1 | // This file is copyright 2013 by Rice University and was ported from the |
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2 | // original WARP OFDM Reference Design. It is distributed under the WARP license: |
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3 | // http://warpproject.org/license |
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4 | |
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5 | |
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6 | //************************************************************** |
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7 | // File: unpack_m2n.v |
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8 | // Author: Yang Sun (ysun@rice.edu) |
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9 | // Birth: $ 1/15/07 |
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10 | // Des: unpack from M bit to N bit, M > N |
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11 | // History: $ 1/15/07, Init coding |
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12 | // $ 1/21/07, K = 7 |
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13 | // $ 3/23, Fixed a naming problem for sysgen |
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14 | // Can not use VHDL reserved key world |
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15 | // $ 12/1/07: Updated |
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16 | //************************************************************** |
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17 | |
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18 | module unpack_m2n ( |
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19 | clk , // I, clock |
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20 | nrst , // I, n reset |
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21 | start , // I, start pulse |
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22 | din , // I, data input |
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23 | vin , // I, valid input |
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24 | dout , // O, data output |
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25 | vout , // O, valid output |
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26 | remain , // I, remain |
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27 | last , // I, last data |
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28 | done , // O, done |
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29 | early_trace |
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30 | ) ; |
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31 | |
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32 | parameter BITM = 48 ; |
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33 | parameter BITM_EARLY = 24 ; |
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34 | parameter BITN = 8 ; |
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35 | parameter LW = 7 ; |
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36 | |
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37 | input clk ; |
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38 | input nrst ; |
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39 | input start ; |
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40 | input [BITM-1 :0] din ; |
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41 | input vin ; |
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42 | input [LW -1:0] remain ; |
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43 | input last ; |
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44 | input early_trace; |
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45 | |
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46 | output [BITN-1 :0] dout ; |
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47 | output vout ; |
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48 | output done ; |
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49 | |
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50 | //================================================ |
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51 | //Internal signal |
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52 | //================================================ |
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53 | reg [BITM + BITN -1 :0] sreg ; |
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54 | wire [BITM + BITN -1 :0] sreg_next ; |
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55 | reg [LW -1 : 0] cnt = 0; |
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56 | wire rd ; |
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57 | wire [BITN-1 :0] data ; |
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58 | wire [BITM + BITN -1 :0] tmp ; |
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59 | wire [BITM + BITN -1 :0] tmp2 ; |
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60 | wire [LW -1 : 0] shift ; |
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61 | reg last_i ; |
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62 | reg last_byte_s0 ; |
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63 | wire last_byte ; |
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64 | |
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65 | //================================================ |
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66 | // Main RTL code |
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67 | //================================================ |
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68 | assign dout = data ; |
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69 | assign vout = rd ; |
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70 | |
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71 | always @ (posedge clk) |
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72 | if (~nrst) |
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73 | cnt <= 0 ; |
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74 | else if (start) |
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75 | cnt <= 0 ; |
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76 | else if (vin & early_trace) |
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77 | begin |
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78 | cnt <= cnt + BITM_EARLY ; |
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79 | end |
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80 | else if (vin)// & ~early_trace) |
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81 | begin |
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82 | if (~last) |
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83 | cnt <= cnt + BITM ; |
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84 | else |
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85 | cnt <= cnt + remain ; |
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86 | end |
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87 | else if (rd) |
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88 | cnt <= cnt - BITN ; |
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89 | |
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90 | assign rd = cnt >= BITN ; |
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91 | assign data = sreg [BITM + BITN -1 : BITM] ; |
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92 | assign tmp = {{BITM{1'b0}}, din} ; |
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93 | assign shift = BITN - cnt ; |
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94 | assign tmp2 = (tmp << shift) | sreg ; |
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95 | assign sreg_next = vin ? tmp2 : rd ? {sreg[BITM -1 : 0], {BITN{1'b0}}} : sreg ; |
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96 | |
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97 | always @ (posedge clk) |
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98 | if (~nrst) |
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99 | sreg <= 0 ; |
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100 | else if (start) |
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101 | sreg <= 0 ; |
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102 | else |
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103 | sreg <= sreg_next ; |
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104 | |
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105 | always @ (posedge clk) |
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106 | if (~nrst) |
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107 | last_i <= 1'b0 ; |
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108 | else if (start) |
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109 | last_i <= 1'b0 ; |
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110 | else if (vin & last) |
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111 | last_i <= 1'b1 ; |
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112 | |
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113 | assign last_byte = last_i && cnt < BITN ; |
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114 | always @ (posedge clk) |
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115 | last_byte_s0 <= last_byte ; |
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116 | |
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117 | assign done = ~last_byte_s0 & last_byte ; |
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118 | |
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119 | endmodule |
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120 | |
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121 | |
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122 | //************************************************************** |
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123 | // File: viterbi_core |
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124 | // Author: Yang Sun (ysun@rice.edu) |
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125 | // Birth: $ 1/14/07 |
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126 | // Des: The top level of viterbi decoder |
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127 | // Take 4 bit soft value is [-8 : +7] |
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128 | // K = 3. g0 = 7, g1 = 5 |
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129 | // K = 5, g0 (A) = 1 + x + x^2 + x^4, g1 (B) = 1 + x^3 + x^4 |
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130 | // K = 7, g0 (A) = 1 + x^2 + x^3 + x^4 + x^5 |
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131 | // g1 (B) = 1 + x + x^2 + x^3 + x^6 |
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132 | // History: $ 1/14/07, Init coding, K = 3 |
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133 | // $ 1/22/07, K = 5 |
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134 | // $ 1/26/07, Updated |
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135 | // $ 1/27/07, Change to LLR domain |
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136 | // $ 2/18/07, Supported K = 7 |
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137 | // $ 2/23/07, Added pipeline to max_metric |
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138 | // $ 12/1/07, Updated |
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139 | //************************************************************** |
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140 | //`define ZERO_TERM |
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141 | |
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142 | module viterbi_core ( |
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143 | clk , // I, clock |
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144 | nrst , // I, n reset |
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145 | packet_start, // I, packet start pulse |
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146 | zero_tail , // I, the code is zero terminated |
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147 | dv_in , // I, data valid input |
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148 | llr0 , // I, LLR 2nd |
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149 | llr1 , // I, LLR 1st |
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150 | packet_end , // I, packet end pulse |
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151 | dv_out , // O, data valid out |
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152 | dout , // O, data out |
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153 | done , // O, done pulse |
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154 | remain, // O, remain data cnt |
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155 | early_trace1, |
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156 | early_trace2 |
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157 | ) ; |
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158 | |
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159 | input early_trace1; |
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160 | input early_trace2; |
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161 | |
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162 | parameter SW = 4 ; // soft input precision |
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163 | parameter M = 7 ; // metric width |
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164 | |
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165 | parameter R = 48 ; // reliable trace |
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166 | parameter C = 40 ; // unreliable trace |
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167 | parameter L = 88 ; // total trace depth |
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168 | parameter LW = 7 ; // L width |
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169 | |
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170 | parameter R_EARLY1 = 24; //Early total trace depth |
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171 | parameter C_EARLY1 = 0; //Early unreliable trace |
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172 | parameter L_EARLY1 = 24; //Early reliable trace trace |
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173 | |
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174 | parameter R_EARLY2 = 48; //Early total trace depth |
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175 | parameter C_EARLY2 = 0; //Early unreliable trace |
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176 | parameter L_EARLY2 = 48; //Early reliable trace trace |
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177 | |
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178 | parameter K = 7 ; // constraint length |
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179 | parameter N = 64 ; // number of states = 2^(K-1) |
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180 | parameter TR = 128 ; // trace buffer |
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181 | parameter TRW = 7 ; // trace |
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182 | |
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183 | input clk ; // system clock |
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184 | input nrst ; // active low reset |
