summaryrefslogtreecommitdiff
path: root/kernel/driver.cc
blob: 69a7b8e156357e54156f92a9e9f08ed4162c0c6b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
/*
 *  yosys -- Yosys Open SYnthesis Suite
 *
 *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
 *  
 *  Permission to use, copy, modify, and/or distribute this software for any
 *  purpose with or without fee is hereby granted, provided that the above
 *  copyright notice and this permission notice appear in all copies.
 *  
 *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#include "kernel/yosys.h"
#include "libs/sha1/sha1.h"

#ifdef YOSYS_ENABLE_READLINE
#  include <readline/readline.h>
#  include <readline/history.h>
#endif

#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <errno.h>

#ifdef __linux__
#  include <sys/types.h>
#  include <unistd.h>
#endif

#if !defined(_WIN32) || defined(__MINGW32__)
#  include <unistd.h>
#else
char *optarg;
int optind = 1, optcur = 1;
int getopt(int argc, char **argv, const char *optstring)
{
	if (optind >= argc || argv[optind][0] != '-')
		return -1;

	bool takes_arg = false;
	int opt = argv[optind][optcur];
	for (int i = 0; optstring[i]; i++)
		if (opt == optstring[i] && optstring[i + 1] == ':')
			takes_arg = true;

	if (!takes_arg) {
		if (argv[optind][++optcur] == 0)
			optind++, optcur = 1;
		return opt;
	}

	if (argv[optind][++optcur]) {
		optarg = argv[optind++] + optcur;
		optcur = 1;
		return opt;
	}

	optarg = argv[++optind];
	optind++, optcur = 1;
	return opt;
}
#endif


USING_YOSYS_NAMESPACE

#ifdef EMSCRIPTEN

extern "C" int main(int, char**);
extern "C" void run(const char*);
extern "C" const char *prompt();

int main(int, char**)
{
	log_files.push_back(stdout);
	log_error_stderr = true;
	yosys_banner();
	yosys_setup();
}

void run(const char *command)
{
	run_pass(command);
}

const char *prompt()
{
	const char *p = create_prompt(yosys_get_design(), 0);
	while (*p == '\n') p++;
	return p;
}

#else /* EMSCRIPTEN */

int main(int argc, char **argv)
{
	std::string frontend_command = "auto";
	std::string backend_command = "auto";
	std::vector<std::string> passes_commands;
	std::vector<std::string> plugin_filenames;
	std::string output_filename = "";
	std::string scriptfile = "";
	bool scriptfile_tcl = false;
	bool got_output_filename = false;
	bool print_banner = true;
	bool print_stats = true;
	bool call_abort = false;
	bool timing_details = false;
	bool mode_v = false;
	bool mode_q = false;

#ifdef YOSYS_ENABLE_READLINE
	int history_offset = 0;
	std::string history_file;
	if (getenv("HOME") != NULL) {
		history_file = stringf("%s/.yosys_history", getenv("HOME"));
		read_history(history_file.c_str());
		history_offset = where_history();
	}
#endif

	if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "-help") || !strcmp(argv[1], "--help")))
	{
		printf("\n");
		printf("Usage: %s [options] [<infile> [..]]\n", argv[0]);
		printf("\n");
		printf("    -Q\n");
		printf("        suppress printing of banner (copyright, disclaimer, version)\n");
		printf("\n");
		printf("    -T\n");
		printf("        suppress printing of footer (log hash, version, timing statistics)\n");
		printf("\n");
		printf("    -q\n");
		printf("        quiet operation. only write warnings and error messages to console\n");
		printf("        use this option twice to also quiet warning messages\n");
		printf("\n");
		printf("    -v <level>\n");
		printf("        print log headers up to level <level> to the console. (this\n");
		printf("        implies -q for everything except the 'End of script.' message.)\n");
		printf("\n");
		printf("    -t\n");
		printf("        annotate all log messages with a time stamp\n");
		printf("\n");
		printf("    -d\n");
		printf("        print more detailed timing stats at exit\n");
		printf("\n");
		printf("    -l logfile\n");
		printf("        write log messages to the specified file\n");
		printf("\n");
		printf("    -L logfile\n");
		printf("        like -l but open log file in line buffered mode\n");
		printf("\n");
		printf("    -o outfile\n");
		printf("        write the design to the specified file on exit\n");
		printf("\n");
		printf("    -b backend\n");
		printf("        use this backend for the output file specified on the command line\n");
		printf("\n");
		printf("    -f backend\n");
		printf("        use the specified front for the input files on the command line\n");
		printf("\n");
		printf("    -H\n");
		printf("        print the command list\n");
		printf("\n");
		printf("    -h command\n");
		printf("        print the help message for the specified command\n");
		printf("\n");
		printf("    -s scriptfile\n");
		printf("        execute the commands in the script file\n");
		printf("\n");
		printf("    -c tcl_scriptfile\n");
		printf("        execute the commands in the tcl script file (see 'help tcl' for details)\n");
		printf("\n");
		printf("    -p command\n");
		printf("        execute the commands\n");
		printf("\n");
		printf("    -m module_file\n");
		printf("        load the specified module (aka plugin)\n");
		printf("\n");
		printf("    -X\n");
		printf("        enable tracing of core data structure changes. for debugging\n");
		printf("\n");
		printf("    -M\n");
		printf("        will slightly randomize allocated pointer addresses. for debugging\n");
		printf("\n");
		printf("    -A\n");
		printf("        will call abort() at the end of the script. for debugging\n");
		printf("\n");
		printf("    -V\n");
		printf("        print version information and exit\n");
		printf("\n");
		printf("The option -S is an shortcut for calling the \"synth\" command, a default\n");
		printf("script for transforming the verilog input to a gate-level netlist. For example:\n");
		printf("\n");
		printf("    yosys -o output.blif -S input.v\n");
		printf("\n");
		printf("For more complex synthesis jobs it is recommended to use the read_* and write_*\n");
		printf("commands in a script file instead of specifying input and output files on the\n");
		printf("command line.\n");
		printf("\n");
		printf("When no commands, script files or input files are specified on the command\n");
		printf("line, yosys automatically enters the interactive command mode. Use the 'help'\n");
		printf("command to get information on the individual commands.\n");
		printf("\n");
		exit(0);
	}

