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[/] [or1k/] [tags/] [nog_patch_61/] [or1ksim/] [sim-config.c] - Blame information for rev 306

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Line No. Rev Author Line
1 7 jrydberg 
/* config.c -- Simulator configuration
2 
   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
3 
 
4 
This file is part of OpenRISC 1000 Architectural Simulator.
5 
 
6 
This program is free software; you can redistribute it and/or modify
7 
it under the terms of the GNU General Public License as published by
8 
the Free Software Foundation; either version 2 of the License, or
9 
(at your option) any later version.
10 
 
11 
This program is distributed in the hope that it will be useful,
12 
but WITHOUT ANY WARRANTY; without even the implied warranty of
13 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 
GNU General Public License for more details.
15 
 
16 
You should have received a copy of the GNU General Public License
17 
along with this program; if not, write to the Free Software
18 
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19 
 
20 
/* Simulator configuration. Eventually this one will be a lot bigger. */
21 
 
22 239 markom 
#include <stdlib.h>
23 7 jrydberg 
#include "sim-config.h"
24 30 lampret 
#include "abstract.h"
25 103 lampret 
#include "spr_defs.h"
26 230 erez 
#include "pic.h"
27 7 jrydberg 
 
28 
struct config config;
29 
 
30 
void init_defconfig()
31 
{
32 239 markom 
  unsigned long val;
33 
 
34 
  memset(&config, 0, sizeof(config));
35 263 markom 
  /* Sim */
36 
  config.script_file = "sim.cfg";
37 294 markom 
 
38 
  config.sim.exe_log = 0;
39 
  config.sim.fexe_log = 0;
40 
  strcpy (config.sim.exe_log_fn, "executed.log");
41 
 
42 264 markom 
  config.sim.debug = 0;
43 293 markom 
  config.sim.verbose = 1;
44 264 markom 
  config.sim.iprompt = 0;
45 263 markom 
 
46 294 markom 
  config.sim.profile = 0;
47 
  config.sim.fprof = 0;
48 
  strcpy (config.sim.prof_fn, "sim.profile");
49 
 
50 262 markom 
  /* Memory */
51 
  config.memory.type = MT_PATTERN;
52 
  config.memory.pattern = 0;
53 
  config.memory.random_seed = -1;  /* Generate new seed */
54 
  strcpy(config.memory.memory_table_file, "simmem.cfg");
55 263 markom 
 
56 
  /* Memory Controller */
57 
  config.mc.enabled = 0;
58 
 
59 
  /* Uarts */
60 
  config.nuarts = 0;
61 
  config.uarts_enabled = 0;
62 
 
63 
  /* DMAs */
64 
  config.ndmas = 0;
65 
  config.dmas_enabled = 0;
66 
 
67 
  /* CPU */
68 
  config.cpu.superscalar = 0;
69 
  config.cpu.history = 0;
70 
  config.cpu.hazards = 0;
71 
  config.cpu.dependstats = 0;
72 
  config.cpu.dependency = 0;
73 
  config.cpu.slp = 0;
74 
  config.cpu.upr = SPR_UPR_UP | SPR_UPR_DCP | SPR_UPR_ICP | SPR_UPR_DMP
75 
                 | SPR_UPR_IMP | SPR_UPR_OB32P | SPR_UPR_DUP | SPR_UPR_PICP
76 
                 | SPR_UPR_PMP | SPR_UPR_TTP;
77 264 markom 
 
78 269 markom 
  /* Debug */
79 
  config.debug.enabled = 0;
80 
  config.debug.gdb_enabled = 0;
81 
  config.debug.server_port = 0;
82 293 markom 
 
83 
  /* VAPI */
84 
  config.vapi.enabled = 0;
85 304 markom 
 
86 
  /* Ethernet */
87 
  config.ethernets_enabled = 0;
88 269 markom 
 
89 262 markom 
  /* Old */
90 239 markom 
  config.dc.tagtype = NONE/*VIRTUAL*/;
91 
  config.ic.tagtype = NONE/*VIRTUAL*/;
92 
  config.clkcycle_ns = 4; /* 4 for 4ns (250MHz) */
93 263 markom 
  config.ethernets[0].baseaddr = 0x88000000;
94 
  config.ethernets[0].dma = 0;
95 
  config.ethernets[0].tx_channel = 0;
96 
  config.ethernets[0].rx_channel = 1;
97 
  config.ethernets[0].rxfile = "/tmp/eth0.rx";
98 
  config.ethernets[0].txfile = "/tmp/eth0.tx";
99 103 lampret 
}
100 
 
