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c906108c SS |
1 | /* |
2 | * func.c, misc simulator functions. This file is part of SIS. | |
3 | * | |
4 | * SIS, SPARC instruction simulator V1.8 Copyright (C) 1995 Jiri Gaisler, | |
5 | * European Space Agency | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it under | |
8 | * the terms of the GNU General Public License as published by the Free | |
3fd725ef | 9 | * Software Foundation; either version 3 of the License, or (at your option) |
c906108c SS |
10 | * any later version. |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | * more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along with | |
51b318de | 18 | * this program; if not, see <http://www.gnu.org/licenses/>. |
c906108c SS |
19 | * |
20 | */ | |
21 | ||
5272643f | 22 | #include "config.h" |
c906108c SS |
23 | #include <signal.h> |
24 | #include <string.h> | |
25 | #include <stdio.h> | |
26 | #include <stdlib.h> | |
27 | #include <ctype.h> | |
28 | #include "sis.h" | |
c906108c SS |
29 | #include <dis-asm.h> |
30 | #include "sim-config.h" | |
638fcdad | 31 | #include <inttypes.h> |
c906108c | 32 | |
c906108c SS |
33 | #define VAL(x) strtoul(x,(char **)NULL,0) |
34 | ||
c906108c SS |
35 | struct disassemble_info dinfo; |
36 | struct pstate sregs; | |
37 | extern struct estate ebase; | |
38 | int ctrl_c = 0; | |
39 | int sis_verbose = 0; | |
40 | char *sis_version = "2.7.5"; | |
41 | int nfp = 0; | |
42 | int ift = 0; | |
43 | int wrp = 0; | |
44 | int rom8 = 0; | |
45 | int uben = 0; | |
46 | int termsave; | |
47 | int sparclite = 0; /* emulating SPARClite instructions? */ | |
48 | int sparclite_board = 0; /* emulating SPARClite board RAM? */ | |
49 | char uart_dev1[128] = ""; | |
50 | char uart_dev2[128] = ""; | |
51 | extern int ext_irl; | |
52 | uint32 last_load_addr = 0; | |
53 | ||
54 | #ifdef ERRINJ | |
55 | uint32 errcnt = 0; | |
56 | uint32 errper = 0; | |
57 | uint32 errtt = 0; | |
58 | uint32 errftt = 0; | |
59 | uint32 errmec = 0; | |
60 | #endif | |
61 | ||
62 | /* Forward declarations */ | |
63 | ||
bdca5ee4 TT |
64 | static int batch (struct pstate *sregs, char *fname); |
65 | static void set_rega (struct pstate *sregs, char *reg, uint32 rval); | |
66 | static void disp_reg (struct pstate *sregs, char *reg); | |
67 | static uint32 limcalc (float32 freq); | |
68 | static void int_handler (int32 sig); | |
69 | static void init_event (void); | |
70 | static int disp_fpu (struct pstate *sregs); | |
71 | static void disp_regs (struct pstate *sregs, int cwp); | |
72 | static void disp_ctrl (struct pstate *sregs); | |
73 | static void disp_mem (uint32 addr, uint32 len); | |
c906108c SS |
74 | |
75 | static int | |
76 | batch(sregs, fname) | |
77 | struct pstate *sregs; | |
78 | char *fname; | |
79 | { | |
80 | FILE *fp; | |
b9f9ea2f JG |
81 | char *lbuf = NULL; |
82 | size_t len = 0; | |
83 | size_t slen; | |
c906108c SS |
84 | |
85 | if ((fp = fopen(fname, "r")) == NULL) { | |
86 | fprintf(stderr, "couldn't open batch file %s\n", fname); | |
5831e29b | 87 | return 0; |
c906108c | 88 | } |
b9f9ea2f JG |
89 | while (getline(&lbuf, &len, fp) > -1) { |
90 | slen = strlen(lbuf); | |
91 | if (slen && (lbuf[slen - 1] == '\n')) { | |
92 | lbuf[slen - 1] = 0; | |
93 | printf("sis> %s\n", lbuf); | |
94 | exec_cmd(sregs, lbuf); | |
95 | } | |
c906108c | 96 | } |
b9f9ea2f | 97 | free(lbuf); |
c906108c | 98 | fclose(fp); |
5831e29b | 99 | return 1; |
c906108c SS |
100 | } |
101 | ||
102 | void | |
103 | set_regi(sregs, reg, rval) | |
104 | struct pstate *sregs; | |
105 | int32 reg; | |
106 | uint32 rval; | |
107 | { | |
108 | uint32 cwp; | |
109 | ||
110 | cwp = ((sregs->psr & 0x7) << 4); | |
111 | if ((reg > 0) && (reg < 8)) { | |
112 | sregs->g[reg] = rval; | |
113 | } else if ((reg >= 8) && (reg < 32)) { | |
114 | sregs->r[(cwp + reg) & 0x7f] = rval; | |
115 | } else if ((reg >= 32) && (reg < 64)) { | |
116 | sregs->fsi[reg - 32] = rval; | |
117 | } else { | |
118 | switch (reg) { | |
119 | case 64: | |
120 | sregs->y = rval; | |
121 | break; | |
122 | case 65: | |
123 | sregs->psr = rval; | |
124 | break; | |
125 | case 66: | |
126 | sregs->wim = rval; | |
127 | break; | |
128 | case 67: | |
129 | sregs->tbr = rval; | |
130 | break; | |
131 | case 68: | |
132 | sregs->pc = rval; | |
133 | break; | |
134 | case 69: | |
135 | sregs->npc = rval; | |
136 | break; | |
137 | case 70: | |
138 | sregs->fsr = rval; | |
139 | set_fsr(rval); | |
140 | break; | |
141 | default:break; | |
142 | } | |
143 | } | |
144 | } | |
145 | ||
146 | void | |
147 | get_regi(struct pstate * sregs, int32 reg, char *buf) | |
148 | { | |
