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//===================================================================
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// Module Name : RsDecodePolymul
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// File Name : RsDecodePolymul.v
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// Function : Rs Decoder polymul calculation Module
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//
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// Revision History:
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// Date By Version Change Description
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//===================================================================
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// 2009/02/03 Gael Sapience 1.0 Original
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//
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//===================================================================
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// (C) COPYRIGHT 2009 SYSTEM LSI CO., Ltd.
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//
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module RsDecodePolymul(
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CLK, // system clock
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RESET, // system reset
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enable, // enable signal
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sync, // sync signal
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syndromeIn_0, // syndrome polynom 0
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syndromeIn_1, // syndrome polynom 1
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syndromeIn_2, // syndrome polynom 2
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syndromeIn_3, // syndrome polynom 3
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syndromeIn_4, // syndrome polynom 4
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syndromeIn_5, // syndrome polynom 5
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syndromeIn_6, // syndrome polynom 6
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syndromeIn_7, // syndrome polynom 7
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syndromeIn_8, // syndrome polynom 8
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syndromeIn_9, // syndrome polynom 9
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syndromeIn_10, // syndrome polynom 10
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syndromeIn_11, // syndrome polynom 11
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syndromeIn_12, // syndrome polynom 12
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syndromeIn_13, // syndrome polynom 13
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syndromeIn_14, // syndrome polynom 14
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syndromeIn_15, // syndrome polynom 15
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syndromeIn_16, // syndrome polynom 16
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syndromeIn_17, // syndrome polynom 17
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syndromeIn_18, // syndrome polynom 18
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syndromeIn_19, // syndrome polynom 19
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syndromeIn_20, // syndrome polynom 20
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syndromeIn_21, // syndrome polynom 21
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epsilon_0, // epsilon polynom 0
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epsilon_1, // epsilon polynom 1
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epsilon_2, // epsilon polynom 2
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epsilon_3, // epsilon polynom 3
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epsilon_4, // epsilon polynom 4
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epsilon_5, // epsilon polynom 5
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epsilon_6, // epsilon polynom 6
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epsilon_7, // epsilon polynom 7
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epsilon_8, // epsilon polynom 8
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epsilon_9, // epsilon polynom 9
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epsilon_10, // epsilon polynom 10
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epsilon_11, // epsilon polynom 11
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epsilon_12, // epsilon polynom 12
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epsilon_13, // epsilon polynom 13
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epsilon_14, // epsilon polynom 14
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epsilon_15, // epsilon polynom 15
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epsilon_16, // epsilon polynom 16
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epsilon_17, // epsilon polynom 17
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epsilon_18, // epsilon polynom 18
