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[/] [openrisc/] [trunk/] [orpsocv2/] [bench/] [sysc/] [src/] [OrpsocMain.cpp] - Blame information for rev 535

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1 63 julius
/////////////////////////////////////////////////////////////////////
2 6 julius
////                                                              ////
3
////  ORPSoC SystemC Testbench                                    ////
4
////                                                              ////
5
////  Description                                                 ////
6
////  ORPSoC Testbench file                                       ////
7
////                                                              ////
8
////  To Do:                                                      ////
9
////                                                              ////
10
////                                                              ////
11
////  Author(s):                                                  ////
12
////      - Jeremy Bennett jeremy.bennett@embecosm.com            ////
13 462 julius
////      - Julius Baxter  julius@opencores.org                   ////
14 6 julius
////                                                              ////
15
////                                                              ////
16
//////////////////////////////////////////////////////////////////////
17
////                                                              ////
18
//// Copyright (C) 2009 Authors and OPENCORES.ORG                 ////
19
////                                                              ////
20
//// This source file may be used and distributed without         ////
21
//// restriction provided that this copyright statement is not    ////
22
//// removed from the file and that any derivative work contains  ////
23
//// the original copyright notice and the associated disclaimer. ////
24
////                                                              ////
25
//// This source file is free software; you can redistribute it   ////
26
//// and/or modify it under the terms of the GNU Lesser General   ////
27
//// Public License as published by the Free Software Foundation; ////
28
//// either version 2.1 of the License, or (at your option) any   ////
29
//// later version.                                               ////
30
////                                                              ////
31
//// This source is distributed in the hope that it will be       ////
32
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
33
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
34
//// PURPOSE.  See the GNU Lesser General Public License for more ////
35
//// details.                                                     ////
36
////                                                              ////
37
//// You should have received a copy of the GNU Lesser General    ////
38
//// Public License along with this source; if not, download it   ////
39
//// from http://www.opencores.org/lgpl.shtml                     ////
40
////                                                              ////
41
//////////////////////////////////////////////////////////////////////
42
 
43
#include "OrpsocMain.h"
44
 
45
#include "Vorpsoc_top.h"
46
#include "OrpsocAccess.h"
47 51 julius
#include "MemoryLoad.h"
48 49 julius
 
49 70 julius
#include <verilated_vcd_c.h>
50 49 julius
 
51 6 julius
#include "ResetSC.h"
52
#include "Or1200MonitorSC.h"
53 363 julius
 
54 397 julius
// Include Verilog ORPSoC defines file, converted to C include format to be
55
// able to detect if the debug unit is to be built in or not.
56
#include "orpsoc-defines.h"
57
 
58 363 julius
#ifdef JTAG_DEBUG
59
# include "GdbServerSC.h"
60
# include "JtagSC_includes.h"
61
#endif
62
 
63 397 julius
#ifdef UART0
64
#  include "UartSC.h"
65
#endif
66 6 julius
 
67 462 julius
/* Global quiet variable */
68
bool gQuiet;
69
 
70
int gSimRunning;
71
 
72
int sc_main(int argc, char *argv[])
73 6 julius
{
74 462 julius
        sc_set_time_resolution(1, TIMESCALE_UNIT);
75
        // CPU clock (also used as JTAG TCK) and reset (both active high and low)
76
        sc_time clkPeriod(BENCH_CLK_HALFPERIOD * 2.0, TIMESCALE_UNIT);
77
        sc_clock clk("clk", clkPeriod);
78 6 julius
 
79 462 julius
        sc_signal < bool > rst;
80
        sc_signal < bool > rstn;
81 6 julius
 
82 363 julius
#ifdef JTAG_DEBUG
83 462 julius
        sc_time jtagPeriod(JTAG_CLK_HALFPERIOD * 2.0, TIMESCALE_UNIT);
84
        sc_clock jtag_tck("jtag-clk", jtagPeriod, 0.5, SC_ZERO_TIME, false);
85 363 julius
 
86 462 julius
        sc_signal < bool > jtag_tdi;    // JTAG interface
87
        sc_signal < bool > jtag_tdo;
88
        sc_signal < bool > jtag_tms;
89
        sc_signal < bool > jtag_trst;
90 363 julius
#endif
91 6 julius
 
