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Commit | Line | Data |
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296730a5 MF |
1 | /* This file is part of SIS (SPARC instruction simulator) |
2 | ||
1d506c26 | 3 | Copyright (C) 1995-2024 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 | |
6df01ab8 MF |
19 | /* This must come before any other includes. */ |
20 | #include "defs.h" | |
21 | ||
c906108c SS |
22 | #include <signal.h> |
23 | #include <string.h> | |
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <ctype.h> | |
27 | #include "sis.h" | |
c906108c SS |
28 | #include <dis-asm.h> |
29 | #include "sim-config.h" | |
638fcdad | 30 | #include <inttypes.h> |
32a046ab | 31 | #include <sys/time.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; | |
4a92dedc | 52 | uint32_t last_load_addr = 0; |
c906108c SS |
53 | |
54 | #ifdef ERRINJ | |
4a92dedc MF |
55 | uint32_t errcnt = 0; |
56 | uint32_t errper = 0; | |
57 | uint32_t errtt = 0; | |
58 | uint32_t errftt = 0; | |
59 | uint32_t errmec = 0; | |
c906108c SS |
60 | #endif |
61 | ||
62 | /* Forward declarations */ | |
63 | ||
bdca5ee4 | 64 | static int batch (struct pstate *sregs, char *fname); |
4a92dedc | 65 | static void set_rega (struct pstate *sregs, char *reg, uint32_t rval); |
bdca5ee4 | 66 | static void disp_reg (struct pstate *sregs, char *reg); |
4a92dedc MF |
67 | static uint32_t limcalc (float32 freq); |
68 | static void int_handler (int32_t sig); | |
bdca5ee4 TT |
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); | |
4a92dedc | 73 | static void disp_mem (uint32_t addr, uint32_t len); |
c906108c SS |
74 | |
75 | static int | |
81e6e8ae | 76 | batch(struct pstate *sregs, char *fname) |
c906108c SS |
77 | { |
78 | FILE *fp; | |
b9f9ea2f JG |
79 | char *lbuf = NULL; |
80 | size_t len = 0; | |
81 | size_t slen; | |
c906108c SS |
82 | |
83 | if ((fp = fopen(fname, "r")) == NULL) { | |
84 | fprintf(stderr, "couldn't open batch file %s\n", fname); | |
5831e29b | 85 | return 0; |
c906108c | 86 | } |
b9f9ea2f JG |
87 | while (getline(&lbuf, &len, fp) > -1) { |
88 | slen = strlen(lbuf); | |
89 | if (slen && (lbuf[slen - 1] == '\n')) { | |
90 | lbuf[slen - 1] = 0; | |
91 | printf("sis> %s\n", lbuf); | |
92 | exec_cmd(sregs, lbuf); | |
93 | } | |
c906108c | 94 | } |
b9f9ea2f | 95 | free(lbuf); |
c906108c | 96 | fclose(fp); |
5831e29b | 97 | return 1; |
c906108c SS |
98 | } |
99 | ||
100 | void | |
4a92dedc | 101 | set_regi(struct pstate *sregs, int32_t reg, uint32_t rval) |
c906108c | 102 | { |
4a92dedc | 103 | uint32_t cwp; |
c906108c SS |
104 | |
105 | cwp = ((sregs->psr & 0x7) << 4); | |
106 | if ((reg > 0) && (reg < 8)) { | |
107 | sregs->g[reg] = rval; | |
108 | } else if ((reg >= 8) && (reg < 32)) { | |
109 | sregs->r[(cwp + reg) & 0x7f] = rval; | |
110 | } else if ((reg >= 32) && (reg < 64)) { | |
111 | sregs->fsi[reg - 32] = rval; | |
112 | } else { | |
113 | switch (reg) { | |
114 | case 64: | |
115 | sregs->y = rval; | |
116 | break; | |
117 | case 65: | |
118 | sregs->psr = rval; | |
119 | break; | |
120 | case 66: | |
121 | sregs->wim = rval; | |
122 | break; | |
123 | case 67: | |
124 | sregs->tbr = rval; | |
125 | break; | |
126 | case 68: | |
127 | sregs->pc = rval; | |
128 | break; | |
129 | case 69: | |
130 | sregs->npc = rval; | |
131 | break; | |
132 | case 70: | |
133 | sregs->fsr = rval; | |
134 | set_fsr(rval); | |
135 | break; | |
136 | default:break; | |
137 | } | |
138 | } | |
139 | } | |
140 | ||
141 | void | |
4a92dedc | 142 | get_regi(struct pstate * sregs, int32_t reg, unsigned char *buf) |
c906108c | 143 | { |