149 | uint32 cwp; | |
150 | uint32 rval = 0; | |
151 | ||
152 | cwp = ((sregs->psr & 0x7) << 4); | |
153 | if ((reg >= 0) && (reg < 8)) { | |
154 | rval = sregs->g[reg]; | |
155 | } else if ((reg >= 8) && (reg < 32)) { | |
156 | rval = sregs->r[(cwp + reg) & 0x7f]; | |
157 | } else if ((reg >= 32) && (reg < 64)) { | |
158 | rval = sregs->fsi[reg - 32]; | |
159 | } else { | |
160 | switch (reg) { | |
161 | case 64: | |
162 | rval = sregs->y; | |
163 | break; | |
164 | case 65: | |
165 | rval = sregs->psr; | |
166 | break; | |
167 | case 66: | |
168 | rval = sregs->wim; | |
169 | break; | |
170 | case 67: | |
171 | rval = sregs->tbr; | |
172 | break; | |
173 | case 68: | |
174 | rval = sregs->pc; | |
175 | break; | |
176 | case 69: | |
177 | rval = sregs->npc; | |
178 | break; | |
179 | case 70: | |
180 | rval = sregs->fsr; | |
181 | break; | |
182 | default:break; | |
183 | } | |
184 | } | |
d3e9b40a JG |
185 | buf[0] = (rval >> 24) & 0x0ff; |
186 | buf[1] = (rval >> 16) & 0x0ff; | |
187 | buf[2] = (rval >> 8) & 0x0ff; | |
188 | buf[3] = rval & 0x0ff; | |
c906108c SS |
189 | } |
190 | ||
191 | ||
192 | static void | |
193 | set_rega(sregs, reg, rval) | |
194 | struct pstate *sregs; | |
195 | char *reg; | |
196 | uint32 rval; | |
197 | { | |
198 | uint32 cwp; | |
199 | int32 err = 0; | |
200 | ||
201 | cwp = ((sregs->psr & 0x7) << 4); | |
202 | if (strcmp(reg, "psr") == 0) | |
203 | sregs->psr = (rval = (rval & 0x00f03fff)); | |
204 | else if (strcmp(reg, "tbr") == 0) | |
205 | sregs->tbr = (rval = (rval & 0xfffffff0)); | |
206 | else if (strcmp(reg, "wim") == 0) | |
207 | sregs->wim = (rval = (rval & 0x0ff)); | |
208 | else if (strcmp(reg, "y") == 0) | |
209 | sregs->y = rval; | |
210 | else if (strcmp(reg, "pc") == 0) | |
211 | sregs->pc = rval; | |
212 | else if (strcmp(reg, "npc") == 0) | |
213 | sregs->npc = rval; | |
214 | else if (strcmp(reg, "fsr") == 0) { | |
215 | sregs->fsr = rval; | |
216 | set_fsr(rval); | |
217 | } else if (strcmp(reg, "g0") == 0) | |
218 | err = 2; | |
219 | else if (strcmp(reg, "g1") == 0) | |
220 | sregs->g[1] = rval; | |
221 | else if (strcmp(reg, "g2") == 0) | |
222 | sregs->g[2] = rval; | |
223 | else if (strcmp(reg, "g3") == 0) | |
224 | sregs->g[3] = rval; | |
225 | else if (strcmp(reg, "g4") == 0) | |
226 | sregs->g[4] = rval; | |
227 | else if (strcmp(reg, "g5") == 0) | |
228 | sregs->g[5] = rval; | |
229 | else if (strcmp(reg, "g6") == 0) | |
230 | sregs->g[6] = rval; | |
231 | else if (strcmp(reg, "g7") == 0) | |
232 | sregs->g[7] = rval; | |
233 | else if (strcmp(reg, "o0") == 0) | |
234 | sregs->r[(cwp + 8) & 0x7f] = rval; | |
235 | else if (strcmp(reg, "o1") == 0) | |
236 | sregs->r[(cwp + 9) & 0x7f] = rval; | |
237 | else if (strcmp(reg, "o2") == 0) | |
238 | sregs->r[(cwp + 10) & 0x7f] = rval; | |
239 | else if (strcmp(reg, "o3") == 0) | |
240 | sregs->r[(cwp + 11) & 0x7f] = rval; | |
241 | else if (strcmp(reg, "o4") == 0) | |
242 | sregs->r[(cwp + 12) & 0x7f] = rval; | |
243 | else if (strcmp(reg, "o5") == 0) | |
244 | sregs->r[(cwp + 13) & 0x7f] = rval; | |
245 | else if (strcmp(reg, "o6") == 0) | |
246 | sregs->r[(cwp + 14) & 0x7f] = rval; | |
247 | else if (strcmp(reg, "o7") == 0) | |
248 | sregs->r[(cwp + 15) & 0x7f] = rval; | |
249 | else if (strcmp(reg, "l0") == 0) | |
250 | sregs->r[(cwp + 16) & 0x7f] = rval; | |
251 | else if (strcmp(reg, "l1") == 0) | |
252 | sregs->r[(cwp + 17) & 0x7f] = rval; | |
253 | else if (strcmp(reg, "l2") == 0) | |
254 | sregs->r[(cwp + 18) & 0x7f] = rval; | |
255 | else if (strcmp(reg, "l3") == 0) | |
256 | sregs->r[(cwp + 19) & 0x7f] = rval; | |
257 | else if (strcmp(reg, "l4") == 0) | |
258 | sregs->r[(cwp + 20) & 0x7f] = rval; | |
259 | else if (strcmp(reg, "l5") == 0) | |
260 | sregs->r[(cwp + 21) & 0x7f] = rval; | |
261 | else if (strcmp(reg, "l6") == 0) | |
262 | sregs->r[(cwp + 22) & 0x7f] = rval; | |
263 | else if (strcmp(reg, "l7") == 0) | |
264 | sregs->r[(cwp + 23) & 0x7f] = rval; | |
265 | else if (strcmp(reg, "i0") == 0) | |
266 | sregs->r[(cwp + 24) & 0x7f] = rval; | |
267 | else if (strcmp(reg, "i1") == 0) | |
268 | sregs->r[(cwp + 25) & 0x7f] = rval; | |
269 | else if (strcmp(reg, "i2") == 0) | |
270 | sregs->r[(cwp + 26) & 0x7f] = rval; | |
271 | else if (strcmp(reg, "i3") == 0) | |
272 | sregs->r[(cwp + 27) & 0x7f] = rval; | |
273 | else if (strcmp(reg, "i4") == 0) | |
274 | sregs->r[(cwp + 28) & 0x7f] = rval; | |
275 | else if (strcmp(reg, "i5") == 0) | |
276 | sregs->r[(cwp + 29) & 0x7f] = rval; | |
277 | else if (strcmp(reg, "i6") == 0) | |
278 | sregs->r[(cwp + 30) & 0x7f] = rval; | |
279 | else if (strcmp(reg, "i7") == 0) | |
280 | sregs->r[(cwp + 31) & 0x7f] = rval; | |