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epsilon_19, // epsilon polynom 19
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epsilon_20, // epsilon polynom 20
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epsilon_21, // epsilon polynom 21
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epsilon_22, // epsilon polynom 22
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syndromeOut_0, // modified syndrome polynom 0
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syndromeOut_1, // modified syndrome polynom 1
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syndromeOut_2, // modified syndrome polynom 2
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syndromeOut_3, // modified syndrome polynom 3
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syndromeOut_4, // modified syndrome polynom 4
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syndromeOut_5, // modified syndrome polynom 5
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syndromeOut_6, // modified syndrome polynom 6
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syndromeOut_7, // modified syndrome polynom 7
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syndromeOut_8, // modified syndrome polynom 8
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syndromeOut_9, // modified syndrome polynom 9
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syndromeOut_10, // modified syndrome polynom 10
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syndromeOut_11, // modified syndrome polynom 11
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syndromeOut_12, // modified syndrome polynom 12
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syndromeOut_13, // modified syndrome polynom 13
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syndromeOut_14, // modified syndrome polynom 14
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syndromeOut_15, // modified syndrome polynom 15
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syndromeOut_16, // modified syndrome polynom 16
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syndromeOut_17, // modified syndrome polynom 17
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syndromeOut_18, // modified syndrome polynom 18
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syndromeOut_19, // modified syndrome polynom 19
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syndromeOut_20, // modified syndrome polynom 20
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syndromeOut_21, // modified syndrome polynom 21
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done // done signal
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);
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input CLK; // system clock
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input RESET; // system reset
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input enable; // enable signal
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input sync; // sync signal
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input [7:0] syndromeIn_0; // syndrome polynom 0
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input [7:0] syndromeIn_1; // syndrome polynom 1
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input [7:0] syndromeIn_2; // syndrome polynom 2
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input [7:0] syndromeIn_3; // syndrome polynom 3
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input [7:0] syndromeIn_4; // syndrome polynom 4
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input [7:0] syndromeIn_5; // syndrome polynom 5
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input [7:0] syndromeIn_6; // syndrome polynom 6
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input [7:0] syndromeIn_7; // syndrome polynom 7
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input [7:0] syndromeIn_8; // syndrome polynom 8
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input [7:0] syndromeIn_9; // syndrome polynom 9
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input [7:0] syndromeIn_10; // syndrome polynom 10
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input [7:0] syndromeIn_11; // syndrome polynom 11
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input [7:0] syndromeIn_12; // syndrome polynom 12
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input [7:0] syndromeIn_13; // syndrome polynom 13
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input [7:0] syndromeIn_14; // syndrome polynom 14
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input [7:0] syndromeIn_15; // syndrome polynom 15
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input [7:0] syndromeIn_16; // syndrome polynom 16
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input [7:0] syndromeIn_17; // syndrome polynom 17
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input [7:0] syndromeIn_18; // syndrome polynom 18
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input [7:0] syndromeIn_19; // syndrome polynom 19
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input [7:0] syndromeIn_20; // syndrome polynom 20
