})
+      `uvm_fatal("TEST", "Failed to randomize sequence length")
+  endfunction
+endclass