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nuxi1209 |
-------------------------------------------------------------------
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-- --
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-- Copyright (C) 2013 Author and VariStream Studio --
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-- Author : Yu Peng --
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-- --
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-- This source file may be used and distributed without --
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-- restriction provided that this copyright statement is not --
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-- removed from the file and that any derivative work contains --
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-- the original copyright notice and the associated disclaimer. --
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-- --
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-- This source file is free software; you can redistribute it --
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-- and/or modify it under the terms of the GNU Lesser General --
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-- Public License as published by the Free Software Foundation; --
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-- either version 2.1 of the License, or (at your option) any --
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-- later version. --
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-- --
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-- This source is distributed in the hope that it will be --
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-- useful, but WITHOUT ANY WARRANTY; without even the implied --
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-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR --
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-- PURPOSE. See the GNU Lesser General Public License for more --
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-- details. --
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-- --
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-- You should have received a copy of the GNU Lesser General --
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-- Public License along with this source; if not, download it --
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-- from http://www.opencores.org/lgpl.shtml --
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-- --
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-------------------------------------------------------------------
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nuxi1209 |
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library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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use IEEE.std_logic_unsigned.all;
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use IEEE.std_logic_arith.all;
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use IEEE.NUMERIC_STD.all;
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use work.sha_256_pkg.ALL;
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entity sha_256_chunk is
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generic(
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gMSG_IS_CONSTANT : std_logic_vector(0 to 15) := (others=>'1');
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gH_IS_CONST : std_logic_vector(0 to 7) := (others=>'0');
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gBASE_DELAY : integer := 3;
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gOUT_VALID_GEN : boolean := false;
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gUSE_BRAM_AS_LARGE_SHIFTREG : boolean := false
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);
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port(
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iClk : in std_logic := '0';
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iRst_async : in std_logic := '0';
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iValid : in std_logic := '0';
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ivMsgDword : in tDwordArray(0 to 15) := (others=>(others=>'0'));
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ivH0 : in std_logic_vector(31 downto 0) := (others=>'0');
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ivH1 : in std_logic_vector(31 downto 0) := (others=>'0');
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ivH2 : in std_logic_vector(31 downto 0) := (others=>'0');
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ivH3 : in std_logic_vector(31 downto 0) := (others=>'0');
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ivH4 : in std_logic_vector(31 downto 0) := (others=>'0');
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ivH5 : in std_logic_vector(31 downto 0) := (others=>'0');
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ivH6 : in std_logic_vector(31 downto 0) := (others=>'0');
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ivH7 : in std_logic_vector(31 downto 0) := (others=>'0');
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ovH0 : out std_logic_vector(31 downto 0) := (others=>'0');
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ovH1 : out std_logic_vector(31 downto 0) := (others=>'0');
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ovH2 : out std_logic_vector(31 downto 0) := (others=>'0');
