Commit | Line | Data |
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296730a5 MF |
1 | /* This file is part of SIS (SPARC instruction simulator) |
2 | ||
42a4f53d | 3 | Copyright (C) 1995-2019 Free Software Foundation, Inc. |
296730a5 | 4 | Contributed by Jiri Gaisler, European Space Agency |
17d88f73 JB |
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 3 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, see <http://www.gnu.org/licenses/>. */ | |
c906108c | 18 | |
5272643f | 19 | #include "config.h" |
c906108c SS |
20 | #include <signal.h> |
21 | #include <string.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <ctype.h> | |
25 | #include "sis.h" | |
c906108c SS |
26 | #include <dis-asm.h> |
27 | #include "sim-config.h" | |
638fcdad | 28 | #include <inttypes.h> |
c906108c | 29 | |
c906108c SS |
30 | #define VAL(x) strtoul(x,(char **)NULL,0) |
31 | ||
c906108c SS |
32 | struct disassemble_info dinfo; |
33 | struct pstate sregs; | |
34 | extern struct estate ebase; | |
35 | int ctrl_c = 0; | |
36 | int sis_verbose = 0; | |
37 | char *sis_version = "2.7.5"; | |
38 | int nfp = 0; | |
39 | int ift = 0; | |
40 | int wrp = 0; | |
41 | int rom8 = 0; | |
42 | int uben = 0; | |
43 | int termsave; | |
44 | int sparclite = 0; /* emulating SPARClite instructions? */ | |
45 | int sparclite_board = 0; /* emulating SPARClite board RAM? */ | |
46 | char uart_dev1[128] = ""; | |
47 | char uart_dev2[128] = ""; | |
48 | extern int ext_irl; | |
49 | uint32 last_load_addr = 0; | |
50 | ||
51 | #ifdef ERRINJ | |
52 | uint32 errcnt = 0; | |
53 | uint32 errper = 0; | |
54 | uint32 errtt = 0; | |
55 | uint32 errftt = 0; | |
56 | uint32 errmec = 0; | |
57 | #endif | |
58 | ||
59 | /* Forward declarations */ | |
60 | ||
bdca5ee4 TT |
61 | static int batch (struct pstate *sregs, char *fname); |
62 | static void set_rega (struct pstate *sregs, char *reg, uint32 rval); | |
63 | static void disp_reg (struct pstate *sregs, char *reg); | |
64 | static uint32 limcalc (float32 freq); | |
65 | static void int_handler (int32 sig); | |
66 | static void init_event (void); | |
67 | static int disp_fpu (struct pstate *sregs); | |
68 | static void disp_regs (struct pstate *sregs, int cwp); | |
69 | static void disp_ctrl (struct pstate *sregs); | |
70 | static void disp_mem (uint32 addr, uint32 len); | |
c906108c SS |
71 | |
72 | static int | |
73 | batch(sregs, fname) | |
74 | struct pstate *sregs; | |
75 | char *fname; | |
76 | { | |
77 | FILE *fp; | |
b9f9ea2f JG |
78 | char *lbuf = NULL; |
79 | size_t len = 0; | |
80 | size_t slen; | |
c906108c SS |
81 | |
82 | if ((fp = fopen(fname, "r")) == NULL) { | |
83 | fprintf(stderr, "couldn't open batch file %s\n", fname); | |
5831e29b | 84 | return 0; |
c906108c | 85 | } |
b9f9ea2f JG |
86 | while (getline(&lbuf, &len, fp) > -1) { |
87 | slen = strlen(lbuf); | |
88 | if (slen && (lbuf[slen - 1] == '\n')) { | |
89 | lbuf[slen - 1] = 0; | |
90 | printf("sis> %s\n", lbuf); | |
91 | exec_cmd(sregs, lbuf); | |
92 | } | |
c906108c | 93 | } |
b9f9ea2f | 94 | free(lbuf); |
c906108c | 95 | fclose(fp); |
5831e29b | 96 | return 1; |
c906108c SS |
97 | } |
98 | ||
99 | void | |
100 | set_regi(sregs, reg, rval) | |
101 | struct pstate *sregs; | |
102 | int32 reg; | |
103 | uint32 rval; | |
104 | { | |
105 | uint32 cwp; | |
106 | ||
107 | cwp = ((sregs->psr & 0x7) << 4); | |
108 | if ((reg > 0) && (reg < 8)) { | |
109 | sregs->g[reg] = rval; | |
110 | } else if ((reg >= 8) && (reg < 32)) { | |
111 | sregs->r[(cwp + reg) & 0x7f] = rval; | |
112 | } else if ((reg >= 32) && (reg < 64)) { | |
113 | sregs->fsi[reg - 32] = rval; | |
114 | } else { | |
115 | switch (reg) { | |
116 | case 64: | |
117 | sregs->y = rval; | |
118 | break; | |
119 | case 65: | |
120 | sregs->psr = rval; | |
121 | break; | |
122 | case 66: | |
123 | sregs->wim = rval; | |
124 | break; | |
125 | case 67: | |
126 | sregs->tbr = rval; | |
127 | break; | |
128 | case 68: | |
129 | sregs->pc = rval; | |
130 | break; | |
131 | case 69: | |
132 | sregs->npc = rval; | |
133 | break; | |
134 | case 70: | |
135 | sregs->fsr = rval; | |
136 | set_fsr(rval); | |
137 | break; | |
138 | default:break; | |
139 | } | |
140 | } | |
141 | } | |
142 | ||
143 | void | |
144 | get_regi(struct pstate * sregs, int32 reg, char *buf) | |
145 | { | |
146 | uint32 cwp; | |
147 | uint32 rval = 0; | |
148 | ||
149 | cwp = ((sregs->psr & 0x7) << 4); | |
150 | if ((reg >= 0) && (reg < 8)) { | |
151 | rval = sregs->g[reg]; | |
152 | } else if ((reg >= 8) && (reg < 32)) { | |
153 | rval = sregs->r[(cwp + reg) & 0x7f]; | |
154 | } else if ((reg >= 32) && (reg < 64)) { | |
