OpenCores
URL https://opencores.org/ocsvn/pcie_vera_tb/pcie_vera_tb/trunk

Subversion Repositories pcie_vera_tb

[/] [pcie_vera_tb/] [trunk/] [pcie_tlp_packet.vri] - Blame information for rev 8

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 cmagleby 
// ===========================================================================
2 
// File    : pcie_tlp_packet.vri
3 
// Author  : cmagleby
4 
// Date    : Mon Dec 3 11:03:46 MST 2007
5 
// Project : TI PHY design
6 
//
7 
// Copyright (c) notice
8 
// This code adheres to the GNU public license
9 
//
10 
// ===========================================================================
11 
//
12 
// $Id: pcie_tlp_packet.vri,v 1.1.1.1 2007-12-05 18:37:06 cmagleby Exp $
13 
//
14 
// ===========================================================================
15 
//
16 
// $Log: not supported by cvs2svn $
17 
//
18 
// ===========================================================================
19 
// Function : This file is a class of pcie packet can be used for all TLP
20 
// packet types.
21 
//
22 
// ===========================================================================
23 
// ===========================================================================
24 
#include
25 
 
26 
class pcie_tlp_packet {
27 
  bit [15:0] sequence_num;
28 
  bit [4:0]  type;
29 
  bit [1:0]  fmt;
30 
  bit [9:0]  length;
31 
  bit [2:0]  tc;
32 
  bit [1:0]  attr;
33 
  bit        ep;
34 
  bit        td;
35 
  bit [63:0] address; //used for multiple purposes.
36 
  bit [15:0] req_id;
37 
  bit [7:0]  tag;
38 
  bit [3:0]  first_be;
39 
  bit [3:0]  last_be;
40 
  //completion fields
41 
  bit [15:0] completer_id;
42 
  bit [11:0] byte_count;
43 
  bit        bcm;
44 
  bit [2:0]  cmp_status;
45 
  bit [127:0] header;
46 
  bit [31:0] lcrc;
47 
  bit [31:0] data [];
48 
 
49 
  //methods
50 
  task new(
51 
    bit [11:0] ic_sequence_num = 12'b0,
52 
    bit [4:0]  ic_type        = 5'h0,
53 
    bit [1:0]  ic_fmt         = 2'h0,
54 
    bit [9:0]  ic_length      = 10'h0,
55 
    bit [2:0]  ic_tc          = 3'h0,
56 
    bit [1:0]  ic_attr        = 2'h0,
57 
    bit        ic_ep          = 1'h0,
58 
    bit        ic_td          = 1'h0,
59 
    bit [63:0] ic_address     = 64'h0,
60 
    bit [15:0] ic_req_id      = 16'h0,
61 
    bit [7:0]  ic_tag         = 8'h0,
62 
    bit [3:0]  ic_first_be    = 4'hf,
63 
    bit [3:0]  ic_last_be     = 4'hf,
64 
    //completion fields
65 
    bit [15:0] ic_completer_id = 16'h0,
66 
    bit [11:0] ic_byte_count   = 12'h0,
67 
    bit        ic_bcm          = 1'h0,
68 
    bit [2:0]  ic_cmp_status   = 3'h0,
69 
    bit [31:0] ic_config_data     = 32'b0) {
70 
 
71 
    sequence_num    =     {4'b0,ic_sequence_num};
72 
    type            =     ic_type;
73 
    fmt             =     ic_fmt;
74 
    length          =     ic_length;
75 
    tc              =     ic_tc;
76 
    attr            =     ic_attr;
77 
    ep              =     ic_ep;
78 
    td              =     ic_td;
79 
    address         =     ic_address;
80 
    req_id          =     ic_req_id;
81 
    tag             =     ic_tag;
82 
    first_be        =     ic_first_be;
83 
    last_be         =     ic_last_be;
84 
    completer_id    =     ic_completer_id;
85 
    byte_count      =     ic_byte_count;
86 
    bcm             =     ic_bcm;
87 
    cmp_status      =     ic_cmp_status;
88 
    data[0]         =     ic_config_data;
89 
    printf ("new seq(%0h),type(%0h),fmt(%0h),length(%0h),tc(%0h),attr(%0h),ep(%0h),td(%0h),addr(%0h),req_id(%0h),tag(%0h),fbe(%0h),lbe(%0h),cmp_id(%0h),bc(%0h),bcm(%0h),cmp_stat(%0h),cfgwr data(%0h)\n",
90 
            ic_sequence_num,
91 
            ic_type,
92 
            ic_fmt,
93 
            ic_length,
94 
            ic_tc,
95 
            ic_attr,
96 
            ic_ep,
97 
            ic_td,
98 
            ic_address,
99 
            ic_req_id,
100 
            ic_tag,
101 
            ic_first_be,
102 
            ic_last_be,
103 
            ic_completer_id,
104 
            ic_byte_count,
105 
            ic_bcm,
106 
            ic_cmp_status,
107 
            ic_config_data
108 
            );
109 
  }
110 
 