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ovH3 : out std_logic_vector(31 downto 0) := (others=>'0');
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ovH4 : out std_logic_vector(31 downto 0) := (others=>'0');
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ovH5 : out std_logic_vector(31 downto 0) := (others=>'0');
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ovH6 : out std_logic_vector(31 downto 0) := (others=>'0');
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ovH7 : out std_logic_vector(31 downto 0) := (others=>'0');
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oValid : out std_logic := '0'
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);
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end sha_256_chunk;
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architecture behavioral of sha_256_chunk is
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component pipelines_without_reset IS
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GENERIC (gBUS_WIDTH : integer := 3; gNB_PIPELINES: integer range 1 to 255 := 2);
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PORT(
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iClk : IN STD_LOGIC;
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iInput : IN STD_LOGIC;
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ivInput : IN STD_LOGIC_VECTOR(gBUS_WIDTH-1 downto 0);
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oDelayed_output : OUT STD_LOGIC;
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ovDelayed_output : OUT STD_LOGIC_VECTOR(gBUS_WIDTH-1 downto 0)
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);
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end component;
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component SyncReset is
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port(
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iClk : in std_logic; -- Clock domain that the reset should be resynchronyze to
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iAsyncReset : in std_logic; -- Asynchronous reset that should be resynchronyse
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oSyncReset : out std_logic -- Synchronous reset output
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);
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end component;
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component sync_fifo_infer is
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generic (
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gADDRESS_WIDTH : integer range 4 to (integer'HIGH) := 5;
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gDATA_WIDTH : integer := 24;
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gDYNAMIC_PROG_FULL_TH : boolean := false;
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gDYNAMIC_PROG_EMPTY_TH : boolean := false;
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gOUTPUT_PIPELINE_NUM : integer range 1 to (integer'HIGH) := 1
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);
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port(
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iClk : in std_logic := '0';
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iReset_sync : in std_logic := '0';
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ivProgFullTh : in std_logic_vector(gADDRESS_WIDTH-1 downto 0) := conv_std_logic_vector(2**gADDRESS_WIDTH-3, gADDRESS_WIDTH);
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ivProgEmptyTh : in std_logic_vector(gADDRESS_WIDTH-1 downto 0) := conv_std_logic_vector(2, gADDRESS_WIDTH);
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iWrEn : in std_logic := '0';
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iRdEn : in std_logic := '0';
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ivDataIn : in std_logic_vector(gDATA_WIDTH-1 downto 0) := (others=>'0');
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ovDataOut : out std_logic_vector(gDATA_WIDTH-1 downto 0) := (others=>'0');
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oDataOutValid : out std_logic := '0';
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oFull : out std_logic := '0';
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oEmpty : out std_logic := '1';
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oAlmostFull : out std_logic := '0';
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oAlmostEmpty : out std_logic := '1';
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oProgFull : out std_logic := '0';
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oProgEmpty : out std_logic := '1';
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oOverflow : out std_logic := '0';
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oUnderflow : out std_logic := '0'
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);
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end component;
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component sha_256_ext_func is
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port(
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iClk : in std_logic;
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iRst_async : in std_logic;
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ivWIM2 : in std_logic_vector(31 downto 0);
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ivWIM7 : in std_logic_vector(31 downto 0);