92 397 julius
#ifdef UART0
93 462 julius
        sc_signal < bool > uart_rx;     // External UART
94
        sc_signal < bool > uart_tx;
95 397 julius
#endif
96 6 julius
 
97 462 julius
        gSimRunning = 0;
98 6 julius
 
99 462 julius
        // Are we running "quiet"?
100
        gQuiet = false;
101
        // Setup the name of the VCD dump file
102
        bool VCD_enabled = false;
103
        string dumpNameDefault("vlt-dump.vcd");
104
        string testNameString;
105
        string vcdDumpFile;
106
        // VCD dump controling vars
107
        bool dump_start_delay_set = false, dump_stop_set = false;
108
        bool dumping_now = false;
109
        int dump_depth = 99;    // Default dump depth
110
        sc_time dump_start, dump_stop, finish_time;
111
        bool finish_time_set = false;   // By default we will let the simulation 
112
        // finish naturally
113
        VerilatedVcdC *verilatorVCDFile;
114 49 julius
 
115 462 julius
        /*int */ double time_val;
116
        bool vcd_file_name_given = false;
117
 
118 363 julius
#ifdef JTAG_DEBUG
119 462 julius
        bool rsp_server_enabled = false;
120
        int rsp_server_port = DEFAULT_RSP_PORT;
121 363 julius
#endif
122 63 julius
 
123 462 julius
        // Executable app load variables
124
        int do_program_file_load = 0;    // Default: we don't require a file, we use the
125
        // VMEM
126
        char *program_file;     // Old char* style for program name
127 51 julius
 
128 462 julius
        // Verilator accessor
129
        OrpsocAccess *accessor;
130 6 julius
 
131 462 julius
        // Modules
132
        Vorpsoc_top *orpsoc;    // Verilated ORPSoC
133 363 julius
 
134 462 julius
        MemoryLoad *memoryload; // Memory loader
135 363 julius
 
136 462 julius
        ResetSC *reset;         // Generate a RESET signal
137
 
138
        Or1200MonitorSC *monitor;       // Handle l.nop x instructions
139
 
140 363 julius
#ifdef JTAG_DEBUG
141 462 julius
        JtagSC *jtag;           // Generate JTAG signals
142
        GdbServerSC *gdbServer; // Map RSP requests to debug unit
143 363 julius
#endif
144
 
145 397 julius
#ifdef UART0
146 462 julius
        UartSC *uart;           // Handle UART signals
147 397 julius
#endif
148 6 julius
 
149 462 julius
        // Instantiate the Verilator model, VCD trace handler and accessor
150
        orpsoc = new Vorpsoc_top("orpsoc");
151 363 julius
 
152 462 julius
        accessor = new OrpsocAccess(orpsoc);
153
 
154
        memoryload = new MemoryLoad(accessor);
155
 
156
        monitor = new Or1200MonitorSC("monitor", accessor, memoryload,
157
                                      argc, argv);
158
 
159
        // Instantiate the SystemC modules
160
        reset = new ResetSC("reset", BENCH_RESET_TIME);
161
 
162
#ifdef JTAG_DEBUG
163
        jtag = new JtagSC("jtag");
164 363 julius
#endif
165 63 julius
 
166 397 julius
#ifdef UART0
167 462 julius
        uart = new UartSC("uart");
168 397 julius
#endif
169 6 julius
 
170 462 julius
        // Parse command line options
171
        // Default is for VCD generation OFF, only turned on if specified on command 
172
        // line
173
 