281 | else | |
282 | err = 1; | |
283 | switch (err) { | |
284 | case 0: | |
285 | printf("%s = %d (0x%08x)\n", reg, rval, rval); | |
286 | break; | |
287 | case 1: | |
288 | printf("no such regiser: %s\n", reg); | |
289 | break; | |
290 | case 2: | |
291 | printf("cannot set g0\n"); | |
292 | break; | |
293 | default: | |
294 | break; | |
295 | } | |
296 | ||
297 | } | |
298 | ||
299 | static void | |
300 | disp_reg(sregs, reg) | |
301 | struct pstate *sregs; | |
302 | char *reg; | |
303 | { | |
304 | if (strncmp(reg, "w",1) == 0) | |
305 | disp_regs(sregs, VAL(®[1])); | |
306 | } | |
307 | ||
308 | #ifdef ERRINJ | |
309 | ||
310 | void | |
311 | errinj() | |
312 | { | |
313 | int err; | |
314 | ||
315 | switch (err = (random() % 12)) { | |
316 | case 0: errtt = 0x61; break; | |
317 | case 1: errtt = 0x62; break; | |
318 | case 2: errtt = 0x63; break; | |
319 | case 3: errtt = 0x64; break; | |
320 | case 4: errtt = 0x65; break; | |
321 | case 5: | |
322 | case 6: | |
323 | case 7: errftt = err; | |
324 | break; | |
325 | case 8: errmec = 1; break; | |
326 | case 9: errmec = 2; break; | |
327 | case 10: errmec = 5; break; | |
328 | case 11: errmec = 6; break; | |
329 | } | |
330 | errcnt++; | |
331 | if (errper) event(errinj, 0, (random()%errper)); | |
332 | } | |
333 | ||
334 | void | |
335 | errinjstart() | |
336 | { | |
337 | if (errper) event(errinj, 0, (random()%errper)); | |
338 | } | |
339 | ||
340 | #endif | |
341 | ||
342 | static uint32 | |
343 | limcalc (freq) | |
344 | float32 freq; | |
345 | { | |
346 | uint32 unit, lim; | |
347 | double flim; | |
348 | char *cmd1, *cmd2; | |
349 | ||
350 | unit = 1; | |
351 | lim = -1; | |
352 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
353 | lim = VAL(cmd1); | |
354 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
355 | if (strcmp(cmd2,"us")==0) unit = 1; | |
356 | if (strcmp(cmd2,"ms")==0) unit = 1000; | |
357 | if (strcmp(cmd2,"s")==0) unit = 1000000; | |
358 | } | |
359 | flim = (double) lim * (double) unit * (double) freq + | |
360 | (double) ebase.simtime; | |
361 | if ((flim > ebase.simtime) && (flim < 4294967296.0)) { | |
362 | lim = (uint32) flim; | |
363 | } else { | |
364 | printf("error in expression\n"); | |
365 | lim = -1; | |
366 | } | |
367 | } | |
5831e29b | 368 | return lim; |
c906108c | 369 | } |
510d2751 | 370 | |
c906108c | 371 | int |
510d2751 | 372 | exec_cmd(struct pstate *sregs, const char *cmd) |
c906108c SS |
373 | { |
374 | char *cmd1, *cmd2; | |
375 | int32 stat; | |
376 | uint32 len, i, clen, j; | |
377 | static uint32 daddr = 0; | |
510d2751 | 378 | char *cmdsave, *cmdsave2 = NULL; |
c906108c SS |
379 | |
380 | stat = OK; | |
381 | cmdsave = strdup(cmd); | |
510d2751 JG |
382 | cmdsave2 = strdup (cmd); |
383 | if ((cmd1 = strtok (cmdsave2, " \t")) != NULL) { | |
c906108c SS |
384 | clen = strlen(cmd1); |
385 | if (strncmp(cmd1, "bp", clen) == 0) { | |
386 | for (i = 0; i < sregs->bptnum; i++) { | |
387 | printf(" %d : 0x%08x\n", i + 1, sregs->bpts[i]); | |
388 | } | |
389 | } else if (strncmp(cmd1, "+bp", clen) == 0) { | |
390 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
391 | sregs->bpts[sregs->bptnum] = VAL(cmd1) & ~0x3; | |
392 | printf("added breakpoint %d at 0x%08x\n", | |
393 | sregs->bptnum + 1, sregs->bpts[sregs->bptnum]); | |
394 | sregs->bptnum += 1; | |
395 | } | |
396 | } else if (strncmp(cmd1, "-bp", clen) == 0) { | |
397 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
398 | i = VAL(cmd1) - 1; | |
399 | if ((i >= 0) && (i < sregs->bptnum)) { | |
400 | printf("deleted breakpoint %d at 0x%08x\n", i + 1, | |
401 | sregs->bpts[i]); | |
402 | for (; i < sregs->bptnum - 1; i++) { | |
403 | sregs->bpts[i] = sregs->bpts[i + 1]; | |
404 | } | |
405 | sregs->bptnum -= 1; | |
406 | } | |
407 | } | |
408 | } else if (strncmp(cmd1, "batch", clen) == 0) { | |
409 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
410 | printf("no file specified\n"); | |
411 | } else { | |
412 | batch(sregs, cmd1); | |
413 | } | |
414 | } else if (strncmp(cmd1, "cont", clen) == 0) { | |
415 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 416 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
417 | } else { |
418 | stat = run_sim(sregs, VAL(cmd1), 0); | |
419 | } | |
420 | daddr = sregs->pc; | |
421 | sim_halt(); | |
422 | } else if (strncmp(cmd1, "debug", clen) == 0) { | |
423 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
424 | sis_verbose = VAL(cmd1); | |
425 | } | |
426 | printf("Debug level = %d\n",sis_verbose); | |
427 | } else if (strncmp(cmd1, "dis", clen) == 0) { | |
428 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
