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1 49 jguarin200
------------------------------------------------
2
--! @file tb.vhd
3
--! @brief RayTrac TestBench
4 52 jguarin200
--! @author Julián Andrés Guarín Reyes
5 49 jguarin200
--------------------------------------------------
6
 
7
 
8
-- RAYTRAC
9
-- Author Julian Andres Guarin
10
-- tb.vhd
11
-- This file is part of raytrac.
12
-- 
13
--     raytrac is free software: you can redistribute it and/or modify
14
--     it under the terms of the GNU General Public License as published by
15
--     the Free Software Foundation, either version 3 of the License, or
16
--     (at your option) any later version.
17
-- 
18
--     raytrac is distributed in the hope that it will be useful,
19
--     but WITHOUT ANY WARRANTY; without even the implied warranty of
20
--     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21
--     GNU General Public License for more details.
22
-- 
23
--     You should have received a copy of the GNU General Public License
24
--     along with raytrac.  If not, see <http://www.gnu.org/licenses/>
25
 
26
library ieee;
27
use ieee.std_logic_1164.all;
28
use ieee.std_logic_unsigned.all;
29
 
30
use std.textio.all;
31
use work.arithpack.all;
32
 
33
 
34
entity tb is
35
 
36
end tb;
37
 
38
 
39
architecture tb_arch of tb is
40
 
41
        signal qa       : std_logic_vector (53 downto 0);
42
        signal qb       : std_logic_vector (53 downto 0);
43
        signal qc       : std_logic_vector (53 downto 0);
44
        signal qd       : std_logic_vector (53 downto 0);
45
        signal clock,rst,ena: std_logic;
46
        signal opcode,addcode:std_logic;
47
        signal dp0,dp1,cpx,cpy,cpz : std_logic_vector(31 downto 0);
48
        signal address: std_logic_vector (8 downto 0);
49 51 jguarin200
        signal opadd : std_logic_vector(1 downto 0);
50 49 jguarin200
 
51
begin
52 51 jguarin200
 
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        --! Generador de clock.
54
        clk_inst: clock_gen
55
        port map (clock,rst); -- Instanciacion simple.
56
 
57
        --! Device Under Test
58
        dude: raytrac
59 50 jguarin200
        generic map ("YES","YES")       -- Test bench y Entrada registrada, pues la ROM no tiene salida registrada.
60 51 jguarin200
        port map(qa,qb,qc,qd,opadd(1),opadd(0),clock,rst,ena,cpx,cpy,cpz,dp0,dp1);
61 49 jguarin200
 
62
        --! Procedimiento para escribir los resultados del testbench
63
        sampleproc: process
64
                variable buff : line;
65 52 jguarin200
                file rombuff : text open write_mode is "TRACE_rom_content.csv";
66 53 jguarin200
                variable stop : integer := 0;
67 49 jguarin200
        begin
68 51 jguarin200
 
69 53 jguarin200
                write(buff,string'("#ROM memories test benching"));
70 49 jguarin200
                writeline(rombuff, buff);
71 53 jguarin200
                write(buff,string'("#{Time} {AddressR} {Opc Adc} {Ax,Ay,Az} {Bx,By,Bz} {Cx,Cy,Cz} {Dx,Dy,Dz}"));
72
                writeline(rombuff, buff);
73
 
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                wait for 5 ns;
75
                wait until rst=not(rstMasterValue);
76
                wait until clock='1';
77
                wait for tclk2+tclk4; --! Garantizar la estabilidad de los datos que se van a observar en la salida.
78
                displayRom:
79
                loop
80 53 jguarin200
                        write (buff,string'("{"));
81 49 jguarin200
                        write (buff,now,unit =>ns);
82 53 jguarin200
                        write (buff,string'("}{"));
83 51 jguarin200
                        hexwrite_0 (buff,address(8 downto 0));
84 53 jguarin200
                        write (buff,string'("}{"));
85 51 jguarin200
                        hexwrite_0 (buff,opadd);
86 53 jguarin200
                        write (buff,string'("} { "));
87 50 jguarin200
                        hexwrite_0 (buff,qa(17 downto 0));
88 52 jguarin200
                        write (buff,string'(","));
89 50 jguarin200
                        hexwrite_0 (buff,qa(35 downto 18));
90 52 jguarin200
                        write (buff,string'(","));
91 50 jguarin200
                        hexwrite_0 (buff,qa(53 downto 36));
92 52 jguarin200
                        write (buff,string'(" } "));
93
                        write (buff,string'(" { "));
94 50 jguarin200
                        hexwrite_0 (buff,qb(17 downto 0));
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                        write (buff,string'(","));
96 50 jguarin200
                        hexwrite_0 (buff,qb(35 downto 18));
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                        write (buff,string'(","));
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                        hexwrite_0 (buff,qb(53 downto 36));
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                        write (buff,string'(" } "));
100
                        write (buff,string'(" { "));
101 50 jguarin200
                        hexwrite_0 (buff,qc(17 downto 0));
102 52 jguarin200
                        write (buff,string'(","));
103 50 jguarin200
                        hexwrite_0 (buff,qc(35 downto 18));
104 52 jguarin200
                        write (buff,string'(","));
105 50 jguarin200
                        hexwrite_0 (buff,qc(53 downto 36));
106 52 jguarin200
                        write (buff,string'(" } "));
107
                        write (buff,string'(" { "));
108 50 jguarin200
                        hexwrite_0 (buff,qd(17 downto 0));
109 52 jguarin200
                        write (buff,string'(","));
110 50 jguarin200
                        hexwrite_0 (buff,qd(35 downto 18));
111 52 jguarin200
                        write (buff,string'(","));
112 50 jguarin200
                        hexwrite_0 (buff,qd(53 downto 36));
113 52 jguarin200
                        write (buff,string'(" } "));
114 49 jguarin200
                        writeline(rombuff,buff);
115
                        wait for tclk;
116 53 jguarin200
 