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185 | input packet_start ; // start of packet pulse |
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186 | input zero_tail ; // 1 = the code is terminated with 0, 0 = no termination |
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187 | input packet_end ; // end of packet pulse |
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188 | input dv_in ; // data valid input |
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189 | input [SW -1:0] llr1 ; // LLR soft value for bit1, LLR = log(Pr(ci=0/ri)/Pr(ci=1/ri)) |
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190 | input [SW -1:0] llr0 ; // LLR soft value for bit0, LLR = log(Pr(ci=0/ri)/Pr(ci=1/ri)) |
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191 | |
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192 | output done ; |
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193 | output [LW -1:0] remain ; |
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194 | output dv_out ; |
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195 | output [R-1:0] dout ; |
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196 | |
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197 | //====================================== |
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198 | //Internal signal |
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199 | //====================================== |
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200 | wire [SW:0] branch_00 ; |
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201 | wire [SW:0] branch_01 ; |
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202 | wire [SW:0] branch_10 ; |
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203 | wire [SW:0] branch_11 ; |
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204 | |
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205 | wire [SW:0] branch_A_0 ; |
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206 | wire [SW:0] branch_B_0 ; |
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207 | wire [SW:0] branch_A_1 ; |
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208 | wire [SW:0] branch_B_1 ; |
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209 | wire [SW:0] branch_A_2 ; |
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210 | wire [SW:0] branch_B_2 ; |
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211 | wire [SW:0] branch_A_3 ; |
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212 | wire [SW:0] branch_B_3 ; |
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213 | wire [SW:0] branch_A_4 ; |
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214 | wire [SW:0] branch_B_4 ; |
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215 | wire [SW:0] branch_A_5 ; |
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216 | wire [SW:0] branch_B_5 ; |
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217 | wire [SW:0] branch_A_6 ; |
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218 | wire [SW:0] branch_B_6 ; |
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219 | wire [SW:0] branch_A_7 ; |
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220 | wire [SW:0] branch_B_7 ; |
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221 | wire [SW:0] branch_A_8 ; |
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222 | wire [SW:0] branch_B_8 ; |
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223 | wire [SW:0] branch_A_9 ; |
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224 | wire [SW:0] branch_B_9 ; |
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225 | wire [SW:0] branch_A_10 ; |
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226 | wire [SW:0] branch_B_10 ; |
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227 | wire [SW:0] branch_A_11 ; |
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228 | wire [SW:0] branch_B_11 ; |
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229 | wire [SW:0] branch_A_12 ; |
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230 | wire [SW:0] branch_B_12 ; |
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231 | wire [SW:0] branch_A_13 ; |
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232 | wire [SW:0] branch_B_13 ; |
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233 | wire [SW:0] branch_A_14 ; |
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234 | wire [SW:0] branch_B_14 ; |
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235 | wire [SW:0] branch_A_15 ; |
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236 | wire [SW:0] branch_B_15 ; |
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237 | wire [SW:0] branch_A_16 ; |
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238 | wire [SW:0] branch_B_16 ; |
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239 | wire [SW:0] branch_A_17; |
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240 | wire [SW:0] branch_B_17; |
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241 | wire [SW:0] branch_A_18; |
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242 | wire [SW:0] branch_B_18; |
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243 | wire [SW:0] branch_A_19; |
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244 | wire [SW:0] branch_B_19; |
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245 | wire [SW:0] branch_A_20; |
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246 | wire [SW:0] branch_B_20; |
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247 | wire [SW:0] branch_A_21; |
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248 | wire [SW:0] branch_B_21; |
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249 | wire [SW:0] branch_A_22; |
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250 | wire [SW:0] branch_B_22; |
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251 | wire [SW:0] branch_A_23; |
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252 | wire [SW:0] branch_B_23; |
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253 | wire [SW:0] branch_A_24; |
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254 | wire [SW:0] branch_B_24; |
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255 | wire [SW:0] branch_A_25; |
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256 | wire [SW:0] branch_B_25; |
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257 | wire [SW:0] branch_A_26 ; |
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258 | wire [SW:0] branch_B_26 ; |
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259 | wire [SW:0] branch_A_27 ; |
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260 | wire [SW:0] branch_B_27 ; |
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261 | wire [SW:0] branch_A_28 ; |
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262 | wire [SW:0] branch_B_28 ; |
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263 | wire [SW:0] branch_A_29 ; |
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264 | wire [SW:0] branch_B_29 ; |
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265 | wire [SW:0] branch_A_30 ; |
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266 | wire [SW:0] branch_B_30 ; |
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267 | wire [SW:0] branch_A_31 ; |
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268 | wire [SW:0] branch_B_31 ; |
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269 | wire [SW:0] branch_A_32; |
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270 | wire [SW:0] branch_B_32; |
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271 | wire [SW:0] branch_A_33; |
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272 | wire [SW:0] branch_B_33; |
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273 | wire [SW:0] branch_A_34; |
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274 | wire [SW:0] branch_B_34; |
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275 | wire [SW:0] branch_A_35; |
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276 | wire [SW:0] branch_B_35; |
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277 | wire [SW:0] branch_A_36; |
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278 | wire [SW:0] branch_B_36; |
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279 | wire [SW:0] branch_A_37; |
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280 | wire [SW:0] branch_B_37; |
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281 | wire [SW:0] branch_A_38; |
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282 | wire [SW:0] branch_B_38; |
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283 | wire [SW:0] branch_A_39; |
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284 | wire [SW:0] branch_B_39; |
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285 | wire [SW:0] branch_A_40; |
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286 | wire [SW:0] branch_B_40; |
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287 | wire [SW:0] branch_A_41; |
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288 | wire [SW:0] branch_B_41; |
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289 | wire [SW:0] branch_A_42 ; |
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290 | wire [SW:0] branch_B_42 ; |
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291 | wire [SW:0] branch_A_43 ; |
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292 | wire [SW:0] branch_B_43 ; |
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293 | wire [SW:0] branch_A_44 ; |
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294 | wire [SW:0] branch_B_44 ; |
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295 | wire [SW:0] branch_A_45 ; |
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296 | wire [SW:0] branch_B_45 ; |
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297 | wire [SW:0] branch_A_46 ; |
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298 | wire [SW:0] branch_B_46 ; |
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299 | wire [SW:0] branch_A_47 ; |
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300 | wire [SW:0] branch_B_47 ; |
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301 | wire [SW:0] branch_A_48; |
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302 | wire [SW:0] branch_B_48; |
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303 | wire [SW:0] branch_A_49; |
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304 | wire [SW:0] branch_B_49; |
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305 | wire [SW:0] branch_A_50; |
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306 | wire [SW:0] branch_B_50; |
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307 | wire [SW:0] branch_A_51; |
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308 | wire [SW:0] branch_B_51; |
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309 | wire [SW:0] branch_A_52; |
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310 | wire [SW:0] branch_B_52; |
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311 | wire [SW:0] branch_A_53; |
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312 | wire [SW:0] branch_B_53; |
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313 | wire [SW:0] branch_A_54; |
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314 | wire [SW:0] branch_B_54; |
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315 | wire [SW:0] branch_A_55; |
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316 | wire [SW:0] branch_B_55; |
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317 | wire [SW:0] branch_A_56; |
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318 | wire [SW:0] branch_B_56; |
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319 | wire [SW:0] branch_A_57; |
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320 | wire [SW:0] branch_B_57; |
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321 | wire [SW:0] branch_A_58 ; |
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322 | wire [SW:0] branch_B_58 ; |
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323 | wire [SW:0] branch_A_59 ; |
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324 | wire [SW:0] branch_B_59 ; |
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325 | wire [SW:0] branch_A_60 ; |
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326 | wire [SW:0] branch_B_60 ; |
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327 | wire [SW:0] branch_A_61 ; |
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328 | wire [SW:0] branch_B_61 ; |
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329 | wire [SW:0] branch_A_62 ; |
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330 | wire [SW:0] branch_B_62 ; |
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331 | wire [SW:0] branch_A_63 ; |
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332 | wire [SW:0] branch_B_63 ; |
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333 | |
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334 | reg [M -1:0] metric_0 ; |
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335 | reg [M -1:0] metric_1 ; |
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336 | reg [M -1:0] metric_2 ; |
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337 | reg [M -1:0] metric_3 ; |
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338 | reg [M -1:0] metric_4 ; |
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339 | reg [M -1:0] metric_5 ; |
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340 | reg [M -1:0] metric_6 ; |
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341 | reg [M -1:0] metric_7 ; |
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342 | reg [M -1:0] metric_8 ; |
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343 | reg [M -1:0] metric_9 ; |
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344 | reg [M -1:0] metric_10 ; |
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345 | reg [M -1:0] metric_11 ; |
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346 | reg [M -1:0] metric_12 ; |
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347 | reg [M -1:0] metric_13 ; |
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348 | reg [M -1:0] metric_14 ; |
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349 | reg [M -1:0] metric_15 ; |
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350 | reg [M -1:0] metric_16; |
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351 | reg [M -1:0] metric_17; |
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352 | reg [M -1:0] metric_18; |
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353 | reg [M -1:0] metric_19; |
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354 | reg [M -1:0] metric_20; |
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355 | reg [M -1:0] metric_21; |
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356 | reg [M -1:0] metric_22; |
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357 | reg [M -1:0] metric_23; |
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358 | reg [M -1:0] metric_24; |
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359 | reg [M -1:0] metric_25; |
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360 | reg [M -1:0] metric_26 ; |
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361 | reg [M -1:0] metric_27 ; |
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362 | reg [M -1:0] metric_28 ; |
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363 | reg [M -1:0] metric_29 ; |
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364 | reg [M -1:0] metric_30 ; |
