Subversion Repositories lxp32

---------------------------------------------------------------------

-- Common package for LXP32 testbenches

--

-- Part of the LXP32 verification environment

--

-- Copyright (c) 2016 by Alex I. Kuznetsov

--

-- Note: the "rand" function declared in this package implements

-- a linear congruent pseudo-random number generator as defined in

-- the ISO/IEC 9899:1999 standard.

---------------------------------------------------------------------

library ieee;

use ieee.std_logic_1164.all;

use ieee.numeric_std.all;

package common_pkg is

        shared variable rand_state: unsigned(31 downto 0):=to_unsigned(1,32);

        impure function rand return integer;

        impure function rand(a: integer; b: integer) return integer;

        function hex_string(x: std_logic_vector) return string;

end package;