174
        // Search through the command line parameters for options  
175
        if (argc > 1) {
176
                for (int i = 1; i < argc; i++) {
177
                        if ((strcmp(argv[i], "-e") == 0) ||
178
                            (strcmp(argv[i], "--endtime") == 0)) {
179
                                time_val = strtod(argv[i + 1], NULL);
180
                                sc_time opt_end_time(time_val, TIMESCALE_UNIT);
181
                                finish_time = opt_end_time;
182
                                finish_time_set = true;
183
                        } else if ((strcmp(argv[i], "-q") == 0) ||
184
                                   (strcmp(argv[i], "--quiet") == 0)) {
185
                                gQuiet = true;
186
                        } else if ((strcmp(argv[i], "-f") == 0) ||
187
                                  (strcmp(argv[i], "--program") == 0)) {
188
                                do_program_file_load = 1;       // Enable program loading - will be 
189
                                // done after sim init.
190
                                program_file = argv[i + 1];     // Old char* style for program name
191
                        } else if ((strcmp(argv[i], "-d") == 0) ||
192
                                   (strcmp(argv[i], "--vcdfile") == 0) ||
193
                                   (strcmp(argv[i], "-v") == 0) ||
194
                                   (strcmp(argv[i], "--vcdon") == 0)
195
                            ) {
196
                                VCD_enabled = true;
197
                                dumping_now = true;
198
                                vcdDumpFile = dumpNameDefault;
199
                                if (i + 1 < argc)
200
                                        if (argv[i + 1][0] != '-') {
201
                                                testNameString = argv[i + 1];
202
                                                vcdDumpFile = testNameString;
203
                                                i++;
204
                                        }
205
                        } else if ((strcmp(argv[i], "-s") == 0) ||
206
                                   (strcmp(argv[i], "--vcdstart") == 0)) {
207
                                VCD_enabled = true;
208
                                time_val = strtod(argv[i + 1], NULL);
209
                                sc_time dump_start_time(time_val,
210
                                                        TIMESCALE_UNIT);
211
                                dump_start = dump_start_time;
212
                                dump_start_delay_set = true;
213
                                dumping_now = false;
214
                        } else if ((strcmp(argv[i], "-t") == 0) ||
215
                                   (strcmp(argv[i], "--vcdstop") == 0)) {
216
                                VCD_enabled = true;
217
                                time_val = strtod(argv[i + 1], NULL);
218
                                sc_time dump_stop_time(time_val,
219
                                                       TIMESCALE_UNIT);
220
                                dump_stop = dump_stop_time;
221
                                dump_stop_set = true;
222
                        }
223 363 julius
#ifdef JTAG_DEBUG
224 462 julius
                        else if ((strcmp(argv[i], "-r") == 0) ||
225
                                 (strcmp(argv[i], "--rsp") == 0)) {
226
                                rsp_server_enabled = true;
227
                                if (i + 1 < argc)
228
                                        if (argv[i + 1][0] != '-') {
229
                                                rsp_server_port =
230
                                                    atoi(argv[i + 1]);
231
                                                i++;
232
                                        }
233
                        }
234 363 julius
#endif
235 462 julius
                        else if ((strcmp(argv[i], "-h") == 0) ||
236
                                   (strcmp(argv[i], "--help") == 0)) {
237
                                printf("Usage: %s [options]\n", argv[0]);
238
                                printf("\n  ORPSoCv2 cycle accurate model\n");
239
                                printf
240
                                    ("  For details visit http://opencores.org/openrisc,orpsocv2\n");
241
                                printf("\n");
242
                                printf("Options:\n");
243
                                printf
244
                                    ("  -h, --help\t\tPrint this help message\n");
245
                                printf
246
                                    ("  -q, --quiet\t\tDisable all except UART print out\n");
247
                                printf("\nSimulation control:\n");
248
                                printf
249
                                    ("  -f, --program <file> \tLoad program from OR32 ELF <file>\n");
250
                                printf
251
                                    ("  -e, --endtime <val> \tStop the sim at <val> ns\n");
252
                                printf("\nVCD generation:\n");
253
                                printf
254
                                    ("  -v, --vcdon\t\tEnable VCD generation\n");
255
                                printf
256
                                    ("  -d, --vcdfile <file>\tEnable and save VCD to <file>\n");
257 49 julius
 
258 462 julius
                                printf
259
                                    ("  -s, --vcdstart <val>\tEnable and delay VCD generation until <val> ns\n");
260
                                printf
261
                                    ("  -t, --vcdstop <val> \tEnable and terminate VCD generation at <val> ns\n");
262 363 julius
#ifdef JTAG_DEBUG
263 462 julius
                                printf("\nRemote debugging:\n");
264
                                printf
265
                                    ("  -r, --rsp [<port>]\tEnable RSP debugging server, opt. specify <port>\n");
266 363 julius
#endif
267 462 julius
                                monitor->printUsage();
268
                                printf("\n");
269
                                return 0;
270
                        }
271
 
272
                }
273 49 julius
        }
274 462 julius
        // Determine if we're going to setup a VCD dump:
275
        // Pretty much setting any related option will enable VCD dumping.
276
        if (VCD_enabled) {
277
 