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365 | reg [M -1:0] metric_31 ; |
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366 | reg [M -1:0] metric_32; |
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367 | reg [M -1:0] metric_33; |
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368 | reg [M -1:0] metric_34; |
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369 | reg [M -1:0] metric_35; |
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370 | reg [M -1:0] metric_36; |
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371 | reg [M -1:0] metric_37; |
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372 | reg [M -1:0] metric_38; |
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373 | reg [M -1:0] metric_39; |
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374 | reg [M -1:0] metric_40; |
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375 | reg [M -1:0] metric_41; |
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376 | reg [M -1:0] metric_42 ; |
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377 | reg [M -1:0] metric_43 ; |
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378 | reg [M -1:0] metric_44 ; |
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379 | reg [M -1:0] metric_45 ; |
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380 | reg [M -1:0] metric_46 ; |
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381 | reg [M -1:0] metric_47 ; |
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382 | reg [M -1:0] metric_48; |
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383 | reg [M -1:0] metric_49; |
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384 | reg [M -1:0] metric_50; |
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385 | reg [M -1:0] metric_51; |
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386 | reg [M -1:0] metric_52; |
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387 | reg [M -1:0] metric_53; |
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388 | reg [M -1:0] metric_54; |
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389 | reg [M -1:0] metric_55; |
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390 | reg [M -1:0] metric_56; |
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391 | reg [M -1:0] metric_57; |
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392 | reg [M -1:0] metric_58 ; |
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393 | reg [M -1:0] metric_59 ; |
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394 | reg [M -1:0] metric_60 ; |
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395 | reg [M -1:0] metric_61 ; |
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396 | reg [M -1:0] metric_62 ; |
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397 | reg [M -1:0] metric_63 ; |
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398 | |
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399 | wire [M -1:0] metric_next_0 ; |
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400 | wire [M -1:0] metric_next_1 ; |
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401 | wire [M -1:0] metric_next_2 ; |
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402 | wire [M -1:0] metric_next_3 ; |
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403 | wire [M -1:0] metric_next_4 ; |
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404 | wire [M -1:0] metric_next_5 ; |
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405 | wire [M -1:0] metric_next_6 ; |
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406 | wire [M -1:0] metric_next_7 ; |
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407 | wire [M -1:0] metric_next_8 ; |
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408 | wire [M -1:0] metric_next_9 ; |
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409 | wire [M -1:0] metric_next_10 ; |
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410 | wire [M -1:0] metric_next_11 ; |
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411 | wire [M -1:0] metric_next_12 ; |
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412 | wire [M -1:0] metric_next_13 ; |
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413 | wire [M -1:0] metric_next_14 ; |
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414 | wire [M -1:0] metric_next_15 ; |
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415 | wire [M -1:0] metric_next_16; |
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416 | wire [M -1:0] metric_next_17; |
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417 | wire [M -1:0] metric_next_18; |
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418 | wire [M -1:0] metric_next_19; |
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419 | wire [M -1:0] metric_next_20; |
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420 | wire [M -1:0] metric_next_21; |
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421 | wire [M -1:0] metric_next_22; |
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422 | wire [M -1:0] metric_next_23; |
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423 | wire [M -1:0] metric_next_24; |
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424 | wire [M -1:0] metric_next_25; |
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425 | wire [M -1:0] metric_next_26 ; |
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426 | wire [M -1:0] metric_next_27 ; |
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427 | wire [M -1:0] metric_next_28 ; |
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428 | wire [M -1:0] metric_next_29 ; |
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429 | wire [M -1:0] metric_next_30 ; |
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430 | wire [M -1:0] metric_next_31 ; |
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431 | wire [M -1:0] metric_next_32; |
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432 | wire [M -1:0] metric_next_33; |
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433 | wire [M -1:0] metric_next_34; |
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434 | wire [M -1:0] metric_next_35; |
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435 | wire [M -1:0] metric_next_36; |
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436 | wire [M -1:0] metric_next_37; |
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437 | wire [M -1:0] metric_next_38; |
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438 | wire [M -1:0] metric_next_39; |
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439 | wire [M -1:0] metric_next_40; |
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440 | wire [M -1:0] metric_next_41; |
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441 | wire [M -1:0] metric_next_42 ; |
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442 | wire [M -1:0] metric_next_43 ; |
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443 | wire [M -1:0] metric_next_44 ; |
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444 | wire [M -1:0] metric_next_45 ; |
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445 | wire [M -1:0] metric_next_46 ; |
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446 | wire [M -1:0] metric_next_47 ; |
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447 | wire [M -1:0] metric_next_48; |
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448 | wire [M -1:0] metric_next_49; |
---|
449 | wire [M -1:0] metric_next_50; |
---|
450 | wire [M -1:0] metric_next_51; |
---|
451 | wire [M -1:0] metric_next_52; |
---|
452 | wire [M -1:0] metric_next_53; |
---|
453 | wire [M -1:0] metric_next_54; |
---|
454 | wire [M -1:0] metric_next_55; |
---|
455 | wire [M -1:0] metric_next_56; |
---|
456 | wire [M -1:0] metric_next_57; |
---|
457 | wire [M -1:0] metric_next_58 ; |
---|
458 | wire [M -1:0] metric_next_59 ; |
---|
459 | wire [M -1:0] metric_next_60 ; |
---|
460 | wire [M -1:0] metric_next_61 ; |
---|
461 | wire [M -1:0] metric_next_62 ; |
---|
462 | wire [M -1:0] metric_next_63 ; |
---|
463 | |
---|
464 | wire [M -1:0] metric_A_0 ; |
---|
465 | wire [M -1:0] metric_B_0 ; |
---|
466 | wire [M -1:0] metric_A_1 ; |
---|
467 | wire [M -1:0] metric_B_1 ; |
---|
468 | wire [M -1:0] metric_A_2 ; |
---|
469 | wire [M -1:0] metric_B_2 ; |
---|
470 | wire [M -1:0] metric_A_3 ; |
---|
471 | wire [M -1:0] metric_B_3 ; |
---|
472 | wire [M -1:0] metric_A_4 ; |
---|
473 | wire [M -1:0] metric_B_4 ; |
---|
474 | wire [M -1:0] metric_A_5 ; |
---|
475 | wire [M -1:0] metric_B_5 ; |
---|
476 | wire [M -1:0] metric_A_6 ; |
---|
477 | wire [M -1:0] metric_B_6 ; |
---|
478 | wire [M -1:0] metric_A_7 ; |
---|
479 | wire [M -1:0] metric_B_7 ; |
---|
480 | wire [M -1:0] metric_A_8 ; |
---|
481 | wire [M -1:0] metric_B_8 ; |
---|
482 | wire [M -1:0] metric_A_9 ; |
---|
483 | wire [M -1:0] metric_B_9 ; |
---|
484 | wire [M -1:0] metric_A_10 ; |
---|
485 | wire [M -1:0] metric_B_10 ; |
---|
486 | wire [M -1:0] metric_A_11 ; |
---|
487 | wire [M -1:0] metric_B_11 ; |
---|
488 | wire [M -1:0] metric_A_12 ; |
---|
489 | wire [M -1:0] metric_B_12 ; |
---|
490 | wire [M -1:0] metric_A_13 ; |
---|
491 | wire [M -1:0] metric_B_13 ; |
---|
492 | wire [M -1:0] metric_A_14 ; |
---|
493 | wire [M -1:0] metric_B_14 ; |
---|
494 | wire [M -1:0] metric_A_15 ; |
---|
495 | wire [M -1:0] metric_B_15 ; |
---|
496 | wire [M -1:0] metric_A_16; |
---|
497 | wire [M -1:0] metric_B_16; |
---|
498 | wire [M -1:0] metric_A_17; |
---|
499 | wire [M -1:0] metric_B_17; |
---|
500 | wire [M -1:0] metric_A_18; |
---|
501 | wire [M -1:0] metric_B_18; |
---|
502 | wire [M -1:0] metric_A_19; |
---|
503 | wire [M -1:0] metric_B_19; |
---|
504 | wire [M -1:0] metric_A_20; |
---|
505 | wire [M -1:0] metric_B_20; |
---|
506 | wire [M -1:0] metric_A_21; |
---|
507 | wire [M -1:0] metric_B_21; |
---|
508 | wire [M -1:0] metric_A_22; |
---|
509 | wire [M -1:0] metric_B_22; |
---|
510 | wire [M -1:0] metric_A_23; |
---|
511 | wire [M -1:0] metric_B_23; |
---|
512 | wire [M -1:0] metric_A_24; |
---|
513 | wire [M -1:0] metric_B_24; |
---|
514 | wire [M -1:0] metric_A_25; |
---|
515 | wire [M -1:0] metric_B_25; |
---|
516 | wire [M -1:0] metric_A_26 ; |
---|
517 | wire [M -1:0] metric_B_26 ; |
---|
518 | wire [M -1:0] metric_A_27 ; |
---|
519 | wire [M -1:0] metric_B_27 ; |
---|
520 | wire [M -1:0] metric_A_28 ; |
---|
521 | wire [M -1:0] metric_B_28 ; |
---|
522 | wire [M -1:0] metric_A_29 ; |
---|
523 | wire [M -1:0] metric_B_29 ; |
---|
524 | wire [M -1:0] metric_A_30 ; |
---|
525 | wire [M -1:0] metric_B_30 ; |
---|
526 | wire [M -1:0] metric_A_31 ; |
---|
527 | wire [M -1:0] metric_B_31 ; |
---|
528 | wire [M -1:0] metric_A_32; |
---|
529 | wire [M -1:0] metric_B_32; |
---|
530 | wire [M -1:0] metric_A_33; |
---|
531 | wire [M -1:0] metric_B_33; |
---|
532 | wire [M -1:0] metric_A_34; |
---|
533 | wire [M -1:0] metric_B_34; |
---|
534 | wire [M -1:0] metric_A_35; |
---|
535 | wire [M -1:0] metric_B_35; |
---|
536 | wire [M -1:0] metric_A_36; |
---|
537 | wire [M -1:0] metric_B_36; |
---|
538 | wire [M -1:0] metric_A_37; |
---|
539 | wire [M -1:0] metric_B_37; |
---|
540 | wire [M -1:0] metric_A_38; |
---|
541 | wire [M -1:0] metric_B_38; |
---|
542 | wire [M -1:0] metric_A_39; |
---|
543 | wire [M -1:0] metric_B_39; |
---|
544 | wire [M -1:0] metric_A_40; |
---|
545 | wire [M -1:0] metric_B_40; |
---|
546 | wire [M -1:0] metric_A_41; |
---|
547 | wire [M -1:0] metric_B_41; |
---|
548 | wire [M -1:0] metric_A_42 ; |
---|
549 | wire [M -1:0] metric_B_42 ; |
---|
550 | wire [M -1:0] metric_A_43 ; |
---|
551 | wire [M -1:0] metric_B_43 ; |
---|
552 | wire [M -1:0] metric_A_44 ; |
---|
553 | wire [M -1:0] metric_B_44 ; |
---|
554 | wire [M -1:0] metric_A_45 ; |
---|
555 | wire [M -1:0] metric_B_45 ; |
---|
556 | wire [M -1:0] metric_A_46 ; |
---|
557 | wire [M -1:0] metric_B_46 ; |
---|
558 | wire [M -1:0] metric_A_47 ; |
---|
559 | wire [M -1:0] metric_B_47 ; |
---|
560 | wire [M -1:0] metric_A_48; |
---|
561 | wire [M -1:0] metric_B_48; |
---|
562 | wire [M -1:0] metric_A_49; |
---|
563 | wire [M -1:0] metric_B_49; |
---|
564 | wire [M -1:0] metric_A_50; |
---|
565 | wire [M -1:0] metric_B_50; |
---|
566 | wire [M -1:0] metric_A_51; |
---|
567 | wire [M -1:0] metric_B_51; |
---|
568 | wire [M -1:0] metric_A_52; |
---|
569 | wire [M -1:0] metric_B_52; |
---|
570 | wire [M -1:0] metric_A_53; |
---|
571 | wire [M -1:0] metric_B_53; |
---|
572 | wire [M -1:0] metric_A_54; |
---|
573 | wire [M -1:0] metric_B_54; |
---|
574 | wire [M -1:0] metric_A_55; |
---|
575 | wire [M -1:0] metric_B_55; |
---|
576 | wire [M -1:0] metric_A_56; |
---|
577 | wire [M -1:0] metric_B_56; |
---|
578 | wire [M -1:0] metric_A_57; |
---|
579 | wire [M -1:0] metric_B_57; |
---|
580 | wire [M -1:0] metric_A_58 ; |
---|
581 | wire [M -1:0] metric_B_58 ; |
---|
582 | wire [M -1:0] metric_A_59 ; |
---|
583 | wire [M -1:0] metric_B_59 ; |
---|
584 | wire [M -1:0] metric_A_60 ; |
---|
585 | wire [M -1:0] metric_B_60 ; |
---|
586 | wire [M -1:0] metric_A_61 ; |
---|
587 | wire [M -1:0] metric_B_61 ; |
---|
588 | wire [M -1:0] metric_A_62 ; |
---|
589 | wire [M -1:0] metric_B_62 ; |
---|
590 | wire [M -1:0] metric_A_63 ; |
---|
591 | wire [M -1:0] metric_B_63 ; |
---|
592 | |
---|
593 | // 64 state tran |
---|
594 | reg [0:0] tran_state_0 [TR -1:0] ; |
---|
595 | reg [0:0] tran_state_1 [TR -1:0] ; |
---|
596 | reg [0:0] tran_state_2 [TR -1:0] ; |
---|
597 | reg [0:0] tran_state_3 [TR -1:0] ; |
---|
598 | reg [0:0] tran_state_4 [TR -1:0] ; |
---|
599 | reg [0:0] tran_state_5 [TR -1:0] ; |
---|
600 | reg [0:0] tran_state_6 [TR -1:0] ; |
---|
601 | reg [0:0] tran_state_7 [TR -1:0] ; |
---|
602 | reg [0:0] tran_state_8 [TR -1:0] ; |
---|
603 | reg [0:0] tran_state_9 [TR -1:0] ; |
---|
604 | reg [0:0] tran_state_10 [TR -1:0] ; |
---|
605 | reg [0:0] tran_state_11 [TR -1:0] ; |
---|
606 | reg [0:0] tran_state_12 [TR -1:0] ; |
---|
607 | reg [0:0] tran_state_13 [TR -1:0] ; |
---|
608 | reg [0:0] tran_state_14 [TR -1:0] ; |
---|
609 | reg [0:0] tran_state_15 [TR -1:0] ; |
---|
610 | reg [0:0] tran_state_16 [TR -1:0] ; |
---|
611 | reg [0:0] tran_state_17 [TR -1:0] ; |
---|
612 | reg [0:0] tran_state_18 [TR -1:0] ; |
---|
613 | reg [0:0] tran_state_19 [TR -1:0] ; |
---|
614 | reg [0:0] tran_state_20 [TR -1:0] ; |
---|
615 | reg [0:0] tran_state_21 [TR -1:0] ; |
---|
616 | reg [0:0] tran_state_22 [TR -1:0] ; |
---|
617 | reg [0:0] tran_state_23 [TR -1:0] ; |
---|
618 | reg [0:0] tran_state_24 [TR -1:0] ; |
---|
619 | reg [0:0] tran_state_25 [TR -1:0] ; |
---|
620 | reg [0:0] tran_state_26 [TR -1:0] ; |
---|
621 | reg [0:0] tran_state_27 [TR -1:0] ; |
---|
622 | reg [0:0] tran_state_28 [TR -1:0] ; |
---|
623 | reg [0:0] tran_state_29 [TR -1:0] ; |
---|
624 | reg [0:0] tran_state_30 [TR -1:0] ; |
---|
625 | reg [0:0] tran_state_31 [TR -1:0] ; |
---|
626 | reg [0:0] tran_state_32 [TR -1:0] ; |
---|
627 | reg [0:0] tran_state_33 [TR -1:0] ; |
---|
628 | reg [0:0] tran_state_34 [TR -1:0] ; |
---|
629 | reg [0:0] tran_state_35 [TR -1:0] ; |
---|
630 | reg [0:0] tran_state_36 [TR -1:0] ; |
---|
631 | reg [0:0] tran_state_37 [TR -1:0] ; |
---|
632 | reg [0:0] tran_state_38 [TR -1:0] ; |
---|
633 | reg [0:0] tran_state_39 [TR -1:0] ; |
---|
634 | reg [0:0] tran_state_40 [TR -1:0] ; |
---|
635 | reg [0:0] tran_state_41 [TR -1:0] ; |
---|
636 | reg [0:0] tran_state_42 [TR -1:0] ; |
---|
637 | reg [0:0] tran_state_43 [TR -1:0] ; |
---|
638 | reg [0:0] tran_state_44 [TR -1:0] ; |
---|
639 | reg [0:0] tran_state_45 [TR -1:0] ; |