4a92dedc MF |
144 | uint32_t cwp; |
145 | uint32_t rval = 0; | |
c906108c SS |
146 | |
147 | cwp = ((sregs->psr & 0x7) << 4); | |
148 | if ((reg >= 0) && (reg < 8)) { | |
149 | rval = sregs->g[reg]; | |
150 | } else if ((reg >= 8) && (reg < 32)) { | |
151 | rval = sregs->r[(cwp + reg) & 0x7f]; | |
152 | } else if ((reg >= 32) && (reg < 64)) { | |
153 | rval = sregs->fsi[reg - 32]; | |
154 | } else { | |
155 | switch (reg) { | |
156 | case 64: | |
157 | rval = sregs->y; | |
158 | break; | |
159 | case 65: | |
160 | rval = sregs->psr; | |
161 | break; | |
162 | case 66: | |
163 | rval = sregs->wim; | |
164 | break; | |
165 | case 67: | |
166 | rval = sregs->tbr; | |
167 | break; | |
168 | case 68: | |
169 | rval = sregs->pc; | |
170 | break; | |
171 | case 69: | |
172 | rval = sregs->npc; | |
173 | break; | |
174 | case 70: | |
175 | rval = sregs->fsr; | |
176 | break; | |
177 | default:break; | |
178 | } | |
179 | } | |
d3e9b40a JG |
180 | buf[0] = (rval >> 24) & 0x0ff; |
181 | buf[1] = (rval >> 16) & 0x0ff; | |
182 | buf[2] = (rval >> 8) & 0x0ff; | |
183 | buf[3] = rval & 0x0ff; | |
c906108c SS |
184 | } |
185 | ||
186 | ||
187 | static void | |
4a92dedc | 188 | set_rega(struct pstate *sregs, char *reg, uint32_t rval) |
c906108c | 189 | { |
4a92dedc MF |
190 | uint32_t cwp; |
191 | int32_t err = 0; | |
c906108c SS |
192 | |
193 | cwp = ((sregs->psr & 0x7) << 4); | |
194 | if (strcmp(reg, "psr") == 0) | |
195 | sregs->psr = (rval = (rval & 0x00f03fff)); | |
196 | else if (strcmp(reg, "tbr") == 0) | |
197 | sregs->tbr = (rval = (rval & 0xfffffff0)); | |
198 | else if (strcmp(reg, "wim") == 0) | |
199 | sregs->wim = (rval = (rval & 0x0ff)); | |
200 | else if (strcmp(reg, "y") == 0) | |
201 | sregs->y = rval; | |
202 | else if (strcmp(reg, "pc") == 0) | |
203 | sregs->pc = rval; | |
204 | else if (strcmp(reg, "npc") == 0) | |
205 | sregs->npc = rval; | |
206 | else if (strcmp(reg, "fsr") == 0) { | |
207 | sregs->fsr = rval; | |
208 | set_fsr(rval); | |
209 | } else if (strcmp(reg, "g0") == 0) | |
210 | err = 2; | |
211 | else if (strcmp(reg, "g1") == 0) | |
212 | sregs->g[1] = rval; | |
213 | else if (strcmp(reg, "g2") == 0) | |
214 | sregs->g[2] = rval; | |
215 | else if (strcmp(reg, "g3") == 0) | |
216 | sregs->g[3] = rval; | |
217 | else if (strcmp(reg, "g4") == 0) | |
218 | sregs->g[4] = rval; | |
219 | else if (strcmp(reg, "g5") == 0) | |
220 | sregs->g[5] = rval; | |
221 | else if (strcmp(reg, "g6") == 0) | |
222 | sregs->g[6] = rval; | |
223 | else if (strcmp(reg, "g7") == 0) | |
224 | sregs->g[7] = rval; | |
225 | else if (strcmp(reg, "o0") == 0) | |
226 | sregs->r[(cwp + 8) & 0x7f] = rval; | |
227 | else if (strcmp(reg, "o1") == 0) | |
228 | sregs->r[(cwp + 9) & 0x7f] = rval; | |
229 | else if (strcmp(reg, "o2") == 0) | |
230 | sregs->r[(cwp + 10) & 0x7f] = rval; | |
231 | else if (strcmp(reg, "o3") == 0) | |
232 | sregs->r[(cwp + 11) & 0x7f] = rval; | |
233 | else if (strcmp(reg, "o4") == 0) | |
234 | sregs->r[(cwp + 12) & 0x7f] = rval; | |
235 | else if (strcmp(reg, "o5") == 0) | |
236 | sregs->r[(cwp + 13) & 0x7f] = rval; | |
237 | else if (strcmp(reg, "o6") == 0) | |
238 | sregs->r[(cwp + 14) & 0x7f] = rval; | |
239 | else if (strcmp(reg, "o7") == 0) | |
240 | sregs->r[(cwp + 15) & 0x7f] = rval; | |
241 | else if (strcmp(reg, "l0") == 0) | |
242 | sregs->r[(cwp + 16) & 0x7f] = rval; | |
243 | else if (strcmp(reg, "l1") == 0) | |
244 | sregs->r[(cwp + 17) & 0x7f] = rval; | |
245 | else if (strcmp(reg, "l2") == 0) | |
246 | sregs->r[(cwp + 18) & 0x7f] = rval; | |
247 | else if (strcmp(reg, "l3") == 0) | |
