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library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
package test_pkg is
generic (type t_element;
function to_string_element(element : t_element) return string
);
end package;
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
entity test is
end entity test;
architecture beh of test is
type t_record is record
address : std_logic_vector(7 downto 0);
data : std_logic_vector(7 downto 0);
end record t_record;
function record_to_string(
constant rec_data : t_record
) return string is
begin
return "address: " & to_string(rec_data.address) & ", data: " & to_string(rec_data.data);
end function record_to_string;
package record_pkg is new work.test_pkg
generic map (t_element => t_record,
to_string_element => record_to_string);
use record_pkg.all;
begin
process
variable v_input : t_record := (x"AA", x"BB");
begin
report "Val is " & to_string_element(v_input) severity note;
wait;
end process;
end architecture beh;
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