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input [7:0] syndromeIn_21; // syndrome polynom 21
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input [7:0] epsilon_0; // epsilon polynom 0
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input [7:0] epsilon_1; // epsilon polynom 1
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input [7:0] epsilon_2; // epsilon polynom 2
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input [7:0] epsilon_3; // epsilon polynom 3
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input [7:0] epsilon_4; // epsilon polynom 4
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input [7:0] epsilon_5; // epsilon polynom 5
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input [7:0] epsilon_6; // epsilon polynom 6
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input [7:0] epsilon_7; // epsilon polynom 7
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input [7:0] epsilon_8; // epsilon polynom 8
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input [7:0] epsilon_9; // epsilon polynom 9
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input [7:0] epsilon_10; // epsilon polynom 10
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input [7:0] epsilon_11; // epsilon polynom 11
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input [7:0] epsilon_12; // epsilon polynom 12
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input [7:0] epsilon_13; // epsilon polynom 13
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input [7:0] epsilon_14; // epsilon polynom 14
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input [7:0] epsilon_15; // epsilon polynom 15
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input [7:0] epsilon_16; // epsilon polynom 16
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input [7:0] epsilon_17; // epsilon polynom 17
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input [7:0] epsilon_18; // epsilon polynom 18
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input [7:0] epsilon_19; // epsilon polynom 19
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input [7:0] epsilon_20; // epsilon polynom 20
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input [7:0] epsilon_21; // epsilon polynom 21
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input [7:0] epsilon_22; // epsilon polynom 22
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output [7:0] syndromeOut_0; // modified syndrome polynom 0
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output [7:0] syndromeOut_1; // modified syndrome polynom 1
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output [7:0] syndromeOut_2; // modified syndrome polynom 2
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output [7:0] syndromeOut_3; // modified syndrome polynom 3
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output [7:0] syndromeOut_4; // modified syndrome polynom 4
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output [7:0] syndromeOut_5; // modified syndrome polynom 5
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output [7:0] syndromeOut_6; // modified syndrome polynom 6
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output [7:0] syndromeOut_7; // modified syndrome polynom 7
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output [7:0] syndromeOut_8; // modified syndrome polynom 8
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output [7:0] syndromeOut_9; // modified syndrome polynom 9
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output [7:0] syndromeOut_10; // modified syndrome polynom 10
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output [7:0] syndromeOut_11; // modified syndrome polynom 11
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output [7:0] syndromeOut_12; // modified syndrome polynom 12
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output [7:0] syndromeOut_13; // modified syndrome polynom 13
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output [7:0] syndromeOut_14; // modified syndrome polynom 14
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output [7:0] syndromeOut_15; // modified syndrome polynom 15
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output [7:0] syndromeOut_16; // modified syndrome polynom 16
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output [7:0] syndromeOut_17; // modified syndrome polynom 17
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output [7:0] syndromeOut_18; // modified syndrome polynom 18
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output [7:0] syndromeOut_19; // modified syndrome polynom 19
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output [7:0] syndromeOut_20; // modified syndrome polynom 20
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output [7:0] syndromeOut_21; // modified syndrome polynom 21
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output done; // done signal
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//------------------------------------------------------------------------
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// + count