101 
int parse_args(int argc, char *argv[])
102 
{
103 239 markom 
  unsigned long val;
104 
 
105 
  argv++; argc--;
106 
  while (argc) {
107 
    if (argc && (*argv[0] != '-')) {
108 
      config.filename = argv[0];
109 
      argc--;
110 
      argv++;
111 242 markom 
    } else
112 263 markom 
    if (strcmp(*argv, "-f") == 0 || strcmp(*argv, "--file") == 0) {
113 
      argv++; argc--;
114 
      config.script_file = argv[0];
115 
      argv++; argc--;
116 
    } else
117 
    if (strcmp(*argv, "--nosrv") == 0) {  /* (CZ) */
118 269 markom 
      config.debug.gdb_enabled = 0;
119 239 markom 
      argv++; argc--;
120 
    } else
121 263 markom 
    if (strcmp(*argv, "--srv") == 0) {  /* (CZ) */
122 239 markom 
      char *s;
123 
      if(!--argc)
124 
        return 1;
125 269 markom 
      config.debug.enabled = 1;
126 
      config.debug.gdb_enabled = 0;
127 
      config.debug.server_port = strtol(*(++argv),&s,10);
128 239 markom 
      if(*s)
129 
        return 1;
130 
      argv++; argc--;
131 
    } else
132 
    if (strcmp(*argv, "-i") == 0) {
133 264 markom 
      config.sim.iprompt = 1;
134 239 markom 
      argv++; argc--;
135 
    } else
136 
    if (strcmp(*argv, "-v") == 0) {
137 
      version();
138 
      exit(0);
139 
    } else
140 263 markom 
    if (strcmp(*argv, "--profile") == 0) {
141 264 markom 
      config.sim.profile = 1;
142 239 markom 
      argv++; argc--;
143 
    } else {
144 
      printf("Unknown option: %s\n", *argv);
145 
      return 1;
146 
    }
147 
  }
148 
 
149 
  if (!argc)
150 
    return 0;
151 
 
152 
  return 0;
153 
}
154 123 markom 
 
155 294 markom 
#define CNV(x) ((isblank(x) || (x) == 0) ? ' ' : (x))
156 
 
157 
/* Substitute for less powerful fscanf */
158 
int fscanf_ex (FILE *f, char *fmt, void *buf) {
159 
  char tmp[STR_SIZE];
160 
  char ch;
161 
  int i = 0;
162 
  while (*fmt) {
163 
    switch (*fmt) {
164 
      case '%':
165 
        while(*fmt != 0 && !isalpha (*fmt))
166 
          tmp[i++] = *(fmt++);
167 
        tmp[i++] = *(fmt++);
168 
        if (tmp[i - 1] == 's') {
169 
          char *cbuf = (char *)buf;
170 
          i = 0;
171 
          while (ch = fgetc (f), isblank(ch))
172 
            if (feof (f)) return 1;
173 
          ungetc (ch, f);
174 
          while ((*(cbuf++) = ch = fgetc (f), CNV(ch) ) != *fmt) {
175 
            if (feof (f)) return 1;
176 
            if (++i >= STR_SIZE) {
177 
              fprintf (stderr, "ERROR: string too long.\n");
178 
              return 1;
179 
            }
180 
          }
181 
          *(--cbuf) = 0;
182 
          fmt++;
183 
        } else {
184 
          tmp[i++] = 0;
185 
          fscanf (f, tmp, buf);
186 
        }
187 
        break;
188 
      default:
189 
        while ((ch = fgetc (f)) != *fmt) {
190 
          if (!isblank (ch))
191 
            fprintf (stderr, "WARNING: unexpected char '%c' (expecting '%c')\n", ch, *fmt);
192 
          if (feof (f)) return 1;
193 
        }
194 
        fmt++;
195 
        break;
196 
    }
197 
  }
198 
  return 0;
199 
}
200 
 