248 | sregs->r[(cwp + 19) & 0x7f] = rval; | |
249 | else if (strcmp(reg, "l4") == 0) | |
250 | sregs->r[(cwp + 20) & 0x7f] = rval; | |
251 | else if (strcmp(reg, "l5") == 0) | |
252 | sregs->r[(cwp + 21) & 0x7f] = rval; | |
253 | else if (strcmp(reg, "l6") == 0) | |
254 | sregs->r[(cwp + 22) & 0x7f] = rval; | |
255 | else if (strcmp(reg, "l7") == 0) | |
256 | sregs->r[(cwp + 23) & 0x7f] = rval; | |
257 | else if (strcmp(reg, "i0") == 0) | |
258 | sregs->r[(cwp + 24) & 0x7f] = rval; | |
259 | else if (strcmp(reg, "i1") == 0) | |
260 | sregs->r[(cwp + 25) & 0x7f] = rval; | |
261 | else if (strcmp(reg, "i2") == 0) | |
262 | sregs->r[(cwp + 26) & 0x7f] = rval; | |
263 | else if (strcmp(reg, "i3") == 0) | |
264 | sregs->r[(cwp + 27) & 0x7f] = rval; | |
265 | else if (strcmp(reg, "i4") == 0) | |
266 | sregs->r[(cwp + 28) & 0x7f] = rval; | |
267 | else if (strcmp(reg, "i5") == 0) | |
268 | sregs->r[(cwp + 29) & 0x7f] = rval; | |
269 | else if (strcmp(reg, "i6") == 0) | |
270 | sregs->r[(cwp + 30) & 0x7f] = rval; | |
271 | else if (strcmp(reg, "i7") == 0) | |
272 | sregs->r[(cwp + 31) & 0x7f] = rval; | |
273 | else | |
274 | err = 1; | |
275 | switch (err) { | |
276 | case 0: | |
277 | printf("%s = %d (0x%08x)\n", reg, rval, rval); | |
278 | break; | |
279 | case 1: | |
280 | printf("no such regiser: %s\n", reg); | |
281 | break; | |
282 | case 2: | |
283 | printf("cannot set g0\n"); | |
284 | break; | |
285 | default: | |
286 | break; | |
287 | } | |
288 | ||
289 | } | |
290 | ||
291 | static void | |
81e6e8ae | 292 | disp_reg(struct pstate *sregs, char *reg) |
c906108c SS |
293 | { |
294 | if (strncmp(reg, "w",1) == 0) | |
295 | disp_regs(sregs, VAL(®[1])); | |
296 | } | |
297 | ||
298 | #ifdef ERRINJ | |
299 | ||
300 | void | |
e47530f7 | 301 | errinj (int32_t arg ATTRIBUTE_UNUSED) |
c906108c SS |
302 | { |
303 | int err; | |
304 | ||
305 | switch (err = (random() % 12)) { | |
306 | case 0: errtt = 0x61; break; | |
307 | case 1: errtt = 0x62; break; | |
308 | case 2: errtt = 0x63; break; | |
309 | case 3: errtt = 0x64; break; | |
310 | case 4: errtt = 0x65; break; | |
311 | case 5: | |
312 | case 6: | |
313 | case 7: errftt = err; | |
314 | break; | |
315 | case 8: errmec = 1; break; | |
316 | case 9: errmec = 2; break; | |
317 | case 10: errmec = 5; break; | |
318 | case 11: errmec = 6; break; | |
319 | } | |
320 | errcnt++; | |
321 | if (errper) event(errinj, 0, (random()%errper)); | |
322 | } | |
323 | ||
324 | void | |
dc4e697f | 325 | errinjstart (void) |
c906108c SS |
326 | { |
327 | if (errper) event(errinj, 0, (random()%errper)); | |
328 | } | |
329 | ||
330 | #endif | |
331 | ||
4a92dedc | 332 | static uint32_t |
81e6e8ae | 333 | limcalc (float32 freq) |
c906108c | 334 | { |
4a92dedc | 335 | uint32_t unit, lim; |
c906108c SS |
336 | double flim; |
337 | char *cmd1, *cmd2; | |
338 | ||
339 | unit = 1; | |
340 | lim = -1; | |
341 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
342 | lim = VAL(cmd1); | |
343 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
344 | if (strcmp(cmd2,"us")==0) unit = 1; | |
345 | if (strcmp(cmd2,"ms")==0) unit = 1000; | |
346 | if (strcmp(cmd2,"s")==0) unit = 1000000; | |
347 | } | |
348 | flim = (double) lim * (double) unit * (double) freq + | |
349 | (double) ebase.simtime; | |
350 | if ((flim > ebase.simtime) && (flim < 4294967296.0)) { | |
4a92dedc | 351 | lim = (uint32_t) flim; |
c906108c SS |
352 | } else { |
353 | printf("error in expression\n"); | |
354 | lim = -1; | |
355 | } | |
356 | } | |
5831e29b | 357 | return lim; |
c906108c | 358 | } |
510d2751 | 359 | |