111 
  task build_packet (string pkt_type = "posted") {
112 
    integer reserved = 0;
113 
    integer i;
114 
    bit [5:0] register_num;
115 
    bit [3:0] ext_register_num;
116 
    bit [2:0] function_number;
117 
    bit [4:0] device_number;
118 
    bit [7:0] bus_number;
119 
    bit [6:0]  lower_addr = address[6:0];
120 
 
121 
    bus_number = address[31:24];
122 
    function_number = address[23:19];
123 
    device_number = address[18:16];
124 
    ext_register_num = address[11:8];
125 
    register_num = address[7:2];
126 
 
127 
    if (pkt_type == "posted" || pkt_type == "nonposted") {
128 
      //dw1
129 
      header[4:0]     = type;
130 
      header[6:5]     = fmt;
131 
      header[7]       = reserved;
132 
      header[11:8]    = reserved;
133 
      header[14:12]   = tc;
134 
      header[15]      = reserved;
135 
      header[17:16]   = length[9:8];
136 
      header[19:18]   = reserved;
137 
      header[21:20]   = attr;
138 
      header[22]      = ep;
139 
      header[23]      = td;
140 
      header[31:24]   = length[7:0];
141 
      //dw2
142 
      header[39:32]   = req_id[15:8];
143 
      header[47:40]   = req_id[7:0];
144 
      header[55:48]   = tag;
145 
      header[59:56]   = first_be;
146 
      header[63:60]   = last_be;
147 
      //dw3&4
148 
      //configurations
149 
      if (type == 5'b00100 || type == 5'b00101) {
150 
        header[127:64] = {32'b0,
151 
                          register_num[5:0],2'b0,
152 
                          4'b0,ext_register_num[3:0],
153 
                          device_number[4:0],function_number[2:0],
154 
                          bus_number[7:0]};
155 
      }
156 
      else if (fmt[0] == 1'b1) {
157 
        header[127:64] = {address[7:2],2'b0,address[15:8],
158 
                          address[23:16],address[31:24],
159 
                          address[39:32],address[47:40],
160 
                          address[55:48],address[63:56]};
161 
      }
162 
      else {
163 
        header[127:64] = {32'b0,address[7:2],2'b0,address[15:8],
164 
                          address[23:16],address[31:24]};
165 
      }
166 
    }
167 
    else if (pkt_type == "completion") {
168 
      //dw1
169 
      header[4:0]     = type;
170 
      header[6:5]     = fmt;
171 
      header[7]       = reserved;
172 
      header[11:8]    = reserved;
173 
      header[14:12]   = tc;
174 
      header[15]      = reserved;
175 
      header[17:16]   = length[9:8];
176 
      header[19:18]   = reserved;
177 
      header[21:20]   = attr;
178 
      header[22]      = ep;
179 
      header[23]      = td;
180 
      header[31:24]   = length[7:0];
181 
      //dw 2
182 
      header[39:32]   = completer_id[15:8];
183 
      header[47:40]   = completer_id[7:0];
184 
      header[51:48]   = byte_count[11:8];
185 
      header[52]      = bcm;
186 
      header[55:53]   = cmp_status;
187 
      header[63:56]   = byte_count[7:0];
188 
      //dw3
189 
      header[71:64]   = req_id[15:8];
190 
      header[79:72]   = req_id[7:0];
191 
      header[87:80]   = tag;
192 
      header[95:88]   = {1'b0,lower_addr};
193 
      //dw4
194 
      header[127:96]  = 32'b0;
195 
    }
196 
    if (type[4:1] != 5'b0010 && fmt[1]) {
197 
      for (i=0;i
198 
        data[i] = random();
199 
      }
200 
    }
201 
 
202 
 
203 
    lcrc =  lcrc32d32(sequence_num,header,data);
204 
    printf ("lcrc(%0h)\n",lcrc);
205 
  }
206 
 
207 
  function bit [31:0] lcrc32d32 (bit [15:0] sequence_num, bit[127:0] header, bit [31:0] data[]) {
208 
    bit [31:0] crc;
209 
    bit[31:0] prev_crc;
210 
    bit [31:0] C;
211 
    integer packet_total_length;
212 
    integer hdr_dws;
213 
    integer i;
214 
    bit [31:0] d;
215 
    bit [31:0] digest;
216 
 
217 
    //length + td + header size
218 
    printf("function for lcrc\n");
219 
    if (header[5]) {
220 
      hdr_dws = 4;
221 
      if (header[6]) {
222 
        packet_total_length = {header[17:16],header[31:24]} + header[23] + 4;
223 
      }
224 
      else packet_total_length = 4;
225 
    }
226 
    else {
227 
      hdr_dws = 3;
228 
      if (header[6]) {
229 
        packet_total_length = {header[17:16],header[31:24]} + header[23] + 3;
230 
      }
231 
      else packet_total_length = 3;
232 
    }
233 
 
