-- $Id: sys_conf.vhd 314 2010-07-09 17:38:41Z mueller $
|
-- $Id: sys_conf.vhd 314 2010-07-09 17:38:41Z mueller $
|
--
|
--
|
-- Copyright 2007-2008 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
|
-- Copyright 2007-2008 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
|
--
|
--
|
-- This program is free software; you may redistribute and/or modify it under
|
-- This program is free software; you may redistribute and/or modify it under
|
-- the terms of the GNU General Public License as published by the Free
|
-- the terms of the GNU General Public License as published by the Free
|
-- Software Foundation, either version 2, or at your option any later version.
|
-- Software Foundation, either version 2, or at your option any later version.
|
--
|
--
|
-- This program is distributed in the hope that it will be useful, but
|
-- This program is distributed in the hope that it will be useful, but
|
-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
|
-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
|
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
-- for complete details.
|
-- for complete details.
|
--
|
--
|
------------------------------------------------------------------------------
|
------------------------------------------------------------------------------
|
-- Package Name: sys_conf
|
-- Package Name: sys_conf
|
-- Description: Default definitions for pdp11core (for simple test benches)
|
-- Description: Default definitions for pdp11core (for simple test benches)
|
--
|
--
|
-- Dependencies: -
|
-- Dependencies: -
|
-- Tool versions: xst 8.1, 8.2, 9.1, 9.2; ghdl 0.18-0.25
|
-- Tool versions: xst 8.1, 8.2, 9.1, 9.2; ghdl 0.18-0.25
|
-- Revision History:
|
-- Revision History:
|
-- Date Rev Version Comment
|
-- Date Rev Version Comment
|
-- 2008-02-23 118 1.0 Initial version
|
-- 2008-02-23 118 1.0 Initial version
|
------------------------------------------------------------------------------
|
------------------------------------------------------------------------------
|
|
|
library ieee;
|
library ieee;
|
use ieee.std_logic_1164.all;
|
use ieee.std_logic_1164.all;
|
|
|
use work.slvtypes.all;
|
use work.slvtypes.all;
|
|
|
package sys_conf is
|
package sys_conf is
|
|
|
constant sys_conf_bram_awidth : integer := 15; -- 32 kB BRAM
|
constant sys_conf_bram_awidth : integer := 15; -- 32 kB BRAM
|
constant sys_conf_mem_losize : integer := 8#000777#;-- 32 kByte
|
constant sys_conf_mem_losize : integer := 8#000777#;-- 32 kByte
|
-- constant sys_conf_bram_awidth : integer := 14; -- 16 kB BRAM
|
-- constant sys_conf_bram_awidth : integer := 14; -- 16 kB BRAM
|
-- constant sys_conf_mem_losize : integer := 8#000377#;-- 16 kByte
|
-- constant sys_conf_mem_losize : integer := 8#000377#;-- 16 kByte
|
|
|
end package sys_conf;
|
end package sys_conf;
|
|
|
-- Note: mem_losize holds 16 MSB of the PA of the addressable memory
|
-- Note: mem_losize holds 16 MSB of the PA of the addressable memory
|
-- 2 211 111 111 110 000 000 000
|
-- 2 211 111 111 110 000 000 000
|
-- 1 098 765 432 109 876 543 210
|
-- 1 098 765 432 109 876 543 210
|
--
|
--
|
-- 0 000 000 011 111 111 000 000 -> 00037777 --> 14bit --> 16 kByte
|
-- 0 000 000 011 111 111 000 000 -> 00037777 --> 14bit --> 16 kByte
|
-- 0 000 000 011 111 111 000 000 -> 00077777 --> 15bit --> 32 kByte
|
-- 0 000 000 011 111 111 000 000 -> 00077777 --> 15bit --> 32 kByte
|
-- 0 011 111 111 111 111 000 000 -> 03777777 --> 20bit --> 1 MByte
|
-- 0 011 111 111 111 111 000 000 -> 03777777 --> 20bit --> 1 MByte
|
-- 1 110 111 111 111 111 000 000 -> 16777777 --> 22bit --> 4 MByte
|
-- 1 110 111 111 111 111 000 000 -> 16777777 --> 22bit --> 4 MByte
|
-- upper 256 kB excluded for 11/70 UB
|
-- upper 256 kB excluded for 11/70 UB
|
|
|