	int opt;
	while ((opt = getopt(argc, argv, "MXAQTVSm:f:Hh:b:o:p:l:L:qv:tds:c:")) != -1)
	{
		switch (opt)
		{
		case 'M':
			memhasher_on();
			break;
		case 'X':
			yosys_xtrace++;
			break;
		case 'A':
			call_abort = true;
			break;
		case 'Q':
			print_banner = false;
			break;
		case 'T':
			print_stats = false;
			break;
		case 'V':
			printf("%s\n", yosys_version_str);
			exit(0);
		case 'S':
			passes_commands.push_back("synth");
			break;
		case 'm':
			plugin_filenames.push_back(optarg);
			break;
		case 'f':
			frontend_command = optarg;
			break;
		case 'H':
			passes_commands.push_back("help");
			break;
		case 'h':
			passes_commands.push_back(stringf("help %s", optarg));
			break;
		case 'b':
			backend_command = optarg;
			break;
		case 'p':
			passes_commands.push_back(optarg);
			break;
		case 'o':
			output_filename = optarg;
			got_output_filename = true;
			break;
		case 'l':
		case 'L':
			log_files.push_back(fopen(optarg, "wt"));
			if (log_files.back() == NULL) {
				fprintf(stderr, "Can't open log file `%s' for writing!\n", optarg);
				exit(1);
			}
			if (opt == 'L')
				setvbuf(log_files.back(), NULL, _IOLBF, 0);
			break;
		case 'q':
			mode_q = true;
			if (log_errfile == stderr)
				log_quiet_warnings = true;
			log_errfile = stderr;
			break;
		case 'v':
			mode_v = true;
			log_errfile = stderr;
			log_verbose_level = atoi(optarg);
			break;
		case 't':
			log_time = true;
			break;
		case 'd':
			timing_details = true;
			break;
		case 's':
			scriptfile = optarg;
			scriptfile_tcl = false;
			break;
		case 'c':
			scriptfile = optarg;
			scriptfile_tcl = true;
			break;
		default:
			fprintf(stderr, "Run '%s -h' for help.\n", argv[0]);
			exit(1);
		}
	}

	if (log_errfile == NULL) {
		log_files.push_back(stdout);
		log_error_stderr = true;
	}

	if (print_banner)
		yosys_banner();

	if (print_stats)
		log_hasher = new SHA1;

	yosys_setup();

	for (auto &fn : plugin_filenames)
		load_plugin(fn, {});

	if (optind == argc && passes_commands.size() == 0 && scriptfile.empty()) {
		if (!got_output_filename)
			backend_command = "";
		shell(yosys_design);
	}

	while (optind < argc)
		run_frontend(argv[optind++], frontend_command, output_filename == "-" ? &backend_command : NULL);

	if (!scriptfile.empty()) {
		if (scriptfile_tcl) {
#ifdef YOSYS_ENABLE_TCL
			if (Tcl_EvalFile(yosys_get_tcl_interp(), scriptfile.c_str()) != TCL_OK)
				log_error("TCL interpreter returned an error: %s\n", Tcl_GetStringResult(yosys_get_tcl_interp()));
#else
			log_error("Can't exectue TCL script: this version of yosys is not built with TCL support enabled.\n");
#endif
		} else
			run_frontend(scriptfile, "script", output_filename == "-" ? &backend_command : NULL);
	}

	for (auto it = passes_commands.begin(); it != passes_commands.end(); it++)
		run_pass(*it);

	if (!backend_command.empty())
		run_backend(output_filename, backend_command);

	if (print_stats)
	{
		std::string hash = log_hasher->final().substr(0, 10);
		delete log_hasher;
		log_hasher = nullptr;

		log_time = false;
		yosys_xtrace = 0;
		log_spacer();

		if (mode_v && !mode_q)
			log_files.push_back(stderr);

