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								# ======================================================================
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								# DES encryption/decryption
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								# algorithm according to FIPS 46-3 specification
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								# Copyright (C) 2011 Torsten Meissner
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								#-----------------------------------------------------------------------
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								# This program is free software; you can redistribute it and/or modify
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								# it under the terms of the GNU General Public License as published by
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								# the Free Software Foundation; either version 2 of the License, or
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								# (at your option) any later version.
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								# This program is distributed in the hope that it will be useful,
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								# but WITHOUT ANY WARRANTY; without even the implied warranty of
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								# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								# GNU General Public License for more details.
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								# You should have received a copy of the GNU General Public License
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								# along with this program; if not, write to the Free Software
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								# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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								# ======================================================================
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								all : sim wave
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								sim : tb_des.ghw
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								tb_des.ghw : ../../rtl/vhdl/*.vhd tb_des.vhd
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									ghdl -a ../../rtl/vhdl/des_pkg.vhd ../../rtl/vhdl/des.vhd tb_des.vhd
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									ghdl -e tb_des
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									ghdl -r tb_des --wave=tb_des.ghw --assert-level=error --stop-time=100us
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								wave : tb_des.ghw
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									gtkwave -S tb_des.tcl tb_des.ghw
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								clean :
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									echo "# cleaning simulation files"
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									rm -f tb_des
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									rm -f *.o
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									rm -f tb_des.ghw
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									rm -f work*.cf
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