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ivWIM15 : in std_logic_vector(31 downto 0);
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ivWIM16 : in std_logic_vector(31 downto 0);
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ovWO : out std_logic_vector(31 downto 0)
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);
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end component;
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component sha_256_ext_func_1c is
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port(
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iClk : in std_logic;
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iRst_async : in std_logic;
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ivWIM2 : in std_logic_vector(31 downto 0);
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ivWIM7 : in std_logic_vector(31 downto 0);
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ivWIM15 : in std_logic_vector(31 downto 0);
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ivWIM16 : in std_logic_vector(31 downto 0);
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ovWO : out std_logic_vector(31 downto 0)
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);
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end component;
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component sha_256_comp_func is
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port(
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iClk : in std_logic;
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iRst_async : in std_logic;
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ivA : in std_logic_vector(31 downto 0);
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ivB : in std_logic_vector(31 downto 0);
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ivC : in std_logic_vector(31 downto 0);
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ivD : in std_logic_vector(31 downto 0);
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ivE : in std_logic_vector(31 downto 0);
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ivF : in std_logic_vector(31 downto 0);
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ivG : in std_logic_vector(31 downto 0);
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ivH : in std_logic_vector(31 downto 0);
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ivK : in std_logic_vector(31 downto 0);
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ivW : in std_logic_vector(31 downto 0);
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ovA : out std_logic_vector(31 downto 0);
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ovB : out std_logic_vector(31 downto 0);
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ovC : out std_logic_vector(31 downto 0);
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ovD : out std_logic_vector(31 downto 0);
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ovE : out std_logic_vector(31 downto 0);
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ovF : out std_logic_vector(31 downto 0);
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ovG : out std_logic_vector(31 downto 0);
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ovH : out std_logic_vector(31 downto 0)
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);
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end component;
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component sha_256_comp_func_1c is
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port(
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iClk : in std_logic;
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iRst_async : in std_logic;
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ivA : in std_logic_vector(31 downto 0);
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ivB : in std_logic_vector(31 downto 0);
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ivC : in std_logic_vector(31 downto 0);
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ivD : in std_logic_vector(31 downto 0);
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ivE : in std_logic_vector(31 downto 0);
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ivF : in std_logic_vector(31 downto 0);
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ivG : in std_logic_vector(31 downto 0);
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ivH : in std_logic_vector(31 downto 0);
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ivK : in std_logic_vector(31 downto 0);
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ivW : in std_logic_vector(31 downto 0);
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ovA : out std_logic_vector(31 downto 0);
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ovB : out std_logic_vector(31 downto 0);
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ovC : out std_logic_vector(31 downto 0);
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ovD : out std_logic_vector(31 downto 0);
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ovE : out std_logic_vector(31 downto 0);
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ovF : out std_logic_vector(31 downto 0);
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ovG : out std_logic_vector(31 downto 0);
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ovH : out std_logic_vector(31 downto 0)
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);
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end component;