234 
 
235 
 
236 
    for (i = 0; i<=packet_total_length;i++) {
237 
      if (i==0) {
238 
        C = 32'hffff_ffff;
239 
        d = {sequence_num[7:0],4'b0,sequence_num[11:8]};
240 
      }
241 
      else if (i == 1) {
242 
        d = header[31:0];
243 
        C = crc;
244 
      }
245 
      else if (i==2) {
246 
        d= header[63:32];
247 
        C = crc;
248 
      }
249 
      else if (i==3) {
250 
        d=header[95:64];
251 
        C=crc;
252 
      }
253 
      else if (i==4 & hdr_dws == 4) {
254 
        d = header[127:96];
255 
        C = crc;
256 
      }
257 
      else if (i == packet_total_length && header[23] == 1'b1) {
258 
        d = digest;
259 
        C = crc;
260 
      }
261 
      else {
262 
        d = data[i - hdr_dws - 1];
263 
        C = crc;
264 
      }
265 
      if (i == 0) {
266 
        printf ("16 crc d(%0h),C(%0h),",d,C);
267 
        crc[0] = d[3] ^ d[5] ^ d[6] ^ d[9] ^ d[15] ^ C[16] ^ C[22] ^ C[25] ^ C[26]
268 
          ^ C[28];
269 
        crc[1] = d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9] ^ d[14] ^ d[15] ^ C[16] ^
270 
          C[17] ^ C[22] ^ C[23] ^ C[25] ^ C[27] ^ C[28] ^ C[29];
271 
        crc[2] = d[1] ^ d[2] ^ d[6] ^ d[7] ^ d[8] ^ d[9] ^ d[13] ^ d[14] ^ d[15] ^
272 
          C[16] ^ C[17] ^ C[18] ^ C[22] ^ C[23] ^ C[24] ^ C[25] ^ C[29] ^ C[30];
273 
        crc[3] = d[0] ^ d[1] ^ d[5] ^ d[6] ^ d[7] ^ d[8] ^ d[12] ^ d[13] ^ d[14] ^
274 
          C[17] ^ C[18] ^ C[19] ^ C[23] ^ C[24] ^ C[25] ^ C[26] ^ C[30] ^ C[31];
275 
        crc[4] = d[0] ^ d[3] ^ d[4] ^ d[7] ^ d[9] ^ d[11] ^ d[12] ^ d[13] ^ d[15] ^
276 
          C[16] ^ C[18] ^ C[19] ^ C[20] ^ C[22] ^ C[24] ^ C[27] ^ C[28] ^ C[31];
277 
        crc[5] = d[2] ^ d[5] ^ d[8] ^ d[9] ^ d[10] ^ d[11] ^ d[12] ^ d[14] ^ d[15]
278 
          ^ C[16] ^ C[17] ^ C[19] ^ C[20] ^ C[21] ^ C[22] ^ C[23] ^ C[26] ^
279 
          C[29];
280 
        crc[6] = d[1] ^ d[4] ^ d[7] ^ d[8] ^ d[9] ^ d[10] ^ d[11] ^ d[13] ^ d[14] ^
281 
          C[17] ^ C[18] ^ C[20] ^ C[21] ^ C[22] ^ C[23] ^ C[24] ^ C[27] ^ C[30];
282 
        crc[7] = d[0] ^ d[5] ^ d[7] ^ d[8] ^ d[10] ^ d[12] ^ d[13] ^ d[15] ^ C[16]
283 
          ^ C[18] ^ C[19] ^ C[21] ^ C[23] ^ C[24] ^ C[26] ^ C[31];
284 
        crc[8] = d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[11] ^ d[12] ^ d[14] ^ d[15] ^ C[16]
285 
          ^ C[17] ^ C[ 19] ^ C[20] ^ C[24] ^ C[26] ^ C[27] ^ C[28];
286 
        crc[9] = d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[10] ^ d[11] ^ d[13] ^ d[14] ^ C[17]
287 
          ^ C[18] ^ C[20] ^ C[21] ^ C[25] ^ C[27] ^ C[28] ^ C[29];
288 
        crc[10] = d[1] ^ d[2] ^ d[6] ^ d[10] ^ d[12] ^ d[13] ^ d[15] ^ C[16] ^ C[18]
289 
          ^ C[19] ^ C[21] ^ C[25] ^ C[29] ^ C[30];
290 
        crc[11] = d[0] ^ d[1] ^ d[3] ^ d[6] ^ d[11] ^ d[12] ^ d[14] ^ d[15] ^ C[16]
291 
          ^ C[17] ^ C[19] ^ C[20] ^ C[25] ^ C[28] ^ C[30] ^ C[31];
292 
        crc[12] = d[0] ^ d[2] ^ d[3] ^ d[6] ^ d[9] ^ d[10] ^ d[11] ^ d[13] ^ d[14] ^
293 
          d[15] ^ C[16] ^ C[17] ^ C[18] ^ C[20] ^ C[21] ^ C[22] ^ C[25] ^ C[28]
294 
          ^ C[29] ^ C[31];
295 
