ipbus_decode_efex_common_id_version.vhd

-- Address decode logic for ipbus fabric
-- 
-- This file has been AUTOGENERATED from the address table - do not hand edit
-- 
-- We assume the synthesis tool is clever enough to recognise exclusive conditions
-- in the if statement.
-- 
-- Dave Newbold, February 2011
 
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use ieee.numeric_std.all;
 
package ipbus_decode_efex_common_id_version is
 
  constant IPBUS_SEL_WIDTH: positive := 3;
  subtype ipbus_sel_t is std_logic_vector(IPBUS_SEL_WIDTH - 1 downto 0);
  function ipbus_sel_efex_common_id_version(addr : in std_logic_vector(31 downto 0)) return ipbus_sel_t;
 
-- START automatically  generated VHDL the Fri Nov 13 12:21:26 2020 
  constant N_SLV_MODULE_ID: integer := 0;
  constant N_SLV_XML_VERSION: integer := 1;
  constant N_SLV_BUILD_TIME_AND_DATE: integer := 2;
  constant N_SLV_FIRMWARE_VERSION: integer := 3;
  constant N_SLAVES: integer := 4;
-- END automatically generated VHDL
 
    
end ipbus_decode_efex_common_id_version;
 
package body ipbus_decode_efex_common_id_version is
 
  function ipbus_sel_efex_common_id_version(addr : in std_logic_vector(31 downto 0)) return ipbus_sel_t is
    variable sel: ipbus_sel_t;
  begin
 
-- START automatically  generated VHDL the Fri Nov 13 12:21:26 2020 
    if    std_match(addr, "-----------------------------00-") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_MODULE_ID, IPBUS_SEL_WIDTH)); -- module_id / base 0x00000000 / mask 0x00000006
    elsif std_match(addr, "-----------------------------01-") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_XML_VERSION, IPBUS_SEL_WIDTH)); -- xml_version / base 0x00000002 / mask 0x00000006
    elsif std_match(addr, "-----------------------------10-") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_BUILD_TIME_AND_DATE, IPBUS_SEL_WIDTH)); -- build_time_and_date / base 0x00000004 / mask 0x00000006
    elsif std_match(addr, "-----------------------------11-") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_FIRMWARE_VERSION, IPBUS_SEL_WIDTH)); -- firmware_version / base 0x00000006 / mask 0x00000006
-- END automatically generated VHDL
 
    else
        sel := ipbus_sel_t(to_unsigned(N_SLAVES, IPBUS_SEL_WIDTH));
    end if;
 
    return sel;
 
  end function ipbus_sel_efex_common_id_version;
 
end ipbus_decode_efex_common_id_version;