117
 
118
                        -- STOP FORREST!
119
                        if opadd=X"2" and address=X"00"  then
120
                                if stop=1 then
121
                                        wait;
122
                                else
123
                                        stop:=1;
124
                                end if;
125
                        end if;
126
 
127 49 jguarin200
                end loop displayRom;
128
 
129
        end process sampleproc;
130
 
131
 
132 50 jguarin200
 
133 49 jguarin200
        --! Descripcion del test: 512 x (2/clock) productos punto y 1024 x (1/clock) productos cruz.
134
        thetest:
135
        process (clock,rst)
136 51 jguarin200
                variable buff : line;
137
                file rombuff : text open write_mode is "TRACE_state_content";
138 49 jguarin200
                variable tbs : tbState;
139
        begin
140
 
141
                if rst=rstMasterValue then
142 51 jguarin200
 
143 49 jguarin200
                        opcode  <= '0';
144
                        addcode <= '1';
145
                        tbs := abcd;
146
                        ena <= '1';
147
                        address <= (others => '0');
148
                elsif clock'event and clock = '1' then
149
 
150 51 jguarin200
                        opadd <= opcode & addcode;
151
 
152 49 jguarin200
                        case tbs is
153
                                when abcd  =>
154
                                        if address = X"1FF" then
155 51 jguarin200
                                                write (buff,now,unit => ns);
156
                                                write (buff,string'(" S: abcd => axb"));
157
                                                writeline (rombuff,buff);
158 49 jguarin200
                                                tbs := axb;
159
                                                opcode <= '1';
160
                                                addcode <= not(addcode);
161
                                        end if;
162
                                        address <= address + 1;
163
 
164 51 jguarin200
                                when axb =>
165
                                        write (buff,now,unit => ns);
166
                                        write (buff,string'(" S: axb => cxd"));
167
                                        writeline (rombuff,buff);
168
 
169 49 jguarin200
                                        tbs := cxd;
170
                                        addcode <= not(addcode);
171
                                when cxd =>
172 51 jguarin200
 
173 49 jguarin200
                                        addcode <= not(addcode);
174 51 jguarin200
                                        if address=X"1FF" then
175
                                                write (buff,now,unit => ns);
176
                                                write (buff,string'(" S: cxd => stop"));
177
                                                writeline (rombuff,buff);
178
                                                tbs := stop;
179
                                        else
180
                                                write (buff,now,unit => ns);
181
                                                write (buff,string'(" S: cxd => axb"));
182
                                                writeline (rombuff,buff);
183
 
184
                                                tbs := axb;
185 49 jguarin200
                                        end if;
186 51 jguarin200
                                        address  <= address + 1;
187 49 jguarin200
                                when others =>
188
                                        null;
189
                        end case;
190
 
191
                end if;
192
        end process thetest;
193
 
194
        --! 512x18 rom con los componentes ax.
195
        AX : altsyncram
196
        generic map (
197
                address_aclr_a => "NONE",
198
                clock_enable_input_a => "BYPASS",
199
                clock_enable_output_a => "BYPASS",
200
                init_file => "memax.mif",
201
                intended_device_family => "Cyclone III",
202
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
203
                lpm_type => "altsyncram",
204
                numwords_a => 512,
205
                operation_mode => "ROM",
206
                outdata_aclr_a => "NONE",
207
                outdata_reg_a => "UNREGISTERED",
208
                ram_block_type => "M9K",
209
                widthad_a => 9,
210
                width_a => 18,
211
                width_byteena_a => 1
212
        )
213
        port map (
214
                clock0 => clock,
215
                address_a => address,
216
                q_a => qa (17 downto 0)
217
        );
218
 