        crc[13] = d[1] ^ d[2] ^ d[5] ^ d[8] ^ d[9] ^ d[10] ^ d[12] ^ d[13] ^ d[14] ^
296 
          C[17] ^ C[18] ^ C[19] ^ C[21] ^ C[22] ^ C[23] ^ C[26] ^ C[29] ^ C[30];
297 
        crc[14] = d[0] ^ d[1] ^ d[4] ^ d[7] ^ d[8] ^ d[9] ^ d[11] ^ d[12] ^ d[13] ^
298 
          C[18] ^ C[19] ^ C[20] ^ C[22] ^ C[23] ^ C[24] ^ C[27] ^ C[30] ^ C[31];
299 
        crc[15] = d[0] ^ d[3] ^ d[6] ^ d[7] ^ d[8] ^ d[10] ^ d[11] ^ d[12] ^ C[19] ^
300 
          C[20] ^ C[21] ^ C[23] ^ C[24] ^ C[25] ^ C[28] ^ C[31];
301 
        crc[16] = d[2] ^ d[3] ^ d[7] ^ d[10] ^ d[11] ^ d[15] ^ C[0] ^ C[16] ^ C[20]
302 
          ^ C[21] ^ C[24] ^ C[28] ^ C[29];
303 
        crc[17] = d[1] ^ d[2] ^ d[6] ^ d[9] ^ d[10] ^ d[14] ^ C[1] ^ C[17] ^ C[21] ^
304 
          C[22] ^ C[25] ^ C[29] ^ C[30];
305 
        crc[18] = d[0] ^ d[1] ^ d[5] ^ d[8] ^ d[9] ^ d[13] ^ C[2] ^ C[18] ^ C[22] ^
306 
          C[23] ^ C[26] ^ C[30] ^ C[31];
307 
        crc[19] = d[0] ^ d[4] ^ d[7] ^ d[8] ^ d[12] ^ C[3] ^ C[19] ^ C[23] ^ C[24] ^
308 
          C[27] ^ C[31];
309 
        crc[20] = d[3] ^ d[6] ^ d[7] ^ d[11] ^ C[4] ^ C[20] ^ C[24] ^ C[25] ^ C[28];
310 
        crc[21] = d[2] ^ d[5] ^ d[6] ^ d[10] ^ C[5] ^ C[21] ^ C[25] ^ C[26] ^ C[29];
311 
        crc[22] = d[1] ^ d[3] ^ d[4] ^ d[6] ^ d[15] ^ C[6] ^ C[16] ^ C[25] ^ C[27] ^
312 
          C[28] ^ C[30];
313 
        crc[23] = d[0] ^ d[2] ^ d[6] ^ d[9] ^ d[14] ^ d[15] ^ C[7] ^ C[16] ^ C[17] ^
314 
          C[22] ^ C[25] ^ C[29] ^ C[31];
315 
        crc[24] = d[1] ^ d[5] ^ d[8] ^ d[13] ^ d[14] ^ C[8] ^ C[17] ^ C[18] ^ C[23]
316 
          ^ C[26] ^ C[30];
317 
        crc[25] = d[0] ^ d[4] ^ d[7] ^ d[12] ^ d[13] ^ C[9] ^ C[18] ^ C[19] ^ C[24]
318 
          ^ C[27] ^ C[31];
319 
        crc[26] = d[5] ^ d[9] ^ d[11] ^ d[12] ^ d[15] ^ C[10] ^ C[16] ^ C[19] ^ C[20]
320 
          ^ C[22] ^ C[26];
321 
        crc[27] = d[4] ^ d[8] ^ d[10] ^ d[11] ^ d[14] ^ C[11] ^ C[17] ^ C[20] ^ C[21]
322 
          ^ C[23] ^ C[27];
323 
        crc[28] = d[3] ^ d[7] ^ d[9] ^ d[10] ^ d[13] ^ C[12] ^ C[18] ^ C[21] ^ C[22]
324 
          ^ C[24] ^ C[28];
325 
        crc[29] = d[2] ^ d[6] ^ d[8] ^ d[9] ^ d[12] ^ C[13] ^ C[19] ^ C[22] ^ C[23]
326 
          ^ C[25] ^ C[29];
327 
        crc[30] = d[1] ^ d[5] ^ d[7] ^ d[8] ^ d[11] ^ C[14] ^ C[20] ^ C[23] ^ C[24]
328 
          ^ C[26] ^ C[30];
329 
        crc[31] = d[0] ^ d[4] ^ d[6] ^ d[7] ^ d[10] ^ C[15] ^ C[21] ^ C[24] ^ C[25]
330 
          ^ C[27] ^ C[31];
331 
      }
332 
      else {
333 
        printf ("32 crc d(%0h),C(%0h),",d,C);
334 
        prev_crc = crc;
335 
        crc[0] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[6] ^ d[7] ^ d[15] ^ d[19] ^ d[21]
336 
          ^ d[22] ^ d[25] ^ d[31] ^ prev_crc[0] ^ prev_crc[6] ^ prev_crc[9] ^ prev_crc[10] ^ prev_crc[12] ^ prev_crc[16]
337 
          ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[26] ^ prev_crc[28] ^ prev_crc[29] ^ prev_crc[30] ^ prev_crc[31];
338 
        crc[1] = d[3] ^ d[4] ^ d[7] ^ d[14] ^ d[15] ^ d[18] ^ d[19] ^ d[20] ^ d[22]
339 
          ^ d[24] ^ d[25] ^ d[30] ^ d[31] ^ prev_crc[0] ^ prev_crc[1] ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[9]