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constant cvK : tDwordArray(0 to 63) := (
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X"428a2f98", X"71374491", X"b5c0fbcf", X"e9b5dba5", X"3956c25b", X"59f111f1", X"923f82a4", X"ab1c5ed5",
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X"d807aa98", X"12835b01", X"243185be", X"550c7dc3", X"72be5d74", X"80deb1fe", X"9bdc06a7", X"c19bf174",
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X"e49b69c1", X"efbe4786", X"0fc19dc6", X"240ca1cc", X"2de92c6f", X"4a7484aa", X"5cb0a9dc", X"76f988da",
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X"983e5152", X"a831c66d", X"b00327c8", X"bf597fc7", X"c6e00bf3", X"d5a79147", X"06ca6351", X"14292967",
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X"27b70a85", X"2e1b2138", X"4d2c6dfc", X"53380d13", X"650a7354", X"766a0abb", X"81c2c92e", X"92722c85",
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X"a2bfe8a1", X"a81a664b", X"c24b8b70", X"c76c51a3", X"d192e819", X"d6990624", X"f40e3585", X"106aa070",
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X"19a4c116", X"1e376c08", X"2748774c", X"34b0bcb5", X"391c0cb3", X"4ed8aa4a", X"5b9cca4f", X"682e6ff3",
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X"748f82ee", X"78a5636f", X"84c87814", X"8cc70208", X"90befffa", X"a4506ceb", X"bef9a3f7", X"c67178f2");
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constant cvW_IS_CONST : std_logic_vector(0 to 63) := getW_IS_CONST(gMSG_IS_CONSTANT);
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type tDword2DArrayRow64Col64 is array(0 to 63) of tDwordArray(0 to 63);
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signal svResetHShiftFifo_sync : std_logic_vector(0 to 7) := (others=>'0');
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signal svH0 : std_logic_vector(31 downto 0) := (others=>'0');
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signal svH1 : std_logic_vector(31 downto 0) := (others=>'0');
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signal svH2 : std_logic_vector(31 downto 0) := (others=>'0');
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signal svH3 : std_logic_vector(31 downto 0) := (others=>'0');
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signal svH4 : std_logic_vector(31 downto 0) := (others=>'0');
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signal svH5 : std_logic_vector(31 downto 0) := (others=>'0');
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signal svH6 : std_logic_vector(31 downto 0) := (others=>'0');
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signal svH7 : std_logic_vector(31 downto 0) := (others=>'0');
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signal sHShiftFifoRdEn : std_logic := '0';
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signal svAPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svBPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svCPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svDPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svEPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svFPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svGPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svHPipe : tDwordArray(0 to 64) := (others=>(others=>'0'));
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signal svW : tDword2DArrayRow64Col64 := (others=>(others=>(others=>'0')));
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begin
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-- Description of Algorithm
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-- for i in 16 to 63 loop
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-- s0 := (w[i-15] rightrotate 7) xor (w[i-15] rightrotate 18) xor (w[i-15] rightshift 3)
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-- s1 := (w[i-2] rightrotate 17) xor (w[i-2] rightrotate 19) xor (w[i-2] rightshift 10)
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-- w[i] := w[i-16] + s0 + w[i-7] + s1
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-- end loop
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257 |
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W_col_00_gen : for row in 0 to 15 generate
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svW(row)(0) <= ivMsgDword(row);
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end generate;
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W_01_to_15_gen_row : for row in 1 to 15 generate
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263 |
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W_01_to_15_gen_col : for col in 1 to row generate
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264 |
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W_01_to_15_gen_const : if cvW_IS_CONST(row) = '1' generate
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svW(row)(col) <= svW(row)(col - 1);
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end generate;
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W_01_to_15_gen_var : if cvW_IS_CONST(row) = '0' generate
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pipelines_without_reset_inst: pipelines_without_reset
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GENERIC map(
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gBUS_WIDTH => 32,
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gNB_PIPELINES => gBASE_DELAY)
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PORT map(