219
        --! 512x18 rom con los componentes ay.
220
        AY : altsyncram
221
        generic map (
222
                address_aclr_a => "NONE",
223
                clock_enable_input_a => "BYPASS",
224
                clock_enable_output_a => "BYPASS",
225
                init_file => ".\memay.mif",
226
                intended_device_family => "Cyclone III",
227
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
228
                lpm_type => "altsyncram",
229
                numwords_a => 512,
230
                operation_mode => "ROM",
231
                outdata_aclr_a => "NONE",
232 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
233 49 jguarin200
                ram_block_type => "M9K",
234
                widthad_a => 9,
235
                width_a => 18,
236
                width_byteena_a => 1
237
        )
238
        port map (
239
                clock0 => clock,
240
                address_a => address,
241
                q_a => qa (35 downto 18)
242
        );
243
 
244
        --! 512x18 rom con los componentes az.
245
        AZ : altsyncram
246
        generic map (
247
                address_aclr_a => "NONE",
248
                clock_enable_input_a => "BYPASS",
249
                clock_enable_output_a => "BYPASS",
250
                init_file => ".\memaz.mif",
251
                intended_device_family => "Cyclone III",
252
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
253
                lpm_type => "altsyncram",
254
                numwords_a => 512,
255
                operation_mode => "ROM",
256
                outdata_aclr_a => "NONE",
257 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
258 49 jguarin200
                ram_block_type => "M9K",
259
                widthad_a => 9,
260
                width_a => 18,
261
                width_byteena_a => 1
262
        )
263
        port map (
264
                clock0 => clock,
265
                address_a => address,
266
                q_a => qa (53 downto 36)
267
        );
268
 
269
        --! 512x18 rom con los componentes bx.
270
        BX : altsyncram
271
        generic map (
272
                address_aclr_a => "NONE",
273
                clock_enable_input_a => "BYPASS",
274
                clock_enable_output_a => "BYPASS",
275
                init_file => ".\membx.mif",
276
                intended_device_family => "Cyclone III",
277
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
278
                lpm_type => "altsyncram",
279
                numwords_a => 512,
280
                operation_mode => "ROM",
281
                outdata_aclr_a => "NONE",
282 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
283 49 jguarin200
                ram_block_type => "M9K",
284
                widthad_a => 9,
285
                width_a => 18,
286
                width_byteena_a => 1
287
        )
288
        port map (
289
                clock0 => clock,
290
                address_a => address,
291
                q_a => qb (17 downto 0)
292
        );
293
 
294
        --! 512x18 rom con los componentes by.
295
        BY : altsyncram
296
        generic map (
297
                address_aclr_a => "NONE",
298
                clock_enable_input_a => "BYPASS",
299
                clock_enable_output_a => "BYPASS",
300
                init_file => ".\memby.mif",
301
                intended_device_family => "Cyclone III",
302
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
303
                lpm_type => "altsyncram",
304
                numwords_a => 512,
305
                operation_mode => "ROM",
306
                outdata_aclr_a => "NONE",
307 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
308 49 jguarin200
                ram_block_type => "M9K",
309
                widthad_a => 9,
310
                width_a => 18,
311
                width_byteena_a => 1
312
        )
313
        port map (
314
                clock0 => clock,
315
                address_a => address,
316
                q_a => qb (35 downto 18)
317
        );
318
 
319
        --! 512x18 rom con los componentes bz.
320
        BZ : altsyncram
321
        generic map (
322
                address_aclr_a => "NONE",
323
                clock_enable_input_a => "BYPASS",
324
                clock_enable_output_a => "BYPASS",
325
                init_file => ".\membz.mif",
326
                intended_device_family => "Cyclone III",
327
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
328
                lpm_type => "altsyncram",
329
                numwords_a => 512,
330
                operation_mode => "ROM",
331
                outdata_aclr_a => "NONE",
332 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
333 49 jguarin200
                ram_block_type => "M9K",
334
                widthad_a => 9,
335
                width_a => 18,
336
                width_byteena_a => 1
337
        )
338
        port map (
339
                clock0 => clock,
340
                address_a => address,
341
                q_a => qb (53 downto 36)
342
        );
343
 
344
        --! 512x18 rom con los componentes cx.
345
        CX : altsyncram
346
        generic map (
347
                address_aclr_a => "NONE",
348
                clock_enable_input_a => "BYPASS",
349
                clock_enable_output_a => "BYPASS",
350
                init_file => ".\memcx.mif",
351
                intended_device_family => "Cyclone III",
352
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
353
                lpm_type => "altsyncram",
354
                numwords_a => 512,
355
                operation_mode => "ROM",
356
                outdata_aclr_a => "NONE",
357
                outdata_reg_a => "UNREGISTERED",
358
                ram_block_type => "M9K",
359
                widthad_a => 9,
360
                width_a => 18,
361
                width_byteena_a => 1
362
        )
363
        port map (
364
                clock0 => clock,
365
                address_a => address,
366
                q_a => qc (17 downto 0)
367
        );
368
 