c906108c | 360 | int |
510d2751 | 361 | exec_cmd(struct pstate *sregs, const char *cmd) |
c906108c SS |
362 | { |
363 | char *cmd1, *cmd2; | |
4a92dedc MF |
364 | int32_t stat; |
365 | uint32_t len, i, clen, j; | |
366 | static uint32_t daddr = 0; | |
510d2751 | 367 | char *cmdsave, *cmdsave2 = NULL; |
c906108c SS |
368 | |
369 | stat = OK; | |
370 | cmdsave = strdup(cmd); | |
510d2751 JG |
371 | cmdsave2 = strdup (cmd); |
372 | if ((cmd1 = strtok (cmdsave2, " \t")) != NULL) { | |
c906108c SS |
373 | clen = strlen(cmd1); |
374 | if (strncmp(cmd1, "bp", clen) == 0) { | |
375 | for (i = 0; i < sregs->bptnum; i++) { | |
376 | printf(" %d : 0x%08x\n", i + 1, sregs->bpts[i]); | |
377 | } | |
378 | } else if (strncmp(cmd1, "+bp", clen) == 0) { | |
379 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
380 | sregs->bpts[sregs->bptnum] = VAL(cmd1) & ~0x3; | |
381 | printf("added breakpoint %d at 0x%08x\n", | |
382 | sregs->bptnum + 1, sregs->bpts[sregs->bptnum]); | |
383 | sregs->bptnum += 1; | |
384 | } | |
385 | } else if (strncmp(cmd1, "-bp", clen) == 0) { | |
386 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
387 | i = VAL(cmd1) - 1; | |
388 | if ((i >= 0) && (i < sregs->bptnum)) { | |
389 | printf("deleted breakpoint %d at 0x%08x\n", i + 1, | |
390 | sregs->bpts[i]); | |
391 | for (; i < sregs->bptnum - 1; i++) { | |
392 | sregs->bpts[i] = sregs->bpts[i + 1]; | |
393 | } | |
394 | sregs->bptnum -= 1; | |
395 | } | |
396 | } | |
397 | } else if (strncmp(cmd1, "batch", clen) == 0) { | |
398 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
399 | printf("no file specified\n"); | |
400 | } else { | |
401 | batch(sregs, cmd1); | |
402 | } | |
403 | } else if (strncmp(cmd1, "cont", clen) == 0) { | |
404 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 405 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
406 | } else { |
407 | stat = run_sim(sregs, VAL(cmd1), 0); | |
408 | } | |
409 | daddr = sregs->pc; | |
410 | sim_halt(); | |
411 | } else if (strncmp(cmd1, "debug", clen) == 0) { | |
412 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
413 | sis_verbose = VAL(cmd1); | |
414 | } | |
415 | printf("Debug level = %d\n",sis_verbose); | |
416 | } else if (strncmp(cmd1, "dis", clen) == 0) { | |
417 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
418 | daddr = VAL(cmd1); | |
419 | } | |
420 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
421 | len = VAL(cmd2); | |
422 | } else | |
423 | len = 16; | |
424 | printf("\n"); | |
425 | dis_mem(daddr, len, &dinfo); | |
426 | printf("\n"); | |
427 | daddr += len * 4; | |
428 | } else if (strncmp(cmd1, "echo", clen) == 0) { | |
429 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
430 | printf("%s\n", (&cmdsave[clen+1])); | |
431 | } | |
432 | #ifdef ERRINJ | |
433 | } else if (strncmp(cmd1, "error", clen) == 0) { | |
434 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
435 | errper = VAL(cmd1); | |
436 | if (errper) { | |
437 | event(errinj, 0, (len = (random()%errper))); | |
438 | printf("Error injection started with period %d\n",len); | |
439 | } | |
440 | } else printf("Injected errors: %d\n",errcnt); | |
441 | #endif | |
442 | } else if (strncmp(cmd1, "float", clen) == 0) { | |
443 | stat = disp_fpu(sregs); | |
444 | } else if (strncmp(cmd1, "go", clen) == 0) { | |
445 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
446 | len = last_load_addr; | |
447 | } else { | |
448 | len = VAL(cmd1); | |
449 | } | |
450 | sregs->pc = len & ~3; | |
451 | sregs->npc = sregs->pc + 4; | |
20a0ffe3 JG |
452 | if ((sregs->pc != 0) && (ebase.simtime == 0)) |
