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-rw-r--r--src/rtl/keywrap_mem.v51
-rw-r--r--src/tb/tb_keywrap_mem.v100
2 files changed, 151 insertions, 0 deletions
diff --git a/src/rtl/keywrap_mem.v b/src/rtl/keywrap_mem.v
new file mode 100644
index 0000000..21d3a2b
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+++ b/src/rtl/keywrap_mem.v
@@ -0,0 +1,51 @@
+//======================================================================
+//
+// keywrap_mem.v
+// -------------
+// Memory for AES KEY WRAP processing.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2018, NORDUnet A/S
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// - Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// - Neither the name of the NORDUnet nor the names of its contributors may
+// be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//======================================================================
+
+module keywrap_mem
+
+ (
+ input wire sys_clk,
+ input wire reset_n
+ );
+
+endmodule // keywrap_mem
+
+//======================================================================
+// EOF keywrap_mem.v
+//======================================================================
diff --git a/src/tb/tb_keywrap_mem.v b/src/tb/tb_keywrap_mem.v
new file mode 100644
index 0000000..c96bf04
--- /dev/null
+++ b/src/tb/tb_keywrap_mem.v
@@ -0,0 +1,100 @@
+//======================================================================
+//
+// tb_keywrap_mem.v
+// ----------------
+// Testbench for the keywrap mempory.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2018, NORDUnet A/S
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// - Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// - Neither the name of the NORDUnet nor the names of its contributors may
+// be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//======================================================================
+
+module tb_keywrap_mem();
+
+ parameter CLK_HALF_PERIOD = 1;
+ parameter CLK_PERIOD = 2 * CLK_HALF_PERIOD;
+
+ integer cycle_ctr;
+ reg tb_sys_clk;
+ reg tb_reset_n;
+
+
+ //----------------------------------------------------------------
+ // clk_gen
+ //
+ // Always running clock generator process.
+ //----------------------------------------------------------------
+ always
+ begin : clk_gen
+ #CLK_HALF_PERIOD;
+ tb_sys_clk = !tb_sys_clk;
+ end // clk_gen
+
+
+ //----------------------------------------------------------------
+ // sys_monitor()
+ //
+ // An always running process that creates a cycle counter and
+ // conditionally displays information about the DUT.
+ //----------------------------------------------------------------
+ always
+ begin : sys_monitor
+ cycle_ctr = cycle_ctr + 1;
+
+ #(CLK_PERIOD);
+ end
+
+
+ //----------------------------------------------------------------
+ // init_sim()
+ //
+ // Initialize all counters and testbed functionality as well
+ // as setting the DUT inputs to defined values.
+ //----------------------------------------------------------------
+ initial
+ begin
+ cycle_ctr = 0;
+ tb_sys_clk = 0;
+ tb_reset_n = 0;
+
+ #(CLK_PERIOD * 10);
+
+ tb_reset_n = 1;
+
+ #(CLK_PERIOD * 10);
+ $finish;
+ end
+
+endmodule // tb_keywrap_mem
+
+//======================================================================
+// EOF tb_keywrap_mem.v
+//======================================================================