429 | daddr = VAL(cmd1); | |
430 | } | |
431 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
432 | len = VAL(cmd2); | |
433 | } else | |
434 | len = 16; | |
435 | printf("\n"); | |
436 | dis_mem(daddr, len, &dinfo); | |
437 | printf("\n"); | |
438 | daddr += len * 4; | |
439 | } else if (strncmp(cmd1, "echo", clen) == 0) { | |
440 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
441 | printf("%s\n", (&cmdsave[clen+1])); | |
442 | } | |
443 | #ifdef ERRINJ | |
444 | } else if (strncmp(cmd1, "error", clen) == 0) { | |
445 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
446 | errper = VAL(cmd1); | |
447 | if (errper) { | |
448 | event(errinj, 0, (len = (random()%errper))); | |
449 | printf("Error injection started with period %d\n",len); | |
450 | } | |
451 | } else printf("Injected errors: %d\n",errcnt); | |
452 | #endif | |
453 | } else if (strncmp(cmd1, "float", clen) == 0) { | |
454 | stat = disp_fpu(sregs); | |
455 | } else if (strncmp(cmd1, "go", clen) == 0) { | |
456 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
457 | len = last_load_addr; | |
458 | } else { | |
459 | len = VAL(cmd1); | |
460 | } | |
461 | sregs->pc = len & ~3; | |
462 | sregs->npc = sregs->pc + 4; | |
20a0ffe3 JG |
463 | if ((sregs->pc != 0) && (ebase.simtime == 0)) |
464 | boot_init(); | |
c906108c SS |
465 | printf("resuming at 0x%08x\n",sregs->pc); |
466 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
467 | stat = run_sim(sregs, VAL(cmd2), 0); | |
468 | } else { | |
94110024 | 469 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
470 | } |
471 | daddr = sregs->pc; | |
472 | sim_halt(); | |
473 | } else if (strncmp(cmd1, "help", clen) == 0) { | |
474 | gen_help(); | |
475 | } else if (strncmp(cmd1, "history", clen) == 0) { | |
476 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
477 | sregs->histlen = VAL(cmd1); | |
478 | if (sregs->histbuf != NULL) | |
479 | free(sregs->histbuf); | |
480 | sregs->histbuf = (struct histype *) calloc(sregs->histlen, sizeof(struct histype)); | |
481 | printf("trace history length = %d\n\r", sregs->histlen); | |
482 | sregs->histind = 0; | |
483 | ||
484 | } else { | |
485 | j = sregs->histind; | |
486 | for (i = 0; i < sregs->histlen; i++) { | |
487 | if (j >= sregs->histlen) | |
488 | j = 0; | |
489 | printf(" %8d ", sregs->histbuf[j].time); | |
490 | dis_mem(sregs->histbuf[j].addr, 1, &dinfo); | |
491 | j++; | |
492 | } | |
493 | } | |
494 | ||
495 | } else if (strncmp(cmd1, "load", clen) == 0) { | |
496 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
497 | last_load_addr = bfd_load(cmd1); | |
498 | while ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
499 | last_load_addr = bfd_load(cmd1); | |
500 | } else { | |
501 | printf("load: no file specified\n"); | |
502 | } | |
503 | } else if (strncmp(cmd1, "mem", clen) == 0) { | |
504 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
505 | daddr = VAL(cmd1); | |
506 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) | |
507 | len = VAL(cmd2); | |
508 | else | |
509 | len = 64; | |
510 | disp_mem(daddr, len); | |
511 | daddr += len; | |
512 | } else if (strncmp(cmd1, "perf", clen) == 0) { | |
513 | cmd1 = strtok(NULL, " \t\n\r"); | |
514 | if ((cmd1 != NULL) && | |
515 | (strncmp(cmd1, "reset", strlen(cmd1)) == 0)) { | |
516 | reset_stat(sregs); | |
517 | } else | |
518 | show_stat(sregs); | |
519 | } else if (strncmp(cmd1, "quit", clen) == 0) { | |
520 | exit(0); | |
521 | } else if (strncmp(cmd1, "reg", clen) == 0) { | |
522 | cmd1 = strtok(NULL, " \t\n\r"); | |
523 | cmd2 = strtok(NULL, " \t\n\r"); | |
524 | if (cmd2 != NULL) | |
525 | set_rega(sregs, cmd1, VAL(cmd2)); | |
526 | else if (cmd1 != NULL) | |
527 | disp_reg(sregs, cmd1); | |
528 | else { | |
529 | disp_regs(sregs,sregs->psr); | |
530 | disp_ctrl(sregs); | |
531 | } | |
532 | } else if (strncmp(cmd1, "reset", clen) == 0) { | |
533 | ebase.simtime = 0; | |
534 | reset_all(); | |
535 | reset_stat(sregs); | |
536 | } else if (strncmp(cmd1, "run", clen) == 0) { | |
537 | ebase.simtime = 0; | |
538 | reset_all(); | |
539 | reset_stat(sregs); | |
540 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 541 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
542 | } else { |
543 | stat = run_sim(sregs, VAL(cmd1), 0); | |
544 | } | |
545 | daddr = sregs->pc; | |
546 | sim_halt(); | |
547 | } else if (strncmp(cmd1, "shell", clen) == 0) { | |
548 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
b9f9ea2f JG |
549 | if (system(&cmdsave[clen])) { |
550 | /* Silence unused return value warning. */ | |
551 | } | |
c906108c SS |
552 | } |