155 | rval = sregs->fsi[reg - 32]; | |
156 | } else { | |
157 | switch (reg) { | |
158 | case 64: | |
159 | rval = sregs->y; | |
160 | break; | |
161 | case 65: | |
162 | rval = sregs->psr; | |
163 | break; | |
164 | case 66: | |
165 | rval = sregs->wim; | |
166 | break; | |
167 | case 67: | |
168 | rval = sregs->tbr; | |
169 | break; | |
170 | case 68: | |
171 | rval = sregs->pc; | |
172 | break; | |
173 | case 69: | |
174 | rval = sregs->npc; | |
175 | break; | |
176 | case 70: | |
177 | rval = sregs->fsr; | |
178 | break; | |
179 | default:break; | |
180 | } | |
181 | } | |
d3e9b40a JG |
182 | buf[0] = (rval >> 24) & 0x0ff; |
183 | buf[1] = (rval >> 16) & 0x0ff; | |
184 | buf[2] = (rval >> 8) & 0x0ff; | |
185 | buf[3] = rval & 0x0ff; | |
c906108c SS |
186 | } |
187 | ||
188 | ||
189 | static void | |
190 | set_rega(sregs, reg, rval) | |
191 | struct pstate *sregs; | |
192 | char *reg; | |
193 | uint32 rval; | |
194 | { | |
195 | uint32 cwp; | |
196 | int32 err = 0; | |
197 | ||
198 | cwp = ((sregs->psr & 0x7) << 4); | |
199 | if (strcmp(reg, "psr") == 0) | |
200 | sregs->psr = (rval = (rval & 0x00f03fff)); | |
201 | else if (strcmp(reg, "tbr") == 0) | |
202 | sregs->tbr = (rval = (rval & 0xfffffff0)); | |
203 | else if (strcmp(reg, "wim") == 0) | |
204 | sregs->wim = (rval = (rval & 0x0ff)); | |
205 | else if (strcmp(reg, "y") == 0) | |
206 | sregs->y = rval; | |
207 | else if (strcmp(reg, "pc") == 0) | |
208 | sregs->pc = rval; | |
209 | else if (strcmp(reg, "npc") == 0) | |
210 | sregs->npc = rval; | |
211 | else if (strcmp(reg, "fsr") == 0) { | |
212 | sregs->fsr = rval; | |
213 | set_fsr(rval); | |
214 | } else if (strcmp(reg, "g0") == 0) | |
215 | err = 2; | |
216 | else if (strcmp(reg, "g1") == 0) | |
217 | sregs->g[1] = rval; | |
218 | else if (strcmp(reg, "g2") == 0) | |
219 | sregs->g[2] = rval; | |
220 | else if (strcmp(reg, "g3") == 0) | |
221 | sregs->g[3] = rval; | |
222 | else if (strcmp(reg, "g4") == 0) | |
223 | sregs->g[4] = rval; | |
224 | else if (strcmp(reg, "g5") == 0) | |
225 | sregs->g[5] = rval; | |
226 | else if (strcmp(reg, "g6") == 0) | |
227 | sregs->g[6] = rval; | |
228 | else if (strcmp(reg, "g7") == 0) | |
229 | sregs->g[7] = rval; | |
230 | else if (strcmp(reg, "o0") == 0) | |
231 | sregs->r[(cwp + 8) & 0x7f] = rval; | |
232 | else if (strcmp(reg, "o1") == 0) | |
233 | sregs->r[(cwp + 9) & 0x7f] = rval; | |
234 | else if (strcmp(reg, "o2") == 0) | |
235 | sregs->r[(cwp + 10) & 0x7f] = rval; | |
236 | else if (strcmp(reg, "o3") == 0) | |
237 | sregs->r[(cwp + 11) & 0x7f] = rval; | |
238 | else if (strcmp(reg, "o4") == 0) | |
239 | sregs->r[(cwp + 12) & 0x7f] = rval; | |
240 | else if (strcmp(reg, "o5") == 0) | |
241 | sregs->r[(cwp + 13) & 0x7f] = rval; | |
242 | else if (strcmp(reg, "o6") == 0) | |
243 | sregs->r[(cwp + 14) & 0x7f] = rval; | |
244 | else if (strcmp(reg, "o7") == 0) | |
245 | sregs->r[(cwp + 15) & 0x7f] = rval; | |
246 | else if (strcmp(reg, "l0") == 0) | |
247 | sregs->r[(cwp + 16) & 0x7f] = rval; | |
248 | else if (strcmp(reg, "l1") == 0) | |
249 | sregs->r[(cwp + 17) & 0x7f] = rval; | |
250 | else if (strcmp(reg, "l2") == 0) | |
251 | sregs->r[(cwp + 18) & 0x7f] = rval; | |
252 | else if (strcmp(reg, "l3") == 0) | |
253 | sregs->r[(cwp + 19) & 0x7f] = rval; | |
254 | else if (strcmp(reg, "l4") == 0) | |
255 | sregs->r[(cwp + 20) & 0x7f] = rval; | |
256 | else if (strcmp(reg, "l5") == 0) | |
257 | sregs->r[(cwp + 21) & 0x7f] = rval; | |
258 | else if (strcmp(reg, "l6") == 0) | |
259 | sregs->r[(cwp + 22) & 0x7f] = rval; | |
260 | else if (strcmp(reg, "l7") == 0) | |
261 | sregs->r[(cwp + 23) & 0x7f] = rval; | |
262 | else if (strcmp(reg, "i0") == 0) | |
263 | sregs->r[(cwp + 24) & 0x7f] = rval; | |
264 | else if (strcmp(reg, "i1") == 0) | |
265 | sregs->r[(cwp + 25) & 0x7f] = rval; | |
266 | else if (strcmp(reg, "i2") == 0) | |
267 | sregs->r[(cwp + 26) & 0x7f] = rval; | |
268 | else if (strcmp(reg, "i3") == 0) | |
269 | sregs->r[(cwp + 27) & 0x7f] = rval; | |
270 | else if (strcmp(reg, "i4") == 0) | |
271 | sregs->r[(cwp + 28) & 0x7f] = rval; | |
272 | else if (strcmp(reg, "i5") == 0) | |
273 | sregs->r[(cwp + 29) & 0x7f] = rval; | |
274 | else if (strcmp(reg, "i6") == 0) | |
275 | sregs->r[(cwp + 30) & 0x7f] = rval; | |
276 | else if (strcmp(reg, "i7") == 0) | |
277 | sregs->r[(cwp + 31) & 0x7f] = rval; | |
278 | else | |
279 | err = 1; | |
280 | switch (err) { | |
281 | case 0: | |
282 | printf("%s = %d (0x%08x)\n", reg, rval, rval); | |
283 | break; | |
284 | case 1: | |
285 | printf("no such regiser: %s\n", reg); | |
286 | break; | |
287 | case 2: | |