453 | boot_init(); | |
c906108c SS |
454 | printf("resuming at 0x%08x\n",sregs->pc); |
455 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
456 | stat = run_sim(sregs, VAL(cmd2), 0); | |
457 | } else { | |
94110024 | 458 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
459 | } |
460 | daddr = sregs->pc; | |
461 | sim_halt(); | |
462 | } else if (strncmp(cmd1, "help", clen) == 0) { | |
463 | gen_help(); | |
464 | } else if (strncmp(cmd1, "history", clen) == 0) { | |
465 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
466 | sregs->histlen = VAL(cmd1); | |
467 | if (sregs->histbuf != NULL) | |
468 | free(sregs->histbuf); | |
469 | sregs->histbuf = (struct histype *) calloc(sregs->histlen, sizeof(struct histype)); | |
470 | printf("trace history length = %d\n\r", sregs->histlen); | |
471 | sregs->histind = 0; | |
472 | ||
473 | } else { | |
474 | j = sregs->histind; | |
475 | for (i = 0; i < sregs->histlen; i++) { | |
476 | if (j >= sregs->histlen) | |
477 | j = 0; | |
478 | printf(" %8d ", sregs->histbuf[j].time); | |
479 | dis_mem(sregs->histbuf[j].addr, 1, &dinfo); | |
480 | j++; | |
481 | } | |
482 | } | |
483 | ||
484 | } else if (strncmp(cmd1, "load", clen) == 0) { | |
485 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
486 | last_load_addr = bfd_load(cmd1); | |
487 | while ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
488 | last_load_addr = bfd_load(cmd1); | |
489 | } else { | |
490 | printf("load: no file specified\n"); | |
491 | } | |
492 | } else if (strncmp(cmd1, "mem", clen) == 0) { | |
493 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
494 | daddr = VAL(cmd1); | |
495 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) | |
496 | len = VAL(cmd2); | |
497 | else | |
498 | len = 64; | |
499 | disp_mem(daddr, len); | |
500 | daddr += len; | |
501 | } else if (strncmp(cmd1, "perf", clen) == 0) { | |
502 | cmd1 = strtok(NULL, " \t\n\r"); | |
503 | if ((cmd1 != NULL) && | |
504 | (strncmp(cmd1, "reset", strlen(cmd1)) == 0)) { | |
505 | reset_stat(sregs); | |
506 | } else | |
507 | show_stat(sregs); | |
508 | } else if (strncmp(cmd1, "quit", clen) == 0) { | |
509 | exit(0); | |
510 | } else if (strncmp(cmd1, "reg", clen) == 0) { | |
511 | cmd1 = strtok(NULL, " \t\n\r"); | |
512 | cmd2 = strtok(NULL, " \t\n\r"); | |
513 | if (cmd2 != NULL) | |
514 | set_rega(sregs, cmd1, VAL(cmd2)); | |
515 | else if (cmd1 != NULL) | |
516 | disp_reg(sregs, cmd1); | |
517 | else { | |
518 | disp_regs(sregs,sregs->psr); | |
519 | disp_ctrl(sregs); | |
520 | } | |
521 | } else if (strncmp(cmd1, "reset", clen) == 0) { | |
522 | ebase.simtime = 0; | |
523 | reset_all(); | |
524 | reset_stat(sregs); | |
525 | } else if (strncmp(cmd1, "run", clen) == 0) { | |
526 | ebase.simtime = 0; | |
527 | reset_all(); | |
528 | reset_stat(sregs); | |
529 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 530 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
531 | } else { |
532 | stat = run_sim(sregs, VAL(cmd1), 0); | |
533 | } | |
534 | daddr = sregs->pc; | |
535 | sim_halt(); | |
536 | } else if (strncmp(cmd1, "shell", clen) == 0) { | |
537 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
b9f9ea2f JG |
538 | if (system(&cmdsave[clen])) { |
539 | /* Silence unused return value warning. */ | |
540 | } | |
c906108c SS |
541 | } |
542 | } else if (strncmp(cmd1, "step", clen) == 0) { | |
543 | stat = run_sim(sregs, 1, 1); | |
544 | daddr = sregs->pc; | |
545 | sim_halt(); | |
546 | } else if (strncmp(cmd1, "tcont", clen) == 0) { | |
547 | sregs->tlimit = limcalc(sregs->freq); | |
