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arif_endro |
-- ------------------------------------------------------------------------
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-- Copyright (C) 2010 Arif Endro Nugroho
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-- All rights reserved.
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions
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-- are met:
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--
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-- 1. Redistributions of source code must retain the above copyright
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-- notice, this list of conditions and the following disclaimer.
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-- 2. Redistributions in binary form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- THIS SOFTWARE IS PROVIDED BY ARIF ENDRO NUGROHO "AS IS" AND ANY EXPRESS
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-- OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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-- DISCLAIMED. IN NO EVENT SHALL ARIF ENDRO NUGROHO BE LIABLE FOR ANY
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-- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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-- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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-- ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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-- POSSIBILITY OF SUCH DAMAGE.
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--
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-- End Of License.
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-- ------------------------------------------------------------------------
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entity smap is
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port (
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lsfr : in bit_vector (511 downto 0);
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s0 : out bit_vector ( 31 downto 0);
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s1 : out bit_vector ( 31 downto 0);
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s2 : out bit_vector ( 31 downto 0);
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s3 : out bit_vector ( 31 downto 0);
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s4 : out bit_vector ( 31 downto 0);
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s5 : out bit_vector ( 31 downto 0);
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s6 : out bit_vector ( 31 downto 0);
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s7 : out bit_vector ( 31 downto 0);
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s8 : out bit_vector ( 31 downto 0);
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s9 : out bit_vector ( 31 downto 0);
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sa : out bit_vector ( 31 downto 0);
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sb : out bit_vector ( 31 downto 0);
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sc : out bit_vector ( 31 downto 0);
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sd : out bit_vector ( 31 downto 0);
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se : out bit_vector ( 31 downto 0);
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sf : out bit_vector ( 31 downto 0)
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);
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end smap;
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architecture phy of smap is
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begin
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--persistent connection
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s0 <= lsfr(511 downto 480);
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s1 <= lsfr(479 downto 448);
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s2 <= lsfr(447 downto 416);
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s3 <= lsfr(415 downto 384);
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s4 <= lsfr(383 downto 352);
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s5 <= lsfr(351 downto 320);
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s6 <= lsfr(319 downto 288);
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s7 <= lsfr(287 downto 256);
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s8 <= lsfr(255 downto 224);
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s9 <= lsfr(223 downto 192);
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sa <= lsfr(191 downto 160);
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sb <= lsfr(159 downto 128);
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sc <= lsfr(127 downto 96);
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sd <= lsfr( 95 downto 64);
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se <= lsfr( 63 downto 32);
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sf <= lsfr( 31 downto 0);
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--persistent connection
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end phy;
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