---|
640 | reg [0:0] tran_state_46 [TR -1:0] ; |
---|
641 | reg [0:0] tran_state_47 [TR -1:0] ; |
---|
642 | reg [0:0] tran_state_48 [TR -1:0] ; |
---|
643 | reg [0:0] tran_state_49 [TR -1:0] ; |
---|
644 | reg [0:0] tran_state_50 [TR -1:0] ; |
---|
645 | reg [0:0] tran_state_51 [TR -1:0] ; |
---|
646 | reg [0:0] tran_state_52 [TR -1:0] ; |
---|
647 | reg [0:0] tran_state_53 [TR -1:0] ; |
---|
648 | reg [0:0] tran_state_54 [TR -1:0] ; |
---|
649 | reg [0:0] tran_state_55 [TR -1:0] ; |
---|
650 | reg [0:0] tran_state_56 [TR -1:0] ; |
---|
651 | reg [0:0] tran_state_57 [TR -1:0] ; |
---|
652 | reg [0:0] tran_state_58 [TR -1:0] ; |
---|
653 | reg [0:0] tran_state_59 [TR -1:0] ; |
---|
654 | reg [0:0] tran_state_60 [TR -1:0] ; |
---|
655 | reg [0:0] tran_state_61 [TR -1:0] ; |
---|
656 | reg [0:0] tran_state_62 [TR -1:0] ; |
---|
657 | reg [0:0] tran_state_63 [TR -1:0] ; |
---|
658 | |
---|
659 | reg [TRW -1:0] wptr ; |
---|
660 | reg [TRW -1:0] last_wptr ; |
---|
661 | |
---|
662 | wire [M -1:0] diff_0 ; |
---|
663 | wire [M -1:0] diff_1 ; |
---|
664 | wire [M -1:0] diff_2 ; |
---|
665 | wire [M -1:0] diff_3 ; |
---|
666 | wire [M -1:0] diff_4 ; |
---|
667 | wire [M -1:0] diff_5 ; |
---|
668 | wire [M -1:0] diff_6 ; |
---|
669 | wire [M -1:0] diff_7 ; |
---|
670 | wire [M -1:0] diff_8 ; |
---|
671 | wire [M -1:0] diff_9 ; |
---|
672 | wire [M -1:0] diff_10; |
---|
673 | wire [M -1:0] diff_11; |
---|
674 | wire [M -1:0] diff_12; |
---|
675 | wire [M -1:0] diff_13; |
---|
676 | wire [M -1:0] diff_14; |
---|
677 | wire [M -1:0] diff_15; |
---|
678 | wire [M -1:0] diff_16; |
---|
679 | wire [M -1:0] diff_17; |
---|
680 | wire [M -1:0] diff_18; |
---|
681 | wire [M -1:0] diff_19; |
---|
682 | wire [M -1:0] diff_20; |
---|
683 | wire [M -1:0] diff_21; |
---|
684 | wire [M -1:0] diff_22; |
---|
685 | wire [M -1:0] diff_23; |
---|
686 | wire [M -1:0] diff_24; |
---|
687 | wire [M -1:0] diff_25; |
---|
688 | wire [M -1:0] diff_26; |
---|
689 | wire [M -1:0] diff_27; |
---|
690 | wire [M -1:0] diff_28; |
---|
691 | wire [M -1:0] diff_29; |
---|
692 | wire [M -1:0] diff_30; |
---|
693 | wire [M -1:0] diff_31; |
---|
694 | wire [M -1:0] diff_32; |
---|
695 | wire [M -1:0] diff_33; |
---|
696 | wire [M -1:0] diff_34; |
---|
697 | wire [M -1:0] diff_35; |
---|
698 | wire [M -1:0] diff_36; |
---|
699 | wire [M -1:0] diff_37; |
---|
700 | wire [M -1:0] diff_38; |
---|
701 | wire [M -1:0] diff_39; |
---|
702 | wire [M -1:0] diff_40; |
---|
703 | wire [M -1:0] diff_41; |
---|
704 | wire [M -1:0] diff_42; |
---|
705 | wire [M -1:0] diff_43; |
---|
706 | wire [M -1:0] diff_44; |
---|
707 | wire [M -1:0] diff_45; |
---|
708 | wire [M -1:0] diff_46; |
---|
709 | wire [M -1:0] diff_47; |
---|
710 | wire [M -1:0] diff_48; |
---|
711 | wire [M -1:0] diff_49; |
---|
712 | wire [M -1:0] diff_50; |
---|
713 | wire [M -1:0] diff_51; |
---|
714 | wire [M -1:0] diff_52; |
---|
715 | wire [M -1:0] diff_53; |
---|
716 | wire [M -1:0] diff_54; |
---|
717 | wire [M -1:0] diff_55; |
---|
718 | wire [M -1:0] diff_56; |
---|
719 | wire [M -1:0] diff_57; |
---|
720 | wire [M -1:0] diff_58; |
---|
721 | wire [M -1:0] diff_59; |
---|
722 | wire [M -1:0] diff_60; |
---|
723 | wire [M -1:0] diff_61; |
---|
724 | wire [M -1:0] diff_62; |
---|
725 | wire [M -1:0] diff_63; |
---|
726 | |
---|
727 | reg nd ; |
---|
728 | reg [LW -1:0] cnt ; |
---|
729 | reg trace ; |
---|
730 | reg trace_en ; |
---|
731 | |
---|
732 | reg early_trace1_en; |
---|
733 | reg early_trace2_en; |
---|
734 | |
---|
735 | wire trace_done ; |
---|
736 | reg trace_done_s0 ; |
---|
737 | wire trace_done_pos ; |
---|
738 | reg [TRW -1:0] trace_cnt ; |
---|
739 | reg [L-1:0] res ; |
---|
740 | wire [L-1:0] res_shift ; |
---|
741 | wire [K-2: 0] init_state_i ; |
---|
742 | reg [K-2: 0] trace_state ; |
---|
743 | |
---|
744 | wire [K-2: 0] cur_state0 ; |
---|
745 | wire [K-2: 0] cur_state1 ; |
---|
746 | wire [K-2: 0] next_state ; |
---|
747 | reg [TRW -1:0] trace_start_wptr ; |
---|
748 | wire [TRW -1:0] trace_start_pos ; |
---|
749 | wire [TRW -1:0] trace_start_pos0 ; |
---|
750 | wire [TRW -1:0] trace_start_pos1 ; |
---|
751 | reg last_trace ; |
---|
752 | reg last_trace_s0 ; |
---|
753 | wire trace2 ; |
---|
754 | reg trace2_s1 ; |
---|
755 | reg trace2_s2 ; |
---|
756 | reg trace_pos ; |
---|
757 | wire trace_pos_i ; |
---|
758 | reg [LW -1:0] last_trace_num ; |
---|
759 | reg flush_en ; |
---|
760 | wire flush ; |
---|
761 | reg done_i ; |
---|
762 | |
---|
763 | wire [K-2: 0] state_0 ; |
---|
764 | wire [K-2: 0] state_1 ; |
---|
765 | wire [K-2: 0] state_2 ; |
---|
766 | wire [K-2: 0] state_3 ; |
---|
767 | wire [K-2: 0] state_4 ; |
---|
768 | wire [K-2: 0] state_5 ; |
---|
769 | wire [K-2: 0] state_6 ; |
---|
770 | wire [K-2: 0] state_7 ; |
---|
771 | wire [K-2: 0] state_8 ; |
---|
772 | wire [K-2: 0] state_9 ; |
---|
773 | wire [K-2: 0] state_10 ; |
---|
774 | wire [K-2: 0] state_11 ; |
---|
775 | wire [K-2: 0] state_12 ; |
---|
776 | wire [K-2: 0] state_13 ; |
---|
777 | wire [K-2: 0] state_14 ; |
---|
778 | wire [K-2: 0] state_15 ; |
---|
779 | |
---|
780 | wire [K-2: 0] state_s1_0 ; |
---|
781 | wire [K-2: 0] state_s1_1 ; |
---|
782 | wire [K-2: 0] state_s1_2 ; |
---|
783 | wire [K-2: 0] state_s1_3 ; |
---|
784 | |
---|
785 | wire [K-2: 0] state_s2_0 ; |
---|
786 | |
---|
787 | wire [M-1: 0] max_0 ; |
---|
788 | wire [M-1: 0] max_1 ; |
---|
789 | wire [M-1: 0] max_2 ; |
---|
790 | wire [M-1: 0] max_3 ; |
---|
791 | wire [M-1: 0] max_4 ; |
---|
792 | wire [M-1: 0] max_5 ; |
---|
793 | wire [M-1: 0] max_6 ; |
---|
794 | wire [M-1: 0] max_7 ; |
---|
795 | wire [M-1: 0] max_8 ; |
---|
796 | wire [M-1: 0] max_9 ; |
---|
797 | wire [M-1: 0] max_10 ; |
---|
798 | wire [M-1: 0] max_11 ; |
---|
799 | wire [M-1: 0] max_12 ; |
---|
800 | wire [M-1: 0] max_13 ; |
---|
801 | wire [M-1: 0] max_14 ; |
---|
802 | wire [M-1: 0] max_15 ; |
---|
803 | |
---|
804 | wire [M-1: 0] max_s1_0 ; |
---|
805 | wire [M-1: 0] max_s1_1 ; |
---|
806 | wire [M-1: 0] max_s1_2 ; |
---|
807 | wire [M-1: 0] max_s1_3 ; |
---|
808 | |
---|
809 | //reg [M-1: 0] max_s1_0_s0 ; |
---|
810 | //reg [M-1: 0] max_s1_1_s0 ; |
---|
811 | //reg [M-1: 0] max_s1_2_s0 ; |
---|
812 | //reg [M-1: 0] max_s1_3_s0 ; |
---|
813 | |
---|
814 | //wire [M-1: 0] max_s2_0 ; |
---|
815 | |
---|
816 | wire [N -1:0] tran_all_0 ; |
---|
817 | wire [N -1:0] tran_all_1 ; |
---|
818 | |
---|
819 | reg [6:0] flush_cnt ; |
---|
820 | wire [LW -1:0] rem_i ; |
---|
821 | reg [LW -1:0] last_cnt ; |
---|
822 | wire [LW -1:0] last_cnt_next ; |
---|
823 | reg last_trace_d0 ; |
---|
824 | reg last_trace_d1 ; |
---|
825 | reg last_trace_d2 ; |
---|
826 | reg last_trace_d3 ; |
---|
827 | reg last_trace_d4 ; |
---|
828 | reg last_trace_d5 ; |
---|
829 | reg one_more_out ; |
---|
830 | reg in_dec ; |
---|
831 | wire dv_in_gate ; |
---|
832 | reg trace_pos_s0 ; |
---|
833 | |
---|
834 | //====================================== |
---|
835 | // Main body of code |
---|
836 | //====================================== |
---|
837 | assign dv_out = trace_done_pos | one_more_out ; |
---|
838 | assign res_shift = res << last_trace_num ; |
---|
839 | assign dout = res_shift [L -1:C] ; |
---|
840 | assign remain = last_trace ? rem_i : 0 ; |
---|
841 | assign done = dv_out & done_i ; |
---|
842 | assign rem_i = ~last_cnt_next[LW-1] ? 0 : last_cnt ; |
---|
843 | |
---|
844 | //assign dv_in_gate = dv_in & in_dec ; |
---|
845 | assign dv_in_gate = dv_in & in_dec & (~packet_end) ; |
---|
846 | |
---|
847 | always @ (posedge clk) |
---|
848 | if (~nrst) |
---|
849 | in_dec <= 1'b0 ; |
---|
850 | else if (packet_start) |
---|
851 | in_dec <= 1'b1 ; |
---|
852 | else if (packet_end) |
---|
853 | in_dec <= 1'b0 ; |
---|
854 | |
---|
855 | |
---|
856 | //{coe_0 coe_1}, generated from C model gen_table |
---|
857 | //0 0; |
---|
858 | //0 1; |
---|
859 | //1 0; |
---|
860 | //1 1; |
---|
861 | //1 0; |
---|
862 | //1 1; |
---|
863 | //0 0; |
---|
864 | //0 1; |
---|
865 | |
---|
866 | assign branch_00 = {llr1[SW -1], llr1} + {llr0[SW -1], llr0} ; //LLR(bit1) + LLR(bit0) |
---|
867 | assign branch_01 = {llr1[SW -1], llr1} ; //LLR(bit1) |
---|
868 | assign branch_10 = {llr0[SW -1], llr0} ; //LLR(bit0) |
---|
869 | assign branch_11 = 0 ; //0 |
---|
870 | |
---|
871 | assign branch_A_0 = branch_00 ; |
---|
872 | assign branch_B_0 = branch_11 ; |
---|
873 | assign branch_A_1 = branch_10 ; |
---|
874 | assign branch_B_1 = branch_01 ; |
---|
875 | assign branch_A_2 = branch_00 ; |
---|
876 | assign branch_B_2 = branch_11 ; |
---|
877 | assign branch_A_3 = branch_10 ; |
---|
878 | assign branch_B_3 = branch_01 ; |
---|
879 | assign branch_A_4 = branch_11 ; |
---|
880 | assign branch_B_4 = branch_00 ; |
---|
881 | assign branch_A_5 = branch_01 ; |
---|
882 | assign branch_B_5 = branch_10 ; |
---|
883 | assign branch_A_6 = branch_11 ; |
---|
884 | assign branch_B_6 = branch_00 ; |
---|
885 | assign branch_A_7 = branch_01 ; |
---|
886 | assign branch_B_7 = branch_10 ; |
---|
887 | assign branch_A_8 = branch_11 ; |
---|
888 | assign branch_B_8 = branch_00 ; |
---|
889 | assign branch_A_9 = branch_01 ; |
---|
890 | assign branch_B_9 = branch_10 ; |
---|
891 | assign branch_A_10 = branch_11 ; |
---|
892 | assign branch_B_10 = branch_00 ; |
---|
893 | assign branch_A_11 = branch_01 ; |
---|
894 | assign branch_B_11 = branch_10 ; |
---|
895 | assign branch_A_12 = branch_00 ; |
---|
896 | assign branch_B_12 = branch_11 ; |
---|
897 | assign branch_A_13 = branch_10 ; |
---|
898 | assign branch_B_13 = branch_01 ; |
---|
899 | assign branch_A_14 = branch_00 ; |
---|
900 | assign branch_B_14 = branch_11 ; |
---|
901 | assign branch_A_15 = branch_10 ; |
---|
902 | assign branch_B_15 = branch_01 ; |
---|
903 | assign branch_A_16 = branch_01 ; |
---|
904 | assign branch_B_16 = branch_10 ; |
---|
905 | assign branch_A_17 = branch_11 ; |
---|
906 | assign branch_B_17 = branch_00 ; |
---|
907 | assign branch_A_18 = branch_01 ; |
---|
908 | assign branch_B_18 = branch_10 ; |
---|
909 | assign branch_A_19 = branch_11 ; |
---|
910 | assign branch_B_19 = branch_00 ; |
---|
911 | assign branch_A_20 = branch_10 ; |
---|
912 | assign branch_B_20 = branch_01 ; |
---|
913 | assign branch_A_21 = branch_00 ; |
---|
914 | assign branch_B_21 = branch_11 ; |
---|
915 | assign branch_A_22 = branch_10 ; |
---|
916 | assign branch_B_22 = branch_01 ; |
---|
917 | assign branch_A_23 = branch_00 ; |
---|
918 | assign branch_B_23 = branch_11 ; |
---|
919 | assign branch_A_24 = branch_10 ; |
---|
920 | assign branch_B_24 = branch_01 ; |
---|
921 | assign branch_A_25 = branch_00 ; |
---|
922 | assign branch_B_25 = branch_11 ; |
---|
923 | assign branch_A_26 = branch_10 ; |
---|
924 | assign branch_B_26 = branch_01 ; |
---|
925 | assign branch_A_27 = branch_00 ; |
---|
926 | assign branch_B_27 = branch_11 ; |
---|
927 | assign branch_A_28 = branch_01 ; |
---|
928 | assign branch_B_28 = branch_10 ; |
---|
929 | assign branch_A_29 = branch_11 ; |
---|
930 | assign branch_B_29 = branch_00 ; |
---|
931 | assign branch_A_30 = branch_01 ; |
---|
932 | assign branch_B_30 = branch_10 ; |
---|
933 | assign branch_A_31 = branch_11 ; |
---|
934 | assign branch_B_31 = branch_00 ; |
---|
935 | |
---|
936 | assign branch_A_32 = branch_B_0 ; |
---|
937 | assign branch_B_32 = branch_A_0 ; |
---|
938 | assign branch_A_33 = branch_B_1 ; |
---|
939 | assign branch_B_33 = branch_A_1 ; |
---|
940 | assign branch_A_34 = branch_B_2 ; |
---|
941 | assign branch_B_34 = branch_A_2 ; |
---|
942 | assign branch_A_35 = branch_B_3 ; |
---|
943 | assign branch_B_35 = branch_A_3 ; |
---|
944 | assign branch_A_36 = branch_B_4 ; |
---|
945 | assign branch_B_36 = branch_A_4 ; |
---|
946 | assign branch_A_37 = branch_B_5 ; |
---|
947 | assign branch_B_37 = branch_A_5 ; |
---|
948 | assign branch_A_38 = branch_B_6 ; |
---|
949 | assign branch_B_38 = branch_A_6 ; |
---|
950 | assign branch_A_39 = branch_B_7 ; |
---|
951 | assign branch_B_39 = branch_A_7 ; |
---|
952 | assign branch_A_40 = branch_B_8 ; |
---|
953 | assign branch_B_40 = branch_A_8 ; |
---|
954 | assign branch_A_41 = branch_B_9 ; |
---|
955 | assign branch_B_41 = branch_A_9 ; |
---|
956 | assign branch_A_42 = branch_B_10 ; |
---|
957 | assign branch_B_42 = branch_A_10 ; |
---|
958 | assign branch_A_43 = branch_B_11 ; |
---|
959 | assign branch_B_43 = branch_A_11 ; |
---|
960 | assign branch_A_44 = branch_B_12 ; |
---|
961 | assign branch_B_44 = branch_A_12 ; |
---|
962 | assign branch_A_45 = branch_B_13 ; |
---|
963 | assign branch_B_45 = branch_A_13 ; |
---|
964 | assign branch_A_46 = branch_B_14 ; |
---|
965 | assign branch_B_46 = branch_A_14 ; |
---|
966 | assign branch_A_47 = branch_B_15 ; |
---|
967 | assign branch_B_47 = branch_A_15 ; |
---|
968 | assign branch_A_48 = branch_B_16 ; |
---|
969 | assign branch_B_48 = branch_A_16 ; |
---|
970 | assign branch_A_49 = branch_B_17 ; |
---|
971 | assign branch_B_49 = branch_A_17 ; |
---|
972 | assign branch_A_50 = branch_B_18 ; |
---|
973 | assign branch_B_50 = branch_A_18 ; |
---|
974 | assign branch_A_51 = branch_B_19 ; |
---|
975 | assign branch_B_51 = branch_A_19 ; |
---|
976 | assign branch_A_52 = branch_B_20 ; |
---|
977 | assign branch_B_52 = branch_A_20 ; |
---|
978 | assign branch_A_53 = branch_B_21 ; |
---|
979 | assign branch_B_53 = branch_A_21 ; |
---|
980 | assign branch_A_54 = branch_B_22 ; |
---|
981 | assign branch_B_54 = branch_A_22 ; |
---|
982 | assign branch_A_55 = branch_B_23 ; |
---|
983 | assign branch_B_55 = branch_A_23 ; |
---|
984 | assign branch_A_56 = branch_B_24 ; |
---|
985 | assign branch_B_56 = branch_A_24 ; |
---|
986 | assign branch_A_57 = branch_B_25 ; |
---|
987 | assign branch_B_57 = branch_A_25 ; |
---|
988 | assign branch_A_58 = branch_B_26 ; |
---|
989 | assign branch_B_58 = branch_A_26 ; |
---|
990 | assign branch_A_59 = branch_B_27 ; |
---|
991 | assign branch_B_59 = branch_A_27 ; |
---|
992 | assign branch_A_60 = branch_B_28 ; |
---|
993 | assign branch_B_60 = branch_A_28 ; |
---|
994 | assign branch_A_61 = branch_B_29 ; |
---|
995 | assign branch_B_61 = branch_A_29 ; |
---|
996 | assign branch_A_62 = branch_B_30 ; |
---|
997 | assign branch_B_62 = branch_A_30 ; |
---|
998 | assign branch_A_63 = branch_B_31 ; |
---|
999 | assign branch_B_63 = branch_A_31 ; |
---|
1000 | |
---|
1001 | assign metric_A_0 = metric_0 + {{(M -SW -1){branch_A_0[SW]}}, branch_A_0} ; |
---|
1002 | assign metric_B_0 = metric_1 + {{(M -SW -1){branch_B_0[SW]}}, branch_B_0} ; |
---|
1003 | assign metric_A_1 = metric_2 + {{(M -SW -1){branch_A_1[SW]}}, branch_A_1} ; |
---|
1004 | assign metric_B_1 = metric_3 + {{(M -SW -1){branch_B_1[SW]}}, branch_B_1} ; |
---|
1005 | assign metric_A_2 = metric_4 + {{(M -SW -1){branch_A_2[SW]}}, branch_A_2} ; |
---|
1006 | assign metric_B_2 = metric_5 + {{(M -SW -1){branch_B_2[SW]}}, branch_B_2} ; |
---|
1007 | assign metric_A_3 = metric_6 + {{(M -SW -1){branch_A_3[SW]}}, branch_A_3} ; |
---|
1008 | assign metric_B_3 = metric_7 + {{(M -SW -1){branch_B_3[SW]}}, branch_B_3} ; |
---|
1009 | assign metric_A_4 = metric_8 + {{(M -SW -1){branch_A_4[SW]}}, branch_A_4} ; |
---|
1010 | assign metric_B_4 = metric_9 + {{(M -SW -1){branch_B_4[SW]}}, branch_B_4} ; |
---|
1011 | assign metric_A_5 = metric_10 + {{(M -SW -1){branch_A_5[SW]}}, branch_A_5} ; |
---|
1012 | assign metric_B_5 = metric_11 + {{(M -SW -1){branch_B_5[SW]}}, branch_B_5} ; |
---|
1013 | assign metric_A_6 = metric_12 + {{(M -SW -1){branch_A_6[SW]}}, branch_A_6} ; |
---|
1014 | assign metric_B_6 = metric_13 + {{(M -SW -1){branch_B_6[SW]}}, branch_B_6} ; |
---|