340 
          ^ prev_crc[11] ^ prev_crc[12] ^ prev_crc[13] ^ prev_crc[16] ^ prev_crc[17] ^ prev_crc[24] ^ prev_crc[27] ^ prev_crc[28];
341 
        crc[2] = d[0] ^ d[1] ^ d[5] ^ d[7] ^ d[13] ^ d[14] ^ d[15] ^ d[17] ^ d[18]
342 
          ^ d[22] ^ d[23] ^ d[24] ^ d[25] ^ d[29] ^ d[30] ^ d[31] ^ prev_crc[0] ^ prev_crc[1]
343 
          ^ prev_crc[2] ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[9] ^ prev_crc[13] ^ prev_crc[14] ^ prev_crc[16] ^ prev_crc[17]
344 
          ^ prev_crc[18] ^ prev_crc[24] ^ prev_crc[26] ^ prev_crc[30] ^ prev_crc[31];
345 
        crc[3] = d[0] ^ d[4] ^ d[6] ^ d[12] ^ d[13] ^ d[14] ^ d[16] ^ d[17] ^ d[21]
346 
          ^ d[22] ^ d[23] ^ d[24] ^ d[28] ^ d[29] ^ d[30] ^ prev_crc[1] ^ prev_crc[2] ^ prev_crc[3]
347 
          ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[9] ^ prev_crc[10] ^ prev_crc[14] ^ prev_crc[15] ^ prev_crc[17] ^ prev_crc[18] ^ prev_crc[19]
348 
          ^ prev_crc[25] ^ prev_crc[27] ^ prev_crc[31];
349 
        crc[4] = d[0] ^ d[1] ^ d[2] ^ d[6] ^ d[7] ^ d[11] ^ d[12] ^ d[13] ^ d[16] ^
350 
          d[19] ^ d[20] ^ d[23] ^ d[25] ^ d[27] ^ d[28] ^ d[29] ^ d[31] ^ prev_crc[0]
351 
          ^ prev_crc[2] ^ prev_crc[3] ^ prev_crc[4] ^ prev_crc[6] ^ prev_crc[8] ^ prev_crc[11] ^ prev_crc[12] ^ prev_crc[15] ^ prev_crc[18]
352 
          ^ prev_crc[19] ^ prev_crc[20] ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[29] ^ prev_crc[30] ^ prev_crc[31];
353 
        crc[5] = d[2] ^ d[3] ^ d[7] ^ d[10] ^ d[11] ^ d[12] ^ d[18] ^ d[21] ^ d[24]
354 
          ^ d[25] ^ d[26] ^ d[27] ^ d[28] ^ d[30] ^ d[31] ^ prev_crc[0] ^ prev_crc[1] ^ prev_crc[3]
355 
          ^ prev_crc[4] ^ prev_crc[5] ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[10] ^ prev_crc[13] ^ prev_crc[19] ^ prev_crc[20] ^ prev_crc[21]
356 
          ^ prev_crc[24] ^ prev_crc[28] ^ prev_crc[29];
357 
        crc[6] = d[1] ^ d[2] ^ d[6] ^ d[9] ^ d[10] ^ d[11] ^ d[17] ^ d[20] ^ d[23]
358 
          ^ d[24] ^ d[25] ^ d[26] ^ d[27] ^ d[29] ^ d[30] ^ prev_crc[1] ^ prev_crc[2] ^ prev_crc[4]
359 
          ^ prev_crc[5] ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[11] ^ prev_crc[14] ^ prev_crc[20] ^ prev_crc[21] ^ prev_crc[22]
360 
          ^ prev_crc[25] ^ prev_crc[29] ^ prev_crc[30];
361 
        crc[7] = d[2] ^ d[3] ^ d[6] ^ d[7] ^ d[8] ^ d[9] ^ d[10] ^ d[15] ^ d[16] ^
362 
          d[21] ^ d[23] ^ d[24] ^ d[26] ^ d[28] ^ d[29] ^ d[31] ^ prev_crc[0] ^ prev_crc[2]
363 
          ^ prev_crc[3] ^ prev_crc[5] ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[10] ^ prev_crc[15] ^ prev_crc[16] ^ prev_crc[21] ^ prev_crc[22]
364 
          ^ prev_crc[23] ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[28] ^ prev_crc[29];
365 
        crc[8] = d[0] ^ d[3] ^ d[8] ^ d[9] ^ d[14] ^ d[19] ^ d[20] ^ d[21] ^ d[23]
366 
          ^ d[27] ^ d[28] ^ d[30] ^ d[31] ^ prev_crc[0] ^ prev_crc[1] ^ prev_crc[3] ^ prev_crc[4] ^ prev_crc[8]
367 
          ^ prev_crc[10] ^ prev_crc[11] ^ prev_crc[12] ^ prev_crc[17] ^ prev_crc[22] ^ prev_crc[23] ^ prev_crc[28] ^ prev_crc[31];
368 
        crc[9] = d[2] ^ d[7] ^ d[8] ^ d[13] ^ d[18] ^ d[19] ^ d[20] ^ d[22] ^ d[26]