369
        --! 512x18 rom con los componentes cy.
370
        CY : altsyncram
371
        generic map (
372
                address_aclr_a => "NONE",
373
                clock_enable_input_a => "BYPASS",
374
                clock_enable_output_a => "BYPASS",
375
                init_file => ".\memcy.mif",
376
                intended_device_family => "Cyclone III",
377
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
378
                lpm_type => "altsyncram",
379
                numwords_a => 512,
380
                operation_mode => "ROM",
381
                outdata_aclr_a => "NONE",
382 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
383 49 jguarin200
                ram_block_type => "M9K",
384
                widthad_a => 9,
385
                width_a => 18,
386
                width_byteena_a => 1
387
        )
388
        port map (
389
                clock0 => clock,
390
                address_a => address,
391
                q_a => qc (35 downto 18)
392
        );
393
 
394
        --! 512x18 rom con los componentes cz.
395
        CZ : altsyncram
396
        generic map (
397
                address_aclr_a => "NONE",
398
                clock_enable_input_a => "BYPASS",
399
                clock_enable_output_a => "BYPASS",
400
                init_file => ".\memcz.mif",
401
                intended_device_family => "Cyclone III",
402
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
403
                lpm_type => "altsyncram",
404
                numwords_a => 512,
405
                operation_mode => "ROM",
406
                outdata_aclr_a => "NONE",
407 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
408 49 jguarin200
                ram_block_type => "M9K",
409
                widthad_a => 9,
410
                width_a => 18,
411
                width_byteena_a => 1
412
        )
413
        port map (
414
                clock0 => clock,
415
                address_a => address,
416
                q_a => qc (53 downto 36)
417
        );
418
 
419
        --! 512x18 rom con los componentes dx.
420
        DX : altsyncram
421
        generic map (
422
                address_aclr_a => "NONE",
423
                clock_enable_input_a => "BYPASS",
424
                clock_enable_output_a => "BYPASS",
425
                init_file => ".\memdx.mif",
426
                intended_device_family => "Cyclone III",
427
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
428
                lpm_type => "altsyncram",
429
                numwords_a => 512,
430
                operation_mode => "ROM",
431
                outdata_aclr_a => "NONE",
432 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
433 49 jguarin200
                ram_block_type => "M9K",
434
                widthad_a => 9,
435
                width_a => 18,
436
                width_byteena_a => 1
437
        )
438
        port map (
439
                clock0 => clock,
440
                address_a => address,
441
                q_a => qd (17 downto 0)
442
        );
443
 
444
        --! 512x18 rom con los componentes dy.
445
        DY : altsyncram
446
        generic map (
447
                address_aclr_a => "NONE",
448
                clock_enable_input_a => "BYPASS",
449
                clock_enable_output_a => "BYPASS",
450
                init_file => ".\memdy.mif",
451
                intended_device_family => "Cyclone III",
452
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
453
                lpm_type => "altsyncram",
454
                numwords_a => 512,
455
                operation_mode => "ROM",
456
                outdata_aclr_a => "NONE",
457 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
458 49 jguarin200
                ram_block_type => "M9K",
459
                widthad_a => 9,
460
                width_a => 18,
461
                width_byteena_a => 1
462
        )
463
        port map (
464
                clock0 => clock,
465
                address_a => address,
466
                q_a => qd (35 downto 18)
467
        );
468
 
469
        --! 512x18 rom con los componentes dz.
470
        DZ : altsyncram
471
        generic map (
472
                address_aclr_a => "NONE",
473
                clock_enable_input_a => "BYPASS",
474
                clock_enable_output_a => "BYPASS",
475
                init_file => ".\memdz.mif",
476
                intended_device_family => "Cyclone III",
477
                lpm_hint => "ENABLE_RUNTIME_MOD=NO",
478
                lpm_type => "altsyncram",
479
                numwords_a => 512,
480
                operation_mode => "ROM",
481
                outdata_aclr_a => "NONE",
482 50 jguarin200
                outdata_reg_a => "UNREGISTERED",
483 49 jguarin200
                ram_block_type => "M9K",
484
                widthad_a => 9,
485
                width_a => 18,
486
                width_byteena_a => 1
487
        )
488
        port map (
489
                clock0 => clock,
490
                address_a => address,
491
                q_a => qd (53 downto 36)
492
        );
493
 
494
end tb_arch;
495
 

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