1015 | assign metric_A_7 = metric_14 + {{(M -SW -1){branch_A_7[SW]}}, branch_A_7} ; |
---|
1016 | assign metric_B_7 = metric_15 + {{(M -SW -1){branch_B_7[SW]}}, branch_B_7} ; |
---|
1017 | assign metric_A_8 = metric_16 + {{(M -SW -1){branch_A_8[SW]}}, branch_A_8} ; |
---|
1018 | assign metric_B_8 = metric_17 + {{(M -SW -1){branch_B_8[SW]}}, branch_B_8} ; |
---|
1019 | assign metric_A_9 = metric_18 + {{(M -SW -1){branch_A_9[SW]}}, branch_A_9} ; |
---|
1020 | assign metric_B_9 = metric_19 + {{(M -SW -1){branch_B_9[SW]}}, branch_B_9} ; |
---|
1021 | assign metric_A_10 = metric_20 + {{(M -SW -1){branch_A_10[SW]}}, branch_A_10} ; |
---|
1022 | assign metric_B_10 = metric_21 + {{(M -SW -1){branch_B_10[SW]}}, branch_B_10} ; |
---|
1023 | assign metric_A_11 = metric_22 + {{(M -SW -1){branch_A_11[SW]}}, branch_A_11} ; |
---|
1024 | assign metric_B_11 = metric_23 + {{(M -SW -1){branch_B_11[SW]}}, branch_B_11} ; |
---|
1025 | assign metric_A_12 = metric_24 + {{(M -SW -1){branch_A_12[SW]}}, branch_A_12} ; |
---|
1026 | assign metric_B_12 = metric_25 + {{(M -SW -1){branch_B_12[SW]}}, branch_B_12} ; |
---|
1027 | assign metric_A_13 = metric_26 + {{(M -SW -1){branch_A_13[SW]}}, branch_A_13} ; |
---|
1028 | assign metric_B_13 = metric_27 + {{(M -SW -1){branch_B_13[SW]}}, branch_B_13} ; |
---|
1029 | assign metric_A_14 = metric_28 + {{(M -SW -1){branch_A_14[SW]}}, branch_A_14} ; |
---|
1030 | assign metric_B_14 = metric_29 + {{(M -SW -1){branch_B_14[SW]}}, branch_B_14} ; |
---|
1031 | assign metric_A_15 = metric_30 + {{(M -SW -1){branch_A_15[SW]}}, branch_A_15} ; |
---|
1032 | assign metric_B_15 = metric_31 + {{(M -SW -1){branch_B_15[SW]}}, branch_B_15} ; |
---|
1033 | assign metric_A_16 = metric_32 + {{(M -SW -1){branch_A_16[SW]}}, branch_A_16} ; |
---|
1034 | assign metric_B_16 = metric_33 + {{(M -SW -1){branch_B_16[SW]}}, branch_B_16} ; |
---|
1035 | assign metric_A_17 = metric_34 + {{(M -SW -1){branch_A_17[SW]}}, branch_A_17} ; |
---|
1036 | assign metric_B_17 = metric_35 + {{(M -SW -1){branch_B_17[SW]}}, branch_B_17} ; |
---|
1037 | assign metric_A_18 = metric_36 + {{(M -SW -1){branch_A_18[SW]}}, branch_A_18} ; |
---|
1038 | assign metric_B_18 = metric_37 + {{(M -SW -1){branch_B_18[SW]}}, branch_B_18} ; |
---|
1039 | assign metric_A_19 = metric_38 + {{(M -SW -1){branch_A_19[SW]}}, branch_A_19} ; |
---|
1040 | assign metric_B_19 = metric_39 + {{(M -SW -1){branch_B_19[SW]}}, branch_B_19} ; |
---|
1041 | assign metric_A_20 = metric_40 + {{(M -SW -1){branch_A_20[SW]}}, branch_A_20} ; |
---|
1042 | assign metric_B_20 = metric_41 + {{(M -SW -1){branch_B_20[SW]}}, branch_B_20} ; |
---|
1043 | assign metric_A_21 = metric_42 + {{(M -SW -1){branch_A_21[SW]}}, branch_A_21} ; |
---|
1044 | assign metric_B_21 = metric_43 + {{(M -SW -1){branch_B_21[SW]}}, branch_B_21} ; |
---|
1045 | assign metric_A_22 = metric_44 + {{(M -SW -1){branch_A_22[SW]}}, branch_A_22} ; |
---|
1046 | assign metric_B_22 = metric_45 + {{(M -SW -1){branch_B_22[SW]}}, branch_B_22} ; |
---|
1047 | assign metric_A_23 = metric_46 + {{(M -SW -1){branch_A_23[SW]}}, branch_A_23} ; |
---|
1048 | assign metric_B_23 = metric_47 + {{(M -SW -1){branch_B_23[SW]}}, branch_B_23} ; |
---|
1049 | assign metric_A_24 = metric_48 + {{(M -SW -1){branch_A_24[SW]}}, branch_A_24} ; |
---|
1050 | assign metric_B_24 = metric_49 + {{(M -SW -1){branch_B_24[SW]}}, branch_B_24} ; |
---|
1051 | assign metric_A_25 = metric_50 + {{(M -SW -1){branch_A_25[SW]}}, branch_A_25} ; |
---|
1052 | assign metric_B_25 = metric_51 + {{(M -SW -1){branch_B_25[SW]}}, branch_B_25} ; |
---|
1053 | assign metric_A_26 = metric_52 + {{(M -SW -1){branch_A_26[SW]}}, branch_A_26} ; |
---|
1054 | assign metric_B_26 = metric_53 + {{(M -SW -1){branch_B_26[SW]}}, branch_B_26} ; |
---|
1055 | assign metric_A_27 = metric_54 + {{(M -SW -1){branch_A_27[SW]}}, branch_A_27} ; |
---|
1056 | assign metric_B_27 = metric_55 + {{(M -SW -1){branch_B_27[SW]}}, branch_B_27} ; |
---|
1057 | assign metric_A_28 = metric_56 + {{(M -SW -1){branch_A_28[SW]}}, branch_A_28} ; |
---|
1058 | assign metric_B_28 = metric_57 + {{(M -SW -1){branch_B_28[SW]}}, branch_B_28} ; |
---|
1059 | assign metric_A_29 = metric_58 + {{(M -SW -1){branch_A_29[SW]}}, branch_A_29} ; |
---|
1060 | assign metric_B_29 = metric_59 + {{(M -SW -1){branch_B_29[SW]}}, branch_B_29} ; |
---|
1061 | assign metric_A_30 = metric_60 + {{(M -SW -1){branch_A_30[SW]}}, branch_A_30} ; |
---|
1062 | assign metric_B_30 = metric_61 + {{(M -SW -1){branch_B_30[SW]}}, branch_B_30} ; |
---|
1063 | assign metric_A_31 = metric_62 + {{(M -SW -1){branch_A_31[SW]}}, branch_A_31} ; |
---|
1064 | assign metric_B_31 = metric_63 + {{(M -SW -1){branch_B_31[SW]}}, branch_B_31} ; |
---|
1065 | assign metric_A_32 = metric_0 + {{(M -SW -1){branch_A_32[SW]}}, branch_A_32} ; |
---|
1066 | assign metric_B_32 = metric_1 + {{(M -SW -1){branch_B_32[SW]}}, branch_B_32} ; |
---|
1067 | assign metric_A_33 = metric_2 + {{(M -SW -1){branch_A_33[SW]}}, branch_A_33} ; |
---|
1068 | assign metric_B_33 = metric_3 + {{(M -SW -1){branch_B_33[SW]}}, branch_B_33} ; |
---|
1069 | assign metric_A_34 = metric_4 + {{(M -SW -1){branch_A_34[SW]}}, branch_A_34} ; |
---|
1070 | assign metric_B_34 = metric_5 + {{(M -SW -1){branch_B_34[SW]}}, branch_B_34} ; |
---|
1071 | assign metric_A_35 = metric_6 + {{(M -SW -1){branch_A_35[SW]}}, branch_A_35} ; |
---|
1072 | assign metric_B_35 = metric_7 + {{(M -SW -1){branch_B_35[SW]}}, branch_B_35} ; |
---|
1073 | assign metric_A_36 = metric_8 + {{(M -SW -1){branch_A_36[SW]}}, branch_A_36} ; |
---|
1074 | assign metric_B_36 = metric_9 + {{(M -SW -1){branch_B_36[SW]}}, branch_B_36} ; |
---|
1075 | assign metric_A_37 = metric_10 + {{(M -SW -1){branch_A_37[SW]}}, branch_A_37} ; |
---|
1076 | assign metric_B_37 = metric_11 + {{(M -SW -1){branch_B_37[SW]}}, branch_B_37} ; |
---|
1077 | assign metric_A_38 = metric_12 + {{(M -SW -1){branch_A_38[SW]}}, branch_A_38} ; |
---|
1078 | assign metric_B_38 = metric_13 + {{(M -SW -1){branch_B_38[SW]}}, branch_B_38} ; |
---|
1079 | assign metric_A_39 = metric_14 + {{(M -SW -1){branch_A_39[SW]}}, branch_A_39} ; |
---|
1080 | assign metric_B_39 = metric_15 + {{(M -SW -1){branch_B_39[SW]}}, branch_B_39} ; |
---|
1081 | assign metric_A_40 = metric_16 + {{(M -SW -1){branch_A_40[SW]}}, branch_A_40} ; |
---|
1082 | assign metric_B_40 = metric_17 + {{(M -SW -1){branch_B_40[SW]}}, branch_B_40} ; |
---|
1083 | assign metric_A_41 = metric_18 + {{(M -SW -1){branch_A_41[SW]}}, branch_A_41} ; |
---|
1084 | assign metric_B_41 = metric_19 + {{(M -SW -1){branch_B_41[SW]}}, branch_B_41} ; |
---|
1085 | assign metric_A_42 = metric_20 + {{(M -SW -1){branch_A_42[SW]}}, branch_A_42} ; |
---|
1086 | assign metric_B_42 = metric_21 + {{(M -SW -1){branch_B_42[SW]}}, branch_B_42} ; |
---|
1087 | assign metric_A_43 = metric_22 + {{(M -SW -1){branch_A_43[SW]}}, branch_A_43} ; |
---|
1088 | assign metric_B_43 = metric_23 + {{(M -SW -1){branch_B_43[SW]}}, branch_B_43} ; |
---|
1089 | assign metric_A_44 = metric_24 + {{(M -SW -1){branch_A_44[SW]}}, branch_A_44} ; |
---|
1090 | assign metric_B_44 = metric_25 + {{(M -SW -1){branch_B_44[SW]}}, branch_B_44} ; |
---|
1091 | assign metric_A_45 = metric_26 + {{(M -SW -1){branch_A_45[SW]}}, branch_A_45} ; |
---|
1092 | assign metric_B_45 = metric_27 + {{(M -SW -1){branch_B_45[SW]}}, branch_B_45} ; |
---|
1093 | assign metric_A_46 = metric_28 + {{(M -SW -1){branch_A_46[SW]}}, branch_A_46} ; |
---|
1094 | assign metric_B_46 = metric_29 + {{(M -SW -1){branch_B_46[SW]}}, branch_B_46} ; |
---|
1095 | assign metric_A_47 = metric_30 + {{(M -SW -1){branch_A_47[SW]}}, branch_A_47} ; |
---|
1096 | assign metric_B_47 = metric_31 + {{(M -SW -1){branch_B_47[SW]}}, branch_B_47} ; |
---|
1097 | assign metric_A_48 = metric_32 + {{(M -SW -1){branch_A_48[SW]}}, branch_A_48} ; |
---|
1098 | assign metric_B_48 = metric_33 + {{(M -SW -1){branch_B_48[SW]}}, branch_B_48} ; |
---|
1099 | assign metric_A_49 = metric_34 + {{(M -SW -1){branch_A_49[SW]}}, branch_A_49} ; |
---|
1100 | assign metric_B_49 = metric_35 + {{(M -SW -1){branch_B_49[SW]}}, branch_B_49} ; |
---|
1101 | assign metric_A_50 = metric_36 + {{(M -SW -1){branch_A_50[SW]}}, branch_A_50} ; |
---|
1102 | assign metric_B_50 = metric_37 + {{(M -SW -1){branch_B_50[SW]}}, branch_B_50} ; |
---|
1103 | assign metric_A_51 = metric_38 + {{(M -SW -1){branch_A_51[SW]}}, branch_A_51} ; |
---|
1104 | assign metric_B_51 = metric_39 + {{(M -SW -1){branch_B_51[SW]}}, branch_B_51} ; |
---|
1105 | assign metric_A_52 = metric_40 + {{(M -SW -1){branch_A_52[SW]}}, branch_A_52} ; |
---|
1106 | assign metric_B_52 = metric_41 + {{(M -SW -1){branch_B_52[SW]}}, branch_B_52} ; |
---|
1107 | assign metric_A_53 = metric_42 + {{(M -SW -1){branch_A_53[SW]}}, branch_A_53} ; |
---|
1108 | assign metric_B_53 = metric_43 + {{(M -SW -1){branch_B_53[SW]}}, branch_B_53} ; |
---|
1109 | assign metric_A_54 = metric_44 + {{(M -SW -1){branch_A_54[SW]}}, branch_A_54} ; |
---|
1110 | assign metric_B_54 = metric_45 + {{(M -SW -1){branch_B_54[SW]}}, branch_B_54} ; |
---|
1111 | assign metric_A_55 = metric_46 + {{(M -SW -1){branch_A_55[SW]}}, branch_A_55} ; |
---|
1112 | assign metric_B_55 = metric_47 + {{(M -SW -1){branch_B_55[SW]}}, branch_B_55} ; |
---|
1113 | assign metric_A_56 = metric_48 + {{(M -SW -1){branch_A_56[SW]}}, branch_A_56} ; |
---|
1114 | assign metric_B_56 = metric_49 + {{(M -SW -1){branch_B_56[SW]}}, branch_B_56} ; |
---|
1115 | assign metric_A_57 = metric_50 + {{(M -SW -1){branch_A_57[SW]}}, branch_A_57} ; |
---|
1116 | assign metric_B_57 = metric_51 + {{(M -SW -1){branch_B_57[SW]}}, branch_B_57} ; |
---|
1117 | assign metric_A_58 = metric_52 + {{(M -SW -1){branch_A_58[SW]}}, branch_A_58} ; |
---|
1118 | assign metric_B_58 = metric_53 + {{(M -SW -1){branch_B_58[SW]}}, branch_B_58} ; |
---|
1119 | assign metric_A_59 = metric_54 + {{(M -SW -1){branch_A_59[SW]}}, branch_A_59} ; |
---|
1120 | assign metric_B_59 = metric_55 + {{(M -SW -1){branch_B_59[SW]}}, branch_B_59} ; |
---|
1121 | assign metric_A_60 = metric_56 + {{(M -SW -1){branch_A_60[SW]}}, branch_A_60} ; |
---|
1122 | assign metric_B_60 = metric_57 + {{(M -SW -1){branch_B_60[SW]}}, branch_B_60} ; |
---|
1123 | assign metric_A_61 = metric_58 + {{(M -SW -1){branch_A_61[SW]}}, branch_A_61} ; |
---|
1124 | assign metric_B_61 = metric_59 + {{(M -SW -1){branch_B_61[SW]}}, branch_B_61} ; |
---|
1125 | assign metric_A_62 = metric_60 + {{(M -SW -1){branch_A_62[SW]}}, branch_A_62} ; |
---|
1126 | assign metric_B_62 = metric_61 + {{(M -SW -1){branch_B_62[SW]}}, branch_B_62} ; |
---|
1127 | assign metric_A_63 = metric_62 + {{(M -SW -1){branch_A_63[SW]}}, branch_A_63} ; |
---|
1128 | assign metric_B_63 = metric_63 + {{(M -SW -1){branch_B_63[SW]}}, branch_B_63} ; |
---|
1129 | |
---|
1130 | assign diff_0 = metric_A_0 - metric_B_0 ; |
---|
1131 | assign diff_1 = metric_A_1 - metric_B_1 ; |
---|
1132 | assign diff_2 = metric_A_2 - metric_B_2 ; |
---|
1133 | assign diff_3 = metric_A_3 - metric_B_3 ; |
---|
1134 | assign diff_4 = metric_A_4 - metric_B_4 ; |
---|
1135 | assign diff_5 = metric_A_5 - metric_B_5 ; |
---|
1136 | assign diff_6 = metric_A_6 - metric_B_6 ; |
---|
1137 | assign diff_7 = metric_A_7 - metric_B_7 ; |
---|
1138 | assign diff_8 = metric_A_8 - metric_B_8 ; |
---|
1139 | assign diff_9 = metric_A_9 - metric_B_9 ; |
---|
1140 | assign diff_10 = metric_A_10 - metric_B_10 ; |
---|
1141 | assign diff_11 = metric_A_11 - metric_B_11 ; |
---|
1142 | assign diff_12 = metric_A_12 - metric_B_12 ; |
---|
1143 | assign diff_13 = metric_A_13 - metric_B_13 ; |
---|
1144 | assign diff_14 = metric_A_14 - metric_B_14 ; |
---|
1145 | assign diff_15 = metric_A_15 - metric_B_15 ; |
---|
1146 | assign diff_16 = metric_A_16 - metric_B_16 ; |
---|
1147 | assign diff_17 = metric_A_17 - metric_B_17 ; |
---|
1148 | assign diff_18 = metric_A_18 - metric_B_18 ; |
---|
1149 | assign diff_19 = metric_A_19 - metric_B_19 ; |
---|
1150 | assign diff_20 = metric_A_20 - metric_B_20 ; |
---|
1151 | assign diff_21 = metric_A_21 - metric_B_21 ; |
---|
1152 | assign diff_22 = metric_A_22 - metric_B_22 ; |
---|
1153 | assign diff_23 = metric_A_23 - metric_B_23 ; |
---|
1154 | assign diff_24 = metric_A_24 - metric_B_24 ; |
---|
1155 | assign diff_25 = metric_A_25 - metric_B_25 ; |
---|
1156 | assign diff_26 = metric_A_26 - metric_B_26 ; |
---|
1157 | assign diff_27 = metric_A_27 - metric_B_27 ; |
---|
1158 | assign diff_28 = metric_A_28 - metric_B_28 ; |
---|
1159 | assign diff_29 = metric_A_29 - metric_B_29 ; |
---|
1160 | assign diff_30 = metric_A_30 - metric_B_30 ; |
---|
1161 | assign diff_31 = metric_A_31 - metric_B_31 ; |
---|
1162 | assign diff_32 = metric_A_32 - metric_B_32 ; |
---|
1163 | assign diff_33 = metric_A_33 - metric_B_33 ; |
---|
1164 | assign diff_34 = metric_A_34 - metric_B_34 ; |
---|
1165 | assign diff_35 = metric_A_35 - metric_B_35 ; |
---|
1166 | assign diff_36 = metric_A_36 - metric_B_36 ; |
---|
1167 | assign diff_37 = metric_A_37 - metric_B_37 ; |
---|
1168 | assign diff_38 = metric_A_38 - metric_B_38 ; |
---|
1169 | assign diff_39 = metric_A_39 - metric_B_39 ; |
---|
1170 | assign diff_40 = metric_A_40 - metric_B_40 ; |
---|
1171 | assign diff_41 = metric_A_41 - metric_B_41 ; |
---|
1172 | assign diff_42 = metric_A_42 - metric_B_42 ; |
---|
1173 | assign diff_43 = metric_A_43 - metric_B_43 ; |
---|
1174 | assign diff_44 = metric_A_44 - metric_B_44 ; |
---|
1175 | assign diff_45 = metric_A_45 - metric_B_45 ; |
---|
1176 | assign diff_46 = metric_A_46 - metric_B_46 ; |
---|
1177 | assign diff_47 = metric_A_47 - metric_B_47 ; |
---|
1178 | assign diff_48 = metric_A_48 - metric_B_48 ; |
---|
1179 | assign diff_49 = metric_A_49 - metric_B_49 ; |
---|
1180 | assign diff_50 = metric_A_50 - metric_B_50 ; |
---|
1181 | assign diff_51 = metric_A_51 - metric_B_51 ; |
---|
1182 | assign diff_52 = metric_A_52 - metric_B_52 ; |
---|
1183 | assign diff_53 = metric_A_53 - metric_B_53 ; |
---|
1184 | assign diff_54 = metric_A_54 - metric_B_54 ; |
---|
1185 | assign diff_55 = metric_A_55 - metric_B_55 ; |
---|
1186 | assign diff_56 = metric_A_56 - metric_B_56 ; |
---|
1187 | assign diff_57 = metric_A_57 - metric_B_57 ; |
---|
1188 | assign diff_58 = metric_A_58 - metric_B_58 ; |
---|
1189 | assign diff_59 = metric_A_59 - metric_B_59 ; |
---|
1190 | assign diff_60 = metric_A_60 - metric_B_60 ; |
---|
1191 | assign diff_61 = metric_A_61 - metric_B_61 ; |
---|
1192 | assign diff_62 = metric_A_62 - metric_B_62 ; |
---|
1193 | assign diff_63 = metric_A_63 - metric_B_63 ; |
---|
1194 | |
---|
1195 | assign metric_next_0 = diff_0 [M -1] ? metric_B_0 : metric_A_0 ; |
---|
1196 | assign metric_next_1 = diff_1 [M -1] ? metric_B_1 : metric_A_1 ; |
---|
1197 | assign metric_next_2 = diff_2 [M -1] ? metric_B_2 : metric_A_2 ; |
---|
1198 | assign metric_next_3 = diff_3 [M -1] ? metric_B_3 : metric_A_3 ; |
---|
1199 | assign metric_next_4 = diff_4 [M -1] ? metric_B_4 : metric_A_4 ; |
---|
1200 | assign metric_next_5 = diff_5 [M -1] ? metric_B_5 : metric_A_5 ; |
---|
1201 | assign metric_next_6 = diff_6 [M -1] ? metric_B_6 : metric_A_6 ; |
---|
1202 | assign metric_next_7 = diff_7 [M -1] ? metric_B_7 : metric_A_7 ; |
---|
1203 | assign metric_next_8 = diff_8 [M -1] ? metric_B_8 : metric_A_8 ; |
---|
1204 | assign metric_next_9 = diff_9 [M -1] ? metric_B_9 : metric_A_9 ; |
---|
1205 | assign metric_next_10 = diff_10 [M -1] ? metric_B_10 : metric_A_10 ; |
---|
1206 | assign metric_next_11 = diff_11 [M -1] ? metric_B_11 : metric_A_11 ; |
---|
1207 | assign metric_next_12 = diff_12 [M -1] ? metric_B_12 : metric_A_12 ; |
---|
1208 | assign metric_next_13 = diff_13 [M -1] ? metric_B_13 : metric_A_13 ; |