278
                cout << "* Enabling VCD trace";
279
 
280
                if (dump_start_delay_set)
281
                        cout << ", on at time " << dump_start.to_string();
282
                if (dump_stop_set)
283
                        cout << ", off at time " << dump_stop.to_string();
284
                cout << endl;
285
        }
286
#ifdef JTAG_DEBUG
287
        if (rsp_server_enabled)
288
                gdbServer =
289
                    new GdbServerSC("gdb-server", FLASH_START, FLASH_END,
290
                                    rsp_server_port, jtag->tapActionQueue);
291
        else
292
                gdbServer = NULL;
293 363 julius
#endif
294 6 julius
 
295 462 julius
        // Connect up ORPSoC
296
        orpsoc->clk_pad_i(clk);
297
        orpsoc->rst_n_pad_i(rstn);
298
 
299 363 julius
#ifdef JTAG_DEBUG
300 462 julius
        orpsoc->tck_pad_i(jtag_tck);    // JTAG interface
301
        orpsoc->tdi_pad_i(jtag_tdi);
302
        orpsoc->tms_pad_i(jtag_tms);
303
        orpsoc->tdo_pad_o(jtag_tdo);
304 363 julius
#endif
305 6 julius
 
306 397 julius
#ifdef UART0
307 462 julius
        orpsoc->uart0_srx_pad_i(uart_rx);       // External UART
308
        orpsoc->uart0_stx_pad_o(uart_tx);
309 397 julius
#endif
310 6 julius
 
311 462 julius
        // Connect up the SystemC  modules
312
        reset->clk(clk);        // Reset
313
        reset->rst(rst);
314
        reset->rstn(rstn);
315 6 julius
 
316 462 julius
        monitor->clk(clk);      // Monitor
317 6 julius
 
318 363 julius
#ifdef JTAG_DEBUG
319 462 julius
        jtag->sysReset(rst);    // JTAG
320
        jtag->tck(jtag_tck);
321
        jtag->tdi(jtag_tdi);
322
        jtag->tdo(jtag_tdo);
323
        jtag->tms(jtag_tms);
324
        jtag->trst(jtag_trst);
325 363 julius
#endif
326 63 julius
 
327 397 julius
#ifdef UART0
328 462 julius
        uart->clk(clk);         // Uart
329
        uart->uartrx(uart_rx);  // orpsoc's receive line
330
        uart->uarttx(uart_tx);  // orpsoc's transmit line
331 397 julius
#endif
332 6 julius
 
333 462 julius
        // Tie off signals
334 363 julius
#ifdef JTAG_DEBUG
335 462 julius
        jtag_tdi = 1;           // Tie off the JTAG inputs
336
        jtag_tms = 1;
337 363 julius
#endif
338
 
339 462 julius
        if (VCD_enabled) {
340
                Verilated::traceEverOn(true);
341
 
342
                printf("* VCD dumpfile: %s\n", vcdDumpFile.c_str());
343
 
344
                // Establish a new trace with its correct time resolution, and trace to
345
                // great depth.
346
                verilatorVCDFile = new VerilatedVcdC();
347
 
348
                orpsoc->trace(verilatorVCDFile, dump_depth);
349
 
350
                if (dumping_now) {
351
                        verilatorVCDFile->open(vcdDumpFile.c_str());
352
                }
353 49 julius
        }
354 462 julius
        //printf("* Beginning test\n");
355 362 julius
 
356 397 julius
#ifdef UART0
357 462 julius
        // Init the UART function
358 500 julius
        uart->initUart(115200);
359 397 julius
#endif
360 6 julius
 
361 462 julius
        if (do_program_file_load)       // Did the user specify a file to load?
362 51 julius
        {
363 462 julius
                if (!gQuiet)
364
                        cout << "* Loading program from " << program_file <<
365
                                endl;
366
                if (memoryload->loadcode(program_file, 0, 0) < 0) {
367
                        cout << "* Error: executable file " << program_file <<
368
                            " not loaded" << endl;
369
                        goto finish_up;
370
 
371
                }
372
        } else
373 49 julius
        {
374 462 julius
                /* No ELF file specified, default is to load from  VMEM file */
375
                if (!gQuiet)
376
                        cout <<
377
                            "* Loading memory with image from default file, sram.vmem"
378
                            << endl;
379
                accessor->do_ram_readmemh();
380 49 julius
        }
381 6 julius
 
382 462 julius
        gSimRunning = 1;
383
 
384
        // First check how we should run the sim.
385
        if (VCD_enabled || finish_time_set) {   // We'll run sim with step
386
 