288 | printf("cannot set g0\n"); | |
289 | break; | |
290 | default: | |
291 | break; | |
292 | } | |
293 | ||
294 | } | |
295 | ||
296 | static void | |
297 | disp_reg(sregs, reg) | |
298 | struct pstate *sregs; | |
299 | char *reg; | |
300 | { | |
301 | if (strncmp(reg, "w",1) == 0) | |
302 | disp_regs(sregs, VAL(®[1])); | |
303 | } | |
304 | ||
305 | #ifdef ERRINJ | |
306 | ||
307 | void | |
308 | errinj() | |
309 | { | |
310 | int err; | |
311 | ||
312 | switch (err = (random() % 12)) { | |
313 | case 0: errtt = 0x61; break; | |
314 | case 1: errtt = 0x62; break; | |
315 | case 2: errtt = 0x63; break; | |
316 | case 3: errtt = 0x64; break; | |
317 | case 4: errtt = 0x65; break; | |
318 | case 5: | |
319 | case 6: | |
320 | case 7: errftt = err; | |
321 | break; | |
322 | case 8: errmec = 1; break; | |
323 | case 9: errmec = 2; break; | |
324 | case 10: errmec = 5; break; | |
325 | case 11: errmec = 6; break; | |
326 | } | |
327 | errcnt++; | |
328 | if (errper) event(errinj, 0, (random()%errper)); | |
329 | } | |
330 | ||
331 | void | |
332 | errinjstart() | |
333 | { | |
334 | if (errper) event(errinj, 0, (random()%errper)); | |
335 | } | |
336 | ||
337 | #endif | |
338 | ||
339 | static uint32 | |
340 | limcalc (freq) | |
341 | float32 freq; | |
342 | { | |
343 | uint32 unit, lim; | |
344 | double flim; | |
345 | char *cmd1, *cmd2; | |
346 | ||
347 | unit = 1; | |
348 | lim = -1; | |
349 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
350 | lim = VAL(cmd1); | |
351 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
352 | if (strcmp(cmd2,"us")==0) unit = 1; | |
353 | if (strcmp(cmd2,"ms")==0) unit = 1000; | |
354 | if (strcmp(cmd2,"s")==0) unit = 1000000; | |
355 | } | |
356 | flim = (double) lim * (double) unit * (double) freq + | |
357 | (double) ebase.simtime; | |
358 | if ((flim > ebase.simtime) && (flim < 4294967296.0)) { | |
359 | lim = (uint32) flim; | |
360 | } else { | |
361 | printf("error in expression\n"); | |
362 | lim = -1; | |
363 | } | |
364 | } | |
5831e29b | 365 | return lim; |
c906108c | 366 | } |
510d2751 | 367 | |
c906108c | 368 | int |
510d2751 | 369 | exec_cmd(struct pstate *sregs, const char *cmd) |
c906108c SS |
370 | { |
371 | char *cmd1, *cmd2; | |
372 | int32 stat; | |
373 | uint32 len, i, clen, j; | |
374 | static uint32 daddr = 0; | |
510d2751 | 375 | char *cmdsave, *cmdsave2 = NULL; |
c906108c SS |
376 | |
377 | stat = OK; | |
378 | cmdsave = strdup(cmd); | |
510d2751 JG |
379 | cmdsave2 = strdup (cmd); |
380 | if ((cmd1 = strtok (cmdsave2, " \t")) != NULL) { | |
c906108c SS |
381 | clen = strlen(cmd1); |
382 | if (strncmp(cmd1, "bp", clen) == 0) { | |
383 | for (i = 0; i < sregs->bptnum; i++) { | |
384 | printf(" %d : 0x%08x\n", i + 1, sregs->bpts[i]); | |
385 | } | |
386 | } else if (strncmp(cmd1, "+bp", clen) == 0) { | |
387 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
388 | sregs->bpts[sregs->bptnum] = VAL(cmd1) & ~0x3; | |
389 | printf("added breakpoint %d at 0x%08x\n", | |
390 | sregs->bptnum + 1, sregs->bpts[sregs->bptnum]); | |
391 | sregs->bptnum += 1; | |
392 | } | |
393 | } else if (strncmp(cmd1, "-bp", clen) == 0) { | |
394 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
395 | i = VAL(cmd1) - 1; | |
396 | if ((i >= 0) && (i < sregs->bptnum)) { | |
397 | printf("deleted breakpoint %d at 0x%08x\n", i + 1, | |
398 | sregs->bpts[i]); | |
399 | for (; i < sregs->bptnum - 1; i++) { | |
400 | sregs->bpts[i] = sregs->bpts[i + 1]; | |
401 | } | |
402 | sregs->bptnum -= 1; | |
403 | } | |
404 | } | |
405 | } else if (strncmp(cmd1, "batch", clen) == 0) { | |
406 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
407 | printf("no file specified\n"); | |
408 | } else { | |
409 | batch(sregs, cmd1); | |
410 | } | |
411 | } else if (strncmp(cmd1, "cont", clen) == 0) { | |
412 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 413 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
414 | } else { |
415 | stat = run_sim(sregs, VAL(cmd1), 0); | |
416 | } | |
417 | daddr = sregs->pc; | |
418 | sim_halt(); | |
419 | } else if (strncmp(cmd1, "debug", clen) == 0) { | |
420 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
421 | sis_verbose = VAL(cmd1); | |
422 | } | |
423 | printf("Debug level = %d\n",sis_verbose); | |
424 | } else if (strncmp(cmd1, "dis", clen) == 0) { | |
425 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
426 | daddr = VAL(cmd1); | |
427 | } | |
428 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
429 | len = VAL(cmd2); | |
430 | } else | |
431 | len = 16; | |
432 | printf("\n"); | |
433 | dis_mem(daddr, len, &dinfo); | |