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iClk => iClk,
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iInput => '0',
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oDelayed_output => open,
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ivInput => svW(row)(col - 1),
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ovDelayed_output => svW(row)(col)
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);
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end generate;
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end generate;
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end generate;
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283 |
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284 |
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W_16_to_63_gen_row : for row in 16 to 63 generate
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285 |
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W_16_to_63_gen_col : for col in (row - 15) to row generate
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286 |
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W_16_to_63_gen_const : if cvW_IS_CONST(row) = '1' generate
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287 |
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W_16_to_63_gen_const_first : if col = (row - 15) generate
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288 |
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svW(row)(col) <= svW(row - 16)(col - 1) + sigma_0(svW(row - 15)(col - 1)) + svW(row - 7)(col - 1) + sigma_1(svW(row - 2)(col - 1));
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end generate;
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290 |
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291 |
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W_16_to_63_gen_const_rest : if col > (row - 15) generate
|
292 |
|
|
svW(row)(col) <= svW(row)(col - 1);
|
293 |
|
|
end generate;
|
294 |
|
|
end generate;
|
295 |
|
|
|
296 |
|
|
W_16_to_63_gen_var : if cvW_IS_CONST(row) = '0' generate
|
297 |
|
|
W_16_to_63_gen_var_first : if col = (row - 15) generate
|
298 |
|
|
W_16_to_63_gen_var_first_3c : if gBASE_DELAY = 3 generate
|
299 |
|
|
sha_256_ext_func_inst: sha_256_ext_func
|
300 |
|
|
port map(
|
301 |
|
|
iClk => iClk,
|
302 |
|
|
iRst_async => iRst_async,
|
303 |
|
|
|
304 |
|
|
ivWIM2 => svW(row-2)(col - 1),
|
305 |
|
|
ivWIM7 => svW(row-7)(col - 1),
|
306 |
|
|
ivWIM15 => svW(row-15)(col - 1),
|
307 |
|
|
ivWIM16 => svW(row-16)(col - 1),
|
308 |
|
|
|
309 |
|
|
ovWO => svW(row)(col)
|
310 |
|
|
);
|
311 |
|
|
end generate;
|
312 |
|
|
|
313 |
|
|
W_16_to_63_gen_var_first_1c : if gBASE_DELAY = 1 generate
|
314 |
|
|
sha_256_ext_func_inst: sha_256_ext_func_1c
|
315 |
|
|
port map(
|
316 |
|
|
iClk => iClk,
|
317 |
|
|
iRst_async => iRst_async,
|
318 |
|
|
|
319 |
|
|
ivWIM2 => svW(row-2)(col - 1),
|
320 |
|
|
ivWIM7 => svW(row-7)(col - 1),
|
321 |
|
|
ivWIM15 => svW(row-15)(col - 1),
|
322 |
|
|
ivWIM16 => svW(row-16)(col - 1),
|
323 |
|
|
|
324 |
|
|
ovWO => svW(row)(col)
|
325 |
|
|
);
|
326 |
|
|
end generate;
|
327 |
|
|
end generate;
|
328 |
|
|
|
329 |
|
|
W_16_to_63_gen_var_rest : if col > (row - 15) generate
|
330 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
331 |
|
|
GENERIC map(
|
332 |
|
|
gBUS_WIDTH => 32,
|
333 |
|
|
gNB_PIPELINES => gBASE_DELAY)
|
334 |
|
|
PORT map(
|
335 |
|
|
iClk => iClk,
|
336 |
|
|
iInput => '0',
|
337 |
|
|
oDelayed_output => open,
|
338 |
|
|
ivInput => svW(row)(col - 1),
|
339 |
|
|
ovDelayed_output => svW(row)(col)
|
340 |
|
|
);
|
341 |
|
|
end generate;
|
342 |
|
|
end generate;
|
343 |
|
|
end generate;
|
344 |
|
|
end generate;
|
345 |
|
|
|
346 |
|
|
svAPipe(0) <= ivH0;
|
347 |
|
|
svBPipe(0) <= ivH1;
|
348 |
|
|
svCPipe(0) <= ivH2;
|
349 |
|
|
svDPipe(0) <= ivH3;
|
350 |
|
|
svEPipe(0) <= ivH4;
|
351 |
|
|
svFPipe(0) <= ivH5;
|
352 |
|
|
svGPipe(0) <= ivH6;
|
353 |
|
|
svHPipe(0) <= ivH7;
|
354 |
|
|
|
355 |
|
|
loop_gen : for i in 0 to 63 generate
|
356 |
|
|
loo_gen_3c : if gBASE_DELAY = 3 generate
|
357 |
|
|
sha_256_comp_func_inst : sha_256_comp_func
|
358 |
|
|
port map(
|
359 |
|
|
iClk => iClk,
|
360 |
|
|
iRst_async => iRst_async,
|
361 |
|
|
|
362 |
|
|
ivA => svAPipe(i),
|
363 |
|
|
ivB => svBPipe(i),
|
364 |
|
|
ivC => svCPipe(i),
|
365 |
|
|
ivD => svDPipe(i),
|
366 |
|
|
ivE => svEPipe(i),
|
367 |
|
|
ivF => svFPipe(i),
|
368 |
|
|
ivG => svGPipe(i),
|
369 |
|
|
ivH => svHPipe(i),
|
370 |
|
|
|
371 |
|
|
ivK => cvK(i),
|
372 |
|
|
ivW => svW(i)(i),
|
373 |
|
|
|
374 |
|
|
ovA => svAPipe(i + 1),
|
375 |
|
|
ovB => svBPipe(i + 1),
|
376 |
|
|
ovC => svCPipe(i + 1),
|
377 |
|
|
ovD => svDPipe(i + 1),
|
378 |
|
|
ovE => svEPipe(i + 1),
|
379 |
|
|
ovF => svFPipe(i + 1),
|
380 |
|
|
ovG => svGPipe(i + 1),
|
381 |
|
|
ovH => svHPipe(i + 1)
|
382 |
|
|
);
|
383 |
|
|
end generate;
|
384 |
|
|
|
385 |
|
|
loo_gen_1c : if gBASE_DELAY = 1 generate
|
386 |
|
|
sha_256_comp_func_inst : sha_256_comp_func_1c
|
387 |
|
|
port map(
|
388 |
|
|
iClk => iClk,
|
389 |
|
|
iRst_async => iRst_async,
|
390 |
|
|
|
391 |
|
|
ivA => svAPipe(i),
|
392 |
|
|
ivB => svBPipe(i),
|
393 |
|
|
ivC => svCPipe(i),
|
394 |
|
|
ivD => svDPipe(i),
|
395 |
|
|
ivE => svEPipe(i),
|
396 |
|
|
ivF => svFPipe(i),
|
397 |
|
|
ivG => svGPipe(i),
|
398 |
|
|
ivH => svHPipe(i),
|
399 |
|
|
|
400 |
|
|
ivK => cvK(i),
|
401 |
|
|
ivW => svW(i)(i),
|
402 |
|
|
|
403 |
|
|
ovA => svAPipe(i + 1),
|
404 |
|
|
ovB => svBPipe(i + 1),
|