369 
          ^ d[27] ^ d[29] ^ d[30] ^ prev_crc[1] ^ prev_crc[2] ^ prev_crc[4] ^ prev_crc[5] ^ prev_crc[9] ^ prev_crc[11]
370 
          ^ prev_crc[12] ^ prev_crc[13] ^ prev_crc[18] ^ prev_crc[23] ^ prev_crc[24] ^ prev_crc[29];
371 
        crc[10] = d[0] ^ d[2] ^ d[3] ^ d[5] ^ d[12] ^ d[15] ^ d[17] ^ d[18] ^ d[22]
372 
          ^ d[26] ^ d[28] ^ d[29] ^ d[31] ^ prev_crc[0] ^ prev_crc[2] ^ prev_crc[3] ^ prev_crc[5] ^ prev_crc[9]
373 
          ^ prev_crc[13] ^ prev_crc[14] ^ prev_crc[16] ^ prev_crc[19] ^ prev_crc[26] ^ prev_crc[28] ^ prev_crc[29] ^ prev_crc[31];
374 
        crc[11] = d[0] ^ d[3] ^ d[4] ^ d[5] ^ d[6] ^ d[7] ^ d[11] ^ d[14] ^ d[15] ^
375 
          d[16] ^ d[17] ^ d[19] ^ d[22] ^ d[27] ^ d[28] ^ d[30] ^ d[31] ^ prev_crc[0]
376 
          ^ prev_crc[1] ^ prev_crc[3] ^ prev_crc[4] ^ prev_crc[9] ^ prev_crc[12] ^ prev_crc[14] ^ prev_crc[15] ^ prev_crc[16] ^ prev_crc[17]
377 
          ^ prev_crc[20] ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[26] ^ prev_crc[27] ^ prev_crc[28] ^ prev_crc[31];
378 
        crc[12] = d[0] ^ d[1] ^ d[4] ^ d[7] ^ d[10] ^ d[13] ^ d[14] ^ d[16] ^ d[18]
379 
          ^ d[19] ^ d[22] ^ d[25] ^ d[26] ^ d[27] ^ d[29] ^ d[30] ^ d[31] ^
380 
          prev_crc[0] ^ prev_crc[1] ^ prev_crc[2] ^ prev_crc[4] ^ prev_crc[5] ^ prev_crc[6] ^ prev_crc[9] ^ prev_crc[12] ^ prev_crc[13] ^ prev_crc[15]
381 
          ^ prev_crc[17] ^ prev_crc[18] ^ prev_crc[21] ^ prev_crc[24] ^ prev_crc[27] ^ prev_crc[30] ^ prev_crc[31];
382 
        crc[13] = d[0] ^ d[3] ^ d[6] ^ d[9] ^ d[12] ^ d[13] ^ d[15] ^ d[17] ^ d[18]
383 
          ^ d[21] ^ d[24] ^ d[25] ^ d[26] ^ d[28] ^ d[29] ^ d[30] ^ prev_crc[1] ^ prev_crc[2]
384 
          ^ prev_crc[3] ^ prev_crc[5] ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[10] ^ prev_crc[13] ^ prev_crc[14] ^ prev_crc[16] ^ prev_crc[18]
385 
          ^ prev_crc[19] ^ prev_crc[22] ^ prev_crc[25] ^ prev_crc[28] ^ prev_crc[31];
386 
        crc[14] = d[2] ^ d[5] ^ d[8] ^ d[11] ^ d[12] ^ d[14] ^ d[16] ^ d[17] ^ d[20]
387 
          ^ d[23] ^ d[24] ^ d[25] ^ d[27] ^ d[28] ^ d[29] ^ prev_crc[2] ^ prev_crc[3] ^ prev_crc[4]
388 
          ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[11] ^ prev_crc[14] ^ prev_crc[15] ^ prev_crc[17] ^ prev_crc[19] ^ prev_crc[20]
389 
          ^ prev_crc[23] ^ prev_crc[26] ^ prev_crc[29];
390 
        crc[15] = d[1] ^ d[4] ^ d[7] ^ d[10] ^ d[11] ^ d[13] ^ d[15] ^ d[16] ^ d[19]
391 
          ^ d[22] ^ d[23] ^ d[24] ^ d[26] ^ d[27] ^ d[28] ^ prev_crc[3] ^ prev_crc[4] ^ prev_crc[5]
392 
          ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[9] ^ prev_crc[12] ^ prev_crc[15] ^ prev_crc[16] ^ prev_crc[18] ^ prev_crc[20] ^ prev_crc[21]
393 
          ^ prev_crc[24] ^ prev_crc[27] ^ prev_crc[30];
394 
        crc[16] = d[1] ^ d[2] ^ d[5] ^ d[7] ^ d[9] ^ d[10] ^ d[12] ^ d[14] ^ d[18] ^
395 
          d[19] ^ d[23] ^ d[26] ^ d[27] ^ d[31] ^ prev_crc[0] ^ prev_crc[4] ^ prev_crc[5] ^ prev_crc[8]
396 
          ^ prev_crc[12] ^ prev_crc[13] ^ prev_crc[17] ^ prev_crc[19] ^ prev_crc[21] ^ prev_crc[22] ^ prev_crc[24] ^ prev_crc[26] ^
397 
