Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main

pipelined/src/generic/binencoder.sv

@@ -0,0 +1,36 @@
+///////////////////////////////////////////
+// prioritythermometer.sv
+//
+// Written: ross1728@gmail.com November 14, 2022
+//
+// Purpose: one-hot to binary encoding.
+//
+// A component of the Wally configurable RISC-V project.
+//
+// Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
+// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
+// is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
+// OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+///////////////////////////////////////////
+
+module binencoder #(parameter N = 8) (
+  input logic [N-1:0] A,
+  output logic [$clog2(N)-1:0] Y);
+
+  integer                      index;
+  always_comb  begin
+    Y = 0;
+    for(index = 0; index < N; index++) 
+      if(A[index] == 1'b1) Y = index[$clog2(N)-1:0];
+  end
+
+endmodule