405 |
|
|
ovC => svCPipe(i + 1),
|
406 |
|
|
ovD => svDPipe(i + 1),
|
407 |
|
|
ovE => svEPipe(i + 1),
|
408 |
|
|
ovF => svFPipe(i + 1),
|
409 |
|
|
ovG => svGPipe(i + 1),
|
410 |
|
|
ovH => svHPipe(i + 1)
|
411 |
|
|
);
|
412 |
|
|
end generate;
|
413 |
|
|
end generate;
|
414 |
|
|
|
415 |
|
|
H0_gen_const : if gH_IS_CONST(0) = '1' generate
|
416 |
|
|
svH0 <= ivH0;
|
417 |
|
|
end generate;
|
418 |
|
|
|
419 |
|
|
H1_gen_const : if gH_IS_CONST(1) = '1' generate
|
420 |
|
|
svH1 <= ivH1;
|
421 |
|
|
end generate;
|
422 |
|
|
|
423 |
|
|
H2_gen_const : if gH_IS_CONST(2) = '1' generate
|
424 |
|
|
svH2 <= ivH2;
|
425 |
|
|
end generate;
|
426 |
|
|
|
427 |
|
|
H3_gen_const : if gH_IS_CONST(3) = '1' generate
|
428 |
|
|
svH3 <= ivH3;
|
429 |
|
|
end generate;
|
430 |
|
|
|
431 |
|
|
H4_gen_const : if gH_IS_CONST(4) = '1' generate
|
432 |
|
|
svH4 <= ivH4;
|
433 |
|
|
end generate;
|
434 |
|
|
|
435 |
|
|
H5_gen_const : if gH_IS_CONST(5) = '1' generate
|
436 |
|
|
svH5 <= ivH5;
|
437 |
|
|
end generate;
|
438 |
|
|
|
439 |
|
|
H6_gen_const : if gH_IS_CONST(6) = '1' generate
|
440 |
|
|
svH6 <= ivH6;
|
441 |
|
|
end generate;
|
442 |
|
|
|
443 |
|
|
H7_gen_const : if gH_IS_CONST(7) = '1' generate
|
444 |
|
|
svH7 <= ivH7;
|
445 |
|
|
end generate;
|
446 |
|
|
|
447 |
|
|
HShiftFifoRdEn_gen : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
448 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
449 |
|
|
GENERIC map(
|
450 |
|
|
gBUS_WIDTH => 1,
|
451 |
|
|
gNB_PIPELINES => (64 * gBASE_DELAY - 1) )
|
452 |
|
|
PORT map(
|
453 |
|
|
iClk => iClk,
|
454 |
|
|
iInput => iValid,
|
455 |
|
|
oDelayed_output => sHShiftFifoRdEn,
|
456 |
|
|
ivInput => (others=>'0'),
|
457 |
|
|
ovDelayed_output => open
|
458 |
|
|
);
|
459 |
|
|
end generate;
|
460 |
|
|
|
461 |
|
|
H0_gen_var : if gH_IS_CONST(0) = '0' generate
|
462 |
|
|
H0_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
463 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
464 |
|
|
GENERIC map(
|
465 |
|
|
gBUS_WIDTH => 32,
|
466 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
467 |
|
|
PORT map(
|
468 |
|
|
iClk => iClk,
|
469 |
|
|
iInput => '0',
|
470 |
|
|
oDelayed_output => open,
|
471 |
|
|
ivInput => ivH0,
|
472 |
|
|
ovDelayed_output => svH0
|
473 |
|
|
);
|
474 |
|
|
end generate;
|
475 |
|
|
|
476 |
|
|
H0_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
477 |
|
|
SyncReset_inst : SyncReset
|
478 |
|
|
port map(
|
479 |
|
|
iClk => iClk,
|
480 |
|
|
iAsyncReset => iRst_async,
|
481 |
|
|
oSyncReset => svResetHShiftFifo_sync(0)
|
482 |
|
|
);
|
483 |
|
|
|
484 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
485 |
|
|
generic map(
|
486 |
|
|
gADDRESS_WIDTH => 8,
|
487 |
|
|
gDATA_WIDTH => 32
|
488 |
|
|
)
|
489 |
|
|
port map(
|
490 |
|
|
iClk => iClk,
|
491 |
|
|
iReset_sync => svResetHShiftFifo_sync(0),
|
492 |
|
|
|
493 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
494 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
495 |
|
|
|
496 |
|
|
iWrEn => iValid,
|
497 |
|
|
iRdEn => sHShiftFifoRdEn,
|
498 |
|
|
ivDataIn => ivH0,
|
499 |
|
|
ovDataOut => svH0,
|
500 |
|
|
oDataOutValid => open,
|
501 |
|
|
|
502 |
|
|
oFull => open,
|
503 |
|
|
oEmpty => open,
|
504 |
|
|
oAlmostFull => open,
|
505 |
|
|
oAlmostEmpty => open,
|
506 |
|
|
oProgFull => open,
|
507 |
|
|
oProgEmpty => open,
|
508 |
|
|
|
509 |
|
|
oOverflow => open,
|
510 |
|
|
oUnderflow => open
|
511 |
|
|
);
|
512 |
|
|
end generate;
|
513 |
|
|
end generate;
|
514 |
|
|
|
515 |
|
|
H1_gen_var : if gH_IS_CONST(1) = '0' generate
|
516 |
|
|
H1_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
517 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
518 |
|
|
GENERIC map(
|
519 |
|
|
gBUS_WIDTH => 32,
|
520 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
521 |
|
|
PORT map(
|
522 |
|
|
iClk => iClk,
|
523 |
|
|
iInput => '0',
|
524 |
|
|
oDelayed_output => open,
|
525 |
|
|
ivInput => ivH1,
|
526 |
|
|
ovDelayed_output => svH1
|
527 |
|
|
);
|
528 |
|
|
end generate;
|
529 |
|
|
|
530 |
|
|
H1_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
531 |
|
|
SyncReset_inst : SyncReset
|
532 |
|
|
port map(
|
533 |
|
|
iClk => iClk,
|
534 |
|
|
iAsyncReset => iRst_async,
|
535 |
|
|
oSyncReset => svResetHShiftFifo_sync(1)
|
536 |
|
|
);
|
537 |
|
|
|
538 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
539 |
|
|
generic map(
|
540 |
|
|
gADDRESS_WIDTH => 8,
|
541 |
|
|
gDATA_WIDTH => 32
|
542 |
|
|
)
|
543 |
|
|
port map(
|
544 |
|
|
iClk => iClk,
|
545 |
|
|
iReset_sync => svResetHShiftFifo_sync(1),
|
546 |
|
|
|
547 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
548 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
549 |
|
|
|
550 |
|
|
iWrEn => iValid,
|
551 |
|
|
iRdEn => sHShiftFifoRdEn,
|
552 |
|
|
ivDataIn => ivH1,
|
553 |
|
|
ovDataOut => svH1,
|
554 |
|
|
oDataOutValid => open,
|
555 |
|
|
|
556 |
|
|
oFull => open,
|
557 |
|
|
oEmpty => open,
|
558 |
|
|
oAlmostFull => open,
|
559 |
|
|
oAlmostEmpty => open,
|
560 |
|
|
oProgFull => open,
|
561 |
|
|
oProgEmpty => open,
|
562 |
|
|
|
563 |
|
|
oOverflow => open,
|
564 |
|
|
oUnderflow => open
|
565 |
|
|
);
|
566 |
|
|
end generate;
|
567 |
|
|
end generate;
|
568 |
|
|
|
569 |
|
|
H2_gen_var : if gH_IS_CONST(2) = '0' generate
|
570 |
|
|
H2_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
571 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
572 |
|
|
GENERIC map(
|
573 |
|
|
gBUS_WIDTH => 32,
|
574 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