553 | } else if (strncmp(cmd1, "step", clen) == 0) { | |
554 | stat = run_sim(sregs, 1, 1); | |
555 | daddr = sregs->pc; | |
556 | sim_halt(); | |
557 | } else if (strncmp(cmd1, "tcont", clen) == 0) { | |
558 | sregs->tlimit = limcalc(sregs->freq); | |
94110024 | 559 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
560 | daddr = sregs->pc; |
561 | sim_halt(); | |
562 | } else if (strncmp(cmd1, "tgo", clen) == 0) { | |
563 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
564 | len = last_load_addr; | |
565 | } else { | |
566 | len = VAL(cmd1); | |
567 | sregs->tlimit = limcalc(sregs->freq); | |
568 | } | |
569 | sregs->pc = len & ~3; | |
570 | sregs->npc = sregs->pc + 4; | |
571 | printf("resuming at 0x%08x\n",sregs->pc); | |
94110024 | 572 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
573 | daddr = sregs->pc; |
574 | sim_halt(); | |
575 | } else if (strncmp(cmd1, "tlimit", clen) == 0) { | |
576 | sregs->tlimit = limcalc(sregs->freq); | |
577 | if (sregs->tlimit != (uint32) -1) | |
578 | printf("simulation limit = %u (%.3f ms)\n",(uint32) sregs->tlimit, | |
579 | sregs->tlimit / sregs->freq / 1000); | |
580 | } else if (strncmp(cmd1, "tra", clen) == 0) { | |
581 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 582 | stat = run_sim(sregs, UINT64_MAX, 1); |
c906108c SS |
583 | } else { |
584 | stat = run_sim(sregs, VAL(cmd1), 1); | |
585 | } | |
586 | printf("\n"); | |
587 | daddr = sregs->pc; | |
588 | sim_halt(); | |
589 | } else if (strncmp(cmd1, "trun", clen) == 0) { | |
590 | ebase.simtime = 0; | |
591 | reset_all(); | |
592 | reset_stat(sregs); | |
593 | sregs->tlimit = limcalc(sregs->freq); | |
94110024 | 594 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
595 | daddr = sregs->pc; |
596 | sim_halt(); | |
597 | } else | |
598 | printf("syntax error\n"); | |
599 | } | |
510d2751 JG |
600 | if (cmdsave2 != NULL) |
601 | free(cmdsave2); | |
c906108c SS |
602 | if (cmdsave != NULL) |
603 | free(cmdsave); | |
5831e29b | 604 | return stat; |
c906108c SS |
605 | } |
606 | ||
607 | ||
608 | void | |
609 | reset_stat(sregs) | |
610 | struct pstate *sregs; | |
611 | { | |
96d67095 | 612 | sregs->tottime = 0.0; |
c906108c SS |
613 | sregs->pwdtime = 0; |
614 | sregs->ninst = 0; | |
615 | sregs->fholdt = 0; | |
616 | sregs->holdt = 0; | |
617 | sregs->icntt = 0; | |
618 | sregs->finst = 0; | |
619 | sregs->nstore = 0; | |
620 | sregs->nload = 0; | |
621 | sregs->nbranch = 0; | |
622 | sregs->simstart = ebase.simtime; | |
623 | ||
624 | } | |
625 | ||
626 | void | |
627 | show_stat(sregs) | |
628 | struct pstate *sregs; | |
629 | { | |
630 | uint32 iinst; | |
96d67095 | 631 | uint32 stime; |
c906108c | 632 | |
96d67095 JG |
633 | if (sregs->tottime == 0.0) |
634 | sregs->tottime += 1E-6; | |
c906108c SS |
635 | stime = ebase.simtime - sregs->simstart; /* Total simulated time */ |
636 | #ifdef STAT | |
637 | ||
638 | iinst = sregs->ninst - sregs->finst - sregs->nload - sregs->nstore - | |
639 | sregs->nbranch; | |
640 | #endif | |
641 | ||
638fcdad JG |
642 | printf("\n Cycles : %9" PRIu64 "\n\r", ebase.simtime - sregs->simstart); |
643 | printf(" Instructions : %9" PRIu64 "\n", sregs->ninst); | |
c906108c SS |
644 | |
645 | #ifdef STAT | |
646 | printf(" integer : %9.2f %%\n", 100.0 * (float) iinst / (float) sregs->ninst); | |
647 | printf(" load : %9.2f %%\n", | |
648 | 100.0 * (float) sregs->nload / (float) sregs->ninst); | |
649 | printf(" store : %9.2f %%\n", | |
650 | 100.0 * (float) sregs->nstore / (float) sregs->ninst); | |
651 | printf(" branch : %9.2f %%\n", | |
652 | 100.0 * (float) sregs->nbranch / (float) sregs->ninst); | |
653 | printf(" float : %9.2f %%\n", | |
654 | 100.0 * (float) sregs->finst / (float) sregs->ninst); | |
655 | printf(" Integer CPI : %9.2f\n", | |
656 | ((float) (stime - sregs->pwdtime - sregs->fholdt - sregs->finst)) | |
657 | / | |
658 | (float) (sregs->ninst - sregs->finst)); | |
659 | printf(" Float CPI : %9.2f\n", | |
660 | ((float) sregs->fholdt / (float) sregs->finst) + 1.0); | |
661 | #endif | |
662 | printf(" Overall CPI : %9.2f\n", | |
663 | (float) (stime - sregs->pwdtime) / (float) sregs->ninst); | |
664 | printf("\n ERC32 performance (%4.1f MHz): %5.2f MOPS (%5.2f MIPS, %5.2f MFLOPS)\n", | |
665 | sregs->freq, sregs->freq * (float) sregs->ninst / (float) (stime - sregs->pwdtime), | |
666 | sregs->freq * (float) (sregs->ninst - sregs->finst) / | |
667 | (float) (stime - sregs->pwdtime), | |
668 | sregs->freq * (float) sregs->finst / (float) (stime - sregs->pwdtime)); | |
96d67095 JG |
669 | printf(" Simulated ERC32 time : %.2f s\n", |
670 | (float) (ebase.simtime - sregs->simstart) / 1000000.0 / sregs->freq); | |
