From 07c30b37ebb7a3a63158990e1e327a62305cec3a Mon Sep 17 00:00:00 2001
From: Tristan Gingold
Date: Sun, 11 Jan 2015 06:19:01 +0100
Subject: Add testcase for ticket29.

---
 testsuite/gna/ticket29/debugtools.vhdl | 84 ++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 testsuite/gna/ticket29/debugtools.vhdl

(limited to 'testsuite/gna/ticket29/debugtools.vhdl')

diff --git a/testsuite/gna/ticket29/debugtools.vhdl b/testsuite/gna/ticket29/debugtools.vhdl
new file mode 100644
index 0000000..0665a70
--- /dev/null
+++ b/testsuite/gna/ticket29/debugtools.vhdl
@@ -0,0 +1,84 @@
+library ieee;
+use Std.TextIO.all;
+use ieee.STD_LOGIC_1164.all;
+use ieee.numeric_std.all;
+
+package debugtools is
+
+    function to_string(sv: Std_Logic_Vector) return string;
+    function to_hstring(sv: Std_Logic_Vector) return string;
+    function to_hstring(sv: unsigned) return string;
+    procedure HWRITE(L:inout LINE; VALUE:in BIT_VECTOR;
+    JUSTIFIED:in SIDE := RIGHT; FIELD:in WIDTH := 0);
+
+end debugtools;
+
+package body debugtools is
+
+      procedure HWRITE(L:inout LINE; VALUE:in BIT_VECTOR;
+    JUSTIFIED:in SIDE := RIGHT; FIELD:in WIDTH := 0) is      
+      variable quad: bit_vector(0 to 3);
+      constant ne:   integer := value'length/4;
+      variable bv:   bit_vector(0 to value'length-1) := value;
+      variable s:    string(1 to ne);
+    begin
+      if value'length mod 4 /= 0 then
+        assert FALSE report 
+          "HWRITE Error: Trying to read vector " &
+          "with an odd (non multiple of 4) length";
+        return;
+      end if;
+      
+      for i in 0 to ne-1 loop
+        quad := bv(4*i to 4*i+3);
+        case quad is
+          when x"0" => s(i+1) := '0';
+          when x"1" => s(i+1) := '1';
+          when x"2" => s(i+1) := '2';
+          when x"3" => s(i+1) := '3';
+          when x"4" => s(i+1) := '4';
+          when x"5" => s(i+1) := '5';
+          when x"6" => s(i+1) := '6';
+          when x"7" => s(i+1) := '7';
+          when x"8" => s(i+1) := '8';
+          when x"9" => s(i+1) := '9';
+          when x"A" => s(i+1) := 'A';
+          when x"B" => s(i+1) := 'B';
+          when x"C" => s(i+1) := 'C';
+          when x"D" => s(i+1) := 'D';
+          when x"E" => s(i+1) := 'E';
+          when x"F" => s(i+1) := 'F';
+        end case;
+      end loop;
+      write(L, s, JUSTIFIED, FIELD);
+    end HWRITE; 
+    
+    function to_string(sv: Std_Logic_Vector) return string is
+      use Std.TextIO.all;
+      
+      variable bv: bit_vector(sv'range) := to_bitvector(sv);
+      variable lp: line;
+    begin
+      write(lp, bv);
+      return lp.all;
+    end;
+
+    function to_hstring(sv: Std_Logic_Vector) return string is
+      use Std.TextIO.all;
+      
+      variable bv: bit_vector(sv'range) := to_bitvector(sv);
+      variable lp: line;
+    begin
+      hwrite(lp, bv);
+      return lp.all;
+    end;
+
+    function to_hstring(sv: unsigned) return string is
+      use Std.TextIO.all;
+      
+    begin
+      return to_hstring(std_logic_vector(sv));
+    end;
+
+      
+end debugtools;
-- 
cgit