575 |
|
|
PORT map(
|
576 |
|
|
iClk => iClk,
|
577 |
|
|
iInput => '0',
|
578 |
|
|
oDelayed_output => open,
|
579 |
|
|
ivInput => ivH2,
|
580 |
|
|
ovDelayed_output => svH2
|
581 |
|
|
);
|
582 |
|
|
end generate;
|
583 |
|
|
|
584 |
|
|
H2_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
585 |
|
|
SyncReset_inst : SyncReset
|
586 |
|
|
port map(
|
587 |
|
|
iClk => iClk,
|
588 |
|
|
iAsyncReset => iRst_async,
|
589 |
|
|
oSyncReset => svResetHShiftFifo_sync(2)
|
590 |
|
|
);
|
591 |
|
|
|
592 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
593 |
|
|
generic map(
|
594 |
|
|
gADDRESS_WIDTH => 8,
|
595 |
|
|
gDATA_WIDTH => 32
|
596 |
|
|
)
|
597 |
|
|
port map(
|
598 |
|
|
iClk => iClk,
|
599 |
|
|
iReset_sync => svResetHShiftFifo_sync(2),
|
600 |
|
|
|
601 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
602 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
603 |
|
|
|
604 |
|
|
iWrEn => iValid,
|
605 |
|
|
iRdEn => sHShiftFifoRdEn,
|
606 |
|
|
ivDataIn => ivH2,
|
607 |
|
|
ovDataOut => svH2,
|
608 |
|
|
oDataOutValid => open,
|
609 |
|
|
|
610 |
|
|
oFull => open,
|
611 |
|
|
oEmpty => open,
|
612 |
|
|
oAlmostFull => open,
|
613 |
|
|
oAlmostEmpty => open,
|
614 |
|
|
oProgFull => open,
|
615 |
|
|
oProgEmpty => open,
|
616 |
|
|
|
617 |
|
|
oOverflow => open,
|
618 |
|
|
oUnderflow => open
|
619 |
|
|
);
|
620 |
|
|
end generate;
|
621 |
|
|
end generate;
|
622 |
|
|
|
623 |
|
|
H3_gen_var : if gH_IS_CONST(3) = '0' generate
|
624 |
|
|
H3_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
625 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
626 |
|
|
GENERIC map(
|
627 |
|
|
gBUS_WIDTH => 32,
|
628 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
629 |
|
|
PORT map(
|
630 |
|
|
iClk => iClk,
|
631 |
|
|
iInput => '0',
|
632 |
|
|
oDelayed_output => open,
|
633 |
|
|
ivInput => ivH3,
|
634 |
|
|
ovDelayed_output => svH3
|
635 |
|
|
);
|
636 |
|
|
end generate;
|
637 |
|
|
|
638 |
|
|
H3_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
639 |
|
|
SyncReset_inst : SyncReset
|
640 |
|
|
port map(
|
641 |
|
|
iClk => iClk,
|
642 |
|
|
iAsyncReset => iRst_async,
|
643 |
|
|
oSyncReset => svResetHShiftFifo_sync(3)
|
644 |
|
|
);
|
645 |
|
|
|
646 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
647 |
|
|
generic map(
|
648 |
|
|
gADDRESS_WIDTH => 8,
|
649 |
|
|
gDATA_WIDTH => 32
|
650 |
|
|
)
|
651 |
|
|
port map(
|
652 |
|
|
iClk => iClk,
|
653 |
|
|
iReset_sync => svResetHShiftFifo_sync(3),
|
654 |
|
|
|
655 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
656 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
657 |
|
|
|
658 |
|
|
iWrEn => iValid,
|
659 |
|
|
iRdEn => sHShiftFifoRdEn,
|
660 |
|
|
ivDataIn => ivH3,
|
661 |
|
|
ovDataOut => svH3,
|
662 |
|
|
oDataOutValid => open,
|
663 |
|
|
|
664 |
|
|
oFull => open,
|
665 |
|
|
oEmpty => open,
|
666 |
|
|
oAlmostFull => open,
|
667 |
|
|
oAlmostEmpty => open,
|
668 |
|
|
oProgFull => open,
|
669 |
|
|
oProgEmpty => open,
|
670 |
|
|
|
671 |
|
|
oOverflow => open,
|
672 |
|
|
oUnderflow => open
|
673 |
|
|
);
|
674 |
|
|
end generate;
|
675 |
|
|
end generate;
|
676 |
|
|
|
677 |
|
|
H4_gen_var : if gH_IS_CONST(4) = '0' generate
|
678 |
|
|
H4_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
679 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
680 |
|
|
GENERIC map(
|
681 |
|
|
gBUS_WIDTH => 32,
|
682 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
683 |
|
|
PORT map(
|
684 |
|
|
iClk => iClk,
|
685 |
|
|
iInput => '0',
|
686 |
|
|
oDelayed_output => open,
|
687 |
|
|
ivInput => ivH4,
|
688 |
|
|
ovDelayed_output => svH4
|
689 |
|
|
);
|
690 |
|
|
end generate;
|
691 |
|
|
|
692 |
|
|
H4_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
693 |
|
|
SyncReset_inst : SyncReset
|
694 |
|
|
port map(
|
695 |
|
|
iClk => iClk,
|
696 |
|
|
iAsyncReset => iRst_async,
|
697 |
|
|
oSyncReset => svResetHShiftFifo_sync(4)
|
698 |
|
|
);
|
699 |
|
|
|
700 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
701 |
|
|
generic map(
|
702 |
|
|
gADDRESS_WIDTH => 8,
|
703 |
|
|
gDATA_WIDTH => 32
|
704 |
|
|
)
|
705 |
|
|
port map(
|
706 |
|
|
iClk => iClk,
|
707 |
|
|
iReset_sync => svResetHShiftFifo_sync(4),
|
708 |
|
|
|
709 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
710 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
711 |
|
|
|
712 |
|
|
iWrEn => iValid,
|
713 |
|
|
iRdEn => sHShiftFifoRdEn,
|
714 |
|
|
ivDataIn => ivH4,
|
715 |
|
|
ovDataOut => svH4,
|
716 |
|
|
oDataOutValid => open,
|
717 |
|
|
|
718 |
|
|
oFull => open,
|
719 |
|
|
oEmpty => open,
|
720 |
|
|
oAlmostFull => open,
|
721 |
|
|
oAlmostEmpty => open,
|
722 |
|
|
oProgFull => open,
|
723 |
|
|
oProgEmpty => open,
|
724 |
|
|
|
725 |
|
|
oOverflow => open,
|
726 |
|
|
oUnderflow => open
|
727 |
|
|
);
|
728 |
|
|
end generate;
|
729 |
|
|
end generate;
|
730 |
|
|
|
731 |
|
|
H5_gen_var : if gH_IS_CONST(5) = '0' generate
|
732 |
|
|
H5_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
733 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
734 |
|
|
GENERIC map(
|
735 |
|
|
gBUS_WIDTH => 32,
|
736 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
737 |
|
|
PORT map(
|
738 |
|
|
iClk => iClk,
|
739 |
|
|
iInput => '0',
|
740 |
|
|
oDelayed_output => open,
|
741 |
|
|
ivInput => ivH5,
|
742 |
|
|
ovDelayed_output => svH5
|
743 |
|
|
);
|
744 |
|
|
end generate;
|
745 |
|
|
|
746 |
|
|
H5_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
747 |
|
|
SyncReset_inst : SyncReset
|
748 |