434 | printf("\n"); | |
435 | daddr += len * 4; | |
436 | } else if (strncmp(cmd1, "echo", clen) == 0) { | |
437 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
438 | printf("%s\n", (&cmdsave[clen+1])); | |
439 | } | |
440 | #ifdef ERRINJ | |
441 | } else if (strncmp(cmd1, "error", clen) == 0) { | |
442 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
443 | errper = VAL(cmd1); | |
444 | if (errper) { | |
445 | event(errinj, 0, (len = (random()%errper))); | |
446 | printf("Error injection started with period %d\n",len); | |
447 | } | |
448 | } else printf("Injected errors: %d\n",errcnt); | |
449 | #endif | |
450 | } else if (strncmp(cmd1, "float", clen) == 0) { | |
451 | stat = disp_fpu(sregs); | |
452 | } else if (strncmp(cmd1, "go", clen) == 0) { | |
453 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
454 | len = last_load_addr; | |
455 | } else { | |
456 | len = VAL(cmd1); | |
457 | } | |
458 | sregs->pc = len & ~3; | |
459 | sregs->npc = sregs->pc + 4; | |
20a0ffe3 JG |
460 | if ((sregs->pc != 0) && (ebase.simtime == 0)) |
461 | boot_init(); | |
c906108c SS |
462 | printf("resuming at 0x%08x\n",sregs->pc); |
463 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
464 | stat = run_sim(sregs, VAL(cmd2), 0); | |
465 | } else { | |
94110024 | 466 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
467 | } |
468 | daddr = sregs->pc; | |
469 | sim_halt(); | |
470 | } else if (strncmp(cmd1, "help", clen) == 0) { | |
471 | gen_help(); | |
472 | } else if (strncmp(cmd1, "history", clen) == 0) { | |
473 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
474 | sregs->histlen = VAL(cmd1); | |
475 | if (sregs->histbuf != NULL) | |
476 | free(sregs->histbuf); | |
477 | sregs->histbuf = (struct histype *) calloc(sregs->histlen, sizeof(struct histype)); | |
478 | printf("trace history length = %d\n\r", sregs->histlen); | |
479 | sregs->histind = 0; | |
480 | ||
481 | } else { | |
482 | j = sregs->histind; | |
483 | for (i = 0; i < sregs->histlen; i++) { | |
484 | if (j >= sregs->histlen) | |
485 | j = 0; | |
486 | printf(" %8d ", sregs->histbuf[j].time); | |
487 | dis_mem(sregs->histbuf[j].addr, 1, &dinfo); | |
488 | j++; | |
489 | } | |
490 | } | |
491 | ||
492 | } else if (strncmp(cmd1, "load", clen) == 0) { | |
493 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
494 | last_load_addr = bfd_load(cmd1); | |
495 | while ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
496 | last_load_addr = bfd_load(cmd1); | |
497 | } else { | |
498 | printf("load: no file specified\n"); | |
499 | } | |
500 | } else if (strncmp(cmd1, "mem", clen) == 0) { | |
501 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
502 | daddr = VAL(cmd1); | |
503 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) | |
504 | len = VAL(cmd2); | |
505 | else | |
506 | len = 64; | |
507 | disp_mem(daddr, len); | |
508 | daddr += len; | |
509 | } else if (strncmp(cmd1, "perf", clen) == 0) { | |
510 | cmd1 = strtok(NULL, " \t\n\r"); | |
511 | if ((cmd1 != NULL) && | |
512 | (strncmp(cmd1, "reset", strlen(cmd1)) == 0)) { | |
513 | reset_stat(sregs); | |
514 | } else | |
515 | show_stat(sregs); | |
516 | } else if (strncmp(cmd1, "quit", clen) == 0) { | |
517 | exit(0); | |
518 | } else if (strncmp(cmd1, "reg", clen) == 0) { | |
519 | cmd1 = strtok(NULL, " \t\n\r"); | |
520 | cmd2 = strtok(NULL, " \t\n\r"); | |
521 | if (cmd2 != NULL) | |
522 | set_rega(sregs, cmd1, VAL(cmd2)); | |
523 | else if (cmd1 != NULL) | |
524 | disp_reg(sregs, cmd1); | |
525 | else { | |
526 | disp_regs(sregs,sregs->psr); | |
527 | disp_ctrl(sregs); | |
528 | } | |
529 | } else if (strncmp(cmd1, "reset", clen) == 0) { | |
530 | ebase.simtime = 0; | |
531 | reset_all(); | |
532 | reset_stat(sregs); | |
533 | } else if (strncmp(cmd1, "run", clen) == 0) { | |
534 | ebase.simtime = 0; | |
535 | reset_all(); | |
536 | reset_stat(sregs); | |
537 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 538 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
539 | } else { |
540 | stat = run_sim(sregs, VAL(cmd1), 0); | |
541 | } | |
542 | daddr = sregs->pc; | |
543 | sim_halt(); | |
544 | } else if (strncmp(cmd1, "shell", clen) == 0) { | |
545 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
b9f9ea2f JG |
546 | if (system(&cmdsave[clen])) { |
547 | /* Silence unused return value warning. */ | |
548 | } | |
c906108c SS |
549 | } |
550 | } else if (strncmp(cmd1, "step", clen) == 0) { | |
551 | stat = run_sim(sregs, 1, 1); | |
552 | daddr = sregs->pc; | |
553 | sim_halt(); | |
554 | } else if (strncmp(cmd1, "tcont", clen) == 0) { | |