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//- Counter
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//------------------------------------------------------------------------
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reg [4:0] count;
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always @(posedge CLK or negedge RESET) begin
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if (~RESET) begin
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count [4:0] <= 5'd0;
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end
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else if (enable == 1'b1) begin
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if (sync == 1'b1) begin
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count[4:0] <= 5'd1;
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end
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else if ((count[4:0] ==5'd0) || (count[4:0] ==5'd23)) begin
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count[4:0] <= 5'd0;
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end
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else begin
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count[4:0] <= count[4:0] + 5'd1;
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end
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end
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end
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//------------------------------------------------------------------------
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// + done
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//------------------------------------------------------------------------
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reg done;
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always @(count) begin
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if (count[4:0] == 5'd23) begin
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done = 1'b1;
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end
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else begin
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done = 1'b0;
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end
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end
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//------------------------------------------------------------------------
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// + syndromeReg_0,..., syndromeReg_21
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//------------------------------------------------------------------------
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reg [7:0] syndromeReg_0;
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reg [7:0] syndromeReg_1;
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reg [7:0] syndromeReg_2;
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reg [7:0] syndromeReg_3;
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reg [7:0] syndromeReg_4;
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reg [7:0] syndromeReg_5;
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reg [7:0] syndromeReg_6;
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reg [7:0] syndromeReg_7;
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reg [7:0] syndromeReg_8;
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reg [7:0] syndromeReg_9;
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reg [7:0] syndromeReg_10;
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reg [7:0] syndromeReg_11;
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reg [7:0] syndromeReg_12;
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reg [7:0] syndromeReg_13;
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reg [7:0] syndromeReg_14;
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reg [7:0] syndromeReg_15;
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reg [7:0] syndromeReg_16;
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reg [7:0] syndromeReg_17;
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reg [7:0] syndromeReg_18;
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reg [7:0] syndromeReg_19;
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reg [7:0] syndromeReg_20;
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reg [7:0] syndromeReg_21;
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always @(posedge CLK or negedge RESET) begin
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if (~RESET) begin
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syndromeReg_0 [7:0] <= 8'd0;
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syndromeReg_1 [7:0] <= 8'd0;
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syndromeReg_2 [7:0] <= 8'd0;
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syndromeReg_3 [7:0] <= 8'd0;
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syndromeReg_4 [7:0] <= 8'd0;
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syndromeReg_5 [7:0] <= 8'd0;
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syndromeReg_6 [7:0] <= 8'd0;