201 239 markom 
void print_config()
202 
{
203 
  printf("Machine initialization...\n");
204 
  if (testsprbits(SPR_UPR, SPR_UPR_DCP))
205 
    printf("Data cache tag: %s\n", config.dc.tagtype == VIRTUAL ? "virtual" : "physical");
206 
  else
207 
    printf("No data cache.\n");
208 
  if (testsprbits(SPR_UPR, SPR_UPR_ICP))
209 
    printf("Insn cache tag: %s\n", config.ic.tagtype == VIRTUAL ? "virtual" : "physical");
210 
  else
211 
    printf("No instruction cache.\n");
212 264 markom 
  /*if (config.cpu.bpb_sim)
213 239 markom 
    printf("BPB simulation on.\n");
214 
  else
215 
    printf("BPB simulation off.\n");
216 264 markom 
  if (config.cpu.btic_sim)
217 239 markom 
    printf("BTIC simulation on.\n");
218 
  else
219 264 markom 
    printf("BTIC simulation off.\n");*/
220 239 markom 
  printf("Clock cycle: %d ns\n", config.clkcycle_ns);
221 
 
222 264 markom 
  if (config.sim.debug)
223 239 markom 
    printf("simdebug on, ");
224 
  else
225 
    printf("simdebug off, ");
226 264 markom 
  if (config.sim.iprompt)
227 239 markom 
    printf("interactive prompt on\n");
228 
  else
229 
    printf("interactive prompt off\n");
230 
}
231 123 markom 
 
232 261 markom 
void change_device ();
233 
void end_device ();
234 
void uart_baseaddr ();
235 
void uart_rxfile ();
236 
void uart_txfile ();
237 
void uart_jitter ();
238 
void dma_baseaddr ();
239 
void dma_irq ();
240 262 markom 
void memory_type ();
241 306 markom 
void eth_baseaddr ();
242 
void eth_dma ();
243 123 markom 
 
244 305 markom 
unsigned long tempL;
245 
unsigned long tempUL;
246 
char tempS[STR_SIZE];
247 123 markom 
 
248 305 markom 
#define CPF_SUBSECTION 1
249 
#define CPF_SUBFIELD   2
250 
 
251 261 markom 
struct section {
252 
  char *name;
253 
  int flags;
254 
} sections[] = {
255 
  {"",       0},
256 
  {"mc",     0},
257 
  {"uart",   0},
258 262 markom 
  {"dma",    0},
259 263 markom 
  {"memory", 0},
260 264 markom 
  {"cpu",    0},
261 269 markom 
  {"sim",    0},
262 293 markom 
  {"debug",  0},
263 304 markom 
  {"VAPI",   0},
264 
  {"ethernet",0}
265 239 markom 
};
266 
 
267 305 markom 
/* *INDENT-OFF* */
268 261 markom 
 
269 239 markom 
/* Parameter definitions */
270 
struct config_params {
271 
  int section;
272 
  char *name;
273 
  char *type;
274 261 markom 
  void (*func)();
275 
  void *addr;
276 239 markom 
} config_params[] = {
277 294 markom 
  {1, "enabled",            "=%i",         NULL,          (void *)(&config.mc.enabled)},
278 
  {1, "baseaddr",           "=0x%x",       NULL,          (void *)(&config.mc.baseaddr)},
279 
  {1, "POC",                "=0x%x",       NULL,          (void *)(&config.mc.POC)},
280 261 markom 
 
281 294 markom 
  {2, "enabled",            "=%i",         NULL,          (void *)(&config.uarts_enabled)},
282 
  {2, "nuarts",             "=%i",         NULL,          (void *)(&config.nuarts)},
283 261 markom 
  {2, "device",             "%i",          change_device, (void *)(&tempL)},
284 
  {2, "enddevice",          "",            end_device,    NULL},
285 294 markom 
  {2, "baseaddr",           "=0x%x",       uart_baseaddr, (void *)(&tempUL)},
286 
  {2, "jitter",             "=%i",         uart_jitter,   (void *)(&tempL)},
287 
  {2, "rxfile",             "=\"%s\"",     uart_rxfile,   (void *)(&tempS[0])},
288 
  {2, "txfile",             "=\"%s\"",     uart_txfile,   (void *)(&tempS[0])},
289 261 markom 
 
