simple_ram_behavioural_helpers.vhdl

   1 library ieee;
   2 use ieee.std_logic_1164.all;
   3
   4 package simple_ram_behavioural_helpers is
   5     function behavioural_initialize (filename: String; size: integer) return integer;
   6     attribute foreign of behavioural_initialize : function is "VHPIDIRECT behavioural_initialize";
   7
   8     procedure behavioural_read (val: out std_ulogic_vector(63 downto 0); addr: std_ulogic_vector(63 downto 0); length: integer; identifier: integer; reload: integer);
   9     attribute foreign of behavioural_read : procedure is "VHPIDIRECT behavioural_read";
  10
  11     procedure behavioural_write (val: std_ulogic_vector(63 downto 0); addr: std_ulogic_vector(63 downto 0); length: integer; identifier: integer);
  12     attribute foreign of behavioural_write : procedure is "VHPIDIRECT behavioural_write";
  13 end simple_ram_behavioural_helpers;
  14
  15 package body simple_ram_behavioural_helpers is
  16     function behavioural_initialize (filename: String; size: integer) return integer is
  17     begin
  18         assert false report "VHPI" severity failure;
  19     end behavioural_initialize;
  20
  21     procedure behavioural_read (val: out std_ulogic_vector(63 downto 0); addr: std_ulogic_vector(63 downto 0); length: integer; identifier: integer; reload: integer) is
  22     begin
  23         assert false report "VHPI" severity failure;
  24     end behavioural_read;
  25
  26     procedure behavioural_write (val: std_ulogic_vector(63 downto 0); addr: std_ulogic_vector(63 downto 0); length: integer; identifier: integer) is
  27     begin
  28         assert false report "VHPI" severity failure;
  29     end behavioural_write;
  30 end simple_ram_behavioural_helpers;