671 | printf(" Processor utilisation : %.2f %%\n", | |
672 | 100.0 * (1.0 - ((float) sregs->pwdtime / (float) stime))); | |
673 | printf(" Real-time performance : %.2f %%\n", | |
674 | 100.0 / (sregs->tottime / ((double) (stime) / (sregs->freq * 1.0E6)))); | |
675 | printf(" Simulator performance : %.2f MIPS\n", | |
676 | (double)(sregs->ninst) / sregs->tottime / 1E6); | |
677 | printf(" Used time (sys + user) : %.2f s\n\n", sregs->tottime); | |
c906108c SS |
678 | } |
679 | ||
680 | ||
681 | ||
682 | void | |
683 | init_bpt(sregs) | |
684 | struct pstate *sregs; | |
685 | { | |
686 | sregs->bptnum = 0; | |
687 | sregs->histlen = 0; | |
688 | sregs->histind = 0; | |
689 | sregs->histbuf = NULL; | |
690 | sregs->tlimit = -1; | |
691 | } | |
692 | ||
693 | static void | |
694 | int_handler(sig) | |
695 | int32 sig; | |
696 | { | |
697 | if (sig != 2) | |
698 | printf("\n\n Signal handler error (%d)\n\n", sig); | |
699 | ctrl_c = 1; | |
700 | } | |
701 | ||
702 | void | |
703 | init_signals() | |
704 | { | |
705 | typedef void (*PFI) (); | |
706 | static PFI int_tab[2]; | |
707 | ||
708 | int_tab[0] = signal(SIGTERM, int_handler); | |
709 | int_tab[1] = signal(SIGINT, int_handler); | |
710 | } | |
711 | ||
712 | ||
713 | extern struct disassemble_info dinfo; | |
714 | ||
715 | struct estate ebase; | |
716 | struct evcell evbuf[EVENT_MAX]; | |
717 | struct irqcell irqarr[16]; | |
718 | ||
719 | static int | |
720 | disp_fpu(sregs) | |
721 | struct pstate *sregs; | |
722 | { | |
723 | ||
724 | int i; | |
725 | float t; | |
726 | ||
727 | printf("\n fsr: %08X\n\n", sregs->fsr); | |
728 | ||
9c5f41df | 729 | #ifdef HOST_LITTLE_ENDIAN |
c906108c SS |
730 | for (i = 0; i < 32; i++) |
731 | sregs->fdp[i ^ 1] = sregs->fs[i]; | |
732 | #endif | |
733 | ||
734 | for (i = 0; i < 32; i++) { | |
735 | t = sregs->fs[i]; | |
736 | printf(" f%02d %08x %14e ", i, sregs->fsi[i], sregs->fs[i]); | |
737 | if (!(i & 1)) | |
738 | printf("%14e\n", sregs->fd[i >> 1]); | |
739 | else | |
740 | printf("\n"); | |
741 | } | |
742 | printf("\n"); | |
5831e29b | 743 | return OK; |
c906108c SS |
744 | } |
745 | ||
746 | static void | |
747 | disp_regs(sregs,cwp) | |
748 | struct pstate *sregs; | |
749 | int cwp; | |
750 | { | |
751 | ||
752 | int i; | |
753 | ||
754 | cwp = ((cwp & 0x7) << 4); | |
755 | printf("\n\t INS LOCALS OUTS GLOBALS\n"); | |
756 | for (i = 0; i < 8; i++) { | |
757 | printf(" %d: %08X %08X %08X %08X\n", i, | |
758 | sregs->r[(cwp + i + 24) & 0x7f], | |
759 | sregs->r[(cwp + i + 16) & 0x7f], sregs->r[(cwp + i + 8) & 0x7f], | |
760 | sregs->g[i]); | |
761 | } | |
762 | } | |
763 | ||
53b5af48 JG |
764 | static void print_insn_sparc_sis(uint32 addr, struct disassemble_info *info) |
765 | { | |
766 | unsigned char i[4]; | |
767 | ||
768 | sis_memory_read(addr, i, 4); | |
769 | dinfo.buffer_vma = addr; | |
770 | dinfo.buffer_length = 4; | |
771 | dinfo.buffer = i; | |
772 | print_insn_sparc(addr, info); | |
773 | } | |
774 | ||
c906108c SS |
775 | static void |
776 | disp_ctrl(sregs) | |
777 | struct pstate *sregs; | |
778 | { | |
779 | ||
d3e9b40a | 780 | uint32 i; |
c906108c SS |
781 | |
782 | printf("\n psr: %08X wim: %08X tbr: %08X y: %08X\n", | |
783 | sregs->psr, sregs->wim, sregs->tbr, sregs->y); | |
d3e9b40a JG |
784 | sis_memory_read (sregs->pc, (char *) &i, 4); |
785 | printf ("\n pc: %08X = %08X ", sregs->pc, i); | |
53b5af48 | 786 | print_insn_sparc_sis(sregs->pc, &dinfo); |
d3e9b40a JG |
787 | sis_memory_read (sregs->npc, (char *) &i, 4); |
788 | printf ("\n npc: %08X = %08X ", sregs->npc, i); | |
53b5af48 | 789 | print_insn_sparc_sis(sregs->npc, &dinfo); |
c906108c SS |
790 | if (sregs->err_mode) |
791 | printf("\n IU in error mode"); | |
792 | printf("\n\n"); | |
793 | } | |
794 | ||
795 | static void | |
796 | disp_mem(addr, len) | |
797 | uint32 addr; | |
798 | uint32 len; | |
799 | { | |
800 | ||
801 | uint32 i; | |
d3e9b40a JG |
802 | union { |
803 | unsigned char u8[4]; | |
804 | uint32 u32; | |
805 | } data; | |
c906108c SS |
806 | uint32 mem[4], j; |
807 | char *p; | |
808 | ||
809 | for (i = addr & ~3; i < ((addr + len) & ~3); i += 16) { | |
810 | printf("\n %8X ", i); | |
811 | for (j = 0; j < 4; j++) { | |
d3e9b40a JG |
812 | sis_memory_read ((i + (j * 4)), data.u8, 4); |
813 | printf ("%08x ", data.u32); | |
814 | mem[j] = data.u32; | |
c906108c SS |
815 | } |
816 | printf(" "); | |
817 | p = (char *) mem; | |
818 | for (j = 0; j < 16; j++) { | |
d3e9b40a JG |
819 | if (isprint (p[j ^ EBT])) |
820 | putchar (p[j ^ EBT]); | |
c906108c SS |
821 | else |
822 | putchar('.'); | |
823 | } | |
824 | } | |
825 | printf("\n\n"); | |