---|
1209 | assign metric_next_14 = diff_14 [M -1] ? metric_B_14 : metric_A_14 ; |
---|
1210 | assign metric_next_15 = diff_15 [M -1] ? metric_B_15 : metric_A_15 ; |
---|
1211 | assign metric_next_16 = diff_16 [M -1] ? metric_B_16 : metric_A_16 ; |
---|
1212 | assign metric_next_17 = diff_17 [M -1] ? metric_B_17 : metric_A_17 ; |
---|
1213 | assign metric_next_18 = diff_18 [M -1] ? metric_B_18 : metric_A_18 ; |
---|
1214 | assign metric_next_19 = diff_19 [M -1] ? metric_B_19 : metric_A_19 ; |
---|
1215 | assign metric_next_20 = diff_20 [M -1] ? metric_B_20 : metric_A_20 ; |
---|
1216 | assign metric_next_21 = diff_21 [M -1] ? metric_B_21 : metric_A_21 ; |
---|
1217 | assign metric_next_22 = diff_22 [M -1] ? metric_B_22 : metric_A_22 ; |
---|
1218 | assign metric_next_23 = diff_23 [M -1] ? metric_B_23 : metric_A_23 ; |
---|
1219 | assign metric_next_24 = diff_24 [M -1] ? metric_B_24 : metric_A_24 ; |
---|
1220 | assign metric_next_25 = diff_25 [M -1] ? metric_B_25 : metric_A_25 ; |
---|
1221 | assign metric_next_26 = diff_26 [M -1] ? metric_B_26 : metric_A_26 ; |
---|
1222 | assign metric_next_27 = diff_27 [M -1] ? metric_B_27 : metric_A_27 ; |
---|
1223 | assign metric_next_28 = diff_28 [M -1] ? metric_B_28 : metric_A_28 ; |
---|
1224 | assign metric_next_29 = diff_29 [M -1] ? metric_B_29 : metric_A_29 ; |
---|
1225 | assign metric_next_30 = diff_30 [M -1] ? metric_B_30 : metric_A_30 ; |
---|
1226 | assign metric_next_31 = diff_31 [M -1] ? metric_B_31 : metric_A_31 ; |
---|
1227 | assign metric_next_32 = diff_32 [M -1] ? metric_B_32 : metric_A_32 ; |
---|
1228 | assign metric_next_33 = diff_33 [M -1] ? metric_B_33 : metric_A_33 ; |
---|
1229 | assign metric_next_34 = diff_34 [M -1] ? metric_B_34 : metric_A_34 ; |
---|
1230 | assign metric_next_35 = diff_35 [M -1] ? metric_B_35 : metric_A_35 ; |
---|
1231 | assign metric_next_36 = diff_36 [M -1] ? metric_B_36 : metric_A_36 ; |
---|
1232 | assign metric_next_37 = diff_37 [M -1] ? metric_B_37 : metric_A_37 ; |
---|
1233 | assign metric_next_38 = diff_38 [M -1] ? metric_B_38 : metric_A_38 ; |
---|
1234 | assign metric_next_39 = diff_39 [M -1] ? metric_B_39 : metric_A_39 ; |
---|
1235 | assign metric_next_40 = diff_40 [M -1] ? metric_B_40 : metric_A_40 ; |
---|
1236 | assign metric_next_41 = diff_41 [M -1] ? metric_B_41 : metric_A_41 ; |
---|
1237 | assign metric_next_42 = diff_42 [M -1] ? metric_B_42 : metric_A_42 ; |
---|
1238 | assign metric_next_43 = diff_43 [M -1] ? metric_B_43 : metric_A_43 ; |
---|
1239 | assign metric_next_44 = diff_44 [M -1] ? metric_B_44 : metric_A_44 ; |
---|
1240 | assign metric_next_45 = diff_45 [M -1] ? metric_B_45 : metric_A_45 ; |
---|
1241 | assign metric_next_46 = diff_46 [M -1] ? metric_B_46 : metric_A_46 ; |
---|
1242 | assign metric_next_47 = diff_47 [M -1] ? metric_B_47 : metric_A_47 ; |
---|
1243 | assign metric_next_48 = diff_48 [M -1] ? metric_B_48 : metric_A_48 ; |
---|
1244 | assign metric_next_49 = diff_49 [M -1] ? metric_B_49 : metric_A_49 ; |
---|
1245 | assign metric_next_50 = diff_50 [M -1] ? metric_B_50 : metric_A_50 ; |
---|
1246 | assign metric_next_51 = diff_51 [M -1] ? metric_B_51 : metric_A_51 ; |
---|
1247 | assign metric_next_52 = diff_52 [M -1] ? metric_B_52 : metric_A_52 ; |
---|
1248 | assign metric_next_53 = diff_53 [M -1] ? metric_B_53 : metric_A_53 ; |
---|
1249 | assign metric_next_54 = diff_54 [M -1] ? metric_B_54 : metric_A_54 ; |
---|
1250 | assign metric_next_55 = diff_55 [M -1] ? metric_B_55 : metric_A_55 ; |
---|
1251 | assign metric_next_56 = diff_56 [M -1] ? metric_B_56 : metric_A_56 ; |
---|
1252 | assign metric_next_57 = diff_57 [M -1] ? metric_B_57 : metric_A_57 ; |
---|
1253 | assign metric_next_58 = diff_58 [M -1] ? metric_B_58 : metric_A_58 ; |
---|
1254 | assign metric_next_59 = diff_59 [M -1] ? metric_B_59 : metric_A_59 ; |
---|
1255 | assign metric_next_60 = diff_60 [M -1] ? metric_B_60 : metric_A_60 ; |
---|
1256 | assign metric_next_61 = diff_61 [M -1] ? metric_B_61 : metric_A_61 ; |
---|
1257 | assign metric_next_62 = diff_62 [M -1] ? metric_B_62 : metric_A_62 ; |
---|
1258 | assign metric_next_63 = diff_63 [M -1] ? metric_B_63 : metric_A_63 ; |
---|
1259 | |
---|
1260 | always @ (posedge clk) |
---|
1261 | if (~nrst) |
---|
1262 | begin |
---|
1263 | metric_0 <= 10 ; |
---|
1264 | metric_1 <= 0 ; |
---|
1265 | metric_2 <= 0 ; |
---|
1266 | metric_3 <= 0 ; |
---|
1267 | metric_4 <= 0 ; |
---|
1268 | metric_5 <= 0 ; |
---|
1269 | metric_6 <= 0 ; |
---|
1270 | metric_7 <= 0 ; |
---|
1271 | metric_8 <= 0 ; |
---|
1272 | metric_9 <= 0 ; |
---|
1273 | metric_10 <= 0 ; |
---|
1274 | metric_11 <= 0 ; |
---|
1275 | metric_12 <= 0 ; |
---|
1276 | metric_13 <= 0 ; |
---|
1277 | metric_14 <= 0 ; |
---|
1278 | metric_15 <= 0 ; |
---|
1279 | metric_16 <= 0 ; |
---|
1280 | metric_17 <= 0 ; |
---|
1281 | metric_18 <= 0 ; |
---|
1282 | metric_19 <= 0 ; |
---|
1283 | metric_20 <= 0 ; |
---|
1284 | metric_21 <= 0 ; |
---|
1285 | metric_22 <= 0 ; |
---|
1286 | metric_23 <= 0 ; |
---|
1287 | metric_24 <= 0 ; |
---|
1288 | metric_25 <= 0 ; |
---|
1289 | metric_26 <= 0 ; |
---|
1290 | metric_27 <= 0 ; |
---|
1291 | metric_28 <= 0 ; |
---|
1292 | metric_29 <= 0 ; |
---|
1293 | metric_30 <= 0 ; |
---|
1294 | metric_31 <= 0 ; |
---|
1295 | metric_32 <= 0 ; |
---|
1296 | metric_33 <= 0 ; |
---|
1297 | metric_34 <= 0 ; |
---|
1298 | metric_35 <= 0 ; |
---|
1299 | metric_36 <= 0 ; |
---|
1300 | metric_37 <= 0 ; |
---|
1301 | metric_38 <= 0 ; |
---|
1302 | metric_39 <= 0 ; |
---|
1303 | metric_40 <= 0 ; |
---|
1304 | metric_41 <= 0 ; |
---|
1305 | metric_42 <= 0 ; |
---|
1306 | metric_43 <= 0 ; |
---|
1307 | metric_44 <= 0 ; |
---|
1308 | metric_45 <= 0 ; |
---|
1309 | metric_46 <= 0 ; |
---|
1310 | metric_47 <= 0 ; |
---|
1311 | metric_48 <= 0 ; |
---|
1312 | metric_49 <= 0 ; |
---|
1313 | metric_50 <= 0 ; |
---|
1314 | metric_51 <= 0 ; |
---|
1315 | metric_52 <= 0 ; |
---|
1316 | metric_53 <= 0 ; |
---|
1317 | metric_54 <= 0 ; |
---|
1318 | metric_55 <= 0 ; |
---|
1319 | metric_56 <= 0 ; |
---|
1320 | metric_57 <= 0 ; |
---|
1321 | metric_58 <= 0 ; |
---|
1322 | metric_59 <= 0 ; |
---|
1323 | metric_60 <= 0 ; |
---|
1324 | metric_61 <= 0 ; |
---|
1325 | metric_62 <= 0 ; |
---|
1326 | metric_63 <= 0 ; |
---|
1327 | end |
---|
1328 | else if (packet_start) |
---|
1329 | begin |
---|
1330 | metric_0 <= 10 ; |
---|
1331 | metric_1 <= 0 ; |
---|
1332 | metric_2 <= 0 ; |
---|
1333 | metric_3 <= 0 ; |
---|
1334 | metric_4 <= 0 ; |
---|
1335 | metric_5 <= 0 ; |
---|
1336 | metric_6 <= 0 ; |
---|
1337 | metric_7 <= 0 ; |
---|
1338 | metric_8 <= 0 ; |
---|
1339 | metric_9 <= 0 ; |
---|
1340 | metric_10 <= 0 ; |
---|
1341 | metric_11 <= 0 ; |
---|
1342 | metric_12 <= 0 ; |
---|
1343 | metric_13 <= 0 ; |
---|
1344 | metric_14 <= 0 ; |
---|
1345 | metric_15 <= 0 ; |
---|
1346 | metric_16 <= 0 ; |
---|
1347 | metric_17 <= 0 ; |
---|
1348 | metric_18 <= 0 ; |
---|
1349 | metric_19 <= 0 ; |
---|
1350 | metric_20 <= 0 ; |
---|
1351 | metric_21 <= 0 ; |
---|
1352 | metric_22 <= 0 ; |
---|
1353 | metric_23 <= 0 ; |
---|
1354 | metric_24 <= 0 ; |
---|
1355 | metric_25 <= 0 ; |
---|
1356 | metric_26 <= 0 ; |
---|
1357 | metric_27 <= 0 ; |
---|
1358 | metric_28 <= 0 ; |
---|
1359 | metric_29 <= 0 ; |
---|
1360 | metric_30 <= 0 ; |
---|
1361 | metric_31 <= 0 ; |
---|
1362 | metric_32 <= 0 ; |
---|
1363 | metric_33 <= 0 ; |
---|
1364 | metric_34 <= 0 ; |
---|
1365 | metric_35 <= 0 ; |
---|
1366 | metric_36 <= 0 ; |
---|
1367 | metric_37 <= 0 ; |
---|
1368 | metric_38 <= 0 ; |
---|
1369 | metric_39 <= 0 ; |
---|
1370 | metric_40 <= 0 ; |
---|
1371 | metric_41 <= 0 ; |
---|
1372 | metric_42 <= 0 ; |
---|
1373 | metric_43 <= 0 ; |
---|
1374 | metric_44 <= 0 ; |
---|
1375 | metric_45 <= 0 ; |
---|
1376 | metric_46 <= 0 ; |
---|
1377 | metric_47 <= 0 ; |
---|
1378 | metric_48 <= 0 ; |
---|
1379 | metric_49 <= 0 ; |
---|
1380 | metric_50 <= 0 ; |
---|
1381 | metric_51 <= 0 ; |
---|
1382 | metric_52 <= 0 ; |
---|
1383 | metric_53 <= 0 ; |
---|
1384 | metric_54 <= 0 ; |
---|
1385 | metric_55 <= 0 ; |
---|
1386 | metric_56 <= 0 ; |
---|
1387 | metric_57 <= 0 ; |
---|
1388 | metric_58 <= 0 ; |
---|
1389 | metric_59 <= 0 ; |
---|
1390 | metric_60 <= 0 ; |
---|
1391 | metric_61 <= 0 ; |
---|
1392 | metric_62 <= 0 ; |
---|
1393 | metric_63 <= 0 ; |
---|
1394 | end |
---|
1395 | else if (dv_in_gate) |
---|
1396 | begin |
---|
1397 | // update metric |
---|
1398 | metric_0 <= metric_next_0 ; |
---|
1399 | metric_1 <= metric_next_1 ; |
---|
1400 | metric_2 <= metric_next_2 ; |
---|
1401 | metric_3 <= metric_next_3 ; |
---|
1402 | metric_4 <= metric_next_4 ; |
---|
1403 | metric_5 <= metric_next_5 ; |
---|
1404 | metric_6 <= metric_next_6 ; |
---|
1405 | metric_7 <= metric_next_7 ; |
---|
1406 | metric_8 <= metric_next_8 ; |
---|
1407 | metric_9 <= metric_next_9 ; |
---|
1408 | metric_10 <= metric_next_10; |
---|
1409 | metric_11 <= metric_next_11; |
---|
1410 | metric_12 <= metric_next_12; |
---|
1411 | metric_13 <= metric_next_13; |
---|
1412 | metric_14 <= metric_next_14; |
---|
1413 | metric_15 <= metric_next_15; |
---|
1414 | metric_16 <= metric_next_16 ; |
---|
1415 | metric_17 <= metric_next_17; |
---|
1416 | metric_18 <= metric_next_18; |
---|
1417 | metric_19 <= metric_next_19; |
---|
1418 | metric_20 <= metric_next_20; |
---|
1419 | metric_21 <= metric_next_21; |
---|
1420 | metric_22 <= metric_next_22; |
---|
1421 | metric_23 <= metric_next_23; |
---|
1422 | metric_24 <= metric_next_24; |
---|
1423 | metric_25 <= metric_next_25; |
---|
1424 | metric_26 <= metric_next_26; |
---|
1425 | metric_27 <= metric_next_27; |
---|
1426 | metric_28 <= metric_next_28; |
---|
1427 | metric_29 <= metric_next_29; |
---|
1428 | metric_30 <= metric_next_30; |
---|
1429 | metric_31 <= metric_next_31; |
---|
1430 | metric_32 <= metric_next_32 ; |
---|
1431 | metric_33 <= metric_next_33; |
---|
1432 | metric_34 <= metric_next_34; |
---|
1433 | metric_35 <= metric_next_35; |
---|
1434 | metric_36 <= metric_next_36; |
---|
1435 | metric_37 <= metric_next_37; |
---|
1436 | metric_38 <= metric_next_38; |
---|
1437 | metric_39 <= metric_next_39; |
---|
1438 | metric_40 <= metric_next_40; |
---|
1439 | metric_41 <= metric_next_41; |
---|
1440 | metric_42 <= metric_next_42; |
---|
1441 | metric_43 <= metric_next_43; |
---|
1442 | metric_44 <= metric_next_44; |
---|
1443 | metric_45 <= metric_next_45; |
---|
1444 | metric_46 <= metric_next_46; |
---|
1445 | metric_47 <= metric_next_47; |
---|
1446 | metric_48 <= metric_next_48 ; |
---|
1447 | metric_49 <= metric_next_49; |
---|
1448 | metric_50 <= metric_next_50; |
---|
1449 | metric_51 <= metric_next_51; |
---|
1450 | metric_52 <= metric_next_52; |
---|
1451 | metric_53 <= metric_next_53; |
---|
1452 | metric_54 <= metric_next_54; |
---|
1453 | metric_55 <= metric_next_55; |
---|
1454 | metric_56 <= metric_next_56; |
---|
1455 | metric_57 <= metric_next_57; |
---|
1456 | metric_58 <= metric_next_58; |
---|
1457 | metric_59 <= metric_next_59; |
---|
1458 | metric_60 <= metric_next_60; |
---|
1459 | metric_61 <= metric_next_61; |
---|
1460 | metric_62 <= metric_next_62; |
---|
1461 | metric_63 <= metric_next_63; |
---|
1462 | end |
---|
1463 | |
---|
1464 | always @ (posedge clk) |
---|
1465 | if (~nrst) |
---|
1466 | wptr <= 0 ; |
---|
1467 | else if (packet_start) |
---|
1468 | wptr <= 0 ; |
---|
1469 | else if (dv_in_gate) |
---|
1470 | wptr <= wptr + 1 ; |
---|
1471 | |
---|
1472 | always @ (posedge clk) |
---|
1473 | if (~nrst) |
---|
1474 | last_wptr <= 1'b0 ; |
---|
1475 | else if (dv_in_gate) |
---|
1476 | last_wptr <= wptr ; |
---|
1477 | |
---|
1478 | always @ (posedge clk) |
---|
1479 | if(dv_in_gate) |
---|
1480 | begin |
---|
1481 | // update transition |
---|
1482 | tran_state_0 [wptr] <= diff_0 [M -1] ; |
---|
1483 | tran_state_1 [wptr] <= diff_1 [M -1] ; |
---|
1484 | tran_state_2 [wptr] <= diff_2 [M -1] ; |
---|
1485 | tran_state_3 [wptr] <= diff_3 [M -1] ; |
---|
1486 | tran_state_4 [wptr] <= diff_4 [M -1] ; |
---|
1487 | tran_state_5 [wptr] <= diff_5 [M -1] ; |
---|
1488 | tran_state_6 [wptr] <= diff_6 [M -1] ; |
---|
1489 | tran_state_7 [wptr] <= diff_7 [M -1] ; |
---|
1490 | tran_state_8 [wptr] <= diff_8 [M -1] ; |
---|
1491 | tran_state_9 [wptr] <= diff_9 [M -1] ; |
---|
1492 | tran_state_10 [wptr] <= diff_10 [M -1] ; |
---|
1493 | tran_state_11 [wptr] <= diff_11 [M -1] ; |
---|
1494 | tran_state_12 [wptr] <= diff_12 [M -1] ; |
---|
1495 | tran_state_13 [wptr] <= diff_13 [M -1] ; |
---|
1496 | tran_state_14 [wptr] <= diff_14 [M -1] ; |
---|
1497 | tran_state_15 [wptr] <= diff_15 [M -1] ; |
---|
1498 | tran_state_16 [wptr] <= diff_16 [M -1] ; |
---|
1499 | tran_state_17 [wptr] <= diff_17 [M -1] ; |
---|
1500 | tran_state_18 [wptr] <= diff_18 [M -1] ; |
---|
1501 | tran_state_19 [wptr] <= diff_19 [M -1] ; |
---|
1502 | tran_state_20 [wptr] <= diff_20 [M -1] ; |
---|
1503 | tran_state_21 [wptr] <= diff_21 [M -1] ; |
---|
1504 | tran_state_22 [wptr] <= diff_22 [M -1] ; |
---|
1505 | tran_state_23 [wptr] <= diff_23 [M -1] ; |
---|
1506 | tran_state_24 [wptr] <= diff_24 [M -1] ; |
---|
1507 | tran_state_25 [wptr] <= diff_25 [M -1] ; |
---|
1508 | tran_state_26 [wptr] <= diff_26 [M -1] ; |
---|
1509 | tran_state_27 [wptr] <= diff_27 [M -1] ; |
---|
1510 | tran_state_28 [wptr] <= diff_28 [M -1] ; |
---|
1511 | tran_state_29 [wptr] <= diff_29 [M -1] ; |
---|
1512 | tran_state_30 [wptr] <= diff_30 [M -1] ; |
---|
1513 | tran_state_31 [wptr] <= diff_31 [M -1] ; |
---|
1514 | tran_state_32 [wptr] <= diff_32 [M -1] ; |
---|
1515 | tran_state_33 [wptr] <= diff_33 [M -1] ; |
---|
1516 | tran_state_34 [wptr] <= diff_34 [M -1] ; |
---|
1517 | tran_state_35 [wptr] <= diff_35 [M -1] ; |
---|
1518 | tran_state_36 [wptr] <= diff_36 [M -1] ; |
---|
1519 | tran_state_37 [wptr] <= diff_37 [M -1] ; |
---|
1520 | tran_state_38 [wptr] <= diff_38 [M -1] ; |
---|
1521 | tran_state_39 [wptr] <= diff_39 [M -1] ; |
---|
1522 | tran_state_40 [wptr] <= diff_40 [M -1] ; |
---|
1523 | tran_state_41 [wptr] <= diff_41 [M -1] ; |
---|
1524 | tran_state_42 [wptr] <= diff_42 [M -1] ; |
---|
1525 | tran_state_43 [wptr] <= diff_43 [M -1] ; |
---|
1526 | tran_state_44 [wptr] <= diff_44 [M -1] ; |
---|
1527 | tran_state_45 [wptr] <= diff_45 [M -1] ; |
---|
1528 | tran_state_46 [wptr] <= diff_46 [M -1] ; |
---|
1529 | tran_state_47 [wptr] <= diff_47 [M -1] ; |
---|
1530 | tran_state_48 [wptr] <= diff_48 [M -1] ; |
---|
1531 | tran_state_49 [wptr] <= diff_49 [M -1] ; |
---|
1532 | tran_state_50 [wptr] <= diff_50 [M -1] ; |
---|
1533 | tran_state_51 [wptr] <= diff_51 [M -1] ; |
---|
1534 | tran_state_52 [wptr] <= diff_52 [M -1] ; |
---|
1535 | tran_state_53 [wptr] <= diff_53 [M -1] ; |
---|
1536 | tran_state_54 [wptr] <= diff_54 [M -1] ; |
---|
1537 | tran_state_55 [wptr] <= diff_55 [M -1] ; |
---|
1538 | tran_state_56 [wptr] <= diff_56 [M -1] ; |
---|
1539 | tran_state_57 [wptr] <= diff_57 [M -1] ; |
---|
1540 | tran_state_58 [wptr] <= diff_58 [M -1] ; |
---|
1541 | tran_state_59 [wptr] <= diff_59 [M -1] ; |
---|
1542 | tran_state_60 [wptr] <= diff_60 [M -1] ; |
---|
1543 | tran_state_61 [wptr] <= diff_61 [M -1] ; |
---|
1544 | tran_state_62 [wptr] <= diff_62 [M -1] ; |
---|
1545 | tran_state_63 [wptr] <= diff_63 [M -1] ; |
---|
1546 | end |
---|
1547 | |
---|
1548 | reg early_trace1_d0, early_trace2_d0; |
---|
1549 | wire early_trace1_pos, early_trace2_pos; |
---|
1550 | |
---|
1551 | always @ (posedge clk) |
---|
1552 | begin |
---|
1553 | early_trace1_d0 <= early_trace1; |
---|
1554 | early_trace2_d0 <= early_trace2; |
---|
1555 | end |
---|
1556 | |
---|
