Add license headers and lsu arbiter stub

src/load_unit.sv

@@ -1,3 +1,21 @@
+// Author: Florian Zaruba, ETH Zurich
+// Date: 22.05.2017
+// Description: Load Unit, takes care of all load requests
+//
+// Copyright (C) 2017 ETH Zurich, University of Bologna
+// All rights reserved.
+//
+// This code is under development and not yet released to the public.
+// Until it is released, the code is under the copyright of ETH Zurich and
+// the University of Bologna, and may contain confidential and/or unpublished
+// work. Any reuse/redistribution is strictly forbidden without written
+// permission from ETH Zurich.
+//
+// Bug fixes and contributions will eventually be released under the
+// SolderPad open hardware license in the context of the PULP platform
+// (http://www.pulp-platform.org), under the copyright of ETH Zurich and the
+// University of Bologna.
+//
 import ariane_pkg::*;
 
 module load_unit (

src/lsu.sv

@@ -180,13 +180,16 @@ module lsu #(
     // Load Unit
     // ------------------
 
+    // ---------------------
+    // Result Sequentialize
+    // ---------------------
+
     // ------------------
-    // LSU Control (FSM)
+    // LSU Control
     // ------------------
     // is the operation a load or store or nothing of relevance for the LSU
     enum logic [1:0] { NONE, LD_OP, ST_OP } op;
-    // connect the load logic to the memory arbiter
-    // assign address_i[1]       = paddr_o;
+
     always_comb begin : lsu_control
 
     end

src/lsu_arbiter.sv

@@ -0,0 +1,43 @@
+// Author: Florian Zaruba, ETH Zurich
+// Date: 22.05.2017
+// Description: Arbitrates the LSU result port
+//
+// Copyright (C) 2017 ETH Zurich, University of Bologna
+// All rights reserved.
+//
+// This code is under development and not yet released to the public.
+// Until it is released, the code is under the copyright of ETH Zurich and
+// the University of Bologna, and may contain confidential and/or unpublished
+// work. Any reuse/redistribution is strictly forbidden without written
+// permission from ETH Zurich.
+//
+// Bug fixes and contributions will eventually be released under the
+// SolderPad open hardware license in the context of the PULP platform
+// (http://www.pulp-platform.org), under the copyright of ETH Zurich and the
+// University of Bologna.
+
+import ariane_pkg::*;
+
+module lsu_arbiter (
+    input  logic                     clk_i,    // Clock
+    input  logic                     rst_ni,   // Asynchronous reset active low
+    input  logic                     flush_i,
+    // Load Port
+    input logic                      ld_valid_i,
+    input logic                      ld_ready_i,
+    input logic [TRANS_ID_BITS-1:0]  ld_trans_id_i,
+    input logic [63:0]               ld_result_i,
+    // Store Port
+    input logic                      st_valid_i,
+    input logic                      st_ready_i,
+    input logic [TRANS_ID_BITS-1:0]  st_trans_id_i,
+    input logic [63:0]               st_result_i,
+    // Output Port
+    output logic                     valid_o,
+    output logic                     ready_o,
+    output logic [TRANS_ID_BITS-1:0] trans_id_o,
+    output logic [63:0]              result_o
+);
+
+
+endmodule

src/store_unit.sv

@@ -1,3 +1,21 @@
+// Author: Florian Zaruba, ETH Zurich
+// Date: 22.05.2017
+// Description: Store Unit, takes care of all store requests
+//
+// Copyright (C) 2017 ETH Zurich, University of Bologna
+// All rights reserved.
+//
+// This code is under development and not yet released to the public.
+// Until it is released, the code is under the copyright of ETH Zurich and
+// the University of Bologna, and may contain confidential and/or unpublished
+// work. Any reuse/redistribution is strictly forbidden without written
+// permission from ETH Zurich.
+//
+// Bug fixes and contributions will eventually be released under the
+// SolderPad open hardware license in the context of the PULP platform
+// (http://www.pulp-platform.org), under the copyright of ETH Zurich and the
+// University of Bologna.
+
 import ariane_pkg::*;
 
 module store_unit (