826 | } | |
827 | ||
828 | void | |
829 | dis_mem(addr, len, info) | |
830 | uint32 addr; | |
831 | uint32 len; | |
832 | struct disassemble_info *info; | |
833 | { | |
834 | uint32 i; | |
d3e9b40a JG |
835 | union { |
836 | unsigned char u8[4]; | |
837 | uint32 u32; | |
838 | } data; | |
c906108c SS |
839 | |
840 | for (i = addr & -3; i < ((addr & -3) + (len << 2)); i += 4) { | |
d3e9b40a JG |
841 | sis_memory_read (i, data.u8, 4); |
842 | printf (" %08x %08x ", i, data.u32); | |
53b5af48 | 843 | print_insn_sparc_sis(i, info); |
c906108c SS |
844 | if (i >= 0xfffffffc) break; |
845 | printf("\n"); | |
846 | } | |
847 | } | |
848 | ||
c906108c SS |
849 | /* Add event to event queue */ |
850 | ||
851 | void | |
852 | event(cfunc, arg, delta) | |
853 | void (*cfunc) (); | |
854 | int32 arg; | |
94110024 | 855 | uint64 delta; |
c906108c SS |
856 | { |
857 | struct evcell *ev1, *evins; | |
858 | ||
859 | if (ebase.freeq == NULL) { | |
860 | printf("Error, too many events in event queue\n"); | |
861 | return; | |
862 | } | |
863 | ev1 = &ebase.eq; | |
864 | delta += ebase.simtime; | |
865 | while ((ev1->nxt != NULL) && (ev1->nxt->time <= delta)) { | |
866 | ev1 = ev1->nxt; | |
867 | } | |
868 | if (ev1->nxt == NULL) { | |
869 | ev1->nxt = ebase.freeq; | |
870 | ebase.freeq = ebase.freeq->nxt; | |
871 | ev1->nxt->nxt = NULL; | |
872 | } else { | |
873 | evins = ebase.freeq; | |
874 | ebase.freeq = ebase.freeq->nxt; | |
875 | evins->nxt = ev1->nxt; | |
876 | ev1->nxt = evins; | |
877 | } | |
878 | ev1->nxt->time = delta; | |
879 | ev1->nxt->cfunc = cfunc; | |
880 | ev1->nxt->arg = arg; | |
881 | } | |
882 | ||
883 | #if 0 /* apparently not used */ | |
884 | void | |
885 | stop_event() | |
886 | { | |
887 | } | |
888 | #endif | |
889 | ||
890 | void | |
891 | init_event() | |
892 | { | |
893 | int32 i; | |
894 | ||
895 | ebase.eq.nxt = NULL; | |
896 | ebase.freeq = evbuf; | |
897 | for (i = 0; i < EVENT_MAX; i++) { | |
898 | evbuf[i].nxt = &evbuf[i + 1]; | |
899 | } | |
900 | evbuf[EVENT_MAX - 1].nxt = NULL; | |
901 | } | |
902 | ||
903 | void | |
904 | set_int(level, callback, arg) | |
905 | int32 level; | |
906 | void (*callback) (); | |
907 | int32 arg; | |
908 | { | |
909 | irqarr[level & 0x0f].callback = callback; | |
910 | irqarr[level & 0x0f].arg = arg; | |
911 | } | |
912 | ||
913 | /* Advance simulator time */ | |
914 | ||
915 | void | |
916 | advance_time(sregs) | |
917 | struct pstate *sregs; | |
918 | { | |
919 | ||
920 | struct evcell *evrem; | |
921 | void (*cfunc) (); | |
94110024 JS |
922 | uint32 arg; |
923 | uint64 endtime; | |
c906108c SS |
924 | |
925 | #ifdef STAT | |
926 | sregs->fholdt += sregs->fhold; | |
927 | sregs->holdt += sregs->hold; | |
928 | sregs->icntt += sregs->icnt; | |
929 | #endif | |
930 | ||
931 | endtime = ebase.simtime + sregs->icnt + sregs->hold + sregs->fhold; | |
932 | ||
933 | while ((ebase.eq.nxt->time <= (endtime)) && (ebase.eq.nxt != NULL)) { | |
934 | ebase.simtime = ebase.eq.nxt->time; | |
935 | cfunc = ebase.eq.nxt->cfunc; | |
936 | arg = ebase.eq.nxt->arg; | |
937 | evrem = ebase.eq.nxt; | |
938 | ebase.eq.nxt = ebase.eq.nxt->nxt; | |
939 | evrem->nxt = ebase.freeq; | |
940 | ebase.freeq = evrem; | |
941 | cfunc(arg); | |
942 | } | |
943 | ebase.simtime = endtime; | |
944 | ||
945 | } | |
946 | ||
947 | uint32 | |
948 | now() | |
949 | { | |
5831e29b | 950 | return ebase.simtime; |
c906108c SS |
951 | } |
952 | ||
953 | ||
954 | /* Advance time until an external interrupt is seen */ | |
955 | ||
956 | int | |
957 | wait_for_irq() | |
958 | { | |
959 | struct evcell *evrem; | |
960 | void (*cfunc) (); | |
94110024 JS |
961 | int32 arg; |
962 | uint64 endtime; | |
c906108c SS |
963 | |
964 | if (ebase.eq.nxt == NULL) | |
965 | printf("Warning: event queue empty - power-down mode not entered\n"); | |
966 | endtime = ebase.simtime; | |
967 | while (!ext_irl && (ebase.eq.nxt != NULL)) { | |
968 | ebase.simtime = ebase.eq.nxt->time; | |
969 | cfunc = ebase.eq.nxt->cfunc; | |
970 | arg = ebase.eq.nxt->arg; | |
971 | evrem = ebase.eq.nxt; | |
972 | ebase.eq.nxt = ebase.eq.nxt->nxt; | |
973 | evrem->nxt = ebase.freeq; | |
974 | ebase.freeq = evrem; | |
975 | cfunc(arg); | |
976 | if (ctrl_c) { | |
977 | printf("\bwarning: power-down mode interrupted\n"); | |
978 | break; | |
979 | } | |
980 | } | |
981 | sregs.pwdtime += ebase.simtime - endtime; | |
5831e29b | 982 | return ebase.simtime - endtime; |
c906108c SS |
983 | } |
984 | ||
985 | int | |
986 | check_bpt(sregs) | |
987 | struct pstate *sregs; | |
988 | { | |
989 | int32 i; | |
990 | ||
991 | if ((sregs->bphit) || (sregs->annul)) | |
5831e29b | 992 | return 0; |