#ifdef _WIN32
		log("End of script. Logfile hash: %s\n", hash.c_str());
#else
		std::string meminfo;
		std::string stats_divider = ", ";
#  ifdef __linux__
		std::ifstream statm;
		statm.open(stringf("/proc/%lld/statm", (long long)getpid()));
		if (statm.is_open()) {
			int sz_total, sz_resident;
			statm >> sz_total >> sz_resident;
			meminfo = stringf(", MEM: %.2f MB total, %.2f MB resident",
					sz_total * (getpagesize() / 1024.0 / 1024.0),
					sz_resident * (getpagesize() / 1024.0 / 1024.0));
			stats_divider = "\n";
		}
#  endif

		struct rusage ru_buffer;
		getrusage(RUSAGE_SELF, &ru_buffer);
		log("End of script. Logfile hash: %s%sCPU: user %.2fs system %.2fs%s\n", hash.c_str(),
				stats_divider.c_str(), ru_buffer.ru_utime.tv_sec + 1e-6 * ru_buffer.ru_utime.tv_usec,
				ru_buffer.ru_stime.tv_sec + 1e-6 * ru_buffer.ru_stime.tv_usec, meminfo.c_str());
#endif
		log("%s\n", yosys_version_str);

		int64_t total_ns = 0;
		std::set<std::tuple<int64_t, int, std::string>> timedat;

		for (auto &it : pass_register)
			if (it.second->call_counter) {
				total_ns += it.second->runtime_ns + 1;
				timedat.insert(make_tuple(it.second->runtime_ns + 1, it.second->call_counter, it.first));
			}

		if (timing_details)
		{
			log("Time spent:\n");
			for (auto it = timedat.rbegin(); it != timedat.rend(); it++) {
				log("%5d%% %5d calls %8.3f sec %s\n", int(100*std::get<0>(*it) / total_ns),
						std::get<1>(*it), std::get<0>(*it) / 1000000000.0, std::get<2>(*it).c_str());
			}
		}
		else
		{
			int out_count = 0;
			log("Time spent:");
			for (auto it = timedat.rbegin(); it != timedat.rend() && out_count < 4; it++, out_count++) {
				if (out_count >= 2 && (std::get<0>(*it) < 1000000000 || int(100*std::get<0>(*it) / total_ns) < 20)) {
					log(", ...");
					break;
				}
				log("%s %d%% %dx %s (%d sec)", out_count ? "," : "", int(100*std::get<0>(*it) / total_ns),
						std::get<1>(*it), std::get<2>(*it).c_str(), int(std::get<0>(*it) / 1000000000));
			}
			log("%s\n", out_count ? "" : " no commands executed");
		}
	}

#if defined(YOSYS_ENABLE_COVER) && defined(__linux__)
	if (getenv("YOSYS_COVER_DIR") || getenv("YOSYS_COVER_FILE"))
	{
		string filename;
		FILE *f;

		if (getenv("YOSYS_COVER_DIR")) {
			filename = stringf("%s/yosys_cover_%d_XXXXXX.txt", getenv("YOSYS_COVER_DIR"), getpid());
			filename = make_temp_file(filename);
		} else {
			filename = getenv("YOSYS_COVER_FILE");
		}

		f = fopen(filename.c_str(), "a+");

		if (f == NULL)
			log_error("Can't create coverage file `%s'.\n", filename.c_str());

		log("<writing coverage file \"%s\">\n", filename.c_str());

		for (auto &it : get_coverage_data())
			fprintf(f, "%-60s %10d %s\n", it.second.first.c_str(), it.second.second, it.first.c_str());

		fclose(f);
	}
#endif

	memhasher_off();
	if (call_abort)
		abort();

#ifdef YOSYS_ENABLE_READLINE
	if (!history_file.empty()) {
		if (history_offset > 0) {
			history_truncate_file(history_file.c_str(), 100);
			append_history(where_history() - history_offset, history_file.c_str());
		} else
			write_history(history_file.c_str());
	}

	clear_history();
	HIST_ENTRY **hist_list = history_list();
	if (hist_list != NULL)
		free(hist_list);
#endif

	yosys_shutdown();

	return 0;
}

#endif /* EMSCRIPTEN */