555 | sregs->tlimit = limcalc(sregs->freq); | |
94110024 | 556 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
557 | daddr = sregs->pc; |
558 | sim_halt(); | |
559 | } else if (strncmp(cmd1, "tgo", clen) == 0) { | |
560 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
561 | len = last_load_addr; | |
562 | } else { | |
563 | len = VAL(cmd1); | |
564 | sregs->tlimit = limcalc(sregs->freq); | |
565 | } | |
566 | sregs->pc = len & ~3; | |
567 | sregs->npc = sregs->pc + 4; | |
568 | printf("resuming at 0x%08x\n",sregs->pc); | |
94110024 | 569 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
570 | daddr = sregs->pc; |
571 | sim_halt(); | |
572 | } else if (strncmp(cmd1, "tlimit", clen) == 0) { | |
573 | sregs->tlimit = limcalc(sregs->freq); | |
574 | if (sregs->tlimit != (uint32) -1) | |
575 | printf("simulation limit = %u (%.3f ms)\n",(uint32) sregs->tlimit, | |
576 | sregs->tlimit / sregs->freq / 1000); | |
577 | } else if (strncmp(cmd1, "tra", clen) == 0) { | |
578 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 579 | stat = run_sim(sregs, UINT64_MAX, 1); |
c906108c SS |
580 | } else { |
581 | stat = run_sim(sregs, VAL(cmd1), 1); | |
582 | } | |
583 | printf("\n"); | |
584 | daddr = sregs->pc; | |
585 | sim_halt(); | |
586 | } else if (strncmp(cmd1, "trun", clen) == 0) { | |
587 | ebase.simtime = 0; | |
588 | reset_all(); | |
589 | reset_stat(sregs); | |
590 | sregs->tlimit = limcalc(sregs->freq); | |
94110024 | 591 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
592 | daddr = sregs->pc; |
593 | sim_halt(); | |
594 | } else | |
595 | printf("syntax error\n"); | |
596 | } | |
510d2751 JG |
597 | if (cmdsave2 != NULL) |
598 | free(cmdsave2); | |
c906108c SS |
599 | if (cmdsave != NULL) |
600 | free(cmdsave); | |
5831e29b | 601 | return stat; |
c906108c SS |
602 | } |
603 | ||
604 | ||
605 | void | |
606 | reset_stat(sregs) | |
607 | struct pstate *sregs; | |
608 | { | |
96d67095 | 609 | sregs->tottime = 0.0; |
c906108c SS |
610 | sregs->pwdtime = 0; |
611 | sregs->ninst = 0; | |
612 | sregs->fholdt = 0; | |
613 | sregs->holdt = 0; | |
614 | sregs->icntt = 0; | |
615 | sregs->finst = 0; | |
616 | sregs->nstore = 0; | |
617 | sregs->nload = 0; | |
618 | sregs->nbranch = 0; | |
619 | sregs->simstart = ebase.simtime; | |
620 | ||
621 | } | |
622 | ||
623 | void | |
624 | show_stat(sregs) | |
625 | struct pstate *sregs; | |
626 | { | |
627 | uint32 iinst; | |
96d67095 | 628 | uint32 stime; |
c906108c | 629 | |
96d67095 JG |
630 | if (sregs->tottime == 0.0) |
631 | sregs->tottime += 1E-6; | |
c906108c SS |
632 | stime = ebase.simtime - sregs->simstart; /* Total simulated time */ |
633 | #ifdef STAT | |
634 | ||
635 | iinst = sregs->ninst - sregs->finst - sregs->nload - sregs->nstore - | |
636 | sregs->nbranch; | |
637 | #endif | |
638 | ||
638fcdad JG |
639 | printf("\n Cycles : %9" PRIu64 "\n\r", ebase.simtime - sregs->simstart); |
640 | printf(" Instructions : %9" PRIu64 "\n", sregs->ninst); | |
c906108c SS |
641 | |
642 | #ifdef STAT | |
643 | printf(" integer : %9.2f %%\n", 100.0 * (float) iinst / (float) sregs->ninst); | |
644 | printf(" load : %9.2f %%\n", | |
645 | 100.0 * (float) sregs->nload / (float) sregs->ninst); | |
646 | printf(" store : %9.2f %%\n", | |
647 | 100.0 * (float) sregs->nstore / (float) sregs->ninst); | |
648 | printf(" branch : %9.2f %%\n", | |
649 | 100.0 * (float) sregs->nbranch / (float) sregs->ninst); | |
650 | printf(" float : %9.2f %%\n", | |
651 | 100.0 * (float) sregs->finst / (float) sregs->ninst); | |
652 | printf(" Integer CPI : %9.2f\n", | |
653 | ((float) (stime - sregs->pwdtime - sregs->fholdt - sregs->finst)) | |
654 | / | |
655 | (float) (sregs->ninst - sregs->finst)); | |
656 | printf(" Float CPI : %9.2f\n", | |
657 | ((float) sregs->fholdt / (float) sregs->finst) + 1.0); | |
658 | #endif | |
659 | printf(" Overall CPI : %9.2f\n", | |
660 | (float) (stime - sregs->pwdtime) / (float) sregs->ninst); | |
661 | printf("\n ERC32 performance (%4.1f MHz): %5.2f MOPS (%5.2f MIPS, %5.2f MFLOPS)\n", | |
662 | sregs->freq, sregs->freq * (float) sregs->ninst / (float) (stime - sregs->pwdtime), | |
663 | sregs->freq * (float) (sregs->ninst - sregs->finst) / | |
664 | (float) (stime - sregs->pwdtime), | |
665 | sregs->freq * (float) sregs->finst / (float) (stime - sregs->pwdtime)); | |
96d67095 JG |
666 | printf(" Simulated ERC32 time : %.2f s\n", |
667 | (float) (ebase.simtime - sregs->simstart) / 1000000.0 / sregs->freq); | |
668 | printf(" Processor utilisation : %.2f %%\n", | |
669 | 100.0 * (1.0 - ((float) sregs->pwdtime / (float) stime))); | |
670 | printf(" Real-time performance : %.2f %%\n", | |