94110024 | 548 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
549 | daddr = sregs->pc; |
550 | sim_halt(); | |
551 | } else if (strncmp(cmd1, "tgo", clen) == 0) { | |
552 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
553 | len = last_load_addr; | |
554 | } else { | |
555 | len = VAL(cmd1); | |
556 | sregs->tlimit = limcalc(sregs->freq); | |
557 | } | |
558 | sregs->pc = len & ~3; | |
559 | sregs->npc = sregs->pc + 4; | |
560 | printf("resuming at 0x%08x\n",sregs->pc); | |
94110024 | 561 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
562 | daddr = sregs->pc; |
563 | sim_halt(); | |
564 | } else if (strncmp(cmd1, "tlimit", clen) == 0) { | |
565 | sregs->tlimit = limcalc(sregs->freq); | |
4a92dedc MF |
566 | if (sregs->tlimit != (uint32_t) -1) |
567 | printf("simulation limit = %u (%.3f ms)\n",(uint32_t) sregs->tlimit, | |
c906108c SS |
568 | sregs->tlimit / sregs->freq / 1000); |
569 | } else if (strncmp(cmd1, "tra", clen) == 0) { | |
570 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
94110024 | 571 | stat = run_sim(sregs, UINT64_MAX, 1); |
c906108c SS |
572 | } else { |
573 | stat = run_sim(sregs, VAL(cmd1), 1); | |
574 | } | |
575 | printf("\n"); | |
576 | daddr = sregs->pc; | |
577 | sim_halt(); | |
578 | } else if (strncmp(cmd1, "trun", clen) == 0) { | |
579 | ebase.simtime = 0; | |
580 | reset_all(); | |
581 | reset_stat(sregs); | |
582 | sregs->tlimit = limcalc(sregs->freq); | |
94110024 | 583 | stat = run_sim(sregs, UINT64_MAX, 0); |
c906108c SS |
584 | daddr = sregs->pc; |
585 | sim_halt(); | |
586 | } else | |
587 | printf("syntax error\n"); | |
588 | } | |
510d2751 JG |
589 | if (cmdsave2 != NULL) |
590 | free(cmdsave2); | |
c906108c SS |
591 | if (cmdsave != NULL) |
592 | free(cmdsave); | |
5831e29b | 593 | return stat; |
c906108c SS |
594 | } |
595 | ||
596 | ||
597 | void | |
81e6e8ae | 598 | reset_stat(struct pstate *sregs) |
c906108c | 599 | { |
96d67095 | 600 | sregs->tottime = 0.0; |
c906108c SS |
601 | sregs->pwdtime = 0; |
602 | sregs->ninst = 0; | |
603 | sregs->fholdt = 0; | |
604 | sregs->holdt = 0; | |
605 | sregs->icntt = 0; | |
606 | sregs->finst = 0; | |
607 | sregs->nstore = 0; | |
608 | sregs->nload = 0; | |
609 | sregs->nbranch = 0; | |
610 | sregs->simstart = ebase.simtime; | |
611 | ||
612 | } | |
613 | ||
614 | void | |
81e6e8ae | 615 | show_stat(struct pstate *sregs) |
c906108c | 616 | { |
c6ce030b | 617 | #ifdef STAT |
4a92dedc | 618 | uint32_t iinst; |
c6ce030b | 619 | #endif |
4a92dedc | 620 | uint32_t stime; |
c906108c | 621 | |
96d67095 JG |
622 | if (sregs->tottime == 0.0) |
623 | sregs->tottime += 1E-6; | |
c906108c SS |
624 | stime = ebase.simtime - sregs->simstart; /* Total simulated time */ |
625 | #ifdef STAT | |
626 | ||
627 | iinst = sregs->ninst - sregs->finst - sregs->nload - sregs->nstore - | |
628 | sregs->nbranch; | |
629 | #endif | |
630 | ||
638fcdad JG |
631 | printf("\n Cycles : %9" PRIu64 "\n\r", ebase.simtime - sregs->simstart); |
632 | printf(" Instructions : %9" PRIu64 "\n", sregs->ninst); | |
c906108c SS |
633 | |
634 | #ifdef STAT | |
635 | printf(" integer : %9.2f %%\n", 100.0 * (float) iinst / (float) sregs->ninst); | |
636 | printf(" load : %9.2f %%\n", | |
637 | 100.0 * (float) sregs->nload / (float) sregs->ninst); | |
638 | printf(" store : %9.2f %%\n", | |
639 | 100.0 * (float) sregs->nstore / (float) sregs->ninst); | |
640 | printf(" branch : %9.2f %%\n", | |
641 | 100.0 * (float) sregs->nbranch / (float) sregs->ninst); | |
642 | printf(" float : %9.2f %%\n", | |
643 | 100.0 * (float) sregs->finst / (float) sregs->ninst); | |
644 | printf(" Integer CPI : %9.2f\n", | |
