feat(homework_2): Add implementation

1 files changed, 36 insertions, 22 deletions

diff --git a/homework_2/SRC/gen_item_seq.sv b/homework_2/SRC/gen_item_seq.sv
index c42cf3a..ce3c3f5 100644
--- a/homework_2/SRC/gen_item_seq.sv
+++ b/homework_2/SRC/gen_item_seq.sv
@@ -1,22 +1,36 @@
-// The generator class is replaced by a sequence

-class gen_item_seq extends uvm_sequence;

-  `uvm_object_utils(gen_item_seq)

-  function new(string name="gen_item_seq");

-    super.new(name);

-  endfunction

-  

-  rand int num; 	// Config total number of items to be sent

-  

-  constraint c1 { soft num inside {[10:50]}; }

-  

-  virtual task body();

-    for (int i = 0; i < num; i ++) begin

-    	Item m_item = Item::type_id::create("m_item");

-    	start_item(m_item);

-    	m_item.randomize();

-      `uvm_info("SEQ", $sformatf("Generate new item: %s", m_item.convert2str()), UVM_HIGH)

-      	finish_item(m_item);

-    end

-    `uvm_info("SEQ", $sformatf("Done generation of %0d items", num), UVM_LOW)

-  endtask

-endclass
\ No newline at end of file
+// The generator class is replaced by a sequence
+class gen_item_seq extends uvm_sequence;
+  `uvm_object_utils(gen_item_seq)
+  function new(string name = "gen_item_seq");
+    super.new(name);
+  endfunction
+
+  rand int num;  // Config total number of items to be sent
+
+  constraint c1 {soft num inside {[300 : 500]};}
+
+  virtual task body();
+    bit seed_bits [$] = '{1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0};
+    int total_num;
+
+    total_num = (num < seed_bits.size()) ? seed_bits.size() : num;
+
+    for (int i = 0; i < total_num; i++) begin
+      Item m_item = Item::type_id::create($sformatf("m_item_%0d", i));
+
+      start_item(m_item);
+
+      if (i < seed_bits.size()) begin
+        m_item.inp = seed_bits[i];
+      end else begin
+        if (!m_item.randomize()) `uvm_fatal("SEQ", "Randomization failure for sequence item")
+      end
+
+      `uvm_info("SEQ", $sformatf("Generate new item: %s", m_item.convert2str()), UVM_HIGH)
+
+      finish_item(m_item);
+    end
+
+    `uvm_info("SEQ", $sformatf("Done generation of %0d items", total_num), UVM_LOW)
+  endtask
+endclass