671 | 100.0 / (sregs->tottime / ((double) (stime) / (sregs->freq * 1.0E6)))); | |
672 | printf(" Simulator performance : %.2f MIPS\n", | |
673 | (double)(sregs->ninst) / sregs->tottime / 1E6); | |
674 | printf(" Used time (sys + user) : %.2f s\n\n", sregs->tottime); | |
c906108c SS |
675 | } |
676 | ||
677 | ||
678 | ||
679 | void | |
680 | init_bpt(sregs) | |
681 | struct pstate *sregs; | |
682 | { | |
683 | sregs->bptnum = 0; | |
684 | sregs->histlen = 0; | |
685 | sregs->histind = 0; | |
686 | sregs->histbuf = NULL; | |
687 | sregs->tlimit = -1; | |
688 | } | |
689 | ||
690 | static void | |
691 | int_handler(sig) | |
692 | int32 sig; | |
693 | { | |
694 | if (sig != 2) | |
695 | printf("\n\n Signal handler error (%d)\n\n", sig); | |
696 | ctrl_c = 1; | |
697 | } | |
698 | ||
699 | void | |
700 | init_signals() | |
701 | { | |
702 | typedef void (*PFI) (); | |
703 | static PFI int_tab[2]; | |
704 | ||
705 | int_tab[0] = signal(SIGTERM, int_handler); | |
706 | int_tab[1] = signal(SIGINT, int_handler); | |
707 | } | |
708 | ||
709 | ||
710 | extern struct disassemble_info dinfo; | |
711 | ||
712 | struct estate ebase; | |
713 | struct evcell evbuf[EVENT_MAX]; | |
714 | struct irqcell irqarr[16]; | |
715 | ||
716 | static int | |
717 | disp_fpu(sregs) | |
718 | struct pstate *sregs; | |
719 | { | |
720 | ||
721 | int i; | |
722 | float t; | |
723 | ||
724 | printf("\n fsr: %08X\n\n", sregs->fsr); | |
725 | ||
9c5f41df | 726 | #ifdef HOST_LITTLE_ENDIAN |
c906108c SS |
727 | for (i = 0; i < 32; i++) |
728 | sregs->fdp[i ^ 1] = sregs->fs[i]; | |
729 | #endif | |
730 | ||
731 | for (i = 0; i < 32; i++) { | |
732 | t = sregs->fs[i]; | |
733 | printf(" f%02d %08x %14e ", i, sregs->fsi[i], sregs->fs[i]); | |
734 | if (!(i & 1)) | |
735 | printf("%14e\n", sregs->fd[i >> 1]); | |
736 | else | |
737 | printf("\n"); | |
738 | } | |
739 | printf("\n"); | |
5831e29b | 740 | return OK; |
c906108c SS |
741 | } |
742 | ||
743 | static void | |
744 | disp_regs(sregs,cwp) | |
745 | struct pstate *sregs; | |
746 | int cwp; | |
747 | { | |
748 | ||
749 | int i; | |
750 | ||
751 | cwp = ((cwp & 0x7) << 4); | |
752 | printf("\n\t INS LOCALS OUTS GLOBALS\n"); | |
753 | for (i = 0; i < 8; i++) { | |
754 | printf(" %d: %08X %08X %08X %08X\n", i, | |
755 | sregs->r[(cwp + i + 24) & 0x7f], | |
756 | sregs->r[(cwp + i + 16) & 0x7f], sregs->r[(cwp + i + 8) & 0x7f], | |
757 | sregs->g[i]); | |
758 | } | |
759 | } | |
760 | ||
53b5af48 JG |
761 | static void print_insn_sparc_sis(uint32 addr, struct disassemble_info *info) |
762 | { | |
763 | unsigned char i[4]; | |
764 | ||
765 | sis_memory_read(addr, i, 4); | |
766 | dinfo.buffer_vma = addr; | |
767 | dinfo.buffer_length = 4; | |
768 | dinfo.buffer = i; | |
769 | print_insn_sparc(addr, info); | |
770 | } | |
771 | ||
c906108c SS |
772 | static void |
773 | disp_ctrl(sregs) | |
774 | struct pstate *sregs; | |
775 | { | |
776 | ||
d3e9b40a | 777 | uint32 i; |
c906108c SS |
778 | |
779 | printf("\n psr: %08X wim: %08X tbr: %08X y: %08X\n", | |
780 | sregs->psr, sregs->wim, sregs->tbr, sregs->y); | |
d3e9b40a JG |
781 | sis_memory_read (sregs->pc, (char *) &i, 4); |
782 | printf ("\n pc: %08X = %08X ", sregs->pc, i); | |
53b5af48 | 783 | print_insn_sparc_sis(sregs->pc, &dinfo); |
d3e9b40a JG |
784 | sis_memory_read (sregs->npc, (char *) &i, 4); |
785 | printf ("\n npc: %08X = %08X ", sregs->npc, i); | |
53b5af48 | 786 | print_insn_sparc_sis(sregs->npc, &dinfo); |
c906108c SS |
787 | if (sregs->err_mode) |
788 | printf("\n IU in error mode"); | |
789 | printf("\n\n"); | |
790 | } | |
791 | ||
792 | static void | |
793 | disp_mem(addr, len) | |
794 | uint32 addr; | |
795 | uint32 len; | |
796 | { | |
797 | ||
798 | uint32 i; | |
d3e9b40a JG |
799 | union { |
800 | unsigned char u8[4]; | |
801 | uint32 u32; | |
802 | } data; | |
c906108c SS |
803 | uint32 mem[4], j; |
804 | char *p; | |
805 | ||
806 | for (i = addr & ~3; i < ((addr + len) & ~3); i += 16) { | |
807 | printf("\n %8X ", i); | |
808 | for (j = 0; j < 4; j++) { | |
d3e9b40a JG |
809 | sis_memory_read ((i + (j * 4)), data.u8, 4); |
810 | printf ("%08x ", data.u32); | |
811 | mem[j] = data.u32; | |
c906108c SS |
812 | } |
813 | printf(" "); | |
814 | p = (char *) mem; | |
815 | for (j = 0; j < 16; j++) { | |
d3e9b40a JG |
816 | if (isprint (p[j ^ EBT])) |
817 | putchar (p[j ^ EBT]); | |
c906108c SS |
818 | else |
819 | putchar('.'); | |
820 | } | |
821 | } | |
822 | printf("\n\n"); | |
823 | } | |
824 | ||
825 | void | |
826 | dis_mem(addr, len, info) | |
827 | uint32 addr; | |
828 | uint32 len; | |
