Initial commit

* Bare skeleton implementation of everything
* Testbench builds with Verilator
* Test runs

tb/tb_pkg.sv

@@ -0,0 +1,25 @@
+`include "tb_params.sv"
+`include "tb_intf.sv"
+package tb_pkg;
+    import uvm_pkg::*;
+    import tb_types::*;
+
+    `include "uvm_macros.svh"
+
+    // Testbench defines
+    // UVM data items
+    `include "axi_transaction.sv"
+
+    // UVM components
+    `include "axi_driver.sv"
+    `include "axi_monitor.sv"
+    `include "axi_agent.sv"
+    `include "tb_env.sv"
+
+    // UVM sequences
+    `include "tb_seq_base.sv"
+
+    // Tests
+    `include "test_base.sv"
+endpackage
+`include "tb_top.sv"