1557 | assign early_trace1_pos = (early_trace1 & ~early_trace1_d0); |
---|
1558 | assign early_trace2_pos = (early_trace2 & ~early_trace2_d0); |
---|
1559 | |
---|
1560 | always @ (posedge clk) |
---|
1561 | if (~nrst) |
---|
1562 | begin |
---|
1563 | early_trace1_en <= 1'b0; |
---|
1564 | early_trace2_en <= 1'b0; |
---|
1565 | trace <= 1'b0 ; |
---|
1566 | cnt <= 0 ; |
---|
1567 | trace_start_wptr <= 0 ; |
---|
1568 | end |
---|
1569 | else if (packet_start) |
---|
1570 | begin |
---|
1571 | early_trace1_en <= 1'b0; |
---|
1572 | early_trace2_en <= 1'b0; |
---|
1573 | trace <= 1'b0 ; |
---|
1574 | cnt <= 0 ; |
---|
1575 | end |
---|
1576 | else if (dv_in_gate) |
---|
1577 | begin |
---|
1578 | if (cnt == L-1) |
---|
1579 | begin |
---|
1580 | early_trace1_en <= 1'b0; |
---|
1581 | early_trace2_en <= 1'b0; |
---|
1582 | trace <= 1'b1 ; |
---|
1583 | trace_start_wptr <= wptr ; |
---|
1584 | cnt <= C ; |
---|
1585 | end |
---|
1586 | else if (early_trace1_pos) |
---|
1587 | begin |
---|
1588 | early_trace1_en <= 1'b1; |
---|
1589 | early_trace2_en <= 1'b0; |
---|
1590 | trace <= 1'b1 ; |
---|
1591 | trace_start_wptr <= wptr ; |
---|
1592 | cnt <= C_EARLY1 ; |
---|
1593 | end |
---|
1594 | else if (early_trace2_pos) |
---|
1595 | begin |
---|
1596 | early_trace1_en <= 1'b0; |
---|
1597 | early_trace2_en <= 1'b1; |
---|
1598 | trace <= 1'b1 ; |
---|
1599 | trace_start_wptr <= wptr ; |
---|
1600 | cnt <= C_EARLY2 ; |
---|
1601 | end |
---|
1602 | else |
---|
1603 | begin |
---|
1604 | early_trace1_en <= 1'b0; |
---|
1605 | early_trace2_en <= 1'b0; |
---|
1606 | trace <= 1'b0 ; |
---|
1607 | cnt <= cnt + 1 ; |
---|
1608 | end |
---|
1609 | end |
---|
1610 | else if (trace2) |
---|
1611 | trace_start_wptr <= last_wptr ; |
---|
1612 | else |
---|
1613 | trace <= 1'b0 ; |
---|
1614 | |
---|
1615 | always @ (posedge clk) |
---|
1616 | if (~nrst) |
---|
1617 | begin |
---|
1618 | flush_en <= 1'b0 ; |
---|
1619 | flush_cnt <= 0 ; |
---|
1620 | end |
---|
1621 | else if (packet_end) |
---|
1622 | begin |
---|
1623 | flush_en <= 1 ; |
---|
1624 | flush_cnt <= 0 ; |
---|
1625 | end |
---|
1626 | else if (flush_en) |
---|
1627 | begin |
---|
1628 | if (flush_cnt == 63) |
---|
1629 | flush_en <= 1'b0 ; |
---|
1630 | else |
---|
1631 | flush_cnt <= flush_cnt + 1 ; |
---|
1632 | end |
---|
1633 | |
---|
1634 | assign flush = flush_cnt == 60 ; |
---|
1635 | |
---|
1636 | always @ (posedge clk) |
---|
1637 | if (~nrst) |
---|
1638 | done_i <= 1'b0 ; |
---|
1639 | else if (packet_start) |
---|
1640 | done_i <= 1'b0 ; |
---|
1641 | //else if (packet_end && cnt == L-1) |
---|
1642 | else if (trace2 & last_cnt_next[LW-1]) |
---|
1643 | done_i <= 1'b1 ; |
---|
1644 | else if (last_trace_d3) |
---|
1645 | done_i <= 1'b1 ; |
---|
1646 | |
---|
1647 | |
---|
1648 | always @ (posedge clk) |
---|
1649 | if (~nrst) |
---|
1650 | last_trace <= 1'b0 ; |
---|
1651 | else if (packet_start) |
---|
1652 | last_trace <= 1'b0 ; |
---|
1653 | else if (flush && trace_done && cnt !=L-1 ) |
---|
1654 | last_trace <= 1'b1 ; |
---|
1655 | |
---|
1656 | always @ (posedge clk) |
---|
1657 | last_trace_s0 <= last_trace ; |
---|
1658 | |
---|
1659 | assign trace2 = ~last_trace_s0 & last_trace ; |
---|
1660 | assign trace_pos_i = trace | trace2 ; |
---|
1661 | |
---|
1662 | always @ (posedge clk) |
---|
1663 | if (~nrst) |
---|
1664 | begin |
---|
1665 | trace2_s1 <= 1'b0 ; |
---|
1666 | trace2_s2 <= 1'b0 ; |
---|
1667 | end |
---|
1668 | else |
---|
1669 | begin |
---|
1670 | trace2_s1 <= trace2 ; |
---|
1671 | trace2_s2 <= trace2_s1 ; |
---|
1672 | end |
---|
1673 | |
---|
1674 | |
---|
1675 | always @ (posedge clk) |
---|
1676 | begin |
---|
1677 | trace_pos_s0 <= trace_pos_i ; |
---|
1678 | trace_pos <= trace_pos_s0 ; |
---|
1679 | end |
---|
1680 | |
---|
1681 | always @ (posedge clk) |
---|
1682 | if(~nrst) |
---|
1683 | last_trace_num <= 0 ; |
---|
1684 | else |
---|
1685 | begin |
---|
1686 | if (packet_start) |
---|
1687 | last_trace_num <= 0 ; |
---|
1688 | else if (trace2) |
---|
1689 | last_trace_num <= L -cnt ; |
---|
1690 | else if (last_trace_d0) |
---|
1691 | last_trace_num <= last_trace_num + R ; |
---|
1692 | end |
---|
1693 | |
---|
1694 | always @ (posedge clk) |
---|
1695 | begin |
---|
1696 | last_trace_d0 <= last_trace & trace_done_pos ; |
---|
1697 | last_trace_d1 <= last_trace_d0 ; |
---|
1698 | last_trace_d2 <= last_trace_d1 ; |
---|
1699 | last_trace_d3 <= last_trace_d2 ; |
---|
1700 | last_trace_d4 <= last_trace_d3 ; |
---|
1701 | last_trace_d5 <= last_trace_d4 ; |
---|
1702 | end |
---|
1703 | |
---|
1704 | assign last_cnt_next = last_cnt - R ; |
---|
1705 | |
---|
1706 | always @ (posedge clk) |
---|
1707 | if(~nrst) |
---|
1708 | begin |
---|
1709 | one_more_out <= 1'b0 ; |
---|
1710 | last_cnt <= 0 ; |
---|
1711 | end |
---|
1712 | else |
---|
1713 | begin |
---|
1714 | if (packet_start) |
---|
1715 | begin |
---|
1716 | one_more_out <= 1'b0 ; |
---|
1717 | last_cnt <= 0 ; |
---|
1718 | end |
---|
1719 | else if (flush) |
---|
1720 | last_cnt <= cnt ; |
---|
1721 | else if (last_trace_d5) |
---|
1722 | begin |
---|
1723 | if (~last_cnt_next[LW-1]) |
---|
1724 | begin |
---|
1725 | last_cnt <= last_cnt_next ; |
---|
1726 | one_more_out <= 1'b1 ; |
---|
1727 | end |
---|
1728 | end |
---|
1729 | else |
---|
1730 | one_more_out <= 1'b0 ; |
---|
1731 | end |
---|
1732 | |
---|
1733 | always @ (posedge clk) |
---|
1734 | if (~nrst) |
---|
1735 | trace_en <= 0 ; |
---|
1736 | else if (packet_start) |
---|
1737 | trace_en <= 0 ; |
---|
1738 | else if (trace_pos) |
---|
1739 | trace_en <= 1'b1 ; |
---|
1740 | else if ((trace_cnt == L-2) & (early_trace1_en == 0) & (early_trace2_en == 0)) |
---|
1741 | trace_en <= 1'b0 ; |
---|
1742 | else if ((trace_cnt == L_EARLY1-2) & (early_trace1_en == 1)) |
---|
1743 | trace_en <= 1'b0 ; |
---|
1744 | else if ((trace_cnt == L_EARLY2-2) & (early_trace2_en == 1)) |
---|
1745 | trace_en <= 1'b0 ; |
---|
1746 | |
---|
1747 | always @ (posedge clk) |
---|
1748 | if (~nrst) |
---|
1749 | trace_cnt <= 0 ; |
---|
1750 | else if (trace_pos) |
---|
1751 | trace_cnt <= 0 ; |
---|
1752 | else if (trace_en) |
---|
1753 | trace_cnt <= trace_cnt + 2; |
---|
1754 | |
---|
1755 | //assign trace_done = (trace_cnt == L); |
---|
1756 | assign trace_done = early_trace1_en ? (trace_cnt == L_EARLY1) : (early_trace2_en ? (trace_cnt == L_EARLY2) : (trace_cnt == L)); |
---|
1757 | |
---|
1758 | always @ (posedge clk) |
---|
1759 | trace_done_s0 <= trace_done ; |
---|
1760 | assign trace_done_pos = ~trace_done_s0 & trace_done ; |
---|
1761 | |
---|
1762 | //============================== |
---|
1763 | // Get max metric |
---|
1764 | //============================== |
---|
1765 | max_metric #(M, K) max_metric_0 ( |
---|
1766 | .clk (clk ), |
---|
1767 | .a (metric_0 ), |
---|
1768 | .b (metric_1 ), |
---|
1769 | .c (metric_2 ), |
---|
1770 | .d (metric_3 ), |
---|
1771 | .sa (6'd0 ), |
---|
1772 | .sb (6'd1 ), |
---|
1773 | .sc (6'd2 ), |
---|
1774 | .sd (6'd3 ), |
---|
1775 | .state (state_0 ), |
---|
1776 | .max (max_0 ) |
---|
1777 | ) ; |
---|
1778 | |
---|
1779 | //============================== |
---|
1780 | // Get max metric |
---|
1781 | //============================== |
---|
1782 | max_metric #(M, K) max_metric_1 ( |
---|
1783 | .clk (clk ), |
---|
1784 | .a (metric_4 ), |
---|
1785 | .b (metric_5 ), |
---|
1786 | .c (metric_6 ), |
---|
1787 | .d (metric_7 ), |
---|
1788 | .sa (6'd4 ), |
---|
1789 | .sb (6'd5 ), |
---|
1790 | .sc (6'd6 ), |
---|
1791 | .sd (6'd7 ), |
---|
1792 | .state (state_1 ), |
---|
1793 | .max (max_1 ) |
---|
1794 | ) ; |
---|
1795 | |
---|
1796 | //============================== |
---|
1797 | // Get max metric |
---|
1798 | //============================== |
---|
1799 | max_metric #(M, K) max_metric_2 ( |
---|
1800 | .clk (clk ), |
---|
1801 | .a (metric_8 ), |
---|
1802 | .b (metric_9 ), |
---|
1803 | .c (metric_10 ), |
---|
1804 | .d (metric_11 ), |
---|
1805 | .sa (6'd8 ), |
---|
1806 | .sb (6'd9 ), |
---|
1807 | .sc (6'd10 ), |
---|
1808 | .sd (6'd11 ), |
---|
1809 | .state (state_2 ), |
---|
1810 | .max (max_2 ) |
---|
1811 | ) ; |
---|
1812 | |
---|
1813 | //============================== |
---|
1814 | // Get max metric |
---|
1815 | //============================== |
---|
1816 | max_metric #(M, K) max_metric_3 ( |
---|
1817 | .clk (clk ), |
---|
1818 | .a (metric_12 ), |
---|
1819 | .b (metric_13 ), |
---|
1820 | .c (metric_14 ), |
---|
1821 | .d (metric_15 ), |
---|
1822 | .sa (6'd12 ), |
---|
1823 | .sb (6'd13 ), |
---|
1824 | .sc (6'd14 ), |
---|
1825 | .sd (6'd15 ), |
---|
1826 | .state (state_3 ), |
---|
1827 | .max (max_3 ) |
---|
1828 | ) ; |
---|
1829 | |
---|
1830 | //============================== |
---|
1831 | // Get max metric |
---|
1832 | //============================== |
---|
1833 | max_metric #(M, K) max_metric_4 ( |
---|
1834 | .clk (clk ), |
---|
1835 | .a (metric_16 ), |
---|
1836 | .b (metric_17 ), |
---|
1837 | .c (metric_18 ), |
---|
1838 | .d (metric_19 ), |
---|
1839 | .sa (6'd16 ), |
---|
1840 | .sb (6'd17 ), |
---|
1841 | .sc (6'd18 ), |
---|
1842 | .sd (6'd19 ), |
---|
1843 | .state (state_4 ), |
---|
1844 | .max (max_4 ) |
---|
1845 | ) ; |
---|
1846 | |
---|
1847 | //============================== |
---|
1848 | // Get max metric |
---|
1849 | //============================== |
---|
1850 | max_metric #(M, K) max_metric_5 ( |
---|
1851 | .clk (clk ), |
---|
1852 | .a (metric_20 ), |
---|
1853 | .b (metric_21 ), |
---|
1854 | .c (metric_22 ), |
---|
1855 | .d (metric_23 ), |
---|
1856 | .sa (6'd20 ), |
---|
1857 | .sb (6'd21 ), |
---|
1858 | .sc (6'd22 ), |
---|
1859 | .sd (6'd23 ), |
---|
1860 | .state (state_5 ), |
---|
1861 | .max (max_5 ) |
---|
1862 | ) ; |
---|
1863 | |
---|
1864 | //============================== |
---|
1865 | // Get max metric |
---|
1866 | //============================== |
---|
1867 | max_metric #(M, K) max_metric_6 ( |
---|
1868 | .clk (clk ), |
---|
1869 | .a (metric_24 ), |
---|
1870 | .b (metric_25 ), |
---|
1871 | .c (metric_26 ), |
---|
1872 | .d (metric_27 ), |
---|
1873 | .sa (6'd24 ), |
---|
1874 | .sb (6'd25 ), |
---|
1875 | .sc (6'd26 ), |
---|
1876 | .sd (6'd27 ), |
---|
1877 | .state (state_6 ), |
---|
1878 | .max (max_6 ) |
---|
1879 | ) ; |
---|
1880 | |
---|
1881 | //============================== |
---|
1882 | // Get max metric |
---|
1883 | //============================== |
---|
1884 | max_metric #(M, K) max_metric_7 ( |
---|
1885 | .clk (clk ), |
---|
1886 | .a (metric_28 ), |
---|
1887 | .b (metric_29 ), |
---|
1888 | .c (metric_30 ), |
---|
1889 | .d (metric_31 ), |
---|
1890 | .sa (6'd28 ), |
---|
1891 | .sb (6'd29 ), |
---|
1892 | .sc (6'd30 ), |
---|
1893 | .sd (6'd31 ), |
---|
1894 | .state (state_7 ), |
---|
1895 | .max (max_7 ) |
---|
1896 | ) ; |
---|
1897 | |
---|
1898 | //============================== |
---|
1899 | // Get max metric |
---|
1900 | //============================== |
---|
1901 | max_metric #(M, K) max_metric_8 ( |
---|
1902 | .clk (clk ), |
---|
1903 | .a (metric_32 ), |
---|
1904 | .b (metric_33 ), |
---|
1905 | .c (metric_34 ), |
---|
1906 | .d (metric_35 ), |
---|
1907 | .sa (6'd32 ), |
---|
1908 | .sb (6'd33 ), |
---|
1909 | .sc (6'd34 ), |
---|
1910 | .sd (6'd35 ), |
---|
1911 | .state (state_8 ), |
---|
1912 | .max (max_8 ) |
---|
1913 | ) ; |
---|
1914 | |
---|
1915 | //============================== |
---|
1916 | // Get max metric |
---|
1917 | //============================== |
---|
1918 | max_metric #(M, K) max_metric_9 ( |
---|
1919 | .clk (clk ), |
---|
1920 | .a (metric_36 ), |
---|
1921 | .b (metric_37 ), |
---|
1922 | .c (metric_38 ), |
---|
1923 | .d (metric_39 ), |
---|
1924 | .sa (6'd36 ), |
---|
1925 | .sb (6'd37 ), |
---|
1926 | .sc (6'd38 ), |
---|
1927 | .sd (6'd39 ), |
---|
1928 | .state (state_9 ), |
---|
1929 | .max (max_9 ) |
---|
1930 | ) ; |
---|
1931 | |
---|
1932 | //============================== |
---|
1933 | // Get max metric |
---|
1934 | //============================== |
---|
1935 | max_metric #(M, K) max_metric_10 ( |
---|
1936 | .clk (clk ), |
---|
1937 | .a (metric_40 ), |
---|
1938 | .b (metric_41 ), |
---|
1939 | .c (metric_42 ), |
---|
1940 | .d (metric_43 ), |
---|
1941 | .sa (6'd40 ), |
---|
1942 | .sb (6'd41 ), |
---|
1943 | .sc (6'd42 ), |
---|
1944 | .sd (6'd43 ), |
---|
1945 | .state (state_10 ), |
---|
1946 | .max (max_10 ) |
---|
1947 | ) ; |
---|
1948 | |
---|
1949 | //============================== |
---|
1950 | // Get max metric |
---|
1951 | //============================== |
---|
1952 | max_metric #(M, K) max_metric_11 ( |
---|
1953 | .clk (clk ), |
---|
1954 | .a (metric_44 ), |
---|
1955 | .b (metric_45 ), |
---|
1956 | .c (metric_46 ), |
---|
1957 | .d (metric_47 ), |
---|
1958 | .sa (6'd44 ), |
---|
1959 | .sb (6'd45 ), |
---|
1960 | .sc (6'd46 ), |
---|
1961 | .sd (6'd47 ), |
---|
1962 | .state (state_11 ), |
---|
1963 | .max (max_11 ) |
---|
1964 | ) ; |
---|
1965 | |
---|
1966 | //============================== |
---|
1967 | // Get max metric |
---|
1968 | //============================== |
---|
1969 | max_metric #(M, K) max_metric_12 ( |
---|
1970 | .clk (clk ), |
---|
1971 | .a (metric_48 ), |
---|
1972 | .b (metric_49 ), |
---|
1973 | .c (metric_50 ), |
---|
1974 | .d (metric_51 ), |
---|
1975 | .sa (6'd48 ), |
---|
1976 | .sb (6'd49 ), |
---|
1977 | .sc (6'd50 ), |
---|
1978 | .sd (6'd51 ), |
---|
1979 | .state (state_12 ), |
---|
1980 | .max (max_12 ) |
---|
1981 | ) ; |
---|
1982 | |
---|
1983 | //============================== |
---|
1984 | // Get max metric |
---|
1985 | //============================== |
---|
1986 | max_metric #(M, K) max_metric_13 ( |
---|
1987 | .clk (clk ), |
---|
1988 | .a (metric_52 ), |
---|
1989 | .b (metric_53 ), |
---|
1990 | .c (metric_54 ), |
---|
1991 | .d (metric_55 ), |
---|
1992 | .sa (6'd52 ), |
---|
1993 | .sb (6'd53 ), |
---|
1994 | .sc (6'd54 ), |
---|
1995 | .sd (6'd55 ), |
---|
1996 | .state (state_13 ), |
---|
1997 | .max (max_13 ) |
---|
1998 | ) ; |
---|
1999 | |
---|
2000 | //============================== |
---|
2001 | // Get max metric |
---|
2002 | //============================== |
---|
2003 | max_metric #(M, K) max_metric_14 ( |
---|
2004 | .clk (clk ), |
---|
2005 | .a (metric_56 ), |
---|
2006 | .b (metric_57 ), |
---|
2007 | .c (metric_58 ), |
---|
2008 | .d (metric_59 ), |
---|
2009 | .sa (6'd56 ), |
---|
2010 | .sb (6'd57 ), |
---|
2011 | .sc (6'd58 ), |
---|
2012 | .sd (6'd59 ), |
---|
2013 | .state (state_14 ), |
---|
2014 | .max (max_14 ) |
---|
2015 | ) ; |
---|
2016 | |
---|
2017 | //============================== |
---|
2018 | // Get max metric |
---|
2019 | //============================== |
---|
2020 | max_metric #(M, K) max_metric_15 ( |
---|
2021 | .clk (clk ), |
---|
2022 | .a (metric_60 ), |
---|
2023 | .b (metric_61 ), |
---|
2024 | .c (metric_62 ), |
---|
2025 | .d (metric_63 ), |
---|
2026 | .sa (6'd60 ), |
---|
2027 | .sb (6'd61 ), |
---|
2028 | .sc (6'd62 ), |
---|
2029 | .sd (6'd63 ), |
---|
2030 | .state (state_15 ), |
---|
2031 | .max (max_15 ) |
---|
2032 | ) ; |
---|
2033 | |
---|
2034 | //============================== |
---|
2035 | // Get max metric |
---|
2036 | //============================== |
---|
2037 | max_metric #(M, K) max_metric_s1_0 ( |
---|
2038 | .clk (clk ), |
---|
2039 | .a (max_0 ), |
---|
2040 | .b (max_1 ), |
---|
2041 | .c (max_2 ), |
---|
2042 | .d (max_3 ), |
---|
2043 | .sa (state_0 ), |
---|
2044 | .sb (state_1 ), |
---|
2045 | .sc (state_2 ), |
---|
2046 | .sd (state_3 ), |
---|
2047 | .state (state_s1_0 ), |
---|
2048 | .max (max_s1_0 ) |
---|
2049 | ) ; |
---|
2050 | |
---|
