Initial commit

Libs/Memory/hdl/bram_hexRead.vhd

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+library ieee;
+  use std.textio.all;
+  use ieee.std_logic_textio.all;
+
+ARCHITECTURE hexRead OF bram IS
+    -- Define ramContent type
+  type ramContentType is array(0 to (2**addressBitNb)-1) of std_logic_vector(dataBitNb-1 DOWNTO 0);
+
+  -- Define function to create initvalue signal
+  impure function ReadRamContentFromFile(ramContentFilenAme : in string) return ramContentType is
+    FILE     ramContentFile     : text is in ramContentFilenAme;
+    variable ramContentFileLine : line;
+    variable ramContent         : ramContentType;
+  begin
+    for i in ramContentType'range loop
+      readline(ramContentFile, ramContentFileLine);
+      HREAD(ramContentFileLine, ramContent(i));
+    end loop;
+    return ramContent;
+  end function;
+
+  -- Declare ramContent signal
+  shared variable ramContent: ramContentType := ReadRamContentFromFile(initFile);
+
+BEGIN
+
+  -- Port A
+  process(clock)
+  begin
+    if clock'event and clock='1' then
+      if en = '1' then
+        if writeEn = '1' then
+          dataOut <= dataIn;
+          ramContent(to_integer(unsigned(addressIn))) := std_logic_vector(dataIn);
+        else
+          dataOut <= to_stdulogicvector(ramContent(to_integer(unsigned(addressIn))));
+        end if;
+      end if;
+    end if;
+  end process;
+
+END ARCHITECTURE hexRead;