290 294 markom 
  {3, "enabled",            "=%i",         NULL,          (void *)(&config.dmas_enabled)},
291 
  {3, "ndmas",              "=%i",         NULL,          (void *)(&config.ndmas)},
292 261 markom 
  {3, "device",             "%i",          change_device, (void *)(&tempL)},
293 
  {3, "enddevice",          "",            end_device,    NULL},
294 294 markom 
  {3, "baseaddr",           "=0x%x",       dma_baseaddr,  (void *)(&tempUL)},
295 
  {3, "irq",                "=%i",         dma_baseaddr,  (void *)(&tempL)},
296 262 markom 
 
297 294 markom 
  {4, "memory_table_file",  "=\"%s\"",     NULL,          (void *)(&config.memory.memory_table_file[0])},
298 
  {4, "random_seed",        "=%i",         NULL,          (void *)(&config.memory.random_seed)},
299 
  {4, "pattern",            "=%i",         NULL,          (void *)(&config.memory.pattern)},
300 
  {4, "type",               "=%s ",        memory_type,   (void *)(&tempS[0])},
301 263 markom 
 
302 294 markom 
  {5, "ver",                "=0x%x",       NULL,          (void *)(&config.cpu.ver)},
303 
  {5, "rev",                "=0x%x",       NULL,          (void *)(&config.cpu.rev)},
304 
  {5, "upr",                "=0x%x",       NULL,          (void *)(&config.cpu.upr)},
305 
  {5, "hazards",            "=%i",         NULL,          (void *)(&config.cpu.hazards)},
306 
  {5, "history",            "=%i",         NULL,          (void *)(&config.cpu.history)},
307 
  {5, "superscalar",        "=%i",         NULL,          (void *)(&config.cpu.superscalar)},
308 
  {5, "dependstats",        "=%i",         NULL,          (void *)(&config.cpu.dependstats)},
309 
  {5, "dependency",         "=%i",         NULL,          (void *)(&config.cpu.dependency)},
310 
  {5, "slp",                "=%i",         NULL,          (void *)(&config.cpu.slp)},
311 
  {5, "bpb",                "=%i",         NULL,          (void *)(&config.cpu.bpb)},
312 304 markom 
  {5, "btic",               "=%i",         NULL,          (void *)(&config.cpu.btic)},
313 264 markom 
 
314 294 markom 
  {6, "debug",              "=%i",         NULL,          (void *)(&config.sim.debug)},
315 
  {6, "iprompt",            "=%i",         NULL,          (void *)(&config.sim.iprompt)},
316 
  {6, "verbose",            "=%i",         NULL,          (void *)(&config.sim.verbose)},
317 
  {6, "profile",            "=%i",         NULL,          (void *)(&config.sim.profile)},
318 
  {6, "prof_fn",            "=\"%s\"",     NULL,          (void *)(&config.sim.prof_fn[0])},
319 269 markom 
 
320 294 markom 
  {6, "exe_log",            "=%i",         NULL,          (void *)(&config.sim.exe_log)},
321 
  {6, "exe_log_fn",         "=\"%s\"",     NULL,          (void *)(&config.sim.exe_log_fn[0])},
322 293 markom 
 
323 294 markom 
  {7, "enabled",            "=%i",         NULL,          (void *)(&config.debug.enabled)},
324 
  {7, "gdb_enabled",        "=%i",         NULL,          (void *)(&config.debug.gdb_enabled)},
325 
  {7, "server_port",        "=%i",         NULL,          (void *)(&config.debug.server_port)},
326 
 
327 306 markom 
  {8, "enabled",            "=%i",         NULL,          (void *)(&config.vapi.enabled)},
328 304 markom 
  {8, "server_port",        "=%i",         NULL,          (void *)(&config.vapi.server_port)},
329 
 