|
|
port map(
|
749 |
|
|
iClk => iClk,
|
750 |
|
|
iAsyncReset => iRst_async,
|
751 |
|
|
oSyncReset => svResetHShiftFifo_sync(5)
|
752 |
|
|
);
|
753 |
|
|
|
754 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
755 |
|
|
generic map(
|
756 |
|
|
gADDRESS_WIDTH => 8,
|
757 |
|
|
gDATA_WIDTH => 32
|
758 |
|
|
)
|
759 |
|
|
port map(
|
760 |
|
|
iClk => iClk,
|
761 |
|
|
iReset_sync => svResetHShiftFifo_sync(5),
|
762 |
|
|
|
763 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
764 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
765 |
|
|
|
766 |
|
|
iWrEn => iValid,
|
767 |
|
|
iRdEn => sHShiftFifoRdEn,
|
768 |
|
|
ivDataIn => ivH5,
|
769 |
|
|
ovDataOut => svH5,
|
770 |
|
|
oDataOutValid => open,
|
771 |
|
|
|
772 |
|
|
oFull => open,
|
773 |
|
|
oEmpty => open,
|
774 |
|
|
oAlmostFull => open,
|
775 |
|
|
oAlmostEmpty => open,
|
776 |
|
|
oProgFull => open,
|
777 |
|
|
oProgEmpty => open,
|
778 |
|
|
|
779 |
|
|
oOverflow => open,
|
780 |
|
|
oUnderflow => open
|
781 |
|
|
);
|
782 |
|
|
end generate;
|
783 |
|
|
end generate;
|
784 |
|
|
|
785 |
|
|
H6_gen_var : if gH_IS_CONST(6) = '0' generate
|
786 |
|
|
H6_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
787 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
788 |
|
|
GENERIC map(
|
789 |
|
|
gBUS_WIDTH => 32,
|
790 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
791 |
|
|
PORT map(
|
792 |
|
|
iClk => iClk,
|
793 |
|
|
iInput => '0',
|
794 |
|
|
oDelayed_output => open,
|
795 |
|
|
ivInput => ivH6,
|
796 |
|
|
ovDelayed_output => svH6
|
797 |
|
|
);
|
798 |
|
|
end generate;
|
799 |
|
|
|
800 |
|
|
H6_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
801 |
|
|
SyncReset_inst : SyncReset
|
802 |
|
|
port map(
|
803 |
|
|
iClk => iClk,
|
804 |
|
|
iAsyncReset => iRst_async,
|
805 |
|
|
oSyncReset => svResetHShiftFifo_sync(6)
|
806 |
|
|
);
|
807 |
|
|
|
808 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
809 |
|
|
generic map(
|
810 |
|
|
gADDRESS_WIDTH => 8,
|
811 |
|
|
gDATA_WIDTH => 32
|
812 |
|
|
)
|
813 |
|
|
port map(
|
814 |
|
|
iClk => iClk,
|
815 |
|
|
iReset_sync => svResetHShiftFifo_sync(6),
|
816 |
|
|
|
817 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
818 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
819 |
|
|
|
820 |
|
|
iWrEn => iValid,
|
821 |
|
|
iRdEn => sHShiftFifoRdEn,
|
822 |
|
|
ivDataIn => ivH6,
|
823 |
|
|
ovDataOut => svH6,
|
824 |
|
|
oDataOutValid => open,
|
825 |
|
|
|
826 |
|
|
oFull => open,
|
827 |
|
|
oEmpty => open,
|
828 |
|
|
oAlmostFull => open,
|
829 |
|
|
oAlmostEmpty => open,
|
830 |
|
|
oProgFull => open,
|
831 |
|
|
oProgEmpty => open,
|
832 |
|
|
|
833 |
|
|
oOverflow => open,
|
834 |
|
|
oUnderflow => open
|
835 |
|
|
);
|
836 |
|
|
end generate;
|
837 |
|
|
end generate;
|
838 |
|
|
|
839 |
|
|
H7_gen_var : if gH_IS_CONST(7) = '0' generate
|
840 |
|
|
H7_gen_var_shiftreg : if gUSE_BRAM_AS_LARGE_SHIFTREG = false generate
|
841 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
842 |
|
|
GENERIC map(
|
843 |
|
|
gBUS_WIDTH => 32,
|
844 |
|
|
gNB_PIPELINES => 64 * gBASE_DELAY)
|
845 |
|
|
PORT map(
|
846 |
|
|
iClk => iClk,
|
847 |
|
|
iInput => '0',
|
848 |
|
|
oDelayed_output => open,
|
849 |
|
|
ivInput => ivH7,
|
850 |
|
|
ovDelayed_output => svH7
|
851 |
|
|
);
|
852 |
|
|
end generate;
|
853 |
|
|
|
854 |
|
|
H7_gen_var_bram : if gUSE_BRAM_AS_LARGE_SHIFTREG = true generate
|
855 |
|
|
SyncReset_inst : SyncReset
|
856 |
|
|
port map(
|
857 |
|
|
iClk => iClk,
|
858 |
|
|
iAsyncReset => iRst_async,
|
859 |
|
|
oSyncReset => svResetHShiftFifo_sync(7)
|
860 |
|
|
);
|
861 |
|
|
|
862 |
|
|
sync_fifo_infer_inst : sync_fifo_infer
|
863 |
|
|
generic map(
|
864 |
|
|
gADDRESS_WIDTH => 8,
|
865 |
|
|
gDATA_WIDTH => 32
|
866 |
|
|
)
|
867 |
|
|
port map(
|
868 |
|
|
iClk => iClk,
|
869 |
|
|
iReset_sync => svResetHShiftFifo_sync(7),
|
870 |
|
|
|
871 |
|
|
ivProgFullTh => conv_std_logic_vector(2**8-3, 8),
|
872 |
|
|
ivProgEmptyTh => conv_std_logic_vector(2, 8),
|
873 |
|
|
|
874 |
|
|
iWrEn => iValid,
|
875 |
|
|
iRdEn => sHShiftFifoRdEn,
|
876 |
|
|
ivDataIn => ivH7,
|
877 |
|
|
ovDataOut => svH7,
|
878 |
|
|
oDataOutValid => open,
|
879 |
|
|
|
880 |
|
|
oFull => open,
|
881 |
|
|
oEmpty => open,
|
882 |
|
|
oAlmostFull => open,
|
883 |
|
|
oAlmostEmpty => open,
|
884 |
|
|
oProgFull => open,
|
885 |
|
|
oProgEmpty => open,
|
886 |
|
|
|
887 |
|
|
oOverflow => open,
|
888 |
|
|
oUnderflow => open
|
889 |
|
|
);
|
890 |
|
|
end generate;
|
891 |
|
|
end generate;
|
892 |
|
|
|
893 |
|
|
process (iClk)
|
894 |
|
|
begin
|
895 |
|
|
if rising_edge(iClk) then
|
896 |
|
|
ovH0 <= svAPipe(64) + svH0;
|
897 |
|
|
ovH1 <= svBPipe(64) + svH1;
|
898 |
|
|
ovH2 <= svCPipe(64) + svH2;
|
899 |
|
|
ovH3 <= svDPipe(64) + svH3;
|
900 |
|
|
ovH4 <= svEPipe(64) + svH4;
|
901 |
|
|
ovH5 <= svFPipe(64) + svH5;
|
902 |
|
|
ovH6 <= svGPipe(64) + svH6;
|
903 |
|
|
ovH7 <= svHPipe(64) + svH7;
|
904 |
|
|
end if;
|
905 |
|
|
end process;
|
906 |
|
|
|
907 |
|
|
OUT_VALID_gen : if gOUT_VALID_GEN = true generate
|
908 |
|
|
pipelines_without_reset_inst: pipelines_without_reset
|
909 |
|
|
GENERIC map(
|
910 |
|
|
gBUS_WIDTH => 1,
|
911 |
|
|
gNB_PIPELINES => (64 * gBASE_DELAY + 1))
|
912 |
|
|
PORT map(
|
913 |
|
|
iClk => iClk,
|
914 |
|
|
iInput => iValid,
|
915 |
|
|
oDelayed_output => oValid,
|
916 |
|
|
ivInput => (others=>'0'),
|
917 |
|
|
ovDelayed_output => open
|
918 |
|
|
);
|
919 |
|
|
end generate;
|
920 |
|
|
|
921 |
|
|
end behavioral;
|
922 |
|
|
|