645 | ((float) (stime - sregs->pwdtime - sregs->fholdt - sregs->finst)) | |
646 | / | |
647 | (float) (sregs->ninst - sregs->finst)); | |
648 | printf(" Float CPI : %9.2f\n", | |
649 | ((float) sregs->fholdt / (float) sregs->finst) + 1.0); | |
650 | #endif | |
651 | printf(" Overall CPI : %9.2f\n", | |
652 | (float) (stime - sregs->pwdtime) / (float) sregs->ninst); | |
653 | printf("\n ERC32 performance (%4.1f MHz): %5.2f MOPS (%5.2f MIPS, %5.2f MFLOPS)\n", | |
654 | sregs->freq, sregs->freq * (float) sregs->ninst / (float) (stime - sregs->pwdtime), | |
655 | sregs->freq * (float) (sregs->ninst - sregs->finst) / | |
656 | (float) (stime - sregs->pwdtime), | |
657 | sregs->freq * (float) sregs->finst / (float) (stime - sregs->pwdtime)); | |
96d67095 JG |
658 | printf(" Simulated ERC32 time : %.2f s\n", |
659 | (float) (ebase.simtime - sregs->simstart) / 1000000.0 / sregs->freq); | |
660 | printf(" Processor utilisation : %.2f %%\n", | |
661 | 100.0 * (1.0 - ((float) sregs->pwdtime / (float) stime))); | |
662 | printf(" Real-time performance : %.2f %%\n", | |
663 | 100.0 / (sregs->tottime / ((double) (stime) / (sregs->freq * 1.0E6)))); | |
664 | printf(" Simulator performance : %.2f MIPS\n", | |
665 | (double)(sregs->ninst) / sregs->tottime / 1E6); | |
666 | printf(" Used time (sys + user) : %.2f s\n\n", sregs->tottime); | |
c906108c SS |
667 | } |
668 | ||
669 | ||
670 | ||
671 | void | |
81e6e8ae | 672 | init_bpt(struct pstate *sregs) |
c906108c SS |
673 | { |
674 | sregs->bptnum = 0; | |
675 | sregs->histlen = 0; | |
676 | sregs->histind = 0; | |
677 | sregs->histbuf = NULL; | |
678 | sregs->tlimit = -1; | |
679 | } | |
680 | ||
681 | static void | |
4a92dedc | 682 | int_handler(int32_t sig) |
c906108c SS |
683 | { |
684 | if (sig != 2) | |
685 | printf("\n\n Signal handler error (%d)\n\n", sig); | |
686 | ctrl_c = 1; | |
687 | } | |
688 | ||
689 | void | |
81e6e8ae | 690 | init_signals(void) |
c906108c | 691 | { |
89d7fc2a MF |
692 | signal(SIGTERM, int_handler); |
693 | signal(SIGINT, int_handler); | |
c906108c SS |
694 | } |
695 | ||
696 | ||
697 | extern struct disassemble_info dinfo; | |
698 | ||
699 | struct estate ebase; | |
700 | struct evcell evbuf[EVENT_MAX]; | |
701 | struct irqcell irqarr[16]; | |
702 | ||
703 | static int | |
81e6e8ae | 704 | disp_fpu(struct pstate *sregs) |
c906108c SS |
705 | { |
706 | ||
707 | int i; | |
c906108c SS |
708 | |
709 | printf("\n fsr: %08X\n\n", sregs->fsr); | |
710 | ||
9c5f41df | 711 | #ifdef HOST_LITTLE_ENDIAN |
c906108c SS |
712 | for (i = 0; i < 32; i++) |
713 | sregs->fdp[i ^ 1] = sregs->fs[i]; | |
714 | #endif | |
715 | ||
716 | for (i = 0; i < 32; i++) { | |
c906108c SS |
717 | printf(" f%02d %08x %14e ", i, sregs->fsi[i], sregs->fs[i]); |
718 | if (!(i & 1)) | |
719 | printf("%14e\n", sregs->fd[i >> 1]); | |
720 | else | |
721 | printf("\n"); | |
722 | } | |
723 | printf("\n"); | |
5831e29b | 724 | return OK; |
c906108c SS |
725 | } |
726 | ||
727 | static void | |
81e6e8ae | 728 | disp_regs(struct pstate *sregs, int cwp) |
c906108c SS |
729 | { |
730 | ||
731 | int i; | |
732 | ||
733 | cwp = ((cwp & 0x7) << 4); | |
734 | printf("\n\t INS LOCALS OUTS GLOBALS\n"); | |
735 | for (i = 0; i < 8; i++) { | |
736 | printf(" %d: %08X %08X %08X %08X\n", i, | |
737 | sregs->r[(cwp + i + 24) & 0x7f], | |
738 | sregs->r[(cwp + i + 16) & 0x7f], sregs->r[(cwp + i + 8) & 0x7f], | |
739 | sregs->g[i]); | |
740 | } | |
741 | } | |
742 | ||
4a92dedc | 743 | static void print_insn_sparc_sis(uint32_t addr, struct disassemble_info *info) |
53b5af48 JG |
744 | { |