387
                if (!VCD_enabled && finish_time_set) {
388
                        // We just run the sim until the set finish time
389
                        sc_start((double)(finish_time.to_double()),
390
                                 TIMESCALE_UNIT);
391
                        gSimRunning = 0;
392
                        sc_stop();
393
                        // Print performance summary
394
                        monitor->perfSummary();
395
                        // Do memdump if enabled
396
                        monitor->memdump();
397
                } else {
398
                        if (dump_start_delay_set) {
399
                                // Run the sim until we want to dump
400
                                sc_start((double)(dump_start.to_double()),
401
                                         TIMESCALE_UNIT);
402
                                // Open the trace file
403
                                verilatorVCDFile->open(vcdDumpFile.c_str());
404
                                dumping_now = 1;
405 49 julius
                        }
406 462 julius
 
407
                        if (dumping_now) {
408
                                // Step the sim and generate the trace
409
                                // Execute until we stop
410
                                while (!Verilated::gotFinish()) {
411
                                        // gSimRunning value changed by the
412
                                        // monitor when sim should finish.
413
                                        if (gSimRunning)
414
                                                // Step the sim
415
                                                sc_start(1, TIMESCALE_UNIT);
416
                                        else {
417
                                                verilatorVCDFile->close();
418
                                                break;
419
                                        }
420
 
421
                                        verilatorVCDFile->dump(sc_time_stamp().
422
                                                               to_double());
423
 
424
                                        if (dump_stop_set) {
425
                                                if (sc_time_stamp() >=
426
                                                    dump_stop) {
427
                                                        // Close dump file
428
                                                        verilatorVCDFile->close
429
                                                                ();
430
                                                        // Now continue on again until the end
431
                                                        if (!finish_time_set)
432
                                                                sc_start();
433
                                                        else {
434
                                                                // Determine how long we should run for
435
                                                                sc_time
436
                                                                    sim_time_remaining
437
                                                                    =
438
                                                                    finish_time
439
                                                                    -
440
                                                                    sc_time_stamp
441
                                                                    ();
442
                                                                sc_start((double)(sim_time_remaining.to_double()), TIMESCALE_UNIT);
443
                                                                // Officially stop the sim
444
                                                                sc_stop();
445
                                                                // Print performance summary
446
                                                                monitor->
447
                                                                    perfSummary
448
                                                                    ();
449
                                                                // Do memdump if enabled
450
                                                                monitor->memdump
451
                                                                    ();
452
                                                        }
453
                                                        break;
454
                                                }
455
                                        }
456
                                        if (finish_time_set) {
457
                                                if (sc_time_stamp() >=
458
                                                    finish_time) {
459
                                                        // Officially stop the sim
460
                                                        sc_stop();
461
                                                        // Close dump file
462
                                                        verilatorVCDFile->close
463
                                                            ();
464
                                                        // Do memdump if enabled
465
                                                        monitor->memdump();
466
                                                        // Print performance summary
467
                                                        monitor->perfSummary();
468
                                                        break;
469
                                                }
470
                                        }
471
                                }
472 49 julius
                        }
473
                }
474 462 julius
        } else {
475
                // Simple run case
476
                // Ideally a "l.nop 1" will terminate the simulation gracefully.
477
                // Need to step at clock period / 4, otherwise model appears to skip the 
478
                // monitor and logging functions sometimes (?!?)
479
                while (gSimRunning)
480
                        sc_start(BENCH_CLK_HALFPERIOD / 2, TIMESCALE_UNIT);
481
                //sc_start();
482 49 julius
        }
483 462 julius
 
484
 
485
finish_up:
486
        // Free memory
487 363 julius
#ifdef JTAG_DEBUG
488 462 julius
        if (rsp_server_enabled)
489
                delete gdbServer;
490 363 julius
 
491 462 julius
        delete jtag;
492 363 julius
#endif
493
 
494 462 julius
        delete monitor;
495 363 julius
 
496 462 julius
        delete reset;
497 6 julius
 
498 462 julius
        delete accessor;
499 6 julius
 
500 462 julius
        //delete trace;
501 363 julius
 
502 462 julius
        delete orpsoc;
503 6 julius
 
504 462 julius
        return 0;
505 6 julius
 
506 462 julius
}                               /* sc_main() */

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