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syndromeReg_7 [7:0] <= 8'd0;
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syndromeReg_8 [7:0] <= 8'd0;
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syndromeReg_9 [7:0] <= 8'd0;
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syndromeReg_10 [7:0] <= 8'd0;
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syndromeReg_11 [7:0] <= 8'd0;
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syndromeReg_12 [7:0] <= 8'd0;
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syndromeReg_13 [7:0] <= 8'd0;
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syndromeReg_14 [7:0] <= 8'd0;
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syndromeReg_15 [7:0] <= 8'd0;
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syndromeReg_16 [7:0] <= 8'd0;
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syndromeReg_17 [7:0] <= 8'd0;
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syndromeReg_18 [7:0] <= 8'd0;
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syndromeReg_19 [7:0] <= 8'd0;
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syndromeReg_20 [7:0] <= 8'd0;
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syndromeReg_21 [7:0] <= 8'd0;
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end
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else if ((enable == 1'b1) && (sync == 1'b1)) begin
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syndromeReg_0 [7:0] <= syndromeIn_0 [7:0];
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syndromeReg_1 [7:0] <= syndromeIn_1 [7:0];
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syndromeReg_2 [7:0] <= syndromeIn_2 [7:0];
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syndromeReg_3 [7:0] <= syndromeIn_3 [7:0];
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syndromeReg_4 [7:0] <= syndromeIn_4 [7:0];
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syndromeReg_5 [7:0] <= syndromeIn_5 [7:0];
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syndromeReg_6 [7:0] <= syndromeIn_6 [7:0];
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syndromeReg_7 [7:0] <= syndromeIn_7 [7:0];
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syndromeReg_8 [7:0] <= syndromeIn_8 [7:0];
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syndromeReg_9 [7:0] <= syndromeIn_9 [7:0];
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syndromeReg_10 [7:0] <= syndromeIn_10 [7:0];
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syndromeReg_11 [7:0] <= syndromeIn_11 [7:0];
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syndromeReg_12 [7:0] <= syndromeIn_12 [7:0];
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syndromeReg_13 [7:0] <= syndromeIn_13 [7:0];
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syndromeReg_14 [7:0] <= syndromeIn_14 [7:0];
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syndromeReg_15 [7:0] <= syndromeIn_15 [7:0];
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syndromeReg_16 [7:0] <= syndromeIn_16 [7:0];
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syndromeReg_17 [7:0] <= syndromeIn_17 [7:0];
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syndromeReg_18 [7:0] <= syndromeIn_18 [7:0];
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syndromeReg_19 [7:0] <= syndromeIn_19 [7:0];
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syndromeReg_20 [7:0] <= syndromeIn_20 [7:0];
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syndromeReg_21 [7:0] <= syndromeIn_21 [7:0];
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end
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end
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//------------------------------------------------------------------------
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// + epsilonReg_0,..., epsilonReg_22
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//------------------------------------------------------------------------
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reg [7:0] epsilonReg_0;
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reg [7:0] epsilonReg_1;
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reg [7:0] epsilonReg_2;
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reg [7:0] epsilonReg_3;
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reg [7:0] epsilonReg_4;
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reg [7:0] epsilonReg_5;
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reg [7:0] epsilonReg_6;
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reg [7:0] epsilonReg_7;
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reg [7:0] epsilonReg_8;
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reg [7:0] epsilonReg_9;
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reg [7:0] epsilonReg_10;
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reg [7:0] epsilonReg_11;
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reg [7:0] epsilonReg_12;
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reg [7:0] epsilonReg_13;
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reg [7:0] epsilonReg_14;