          prev_crc[29] ^ prev_crc[30];
398 
        crc[17] = d[0] ^ d[1] ^ d[4] ^ d[6] ^ d[8] ^ d[9] ^ d[11] ^ d[13] ^ d[17] ^
399 
          d[18] ^ d[22] ^ d[25] ^ d[26] ^ d[30] ^ prev_crc[1] ^ prev_crc[5] ^ prev_crc[6] ^ prev_crc[9]
400 
          ^ prev_crc[13] ^ prev_crc[14] ^ prev_crc[18] ^ prev_crc[20] ^ prev_crc[22] ^ prev_crc[23] ^ prev_crc[25] ^ prev_crc[27] ^
401 
          prev_crc[30] ^ prev_crc[31];
402 
        crc[18] = d[0] ^ d[3] ^ d[5] ^ d[7] ^ d[8] ^ d[10] ^ d[12] ^ d[16] ^ d[17] ^
403 
          d[21] ^ d[24] ^ d[25] ^ d[29] ^ prev_crc[2] ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[10] ^ prev_crc[14]
404 
          ^ prev_crc[15] ^ prev_crc[19] ^ prev_crc[21] ^ prev_crc[23] ^ prev_crc[24] ^ prev_crc[26] ^ prev_crc[28] ^ prev_crc[31];
405 
        crc[19] = d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[9] ^ d[11] ^ d[15] ^ d[16] ^ d[20] ^
406 
          d[23] ^ d[24] ^ d[28] ^ prev_crc[3] ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[11] ^ prev_crc[15] ^ prev_crc[16]
407 
          ^ prev_crc[20] ^ prev_crc[22] ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[27] ^ prev_crc[29];
408 
        crc[20] = d[1] ^ d[3] ^ d[5] ^ d[6] ^ d[8] ^ d[10] ^ d[14] ^ d[15] ^ d[19] ^
409 
          d[22] ^ d[23] ^ d[27] ^ prev_crc[4] ^ prev_crc[8] ^ prev_crc[9] ^ prev_crc[12] ^ prev_crc[16] ^ prev_crc[17]
410 
          ^ prev_crc[21] ^ prev_crc[23] ^ prev_crc[25] ^ prev_crc[26] ^ prev_crc[28] ^ prev_crc[30];
411 
        crc[21] = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[13] ^ d[14] ^ d[18] ^
412 
          d[21] ^ d[22] ^ d[26] ^ prev_crc[5] ^ prev_crc[9] ^ prev_crc[10] ^ prev_crc[13] ^ prev_crc[17] ^ prev_crc[18]
413 
          ^ prev_crc[22] ^ prev_crc[24] ^ prev_crc[26] ^ prev_crc[27] ^ prev_crc[29] ^ prev_crc[31];
414 
        crc[22] = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[7] ^ d[8] ^ d[12] ^ d[13] ^ d[15] ^
415 
          d[17] ^ d[19] ^ d[20] ^ d[22] ^ d[31] ^ prev_crc[0] ^ prev_crc[9] ^ prev_crc[11] ^ prev_crc[12]
416 
          ^ prev_crc[14] ^ prev_crc[16] ^ prev_crc[18] ^ prev_crc[19] ^ prev_crc[23] ^ prev_crc[24] ^ prev_crc[26] ^ prev_crc[27] ^
417 
          prev_crc[29] ^ prev_crc[31];
418 
        crc[23] = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[11] ^ d[12] ^ d[14] ^ d[15] ^ d[16]
419 
          ^ d[18] ^ d[22] ^ d[25] ^ d[30] ^ d[31] ^ prev_crc[0] ^ prev_crc[1] ^ prev_crc[6] ^ prev_crc[9]
420 
          ^ prev_crc[13] ^ prev_crc[15] ^ prev_crc[16] ^ prev_crc[17] ^ prev_crc[19] ^ prev_crc[20] ^ prev_crc[26] ^ prev_crc[27] ^
421 
          prev_crc[29] ^ prev_crc[31];
422 
        crc[24] = d[1] ^ d[3] ^ d[4] ^ d[10] ^ d[11] ^ d[13] ^ d[14] ^ d[15] ^ d[17]
423 
          ^ d[21] ^ d[24] ^ d[29] ^ d[30] ^ prev_crc[1] ^ prev_crc[2] ^ prev_crc[7] ^ prev_crc[10] ^ prev_crc[14]
424 
          ^ prev_crc[16] ^ prev_crc[17] ^ prev_crc[18] ^ prev_crc[20] ^ prev_crc[21] ^ prev_crc[27] ^ prev_crc[28] ^ prev_crc[30];
425 
        crc[25] = d[0] ^ d[2] ^ d[3] ^ d[9] ^ d[10] ^ d[12] ^ d[13] ^ d[14] ^ d[16]
426 
          ^ d[20] ^ d[23] ^ d[28] ^ d[29] ^ prev_crc[2] ^ prev_crc[3] ^ prev_crc[8] ^ prev_crc[11] ^ prev_crc[15]