829 | struct disassemble_info *info; | |
830 | { | |
831 | uint32 i; | |
d3e9b40a JG |
832 | union { |
833 | unsigned char u8[4]; | |
834 | uint32 u32; | |
835 | } data; | |
c906108c SS |
836 | |
837 | for (i = addr & -3; i < ((addr & -3) + (len << 2)); i += 4) { | |
d3e9b40a JG |
838 | sis_memory_read (i, data.u8, 4); |
839 | printf (" %08x %08x ", i, data.u32); | |
53b5af48 | 840 | print_insn_sparc_sis(i, info); |
c906108c SS |
841 | if (i >= 0xfffffffc) break; |
842 | printf("\n"); | |
843 | } | |
844 | } | |
845 | ||
c906108c SS |
846 | /* Add event to event queue */ |
847 | ||
848 | void | |
849 | event(cfunc, arg, delta) | |
850 | void (*cfunc) (); | |
851 | int32 arg; | |
94110024 | 852 | uint64 delta; |
c906108c SS |
853 | { |
854 | struct evcell *ev1, *evins; | |
855 | ||
856 | if (ebase.freeq == NULL) { | |
857 | printf("Error, too many events in event queue\n"); | |
858 | return; | |
859 | } | |
860 | ev1 = &ebase.eq; | |
861 | delta += ebase.simtime; | |
862 | while ((ev1->nxt != NULL) && (ev1->nxt->time <= delta)) { | |
863 | ev1 = ev1->nxt; | |
864 | } | |
865 | if (ev1->nxt == NULL) { | |
866 | ev1->nxt = ebase.freeq; | |
867 | ebase.freeq = ebase.freeq->nxt; | |
868 | ev1->nxt->nxt = NULL; | |
869 | } else { | |
870 | evins = ebase.freeq; | |
871 | ebase.freeq = ebase.freeq->nxt; | |
872 | evins->nxt = ev1->nxt; | |
873 | ev1->nxt = evins; | |
874 | } | |
875 | ev1->nxt->time = delta; | |
876 | ev1->nxt->cfunc = cfunc; | |
877 | ev1->nxt->arg = arg; | |
878 | } | |
879 | ||
880 | #if 0 /* apparently not used */ | |
881 | void | |
882 | stop_event() | |
883 | { | |
884 | } | |
885 | #endif | |
886 | ||
887 | void | |
888 | init_event() | |
889 | { | |
890 | int32 i; | |
891 | ||
892 | ebase.eq.nxt = NULL; | |
893 | ebase.freeq = evbuf; | |
894 | for (i = 0; i < EVENT_MAX; i++) { | |
895 | evbuf[i].nxt = &evbuf[i + 1]; | |
896 | } | |
897 | evbuf[EVENT_MAX - 1].nxt = NULL; | |
898 | } | |
899 | ||
900 | void | |
901 | set_int(level, callback, arg) | |
902 | int32 level; | |
903 | void (*callback) (); | |
904 | int32 arg; | |
905 | { | |
906 | irqarr[level & 0x0f].callback = callback; | |
907 | irqarr[level & 0x0f].arg = arg; | |
908 | } | |
909 | ||
910 | /* Advance simulator time */ | |
911 | ||
912 | void | |
913 | advance_time(sregs) | |
914 | struct pstate *sregs; | |
915 | { | |
916 | ||
917 | struct evcell *evrem; | |
918 | void (*cfunc) (); | |
94110024 JS |
919 | uint32 arg; |
920 | uint64 endtime; | |
c906108c SS |
921 | |
922 | #ifdef STAT | |
923 | sregs->fholdt += sregs->fhold; | |
924 | sregs->holdt += sregs->hold; | |
925 | sregs->icntt += sregs->icnt; | |
926 | #endif | |
927 | ||
928 | endtime = ebase.simtime + sregs->icnt + sregs->hold + sregs->fhold; | |
929 | ||
930 | while ((ebase.eq.nxt->time <= (endtime)) && (ebase.eq.nxt != NULL)) { | |
931 | ebase.simtime = ebase.eq.nxt->time; | |
932 | cfunc = ebase.eq.nxt->cfunc; | |
933 | arg = ebase.eq.nxt->arg; | |
934 | evrem = ebase.eq.nxt; | |
935 | ebase.eq.nxt = ebase.eq.nxt->nxt; | |
936 | evrem->nxt = ebase.freeq; | |
937 | ebase.freeq = evrem; | |
938 | cfunc(arg); | |
939 | } | |
940 | ebase.simtime = endtime; | |
941 | ||
942 | } | |
943 | ||
944 | uint32 | |
945 | now() | |
946 | { | |
5831e29b | 947 | return ebase.simtime; |
c906108c SS |
948 | } |
949 | ||
950 | ||
951 | /* Advance time until an external interrupt is seen */ | |
952 | ||
953 | int | |
954 | wait_for_irq() | |
955 | { | |
956 | struct evcell *evrem; | |
957 | void (*cfunc) (); | |
94110024 JS |
958 | int32 arg; |
959 | uint64 endtime; | |
c906108c SS |
960 | |
961 | if (ebase.eq.nxt == NULL) | |
962 | printf("Warning: event queue empty - power-down mode not entered\n"); | |
963 | endtime = ebase.simtime; | |
964 | while (!ext_irl && (ebase.eq.nxt != NULL)) { | |
965 | ebase.simtime = ebase.eq.nxt->time; | |
966 | cfunc = ebase.eq.nxt->cfunc; | |
967 | arg = ebase.eq.nxt->arg; | |
968 | evrem = ebase.eq.nxt; | |
969 | ebase.eq.nxt = ebase.eq.nxt->nxt; | |
970 | evrem->nxt = ebase.freeq; | |
971 | ebase.freeq = evrem; | |
972 | cfunc(arg); | |
973 | if (ctrl_c) { | |
974 | printf("\bwarning: power-down mode interrupted\n"); | |
975 | break; | |
976 | } | |
977 | } | |
978 | sregs.pwdtime += ebase.simtime - endtime; | |
5831e29b | 979 | return ebase.simtime - endtime; |
c906108c SS |
980 | } |
981 | ||
982 | int | |
983 | check_bpt(sregs) | |
984 | struct pstate *sregs; | |
985 | { | |
986 | int32 i; | |
987 | ||
988 | if ((sregs->bphit) || (sregs->annul)) | |
5831e29b | 989 | return 0; |
c906108c SS |
990 | for (i = 0; i < (int32) sregs->bptnum; i++) { |