330 306 markom 
  {9, "enabled",            "=%i",         NULL,          (void *)(&config.ethernets_enabled)},
331 
  {9, "neths",              "=%i",         NULL,          (void *)(&config.nethernets)},
332 304 markom 
  {9, "device",             "%i",          change_device, (void *)(&tempL)},
333 
  {9, "enddevice",          "",            end_device,    NULL},
334 
  {9, "baseaddr",           "=0x%x",       eth_baseaddr,  (void *)(&tempUL)},
335 305 markom 
  {9, "dma",                "=%i",         eth_dma,       (void *)(&tempL)}
336 239 markom 
};
337 
 
338 305 markom 
/* *INDENT-ON* */
339 
 
340 261 markom 
int current_device = -1;
341 
void change_device () {
342 
  current_device = tempL;
343 
}
344 
 
345 
void end_device () {
346 
  current_device = -1;
347 
}
348 
 
349 
void uart_baseaddr () {
350 
  if (current_device >= 0 && current_device < config.nuarts)
351 
    config.uarts[current_device].baseaddr = tempUL;
352 
  else {
353 
    fprintf (stderr, "ERROR: invalid device number.");
354 
    exit (-1);
355 
  }
356 
}
357 
 
358 
void uart_jitter () {
359 
  if (current_device >= 0 && current_device < config.nuarts)
360 
    config.uarts[current_device].jitter = tempL;
361 
  else {
362 
    fprintf (stderr, "ERROR: invalid device number.");
363 
    exit (-1);
364 
  }
365 
}
366 
 
367 
void uart_rxfile () {
368 
  if (current_device >= 0 && current_device < config.nuarts)
369 
    strcpy (config.uarts[current_device].rxfile, tempS);
370 
  else {
371 
    fprintf (stderr, "ERROR: invalid device number.");
372 
    exit (-1);
373 
  }
374 
}
375 
 
376 
void uart_txfile () {
377 
  if (current_device >= 0 && current_device < config.nuarts)
378 
    strcpy (config.uarts[current_device].txfile, tempS);
379 
  else {
380 
    fprintf (stderr, "ERROR: invalid device number.");
381 
    exit (-1);
382 
  }
383 
}
384 
 
385 
void dma_baseaddr () {
386 
  if (current_device >= 0 && current_device < config.ndmas)
387 
    config.dmas[current_device].baseaddr = tempUL;
388 
  else {
389 
    fprintf (stderr, "ERROR: invalid device number.");
390 
    exit (-1);
391 
  }
392 
}
393 
 
394 
void dma_irq () {
395 
  if (current_device >= 0 && current_device < config.ndmas)
396 
    config.dmas[current_device].irq = tempL;
397 
  else {
398 
    fprintf (stderr, "ERROR: invalid device number.");
399 
    exit (-1);
400 
  }
401 
}
402 
 
403 262 markom 
void memory_type () {
404 269 markom 
  if (strcmp (tempS, "unknown") == 0)
405 
    config.memory.type = MT_UNKNOWN;
406 
  else if (strcmp (tempS, "random") == 0)
407 262 markom 
    config.memory.type = MT_RANDOM;
408 
  else if (strcmp (tempS, "pattern") == 0)
409 
    config.memory.type = MT_PATTERN;
410 
  else if (strcmp (tempS, "zero") == 0) {
411 
    config.memory.type = MT_PATTERN;
412 
    config.memory.pattern = 0;
413 
  } else {
414 269 markom 
    fprintf (stderr, "ERROR: invalid memory type '%s'.\n", tempS);
415 262 markom 
    exit (-1);
416 
  }
417 
}
418 
 
419 304 markom 
void eth_baseaddr () {
420 
  if (current_device >= 0 && current_device < config.nethernets)
421 
    config.ethernets[current_device].baseaddr = tempUL;
422 
  else {
423 
    fprintf (stderr, "ERROR: invalid device number.");
424 
    exit (-1);
425 
  }
426 
}
427 
 
428 
void eth_dma () {
429 
  if (current_device >= 0 && current_device < config.nethernets)
430 306 markom 
    config.ethernets[current_device].dma = tempL;
431 304 markom 
  else {
432 
    fprintf (stderr, "ERROR: invalid device number.");
433 
    exit (-1);
434 
  }
435 
}
436 
 