427 
          ^ prev_crc[17] ^ prev_crc[18] ^ prev_crc[19] ^ prev_crc[21] ^ prev_crc[22] ^ prev_crc[28] ^ prev_crc[29] ^ prev_crc[31];
428 
        crc[26] = d[0] ^ d[3] ^ d[5] ^ d[6] ^ d[7] ^ d[8] ^ d[9] ^ d[11] ^ d[12] ^ d[13]
429 
          ^ d[21] ^ d[25] ^ d[27] ^ d[28] ^ d[31] ^ prev_crc[0] ^ prev_crc[3] ^ prev_crc[4] ^ prev_crc[6]
430 
          ^ prev_crc[10] ^ prev_crc[18] ^ prev_crc[19] ^ prev_crc[20] ^ prev_crc[22] ^ prev_crc[23] ^ prev_crc[24] ^ prev_crc[25] ^
431 
          prev_crc[26] ^ prev_crc[28] ^ prev_crc[31];
432 
        crc[27] = d[2] ^ d[4] ^ d[5] ^ d[6] ^ d[7] ^ d[8] ^ d[10] ^ d[11] ^ d[12] ^
433 
          d[20] ^ d[24] ^ d[26] ^ d[27] ^ d[30] ^ prev_crc[1] ^ prev_crc[4] ^ prev_crc[5] ^ prev_crc[7]
434 
          ^ prev_crc[11] ^ prev_crc[19] ^ prev_crc[20] ^ prev_crc[21] ^ prev_crc[23] ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[26] ^
435 
          prev_crc[27] ^ prev_crc[29];
436 
        crc[28] = d[1] ^ d[3] ^ d[4] ^ d[5] ^ d[6] ^ d[7] ^ d[9] ^ d[10] ^ d[11] ^ d[19]
437 
          ^ d[23] ^ d[25] ^ d[26] ^ d[29] ^ prev_crc[2] ^ prev_crc[5] ^ prev_crc[6] ^ prev_crc[8] ^ prev_crc[12]
438 
          ^ prev_crc[20] ^ prev_crc[21] ^ prev_crc[22] ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[26] ^ prev_crc[27] ^ prev_crc[28] ^
439 
          prev_crc[30];
440 
        crc[29] = d[0] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[6] ^ d[8] ^ d[9] ^ d[10] ^ d[18]
441 
          ^ d[22] ^ d[24] ^ d[25] ^ d[28] ^ prev_crc[3] ^ prev_crc[6] ^ prev_crc[7] ^ prev_crc[9] ^ prev_crc[13]
442 
          ^ prev_crc[21] ^ prev_crc[22] ^ prev_crc[23] ^ prev_crc[25] ^ prev_crc[26] ^ prev_crc[27] ^ prev_crc[28] ^ prev_crc[29] ^
443 
          prev_crc[31];
444 
        crc[30] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[8] ^ d[9] ^ d[17] ^ d[21]
445 
          ^ d[23] ^ d[24] ^ d[27] ^ prev_crc[4] ^ prev_crc[7] ^ prev_crc[8] ^ prev_crc[10] ^ prev_crc[14] ^ prev_crc[22]
446 
          ^ prev_crc[23] ^ prev_crc[24] ^ prev_crc[26] ^ prev_crc[27] ^ prev_crc[28] ^ prev_crc[29] ^ prev_crc[30];
447 
        crc[31] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[7] ^ d[8] ^ d[16] ^ d[20]
448 
          ^ d[22] ^ d[23] ^ d[26] ^ prev_crc[5] ^ prev_crc[8] ^ prev_crc[9] ^ prev_crc[11] ^ prev_crc[15] ^ prev_crc[23]
449 
          ^ prev_crc[24] ^ prev_crc[25] ^ prev_crc[27] ^ prev_crc[28] ^ prev_crc[29] ^ prev_crc[30] ^ prev_crc[31];
450 
      }
451 
      printf ("crc(%0h)\n",crc);
452 
      packet_array[i] = d;
453 
      printf ("packet_array[%0d] = %0h\n",i,d);
454 
    }
455 
 
456 
    lcrc32d32 = {~crc[0],~crc[1],~crc[2],~crc[3],~crc[4],~crc[5],~crc[6],~crc[7],
457 
                 ~crc[8],~crc[9],~crc[10],~crc[11],~crc[12],~crc[13],~crc[14],~crc[15],
458 
                 ~crc[16],~crc[17],~crc[18],~crc[19],~crc[20],~crc[21],~crc[22],~crc[23],
459 
                 ~crc[24],~crc[25],~crc[26],~crc[27],~crc[28],~crc[29],~crc[30],~crc[31]};
460 
 
461 
    return;
462 
  }
463 
}
464 
 
465 
 

powered by: WebSVN 2.1.0

© copyright 1999-2025 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.