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reg [7:0] epsilonReg_15;
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reg [7:0] epsilonReg_16;
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reg [7:0] epsilonReg_17;
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reg [7:0] epsilonReg_18;
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reg [7:0] epsilonReg_19;
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reg [7:0] epsilonReg_20;
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reg [7:0] epsilonReg_21;
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reg [7:0] epsilonReg_22;
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always @(posedge CLK or negedge RESET) begin
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if (~RESET) begin
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|
|
epsilonReg_0 [7:0] <= 8'd0;
|
314 |
|
|
epsilonReg_1 [7:0] <= 8'd0;
|
315 |
|
|
epsilonReg_2 [7:0] <= 8'd0;
|
316 |
|
|
epsilonReg_3 [7:0] <= 8'd0;
|
317 |
|
|
epsilonReg_4 [7:0] <= 8'd0;
|
318 |
|
|
epsilonReg_5 [7:0] <= 8'd0;
|
319 |
|
|
epsilonReg_6 [7:0] <= 8'd0;
|
320 |
|
|
epsilonReg_7 [7:0] <= 8'd0;
|
321 |
|
|
epsilonReg_8 [7:0] <= 8'd0;
|
322 |
|
|
epsilonReg_9 [7:0] <= 8'd0;
|
323 |
|
|
epsilonReg_10 [7:0] <= 8'd0;
|
324 |
|
|
epsilonReg_11 [7:0] <= 8'd0;
|
325 |
|
|
epsilonReg_12 [7:0] <= 8'd0;
|
326 |
|
|
epsilonReg_13 [7:0] <= 8'd0;
|
327 |
|
|
epsilonReg_14 [7:0] <= 8'd0;
|
328 |
|
|
epsilonReg_15 [7:0] <= 8'd0;
|
329 |
|
|
epsilonReg_16 [7:0] <= 8'd0;
|
330 |
|
|
epsilonReg_17 [7:0] <= 8'd0;
|
331 |
|
|
epsilonReg_18 [7:0] <= 8'd0;
|
332 |
|
|
epsilonReg_19 [7:0] <= 8'd0;
|
333 |
|
|
epsilonReg_20 [7:0] <= 8'd0;
|
334 |
|
|
epsilonReg_21 [7:0] <= 8'd0;
|
335 |
|
|
epsilonReg_22 [7:0] <= 8'd0;
|
336 |
|
|
end
|
337 |
|
|
else if (enable == 1'b1) begin
|
338 |
|
|
if (sync == 1'b1) begin
|
339 |
|
|
epsilonReg_0 [7:0] <= 8'd0;
|
340 |
|
|
epsilonReg_1 [7:0] <= epsilon_0[7:0];
|
341 |
|
|
epsilonReg_2 [7:0] <= epsilon_1[7:0];
|
342 |
|
|
epsilonReg_3 [7:0] <= epsilon_2[7:0];
|
343 |
|
|
epsilonReg_4 [7:0] <= epsilon_3[7:0];
|
344 |
|
|
epsilonReg_5 [7:0] <= epsilon_4[7:0];
|
345 |
|
|
epsilonReg_6 [7:0] <= epsilon_5[7:0];
|
346 |
|
|
epsilonReg_7 [7:0] <= epsilon_6[7:0];
|
347 |
|
|
epsilonReg_8 [7:0] <= epsilon_7[7:0];
|
348 |
|
|
epsilonReg_9 [7:0] <= epsilon_8[7:0];
|
349 |
|
|
epsilonReg_10 [7:0] <= epsilon_9[7:0];
|
350 |
|
|
epsilonReg_11 [7:0] <= epsilon_10[7:0];
|
351 |
|
|
epsilonReg_12 [7:0] <= epsilon_11[7:0];
|
352 |
|
|
epsilonReg_13 [7:0] <= epsilon_12[7:0];
|
353 |
|
|
epsilonReg_14 [7:0] <= epsilon_13[7:0];
|
354 |
|
|
epsilonReg_15 [7:0] <= epsilon_14[7:0];
|
355 |
|
|
epsilonReg_16 [7:0] <= epsilon_15[7:0];
|
356 |
|
|
epsilonReg_17 [7:0] <= epsilon_16[7:0];
|
357 |
|
|
epsilonReg_18 [7:0] <= epsilon_17[7:0];
|
358 |
|
|
epsilonReg_19 [7:0] <= epsilon_18[7:0];
|
359 |
|
|
epsilonReg_20 [7:0] <= epsilon_19[7:0];
|
360 |
|
|
epsilonReg_21 [7:0] <= epsilon_20[7:0];
|
361 |
|
|
epsilonReg_22 [7:0] <= epsilon_21[7:0];
|
362 |
|
|
end
|
363 |
|
|
else begin
|
364 |
|
|
epsilonReg_0 [7:0] <= 8'd0;
|
365 |
|
|
epsilonReg_1 [7:0] <= epsilonReg_0[7:0];
|
366 |
|
|
epsilonReg_2 [7:0] <= epsilonReg_1[7:0];
|
367 |
|
|
epsilonReg_3 [7:0] <= epsilonReg_2[7:0];
|
368 |
|
|
epsilonReg_4 [7:0] <= epsilonReg_3[7:0];
|
369 |
|
|
epsilonReg_5 [7:0] <= epsilonReg_4[7:0];
|
370 |
|
|
epsilonReg_6 [7:0] <= epsilonReg_5[7:0];
|
371 |
|
|
epsilonReg_7 [7:0] <= epsilonReg_6[7:0];
|
372 |
|
|
epsilonReg_8 [7:0] <= epsilonReg_7[7:0];
|
373 |
|
|
epsilonReg_9 [7:0] <= epsilonReg_8[7:0];
|
374 |
|
|
epsilonReg_10 [7:0] <= epsilonReg_9[7:0];
|
375 |
|
|
epsilonReg_11 [7:0] <= epsilonReg_10[7:0];
|
376 |
|
|
epsilonReg_12 [7:0] <= epsilonReg_11[7:0];
|
377 |
|
|
epsilonReg_13 [7:0] <= epsilonReg_12[7:0];
|
378 |
|
|
epsilonReg_14 [7:0] <= epsilonReg_13[7:0];
|
379 |
|
|
epsilonReg_15 [7:0] <= epsilonReg_14[7:0];
|
380 |
|
|
epsilonReg_16 [7:0] <= epsilonReg_15[7:0];
|
381 |
|
|
epsilonReg_17 [7:0] <= epsilonReg_16[7:0];
|
382 |
|
|
epsilonReg_18 [7:0] <= epsilonReg_17[7:0];
|
383 |
|
|
epsilonReg_19 [7:0] <= epsilonReg_18[7:0];
|
384 |
|
|
epsilonReg_20 [7:0] <= epsilonReg_19[7:0];
|
385 |
|
|
epsilonReg_21 [7:0] <= epsilonReg_20[7:0];
|
386 |
|
|
epsilonReg_22 [7:0] <= epsilonReg_21[7:0];
|
387 |
|
|
end
|
388 |
|
|
end
|
389 |
|
|
end
|
390 |
|
|
|
391 |
|
|
|
392 |
|
|
//------------------------------------------------------------------------
|
393 |
|
|
// + epsilonMsb
|
394 |
|
|
//------------------------------------------------------------------------
|
395 |
|
|
reg [7:0] epsilonMsb;
|
396 |
|
|
|
397 |
|
|
always @(sync or epsilon_22 or epsilonReg_22 ) begin
|
398 |
|
|
if (sync == 1'b1) begin
|
399 |
|
|
epsilonMsb [7:0] = epsilon_22 [7:0];
|
400 |
|
|
end
|
401 |
|
|
else begin
|
402 |
|
|
epsilonMsb [7:0] = epsilonReg_22 [7:0];
|
403 |
|
|
end
|
404 |
|
|
end
|
405 |
|
|
|
406 |
|
|
|
407 |
|
|
//------------------------------------------------------------------------
|
408 |
|
|
// + product_0,..., product_21
|
409 |
|
|
//------------------------------------------------------------------------