437 239 markom 
/* Read environment from a script file. Does not fail - assumes defaukt configuration instead.
438 
   The syntax of script file is:
439 
   param = value
440 
   section x
441 
     data
442 
     param = value
443 
   end
444 
 
445 
   Example:
446 
   section mc
447 
     memory_table_file = sim.mem
448 
     enable = 1
449 
     POC = 0x47892344
450 
   end
451 
 
452 
 */
453 
 
454 
void read_script_file (char *filename)
455 
{
456 263 markom 
  FILE *f;
457 
  unsigned long memory_needed = 0;
458 
  char *home = getenv("HOME");
459 
  char ctmp[STR_SIZE];
460 
  int local = 1;
461 
  int section = 0;
462 239 markom 
 
463 263 markom 
  sprintf(ctmp, "%s/.or1k/%s", home, filename);
464 
  if ((f = fopen (filename, "rt")) != NULL
465 
      || home != NULL && !(local = 0) && (f = fopen (ctmp, "rt")) != NULL) {
466 
    unsigned long start, length;
467 
    char type[STR_SIZE];
468 
    int nparam;
469 
    int rd, wd;
470 
    printf ("Reading script file from '%s':\n", local ? filename : ctmp);
471 239 markom 
    while (!feof(f)) {
472 
      char param[STR_SIZE];
473 
      if (fscanf(f, "%s ", &param) != 1) break;
474 
      /* Is this a sections? */
475 
      if (strcmp (param, "section") == 0) {
476 
        int i;
477 
        section = 0;
478 
        if (fscanf (f, "%s\n", &param) != 1) {
479 
          fprintf (stderr, "%s: ERROR: Section name required.\n", local ? filename : ctmp);
480 
          exit (-1);
481 
        }
482 294 markom 
        for (i = 1; i < sizeof(sections) / sizeof(struct section); i++)
483 261 markom 
          if (strcmp (sections[i].name, param) == 0) {
484 239 markom 
            section = i;
485 
            break;
486 
          }
487 
        if (!section) {
488 
          fprintf (stderr, "%s: WARNING: Unknown section: %s; ignoring.\n", local ? filename : ctmp, param);
489 
          /* just skip section */
490 
          while (fscanf (f, "%s\n", &param) != 1 && strcmp (param, "end"));
491 
        }
492 
      } else if (strcmp (param, "end") == 0) {
493 
        section = 0;
494 264 markom 
      } else if (strncmp (param, "/*", 2) == 0) {
495 261 markom 
        char c0 = 0, c1 = 0;
496 264 markom 
        while (c0 != '*' || c1 != '/') {
497 261 markom 
          c0 = c1;
498 
          c1 = fgetc(f);
499 
          if (feof(f)) {
500 
            fprintf (stderr, "%s: ERROR: Comment reached EOF.\n", local ? filename : ctmp);
501 
            exit (-1);
502 
          }
503 
        }
504 239 markom 
      } else {
505 
        int i, found = -1;
506 
        for (i = 0; i < sizeof(config_params)/sizeof(struct config_params); i++)
507 
          if (config_params[i].section == section && strcmp (config_params[i].name, param) == 0) {
508 
            found = i;
509 
            break;
510 
          }
511 
        if (found < 0) {
512 
          fprintf (stderr, "%s: WARNING: Invalid parameter: %s; ignoring.\n", local ? filename : ctmp, param);
513 294 markom 
          while (fgetc(f) != '\n' || feof(f));
514 239 markom 
          continue;
515 
        }
516 
 
517 
        /* Parse parameter value */
518 
        {
519 294 markom 
          if (config_params[found].type[0])
520 
            if(fscanf_ex (f, config_params[found].type, config_params[found].addr))
521 
              exit (1);
522 239 markom 
        }
523 262 markom 
        if (config_params[found].func)
524 
          config_params[found].func();
525 239 markom 
      }
526 
    }
527 263 markom 
    fclose (f);
528 
  } else {
529 
    fprintf (stderr, "Cannot read script file from '%s',\nneither '%s'; assuming standard configuration.\n", filename, ctmp);
530 
  }
531 103 lampret 
 
532 263 markom 
  /* Initialize memory table.  */
533 
  sim_read_memory_table (config.memory.memory_table_file);
534 7 jrydberg 
}

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