991 | if (sregs->pc == sregs->bpts[i]) | |
5831e29b | 992 | return BPT_HIT; |
c906108c | 993 | } |
5831e29b | 994 | return 0; |
c906108c SS |
995 | } |
996 | ||
997 | void | |
998 | reset_all() | |
999 | { | |
1000 | init_event(); /* Clear event queue */ | |
1001 | init_regs(&sregs); | |
1002 | reset(); | |
1003 | #ifdef ERRINJ | |
1004 | errinjstart(); | |
1005 | #endif | |
1006 | } | |
1007 | ||
1008 | void | |
1009 | sys_reset() | |
1010 | { | |
1011 | reset_all(); | |
1012 | sregs.trap = 256; /* Force fake reset trap */ | |
1013 | } | |
1014 | ||
1015 | void | |
1016 | sys_halt() | |
1017 | { | |
1018 | sregs.trap = 257; /* Force fake halt trap */ | |
1019 | } | |
1020 | ||
1021 | #include "ansidecl.h" | |
1022 | ||
c906108c | 1023 | #include <stdarg.h> |
c906108c SS |
1024 | |
1025 | #include "libiberty.h" | |
1026 | #include "bfd.h" | |
1027 | ||
1028 | #define min(A, B) (((A) < (B)) ? (A) : (B)) | |
1029 | #define LOAD_ADDRESS 0 | |
1030 | ||
1031 | int | |
510d2751 | 1032 | bfd_load (const char *fname) |
c906108c SS |
1033 | { |
1034 | asection *section; | |
1035 | bfd *pbfd; | |
1036 | const bfd_arch_info_type *arch; | |
d3e9b40a | 1037 | int i; |
c906108c SS |
1038 | |
1039 | pbfd = bfd_openr(fname, 0); | |
1040 | ||
1041 | if (pbfd == NULL) { | |
1042 | printf("open of %s failed\n", fname); | |
5831e29b | 1043 | return -1; |
c906108c SS |
1044 | } |
1045 | if (!bfd_check_format(pbfd, bfd_object)) { | |
1046 | printf("file %s doesn't seem to be an object file\n", fname); | |
5831e29b | 1047 | return -1; |
c906108c SS |
1048 | } |
1049 | ||
1050 | arch = bfd_get_arch_info (pbfd); | |
c906108c SS |
1051 | if (sis_verbose) |
1052 | printf("loading %s:", fname); | |
1053 | for (section = pbfd->sections; section; section = section->next) { | |
fd361982 | 1054 | if (bfd_section_flags (section) & SEC_ALLOC) { |
c906108c SS |
1055 | bfd_vma section_address; |
1056 | unsigned long section_size; | |
1057 | const char *section_name; | |
1058 | ||
fd361982 | 1059 | section_name = bfd_section_name (section); |
c906108c | 1060 | |
fd361982 | 1061 | section_address = bfd_section_vma (section); |
c906108c SS |
1062 | /* |
1063 | * Adjust sections from a.out files, since they don't carry their | |
1064 | * addresses with. | |
1065 | */ | |
1066 | if (bfd_get_flavour(pbfd) == bfd_target_aout_flavour) { | |
1067 | if (strcmp (section_name, ".text") == 0) | |
1068 | section_address = bfd_get_start_address (pbfd); | |
1069 | else if (strcmp (section_name, ".data") == 0) { | |
1070 | /* Read the first 8 bytes of the data section. | |
1071 | There should be the string 'DaTa' followed by | |
1072 | a word containing the actual section address. */ | |
1073 | struct data_marker | |
1074 | { | |
1075 | char signature[4]; /* 'DaTa' */ | |
1076 | unsigned char sdata[4]; /* &sdata */ | |
1077 | } marker; | |
1078 | bfd_get_section_contents (pbfd, section, &marker, 0, | |
1079 | sizeof (marker)); | |
1080 | if (strncmp (marker.signature, "DaTa", 4) == 0) | |
1081 | { | |
d3e9b40a | 1082 | section_address = bfd_getb32 (marker.sdata); |
c906108c SS |
1083 | } |
1084 | } | |
1085 | } | |
1086 | ||
fd361982 | 1087 | section_size = bfd_section_size (section); |
c906108c SS |
1088 | |
1089 | if (sis_verbose) | |
1090 | printf("\nsection %s at 0x%08lx (0x%lx bytes)", | |
1091 | section_name, section_address, section_size); | |
1092 | ||
1093 | /* Text, data or lit */ | |
fd361982 | 1094 | if (bfd_section_flags (section) & SEC_LOAD) { |
c906108c SS |
1095 | file_ptr fptr; |
1096 | ||
1097 | fptr = 0; | |
1098 | ||
1099 | while (section_size > 0) { | |
1100 | char buffer[1024]; | |
1101 | int count; | |
1102 | ||
1103 | count = min(section_size, 1024); | |
1104 | ||
1105 | bfd_get_section_contents(pbfd, section, buffer, fptr, count); | |
1106 | ||
d3e9b40a JG |
1107 | for (i = 0; i < count; i++) |
1108 | sis_memory_write ((section_address + i) ^ EBT, &buffer[i], 1); | |
c906108c SS |
1109 | |
1110 | section_address += count; | |
1111 | fptr += count; | |
1112 | section_size -= count; | |
1113 | } | |
1114 | } else /* BSS */ | |
1115 | if (sis_verbose) | |
1116 | printf("(not loaded)"); | |
1117 | } | |
1118 | } | |
1119 | if (sis_verbose) | |
1120 | printf("\n"); | |
1121 | ||
5831e29b | 1122 | return bfd_get_start_address (pbfd); |
c906108c | 1123 | } |
96d67095 JG |
1124 | |
1125 | double get_time (void) | |
1126 | { | |
1127 | double usec; | |
1128 | ||
1129 | struct timeval tm; | |
1130 | ||
1131 | gettimeofday (&tm, NULL); | |
1132 | usec = ((double) tm.tv_sec) * 1E6 + ((double) tm.tv_usec); | |
5831e29b | 1133 | return usec / 1E6; |
96d67095 | 1134 | } |