|
410 |
|
|
wire [7:0] product_0;
|
411 |
|
|
wire [7:0] product_1;
|
412 |
|
|
wire [7:0] product_2;
|
413 |
|
|
wire [7:0] product_3;
|
414 |
|
|
wire [7:0] product_4;
|
415 |
|
|
wire [7:0] product_5;
|
416 |
|
|
wire [7:0] product_6;
|
417 |
|
|
wire [7:0] product_7;
|
418 |
|
|
wire [7:0] product_8;
|
419 |
|
|
wire [7:0] product_9;
|
420 |
|
|
wire [7:0] product_10;
|
421 |
|
|
wire [7:0] product_11;
|
422 |
|
|
wire [7:0] product_12;
|
423 |
|
|
wire [7:0] product_13;
|
424 |
|
|
wire [7:0] product_14;
|
425 |
|
|
wire [7:0] product_15;
|
426 |
|
|
wire [7:0] product_16;
|
427 |
|
|
wire [7:0] product_17;
|
428 |
|
|
wire [7:0] product_18;
|
429 |
|
|
wire [7:0] product_19;
|
430 |
|
|
wire [7:0] product_20;
|
431 |
|
|
wire [7:0] product_21;
|
432 |
|
|
|
433 |
|
|
|
434 |
|
|
RsDecodeMult RsDecodeMult_0 ( .A(epsilonMsb[7:0]), .B(syndromeReg_0[7:0]), .P(product_0[7:0]));
|
435 |
|
|
RsDecodeMult RsDecodeMult_1 ( .A(epsilonMsb[7:0]), .B(syndromeReg_1[7:0]), .P(product_1[7:0]));
|
436 |
|
|
RsDecodeMult RsDecodeMult_2 ( .A(epsilonMsb[7:0]), .B(syndromeReg_2[7:0]), .P(product_2[7:0]));
|
437 |
|
|
RsDecodeMult RsDecodeMult_3 ( .A(epsilonMsb[7:0]), .B(syndromeReg_3[7:0]), .P(product_3[7:0]));
|
438 |
|
|
RsDecodeMult RsDecodeMult_4 ( .A(epsilonMsb[7:0]), .B(syndromeReg_4[7:0]), .P(product_4[7:0]));
|
439 |
|
|
RsDecodeMult RsDecodeMult_5 ( .A(epsilonMsb[7:0]), .B(syndromeReg_5[7:0]), .P(product_5[7:0]));
|
440 |
|
|
RsDecodeMult RsDecodeMult_6 ( .A(epsilonMsb[7:0]), .B(syndromeReg_6[7:0]), .P(product_6[7:0]));
|
441 |
|
|
RsDecodeMult RsDecodeMult_7 ( .A(epsilonMsb[7:0]), .B(syndromeReg_7[7:0]), .P(product_7[7:0]));
|
442 |
|
|
RsDecodeMult RsDecodeMult_8 ( .A(epsilonMsb[7:0]), .B(syndromeReg_8[7:0]), .P(product_8[7:0]));
|
443 |
|
|
RsDecodeMult RsDecodeMult_9 ( .A(epsilonMsb[7:0]), .B(syndromeReg_9[7:0]), .P(product_9[7:0]));
|
444 |
|
|
RsDecodeMult RsDecodeMult_10 ( .A(epsilonMsb[7:0]), .B(syndromeReg_10[7:0]), .P(product_10[7:0]));
|
445 |
|
|
RsDecodeMult RsDecodeMult_11 ( .A(epsilonMsb[7:0]), .B(syndromeReg_11[7:0]), .P(product_11[7:0]));
|
446 |
|
|
RsDecodeMult RsDecodeMult_12 ( .A(epsilonMsb[7:0]), .B(syndromeReg_12[7:0]), .P(product_12[7:0]));
|
447 |
|
|
RsDecodeMult RsDecodeMult_13 ( .A(epsilonMsb[7:0]), .B(syndromeReg_13[7:0]), .P(product_13[7:0]));
|
448 |
|
|
RsDecodeMult RsDecodeMult_14 ( .A(epsilonMsb[7:0]), .B(syndromeReg_14[7:0]), .P(product_14[7:0]));
|
449 |
|
|
RsDecodeMult RsDecodeMult_15 ( .A(epsilonMsb[7:0]), .B(syndromeReg_15[7:0]), .P(product_15[7:0]));
|
450 |
|
|
RsDecodeMult RsDecodeMult_16 ( .A(epsilonMsb[7:0]), .B(syndromeReg_16[7:0]), .P(product_16[7:0]));
|
451 |
|
|
RsDecodeMult RsDecodeMult_17 ( .A(epsilonMsb[7:0]), .B(syndromeReg_17[7:0]), .P(product_17[7:0]));
|
452 |
|
|
RsDecodeMult RsDecodeMult_18 ( .A(epsilonMsb[7:0]), .B(syndromeReg_18[7:0]), .P(product_18[7:0]));
|
453 |
|
|
RsDecodeMult RsDecodeMult_19 ( .A(epsilonMsb[7:0]), .B(syndromeReg_19[7:0]), .P(product_19[7:0]));
|
454 |
|
|
RsDecodeMult RsDecodeMult_20 ( .A(epsilonMsb[7:0]), .B(syndromeReg_20[7:0]), .P(product_20[7:0]));
|
455 |
|
|
RsDecodeMult RsDecodeMult_21 ( .A(epsilonMsb[7:0]), .B(syndromeReg_21[7:0]), .P(product_21[7:0]));
|
456 |
|
|
|
457 |
|
|
|
458 |
|
|
|
459 |
|
|
//------------------------------------------------------------------------
|
460 |
|
|
// + sumReg_0,..., sumReg_21
|
461 |
|
|
//------------------------------------------------------------------------
|
462 |
|
|
reg [7:0] sumReg_0;
|
463 |
|
|
reg [7:0] sumReg_1;
|
464 |
|
|
reg [7:0] sumReg_2;
|
465 |
|
|
reg [7:0] sumReg_3;
|
466 |
|
|
reg [7:0] sumReg_4;
|
467 |
|
|
reg [7:0] sumReg_5;
|
468 |
|
|
reg [7:0] sumReg_6;
|
469 |
|
|
reg [7:0] sumReg_7;
|
470 |
|
|
reg [7:0] sumReg_8;
|
471 |
|
|
reg [7:0] sumReg_9;
|
472 |
|
|
reg [7:0] sumReg_10;
|
473 |
|
|
reg [7:0] sumReg_11;
|
474 |
|
|
reg [7:0] sumReg_12;
|
475 |
|
|
reg [7:0] sumReg_13;
|
476 |
|
|
reg [7:0] sumReg_14;
|
477 |
|
|
reg [7:0] sumReg_15;
|
478 |
|
|
reg [7:0] sumReg_16;
|
479 |
|
|
reg [7:0] sumReg_17;
|
480 |
|
|
reg [7:0] sumReg_18;
|
481 |
|
|
reg [7:0] sumReg_19;
|
482 |
|
|
reg [7:0] sumReg_20;
|
483 |
|
|
reg [7:0] sumReg_21;
|
484 |
|
|
|
485 |
|
|
|
486 |
|
|
always @(posedge CLK or negedge RESET) begin
|
487 |
|
|
if (~RESET) begin
|
488 |
|
|
sumReg_0 [7:0] <= 8'd0;
|
489 |
|
|
sumReg_1 [7:0] <= 8'd0;
|
490 |
|
|
sumReg_2 [7:0] <= 8'd0;
|
491 |
|
|
sumReg_3 [7:0] <= 8'd0;
|
492 |
|
|
sumReg_4 [7:0] <= 8'd0;
|
493 |
|
|
sumReg_5 [7:0] <= 8'd0;
|
494 |
|
|
sumReg_6 [7:0] <= 8'd0;
|
495 |
|
|
sumReg_7 [7:0] <= 8'd0;
|
496 |
|
|
sumReg_8 [7:0] <= 8'd0;
|
497 |
|
|
sumReg_9 [7:0] <= 8'd0;
|
498 |
|
|
sumReg_10 [7:0] <= 8'd0;
|
499 |
|
|
sumReg_11 [7:0] <= 8'd0;
|
500 |
|
|
sumReg_12 [7:0] <= 8'd0;
|
501 |
|
|
sumReg_13 [7:0] <= 8'd0;
|
502 |
|
|
sumReg_14 [7:0] <= 8'd0;
|
503 |
|
|
sumReg_15 [7:0] <= 8'd0;
|
504 |
|
|
sumReg_16 [7:0] <= 8'd0;
|
505 |
|
|
sumReg_17 [7:0] <= 8'd0;
|
506 |
|
|
sumReg_18 [7:0] <= 8'd0;
|
507 |
|
|
sumReg_19 [7:0] <= 8'd0;
|
508 |
|
|
sumReg_20 [7:0] <= 8'd0;
|
509 |
|
|
sumReg_21 [7:0] <= 8'd0;
|
510 |
|
|
end
|
511 |
|
|
else if (enable == 1'b1) begin