2051 | //============================== |
---|
2052 | // Get max metric |
---|
2053 | //============================== |
---|
2054 | max_metric #(M, K) max_metric_s1_1 ( |
---|
2055 | .clk (clk ), |
---|
2056 | .a (max_4 ), |
---|
2057 | .b (max_5 ), |
---|
2058 | .c (max_6 ), |
---|
2059 | .d (max_7 ), |
---|
2060 | .sa (state_4 ), |
---|
2061 | .sb (state_5 ), |
---|
2062 | .sc (state_6 ), |
---|
2063 | .sd (state_7 ), |
---|
2064 | .state (state_s1_1 ), |
---|
2065 | .max (max_s1_1 ) |
---|
2066 | ) ; |
---|
2067 | |
---|
2068 | //============================== |
---|
2069 | // Get max metric |
---|
2070 | //============================== |
---|
2071 | max_metric #(M, K) max_metric_s1_2 ( |
---|
2072 | .clk (clk ), |
---|
2073 | .a (max_8 ), |
---|
2074 | .b (max_9 ), |
---|
2075 | .c (max_10 ), |
---|
2076 | .d (max_11 ), |
---|
2077 | .sa (state_8 ), |
---|
2078 | .sb (state_9 ), |
---|
2079 | .sc (state_10 ), |
---|
2080 | .sd (state_11 ), |
---|
2081 | .state (state_s1_2 ), |
---|
2082 | .max (max_s1_2 ) |
---|
2083 | ) ; |
---|
2084 | |
---|
2085 | //============================== |
---|
2086 | // Get max metric |
---|
2087 | //============================== |
---|
2088 | max_metric #(M, K) max_metric_s1_3 ( |
---|
2089 | .clk (clk ), |
---|
2090 | .a (max_12 ), |
---|
2091 | .b (max_13 ), |
---|
2092 | .c (max_14 ), |
---|
2093 | .d (max_15 ), |
---|
2094 | .sa (state_12 ), |
---|
2095 | .sb (state_13 ), |
---|
2096 | .sc (state_14 ), |
---|
2097 | .sd (state_15 ), |
---|
2098 | .state (state_s1_3 ), |
---|
2099 | .max (max_s1_3 ) |
---|
2100 | ) ; |
---|
2101 | |
---|
2102 | //============================== |
---|
2103 | // Get max metric |
---|
2104 | //============================== |
---|
2105 | max_metric_logic #(M, K) max_metric_s2_0 ( |
---|
2106 | .a (max_s1_0 ), |
---|
2107 | .b (max_s1_1 ), |
---|
2108 | .c (max_s1_2 ), |
---|
2109 | .d (max_s1_3 ), |
---|
2110 | .sa (state_s1_0 ), |
---|
2111 | .sb (state_s1_1 ), |
---|
2112 | .sc (state_s1_2 ), |
---|
2113 | .sd (state_s1_3 ), |
---|
2114 | .state (state_s2_0 ), |
---|
2115 | .max ( ) |
---|
2116 | ) ; |
---|
2117 | |
---|
2118 | assign init_state_i = state_s2_0 ; |
---|
2119 | |
---|
2120 | always @ (posedge clk) |
---|
2121 | if(~nrst) |
---|
2122 | trace_state <= 0 ; |
---|
2123 | else |
---|
2124 | begin |
---|
2125 | if (trace_pos) |
---|
2126 | begin |
---|
2127 | if(zero_tail & trace2_s2) |
---|
2128 | trace_state <= 0 ; |
---|
2129 | else |
---|
2130 | trace_state <= init_state_i ; |
---|
2131 | end |
---|
2132 | else if (trace_en) |
---|
2133 | trace_state <= next_state ; |
---|
2134 | end |
---|
2135 | |
---|
2136 | // POM: pipeline reg on trace_start_wptr, breaks 7-level critical path |
---|
2137 | reg [TRW -1:0] trace_start_wptr_d; |
---|
2138 | always @(posedge clk) |
---|
2139 | begin |
---|
2140 | trace_start_wptr_d <= trace_start_wptr; |
---|
2141 | end |
---|
2142 | |
---|
2143 | |
---|
2144 | //assign trace_start_pos = trace_start_wptr ; |
---|
2145 | assign trace_start_pos = trace_start_wptr_d ; |
---|
2146 | |
---|
2147 | assign trace_start_pos0 = trace_start_pos - trace_cnt ; |
---|
2148 | assign trace_start_pos1 = trace_start_pos - trace_cnt -1 ; |
---|
2149 | |
---|
2150 | assign cur_state0 = trace_state ; |
---|
2151 | |
---|
2152 | assign tran_all_0 = { |
---|
2153 | tran_state_63[trace_start_pos0], tran_state_62[trace_start_pos0], tran_state_61[trace_start_pos0], tran_state_60[trace_start_pos0], |
---|
2154 | tran_state_59[trace_start_pos0], tran_state_58[trace_start_pos0], tran_state_57[trace_start_pos0], tran_state_56[trace_start_pos0], |
---|
2155 | tran_state_55[trace_start_pos0], tran_state_54[trace_start_pos0], tran_state_53[trace_start_pos0], tran_state_52[trace_start_pos0], |
---|
2156 | tran_state_51[trace_start_pos0], tran_state_50[trace_start_pos0], tran_state_49[trace_start_pos0], tran_state_48[trace_start_pos0], |
---|
2157 | |
---|
2158 | tran_state_47[trace_start_pos0], tran_state_46[trace_start_pos0], tran_state_45[trace_start_pos0], tran_state_44[trace_start_pos0], |
---|
2159 | tran_state_43[trace_start_pos0], tran_state_42[trace_start_pos0], tran_state_41[trace_start_pos0], tran_state_40[trace_start_pos0], |
---|
2160 | tran_state_39[trace_start_pos0], tran_state_38[trace_start_pos0], tran_state_37[trace_start_pos0], tran_state_36[trace_start_pos0], |
---|
2161 | tran_state_35[trace_start_pos0], tran_state_34[trace_start_pos0], tran_state_33[trace_start_pos0], tran_state_32[trace_start_pos0], |
---|
2162 | |
---|
2163 | tran_state_31[trace_start_pos0], tran_state_30[trace_start_pos0], tran_state_29[trace_start_pos0], tran_state_28[trace_start_pos0], |
---|
2164 | tran_state_27[trace_start_pos0], tran_state_26[trace_start_pos0], tran_state_25[trace_start_pos0], tran_state_24[trace_start_pos0], |
---|
2165 | tran_state_23[trace_start_pos0], tran_state_22[trace_start_pos0], tran_state_21[trace_start_pos0], tran_state_20[trace_start_pos0], |
---|
2166 | tran_state_19[trace_start_pos0], tran_state_18[trace_start_pos0], tran_state_17[trace_start_pos0], tran_state_16[trace_start_pos0], |
---|
2167 | |
---|
2168 | tran_state_15[trace_start_pos0], tran_state_14[trace_start_pos0], tran_state_13[trace_start_pos0], tran_state_12[trace_start_pos0], |
---|
2169 | tran_state_11[trace_start_pos0], tran_state_10[trace_start_pos0], tran_state_9[trace_start_pos0], tran_state_8[trace_start_pos0], |
---|
2170 | tran_state_7[trace_start_pos0], tran_state_6[trace_start_pos0], tran_state_5[trace_start_pos0], tran_state_4[trace_start_pos0], |
---|
2171 | tran_state_3[trace_start_pos0], tran_state_2[trace_start_pos0], tran_state_1[trace_start_pos0], tran_state_0[trace_start_pos0]} ; |
---|
2172 | |
---|
2173 | assign tran_all_1 = { |
---|
2174 | tran_state_63[trace_start_pos1], tran_state_62[trace_start_pos1], tran_state_61[trace_start_pos1], tran_state_60[trace_start_pos1], |
---|
2175 | tran_state_59[trace_start_pos1], tran_state_58[trace_start_pos1], tran_state_57[trace_start_pos1], tran_state_56[trace_start_pos1], |
---|
2176 | tran_state_55[trace_start_pos1], tran_state_54[trace_start_pos1], tran_state_53[trace_start_pos1], tran_state_52[trace_start_pos1], |
---|
2177 | tran_state_51[trace_start_pos1], tran_state_50[trace_start_pos1], tran_state_49[trace_start_pos1], tran_state_48[trace_start_pos1], |
---|
2178 | |
---|
2179 | tran_state_47[trace_start_pos1], tran_state_46[trace_start_pos1], tran_state_45[trace_start_pos1], tran_state_44[trace_start_pos1], |
---|
2180 | tran_state_43[trace_start_pos1], tran_state_42[trace_start_pos1], tran_state_41[trace_start_pos1], tran_state_40[trace_start_pos1], |
---|
2181 | tran_state_39[trace_start_pos1], tran_state_38[trace_start_pos1], tran_state_37[trace_start_pos1], tran_state_36[trace_start_pos1], |
---|
2182 | tran_state_35[trace_start_pos1], tran_state_34[trace_start_pos1], tran_state_33[trace_start_pos1], tran_state_32[trace_start_pos1], |
---|
2183 | |
---|
2184 | tran_state_31[trace_start_pos1], tran_state_30[trace_start_pos1], tran_state_29[trace_start_pos1], tran_state_28[trace_start_pos1], |
---|
2185 | tran_state_27[trace_start_pos1], tran_state_26[trace_start_pos1], tran_state_25[trace_start_pos1], tran_state_24[trace_start_pos1], |
---|
2186 | tran_state_23[trace_start_pos1], tran_state_22[trace_start_pos1], tran_state_21[trace_start_pos1], tran_state_20[trace_start_pos1], |
---|
2187 | tran_state_19[trace_start_pos1], tran_state_18[trace_start_pos1], tran_state_17[trace_start_pos1], tran_state_16[trace_start_pos1], |
---|
2188 | |
---|
2189 | tran_state_15[trace_start_pos1], tran_state_14[trace_start_pos1], tran_state_13[trace_start_pos1], tran_state_12[trace_start_pos1], |
---|
2190 | tran_state_11[trace_start_pos1], tran_state_10[trace_start_pos1], tran_state_9[trace_start_pos1], tran_state_8[trace_start_pos1], |
---|
2191 | tran_state_7[trace_start_pos1], tran_state_6[trace_start_pos1], tran_state_5[trace_start_pos1], tran_state_4[trace_start_pos1], |
---|
2192 | tran_state_3[trace_start_pos1], tran_state_2[trace_start_pos1], tran_state_1[trace_start_pos1], tran_state_0[trace_start_pos1]} ; |
---|
2193 | |
---|
2194 | |
---|
2195 | assign cur_state1 = get_next_trace_state (cur_state0, tran_all_0) ; |
---|
2196 | assign next_state = get_next_trace_state (cur_state1, tran_all_1) ; |
---|
2197 | |
---|
2198 | assign state0_bit = cur_state0 [K -2] ; |
---|
2199 | assign state1_bit = cur_state1 [K -2] ; |
---|
2200 | |
---|
2201 | always @ (posedge clk) |
---|
2202 | if(~nrst) |
---|
2203 | res <= 0 ; |
---|
2204 | else |
---|
2205 | begin |
---|
2206 | if (trace_pos) |
---|
2207 | res <= 0 ; |
---|
2208 | else if (trace_en) |
---|
2209 | begin |
---|
2210 | res <= {state1_bit, state0_bit, res [L-1:2]} ; |
---|
2211 | end |
---|
2212 | end |
---|
2213 | |
---|
2214 | //====================================== |
---|
2215 | // function: get_next_trace_state |
---|
2216 | //====================================== |
---|
2217 | function [K-2:0] get_next_trace_state ; |
---|
2218 | input [K-2:0] cur_state_in ; |
---|
2219 | input [N -1:0] tran_state_in ; |
---|
2220 | reg [N -1:0] tmp ; |
---|
2221 | begin |
---|
2222 | tmp = tran_state_in >> cur_state_in ; |
---|
2223 | get_next_trace_state = {cur_state_in [K-3:0], tmp[0]} ; |
---|
2224 | end |
---|
2225 | endfunction |
---|
2226 | |
---|
2227 | endmodule |
---|
2228 | |
---|
2229 | |
---|
2230 | //************************************************************** |
---|
2231 | // File: max_metric_logic.v |
---|
2232 | // Author: Yang Sun (ysun@rice.edu) |
---|
2233 | // Birth: $ 1/14/07 |
---|
2234 | // Des: The top level of viterbi decoder |
---|
2235 | // Take 5 bit soft value is [-16 : +15] |
---|
2236 | // K = 7. g0 = 133, g1 = 171 |
---|
2237 | // History: $ 1/14/07, Init coding |
---|
2238 | // $ 1/22/07, K = 5, Zero latency |
---|
2239 | // $ 12/1/07: Updated |
---|
2240 | //************************************************************** |
---|
2241 | module max_metric_logic ( |
---|
2242 | a , // I, metric a |
---|
2243 | b , // I, metric b |
---|
2244 | c , // I, metric c |
---|
2245 | d , // I, metric d |
---|
2246 | sa , // I, state a |
---|
2247 | sb , // I, state b |
---|
2248 | sc , // I, state c |
---|
2249 | sd , // I, state d |
---|
2250 | state , // O, state |
---|
2251 | max // O, max metric |
---|
2252 | ) ; |
---|
2253 | |
---|
2254 | parameter M = 7 ; |
---|
2255 | parameter K = 7 ; |
---|
2256 | |
---|
2257 | input [M -1:0] a ; |
---|
2258 | input [M -1:0] b ; |
---|
2259 | input [M -1:0] c ; |
---|
2260 | input [M -1:0] d ; |
---|
2261 | |
---|
2262 | input [K -2:0] sa ; |
---|
2263 | input [K -2:0] sb ; |
---|
2264 | input [K -2:0] sc ; |
---|
2265 | input [K -2:0] sd ; |
---|
2266 | |
---|
2267 | output [K -2:0] state ; |
---|
2268 | output [M -1:0] max ; |
---|
2269 | |
---|
2270 | //================================== |
---|
2271 | //Internal signal |
---|
2272 | //================================== |
---|
2273 | |
---|
2274 | reg [K -2:0] pos0 ; |
---|
2275 | reg [K -2:0] pos1 ; |
---|
2276 | reg [M -1:0] max0 ; |
---|
2277 | reg [M -1:0] max1 ; |
---|
2278 | reg [M -1:0] tmp ; |
---|
2279 | reg [K -2:0] state_i ; |
---|
2280 | reg [M -1:0] max_i ; |
---|
2281 | |
---|
2282 | //================================== |
---|
2283 | // Main body of code |
---|
2284 | //================================== |
---|
2285 | assign state = state_i ; |
---|
2286 | assign max = max_i ; |
---|
2287 | |
---|
2288 | always @* |
---|
2289 | begin |
---|
2290 | tmp = a-b ; |
---|
2291 | if(~tmp[M -1]) |
---|
2292 | begin |
---|
2293 | max0 = a ; |
---|
2294 | pos0 = sa ; |
---|
2295 | end |
---|
2296 | else |
---|
2297 | begin |
---|
2298 | max0 = b ; |
---|
2299 | pos0 = sb ; |
---|
2300 | end |
---|
2301 | |
---|
2302 | tmp = c-d ; |
---|
2303 | if(~tmp[M-1]) |
---|
2304 | begin |
---|
2305 | max1 = c ; |
---|
2306 | pos1 = sc ; |
---|
2307 | end |
---|
2308 | else |
---|
2309 | begin |
---|
2310 | max1 = d ; |
---|
2311 | pos1 = sd ; |
---|
2312 | end |
---|
2313 | |
---|
2314 | tmp = max0 - max1 ; |
---|
2315 | if (~tmp[M-1]) |
---|
2316 | begin |
---|
2317 | max_i = max0 ; |
---|
2318 | state_i = pos0 ; |
---|
2319 | end |
---|
2320 | else |
---|
2321 | begin |
---|
2322 | state_i = pos1 ; |
---|
2323 | max_i = max1 ; |
---|
2324 | end |
---|
2325 | end |
---|
2326 | |
---|
2327 | endmodule |
---|
2328 | |
---|
2329 | //************************************************************** |
---|
2330 | // File: max_metric |
---|
2331 | // Author: Yang Sun (ysun@rice.edu) |
---|
2332 | // Birth: $ 1/14/07 |
---|
2333 | // Des: Find max metric |
---|
2334 | // K = 7. g0 = 133, g1 = 171 |
---|
2335 | // History: $ 1/14/07, Init coding |
---|
2336 | // $ 1/22/07, K = 5 |
---|
2337 | // $ 2/23/07, 1 pipeline |
---|
2338 | // $ 12/1/07: updated |
---|
2339 | //************************************************************** |
---|
2340 | module max_metric ( |
---|
2341 | clk , // I, clock |
---|
2342 | a , // I, metric a |
---|
2343 | b , // I, metric b |
---|
2344 | c , // I, metric c |
---|
2345 | d , // I, metric d |
---|
2346 | sa , // I, state a |
---|
2347 | sb , // I, state b |
---|
2348 | sc , // I, state c |
---|
2349 | sd , // I, state d |
---|
2350 | state , // O, state |
---|
2351 | max // O, max metric |
---|
2352 | ) ; |
---|
2353 | |
---|
2354 | parameter M = 7 ; |
---|
2355 | parameter K = 7 ; |
---|
2356 | |
---|
2357 | input clk ; |
---|
2358 | input [M -1:0] a ; |
---|
2359 | input [M -1:0] b ; |
---|
2360 | input [M -1:0] c ; |
---|
2361 | input [M -1:0] d ; |
---|
2362 | |
---|
2363 | input [K -2:0] sa ; |
---|
2364 | input [K -2:0] sb ; |
---|
2365 | input [K -2:0] sc ; |
---|
2366 | input [K -2:0] sd ; |
---|
2367 | |
---|
2368 | output [K -2:0] state ; |
---|
2369 | output [M -1:0] max ; |
---|
2370 | |
---|
2371 | //===================================== |
---|
2372 | //Internal signal |
---|
2373 | //===================================== |
---|
2374 | reg [K -2:0] pos0 ; |
---|
2375 | reg [K -2:0] pos1 ; |
---|
2376 | reg [M -1:0] max0 ; |
---|
2377 | reg [M -1:0] max1 ; |
---|
2378 | reg [M -1:0] tmp ; |
---|
2379 | reg [K -2:0] state_i ; |
---|
2380 | reg [M -1:0] max_i ; |
---|
2381 | reg [K -2:0] state_reg ; |
---|
2382 | reg [M -1:0] max_reg ; |
---|
2383 | |
---|
2384 | //===================================== |
---|
2385 | // Main RTL code |
---|
2386 | //===================================== |
---|
2387 | assign state = state_reg ; |
---|
2388 | assign max = max_reg ; |
---|
2389 | |
---|
2390 | always @ (posedge clk) |
---|
2391 | begin |
---|
2392 | state_reg <= state_i ; |
---|
2393 | max_reg <= max_i ; |
---|
2394 | end |
---|
2395 | |
---|
2396 | always @* |
---|
2397 | begin |
---|
2398 | tmp = a-b ; |
---|
2399 | if(~tmp[M -1]) |
---|
2400 | begin |
---|
2401 | max0 = a ; |
---|
2402 | pos0 = sa ; |
---|
2403 | end |
---|
2404 | else |
---|
2405 | begin |
---|
2406 | max0 = b ; |
---|
2407 | pos0 = sb ; |
---|
2408 | end |
---|
2409 | |
---|
2410 | tmp = c-d ; |
---|
2411 | if(~tmp[M-1]) |
---|
2412 | begin |
---|
2413 | max1 = c ; |
---|
2414 | pos1 = sc ; |
---|
2415 | end |
---|
2416 | else |
---|
2417 | begin |
---|
2418 | max1 = d ; |
---|
2419 | pos1 = sd ; |
---|
2420 | end |
---|
2421 | |
---|
2422 | tmp = max0 - max1 ; |
---|
2423 | if (~tmp[M-1]) |
---|
2424 | begin |
---|
2425 | max_i = max0 ; |
---|
2426 | state_i = pos0 ; |
---|
2427 | end |
---|
2428 | else |
---|
2429 | begin |
---|
2430 | state_i = pos1 ; |
---|
2431 | max_i = max1 ; |
---|
2432 | end |
---|
2433 | end |
---|
2434 | |
---|
2435 | endmodule |
---|