c906108c SS |
993 | for (i = 0; i < (int32) sregs->bptnum; i++) { |
994 | if (sregs->pc == sregs->bpts[i]) | |
5831e29b | 995 | return BPT_HIT; |
c906108c | 996 | } |
5831e29b | 997 | return 0; |
c906108c SS |
998 | } |
999 | ||
1000 | void | |
1001 | reset_all() | |
1002 | { | |
1003 | init_event(); /* Clear event queue */ | |
1004 | init_regs(&sregs); | |
1005 | reset(); | |
1006 | #ifdef ERRINJ | |
1007 | errinjstart(); | |
1008 | #endif | |
1009 | } | |
1010 | ||
1011 | void | |
1012 | sys_reset() | |
1013 | { | |
1014 | reset_all(); | |
1015 | sregs.trap = 256; /* Force fake reset trap */ | |
1016 | } | |
1017 | ||
1018 | void | |
1019 | sys_halt() | |
1020 | { | |
1021 | sregs.trap = 257; /* Force fake halt trap */ | |
1022 | } | |
1023 | ||
1024 | #include "ansidecl.h" | |
1025 | ||
c906108c | 1026 | #include <stdarg.h> |
c906108c SS |
1027 | |
1028 | #include "libiberty.h" | |
1029 | #include "bfd.h" | |
1030 | ||
1031 | #define min(A, B) (((A) < (B)) ? (A) : (B)) | |
1032 | #define LOAD_ADDRESS 0 | |
1033 | ||
1034 | int | |
510d2751 | 1035 | bfd_load (const char *fname) |
c906108c SS |
1036 | { |
1037 | asection *section; | |
1038 | bfd *pbfd; | |
1039 | const bfd_arch_info_type *arch; | |
d3e9b40a | 1040 | int i; |
c906108c SS |
1041 | |
1042 | pbfd = bfd_openr(fname, 0); | |
1043 | ||
1044 | if (pbfd == NULL) { | |
1045 | printf("open of %s failed\n", fname); | |
5831e29b | 1046 | return -1; |
c906108c SS |
1047 | } |
1048 | if (!bfd_check_format(pbfd, bfd_object)) { | |
1049 | printf("file %s doesn't seem to be an object file\n", fname); | |
5831e29b | 1050 | return -1; |
c906108c SS |
1051 | } |
1052 | ||
1053 | arch = bfd_get_arch_info (pbfd); | |
c906108c SS |
1054 | if (sis_verbose) |
1055 | printf("loading %s:", fname); | |
1056 | for (section = pbfd->sections; section; section = section->next) { | |
1057 | if (bfd_get_section_flags(pbfd, section) & SEC_ALLOC) { | |
1058 | bfd_vma section_address; | |
1059 | unsigned long section_size; | |
1060 | const char *section_name; | |
1061 | ||
1062 | section_name = bfd_get_section_name(pbfd, section); | |
1063 | ||
1064 | section_address = bfd_get_section_vma(pbfd, section); | |
1065 | /* | |
1066 | * Adjust sections from a.out files, since they don't carry their | |
1067 | * addresses with. | |
1068 | */ | |
1069 | if (bfd_get_flavour(pbfd) == bfd_target_aout_flavour) { | |
1070 | if (strcmp (section_name, ".text") == 0) | |
1071 | section_address = bfd_get_start_address (pbfd); | |
1072 | else if (strcmp (section_name, ".data") == 0) { | |
1073 | /* Read the first 8 bytes of the data section. | |
1074 | There should be the string 'DaTa' followed by | |
1075 | a word containing the actual section address. */ | |
1076 | struct data_marker | |
1077 | { | |
1078 | char signature[4]; /* 'DaTa' */ | |
1079 | unsigned char sdata[4]; /* &sdata */ | |
1080 | } marker; | |
1081 | bfd_get_section_contents (pbfd, section, &marker, 0, | |
1082 | sizeof (marker)); | |
1083 | if (strncmp (marker.signature, "DaTa", 4) == 0) | |
1084 | { | |
d3e9b40a | 1085 | section_address = bfd_getb32 (marker.sdata); |
c906108c SS |
1086 | } |
1087 | } | |
1088 | } | |
1089 | ||
1090 | section_size = bfd_section_size(pbfd, section); | |
1091 | ||
1092 | if (sis_verbose) | |
1093 | printf("\nsection %s at 0x%08lx (0x%lx bytes)", | |
1094 | section_name, section_address, section_size); | |
1095 | ||
1096 | /* Text, data or lit */ | |
1097 | if (bfd_get_section_flags(pbfd, section) & SEC_LOAD) { | |
1098 | file_ptr fptr; | |
1099 | ||
1100 | fptr = 0; | |
1101 | ||
1102 | while (section_size > 0) { | |
1103 | char buffer[1024]; | |
1104 | int count; | |
1105 | ||
1106 | count = min(section_size, 1024); | |
1107 | ||
1108 | bfd_get_section_contents(pbfd, section, buffer, fptr, count); | |
1109 | ||
d3e9b40a JG |
1110 | for (i = 0; i < count; i++) |
1111 | sis_memory_write ((section_address + i) ^ EBT, &buffer[i], 1); | |
c906108c SS |
1112 | |
1113 | section_address += count; | |
1114 | fptr += count; | |
1115 | section_size -= count; | |
1116 | } | |
1117 | } else /* BSS */ | |
1118 | if (sis_verbose) | |
1119 | printf("(not loaded)"); | |
1120 | } | |
1121 | } | |
1122 | if (sis_verbose) | |
1123 | printf("\n"); | |
1124 | ||
5831e29b | 1125 | return bfd_get_start_address (pbfd); |
c906108c | 1126 | } |
96d67095 JG |
1127 | |
1128 | double get_time (void) | |
1129 | { | |
1130 | double usec; | |
1131 | ||
1132 | struct timeval tm; | |
1133 | ||
1134 | gettimeofday (&tm, NULL); | |
1135 | usec = ((double) tm.tv_sec) * 1E6 + ((double) tm.tv_usec); | |
5831e29b | 1136 | return usec / 1E6; |
96d67095 | 1137 | } |