|
512 |
|
|
if (sync == 1'b1) begin
|
513 |
|
|
if (epsilon_22[7:0] != 8'd0) begin
|
514 |
|
|
sumReg_0 [7:0] <= syndromeIn_0 [7:0];
|
515 |
|
|
sumReg_1 [7:0] <= syndromeIn_1 [7:0];
|
516 |
|
|
sumReg_2 [7:0] <= syndromeIn_2 [7:0];
|
517 |
|
|
sumReg_3 [7:0] <= syndromeIn_3 [7:0];
|
518 |
|
|
sumReg_4 [7:0] <= syndromeIn_4 [7:0];
|
519 |
|
|
sumReg_5 [7:0] <= syndromeIn_5 [7:0];
|
520 |
|
|
sumReg_6 [7:0] <= syndromeIn_6 [7:0];
|
521 |
|
|
sumReg_7 [7:0] <= syndromeIn_7 [7:0];
|
522 |
|
|
sumReg_8 [7:0] <= syndromeIn_8 [7:0];
|
523 |
|
|
sumReg_9 [7:0] <= syndromeIn_9 [7:0];
|
524 |
|
|
sumReg_10 [7:0] <= syndromeIn_10 [7:0];
|
525 |
|
|
sumReg_11 [7:0] <= syndromeIn_11 [7:0];
|
526 |
|
|
sumReg_12 [7:0] <= syndromeIn_12 [7:0];
|
527 |
|
|
sumReg_13 [7:0] <= syndromeIn_13 [7:0];
|
528 |
|
|
sumReg_14 [7:0] <= syndromeIn_14 [7:0];
|
529 |
|
|
sumReg_15 [7:0] <= syndromeIn_15 [7:0];
|
530 |
|
|
sumReg_16 [7:0] <= syndromeIn_16 [7:0];
|
531 |
|
|
sumReg_17 [7:0] <= syndromeIn_17 [7:0];
|
532 |
|
|
sumReg_18 [7:0] <= syndromeIn_18 [7:0];
|
533 |
|
|
sumReg_19 [7:0] <= syndromeIn_19 [7:0];
|
534 |
|
|
sumReg_20 [7:0] <= syndromeIn_20 [7:0];
|
535 |
|
|
sumReg_21 [7:0] <= syndromeIn_21 [7:0];
|
536 |
|
|
end
|
537 |
|
|
else begin
|
538 |
|
|
sumReg_0 [7:0] <= 8'd0;
|
539 |
|
|
sumReg_1 [7:0] <= 8'd0;
|
540 |
|
|
sumReg_2 [7:0] <= 8'd0;
|
541 |
|
|
sumReg_3 [7:0] <= 8'd0;
|
542 |
|
|
sumReg_4 [7:0] <= 8'd0;
|
543 |
|
|
sumReg_5 [7:0] <= 8'd0;
|
544 |
|
|
sumReg_6 [7:0] <= 8'd0;
|
545 |
|
|
sumReg_7 [7:0] <= 8'd0;
|
546 |
|
|
sumReg_8 [7:0] <= 8'd0;
|
547 |
|
|
sumReg_9 [7:0] <= 8'd0;
|
548 |
|
|
sumReg_10 [7:0] <= 8'd0;
|
549 |
|
|
sumReg_11 [7:0] <= 8'd0;
|
550 |
|
|
sumReg_12 [7:0] <= 8'd0;
|
551 |
|
|
sumReg_13 [7:0] <= 8'd0;
|
552 |
|
|
sumReg_14 [7:0] <= 8'd0;
|
553 |
|
|
sumReg_15 [7:0] <= 8'd0;
|
554 |
|
|
sumReg_16 [7:0] <= 8'd0;
|
555 |
|
|
sumReg_17 [7:0] <= 8'd0;
|
556 |
|
|
sumReg_18 [7:0] <= 8'd0;
|
557 |
|
|
sumReg_19 [7:0] <= 8'd0;
|
558 |
|
|
sumReg_20 [7:0] <= 8'd0;
|
559 |
|
|
sumReg_21 [7:0] <= 8'd0;
|
560 |
|
|
end
|
561 |
|
|
end
|
562 |
|
|
else begin
|
563 |
|
|
sumReg_0 [7:0] <= product_0 [7:0];
|
564 |
|
|
sumReg_1 [7:0] <= sumReg_0 [7:0] ^ product_1 [7:0];
|
565 |
|
|
sumReg_2 [7:0] <= sumReg_1 [7:0] ^ product_2 [7:0];
|
566 |
|
|
sumReg_3 [7:0] <= sumReg_2 [7:0] ^ product_3 [7:0];
|
567 |
|
|
sumReg_4 [7:0] <= sumReg_3 [7:0] ^ product_4 [7:0];
|
568 |
|
|
sumReg_5 [7:0] <= sumReg_4 [7:0] ^ product_5 [7:0];
|
569 |
|
|
sumReg_6 [7:0] <= sumReg_5 [7:0] ^ product_6 [7:0];
|
570 |
|
|
sumReg_7 [7:0] <= sumReg_6 [7:0] ^ product_7 [7:0];
|
571 |
|
|
sumReg_8 [7:0] <= sumReg_7 [7:0] ^ product_8 [7:0];
|
572 |
|
|
sumReg_9 [7:0] <= sumReg_8 [7:0] ^ product_9 [7:0];
|
573 |
|
|
sumReg_10 [7:0] <= sumReg_9 [7:0] ^ product_10 [7:0];
|
574 |
|
|
sumReg_11 [7:0] <= sumReg_10 [7:0] ^ product_11 [7:0];
|
575 |
|
|
sumReg_12 [7:0] <= sumReg_11 [7:0] ^ product_12 [7:0];
|
576 |
|
|
sumReg_13 [7:0] <= sumReg_12 [7:0] ^ product_13 [7:0];
|
577 |
|
|
sumReg_14 [7:0] <= sumReg_13 [7:0] ^ product_14 [7:0];
|
578 |
|
|
sumReg_15 [7:0] <= sumReg_14 [7:0] ^ product_15 [7:0];
|
579 |
|
|
sumReg_16 [7:0] <= sumReg_15 [7:0] ^ product_16 [7:0];
|
580 |
|
|
sumReg_17 [7:0] <= sumReg_16 [7:0] ^ product_17 [7:0];
|
581 |
|
|
sumReg_18 [7:0] <= sumReg_17 [7:0] ^ product_18 [7:0];
|
582 |
|
|
sumReg_19 [7:0] <= sumReg_18 [7:0] ^ product_19 [7:0];
|
583 |
|
|
sumReg_20 [7:0] <= sumReg_19 [7:0] ^ product_20 [7:0];
|
584 |
|
|
sumReg_21 [7:0] <= sumReg_20 [7:0] ^ product_21 [7:0];
|
585 |
|
|
end
|
586 |
|
|
end
|
587 |
|
|
end
|
588 |
|
|
|
589 |
|
|
|
590 |
|
|
|
591 |
|
|
//------------------------------------------------------------------------
|
592 |
|
|
// Output signals
|
593 |
|
|
//------------------------------------------------------------------------
|
594 |
|
|
assign syndromeOut_0 [7:0] = sumReg_0 [7:0];
|
595 |
|
|
assign syndromeOut_1 [7:0] = sumReg_1 [7:0];
|
596 |
|
|
assign syndromeOut_2 [7:0] = sumReg_2 [7:0];
|
597 |
|
|
assign syndromeOut_3 [7:0] = sumReg_3 [7:0];
|
598 |
|
|
assign syndromeOut_4 [7:0] = sumReg_4 [7:0];
|
599 |
|
|
assign syndromeOut_5 [7:0] = sumReg_5 [7:0];
|
600 |
|
|
assign syndromeOut_6 [7:0] = sumReg_6 [7:0];
|
601 |
|
|
assign syndromeOut_7 [7:0] = sumReg_7 [7:0];
|
602 |
|
|
assign syndromeOut_8 [7:0] = sumReg_8 [7:0];
|
603 |
|
|
assign syndromeOut_9 [7:0] = sumReg_9 [7:0];
|
604 |
|
|
assign syndromeOut_10 [7:0] = sumReg_10 [7:0];
|
605 |
|
|
assign syndromeOut_11 [7:0] = sumReg_11 [7:0];
|
606 |
|
|
assign syndromeOut_12 [7:0] = sumReg_12 [7:0];
|
607 |
|
|
assign syndromeOut_13 [7:0] = sumReg_13 [7:0];
|
608 |
|
|
assign syndromeOut_14 [7:0] = sumReg_14 [7:0];
|
609 |
|
|
assign syndromeOut_15 [7:0] = sumReg_15 [7:0];
|
610 |
|
|
assign syndromeOut_16 [7:0] = sumReg_16 [7:0];
|
611 |
|
|
assign syndromeOut_17 [7:0] = sumReg_17 [7:0];
|
612 |
|
|
assign syndromeOut_18 [7:0] = sumReg_18 [7:0];
|
613 |
|
|
assign syndromeOut_19 [7:0] = sumReg_19 [7:0];
|
614 |
|
|
assign syndromeOut_20 [7:0] = sumReg_20 [7:0];
|
615 |
|
|
assign syndromeOut_21 [7:0] = sumReg_21 [7:0];
|
616 |
|
|
|
617 |
|
|
|
618 |
|
|
endmodule
|