[hdl] properly fix f_log2 functions from commit 888ea716

Signed-off-by: Dimitris Lampridis <dimitris.lampridis@cern.ch>

[hdl] properly fix f_log2 functions from commit 888ea716
Signed-off-by: Dimitris Lampridis <dimitris.lampridis@cern.ch>
a96c8849 · Dimitris Lampridis · 888ea716 · a96c8849 · a96c8849
Commit a96c8849 authored Mar 05, 2020 by Dimitris Lampridis
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gencores_pkg.vhd modules/common/gencores_pkg.vhd +2 -0

genram_pkg.vhd modules/genrams/genram_pkg.vhd +4 -1

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--- a/modules/common/gencores_pkg.vhd
+++ b/modules/common/gencores_pkg.vhd
@@ -45,6 +45,8 @@ package gencores_pkg is
  function f_gray_encode(x : std_logic_vector) return std_logic_vector;
  function f_gray_decode(x : std_logic_vector; step : natural) return std_logic_vector;

+  function f_log2_ceil(N : natural) return positive;
+  -- kept for backwards compatibility, same as f_log2_ceil()
  function log2_ceil(N : natural) return positive;

  function f_bool2int (b : boolean) return natural;

--- a/modules/genrams/genram_pkg.vhd
+++ b/modules/genrams/genram_pkg.vhd
@@ -26,6 +26,9 @@ library ieee;
 use ieee.std_logic_1164.all;
 use ieee.numeric_std.all;

+library work;
+use work.gencores_pkg.all;
+
 package genram_pkg is

  function f_log2_size (A       : natural) return natural;
@@ -251,7 +254,7 @@ package body genram_pkg is
  -- kept for backwards compatibility
  function f_log2_size (A : natural) return natural is
  begin
-    return f_log2_ceil(N);
+    return f_log2_ceil(A);
  end function f_log2_size;

  function f_gen_dummy_vec (val : std_logic; size : natural) return std_logic_vector is