745 | unsigned char i[4]; | |
746 | ||
747 | sis_memory_read(addr, i, 4); | |
748 | dinfo.buffer_vma = addr; | |
749 | dinfo.buffer_length = 4; | |
750 | dinfo.buffer = i; | |
751 | print_insn_sparc(addr, info); | |
752 | } | |
753 | ||
c906108c | 754 | static void |
81e6e8ae | 755 | disp_ctrl(struct pstate *sregs) |
c906108c SS |
756 | { |
757 | ||
4a92dedc | 758 | uint32_t i; |
c906108c SS |
759 | |
760 | printf("\n psr: %08X wim: %08X tbr: %08X y: %08X\n", | |
761 | sregs->psr, sregs->wim, sregs->tbr, sregs->y); | |
d3e9b40a JG |
762 | sis_memory_read (sregs->pc, (char *) &i, 4); |
763 | printf ("\n pc: %08X = %08X ", sregs->pc, i); | |
53b5af48 | 764 | print_insn_sparc_sis(sregs->pc, &dinfo); |
d3e9b40a JG |
765 | sis_memory_read (sregs->npc, (char *) &i, 4); |
766 | printf ("\n npc: %08X = %08X ", sregs->npc, i); | |
53b5af48 | 767 | print_insn_sparc_sis(sregs->npc, &dinfo); |
c906108c SS |
768 | if (sregs->err_mode) |
769 | printf("\n IU in error mode"); | |
770 | printf("\n\n"); | |
771 | } | |
772 | ||
773 | static void | |
4a92dedc | 774 | disp_mem(uint32_t addr, uint32_t len) |
c906108c SS |
775 | { |
776 | ||
4a92dedc | 777 | uint32_t i; |
d3e9b40a JG |
778 | union { |
779 | unsigned char u8[4]; | |
4a92dedc | 780 | uint32_t u32; |
d3e9b40a | 781 | } data; |
4a92dedc | 782 | uint32_t mem[4], j; |
c906108c SS |
783 | char *p; |
784 | ||
785 | for (i = addr & ~3; i < ((addr + len) & ~3); i += 16) { | |
786 | printf("\n %8X ", i); | |
787 | for (j = 0; j < 4; j++) { | |
d3e9b40a JG |
788 | sis_memory_read ((i + (j * 4)), data.u8, 4); |
789 | printf ("%08x ", data.u32); | |
790 | mem[j] = data.u32; | |
c906108c SS |
791 | } |
792 | printf(" "); | |
793 | p = (char *) mem; | |
794 | for (j = 0; j < 16; j++) { | |
d3e9b40a JG |
795 | if (isprint (p[j ^ EBT])) |
796 | putchar (p[j ^ EBT]); | |
c906108c SS |
797 | else |
798 | putchar('.'); | |
799 | } | |
800 | } | |
801 | printf("\n\n"); | |
802 | } | |
803 | ||
804 | void | |
4a92dedc | 805 | dis_mem(uint32_t addr, uint32_t len, struct disassemble_info *info) |
c906108c | 806 | { |
4a92dedc | 807 | uint32_t i; |
d3e9b40a JG |
808 | union { |
809 | unsigned char u8[4]; | |
4a92dedc | 810 | uint32_t u32; |
d3e9b40a | 811 | } data; |
c906108c SS |
812 | |
813 | for (i = addr & -3; i < ((addr & -3) + (len << 2)); i += 4) { | |
d3e9b40a JG |
814 | sis_memory_read (i, data.u8, 4); |
815 | printf (" %08x %08x ", i, data.u32); | |
53b5af48 | 816 | print_insn_sparc_sis(i, info); |
c906108c SS |
817 | if (i >= 0xfffffffc) break; |
818 | printf("\n"); | |
819 | } | |
820 | } | |
821 | ||
c906108c SS |
822 | /* Add event to event queue */ |
823 | ||
824 | void | |
e47530f7 | 825 | event(void (*cfunc) (int32_t), int32_t arg, uint64_t delta) |
c906108c SS |
826 | { |
827 | struct evcell *ev1, *evins; | |
828 | ||
829 | if (ebase.freeq == NULL) { | |
830 | printf("Error, too many events in event queue\n"); | |
831 | return; | |
832 | } | |
833 | ev1 = &ebase.eq; | |
834 | delta += ebase.simtime; | |
835 | while ((ev1->nxt != NULL) && (ev1->nxt->time <= delta)) { | |
836 | ev1 = ev1->nxt; | |
837 | } | |
838 | if (ev1->nxt == NULL) { | |
839 | ev1->nxt = ebase.freeq; | |
840 | ebase.freeq = ebase.freeq->nxt; | |
841 | ev1->nxt->nxt = NULL; | |
842 | } else { | |
843 | evins = ebase.freeq; | |
844 | ebase.freeq = ebase.freeq->nxt; | |
845 | evins->nxt = ev1->nxt; | |
846 | ev1->nxt = evins; | |
847 | } | |
848 | ev1->nxt->time = delta; | |
849 | ev1->nxt->cfunc = cfunc; | |
850 | ev1->nxt->arg = arg; | |
851 | } | |
852 | ||
853 | #if 0 /* apparently not used */ | |
854 | void | |
dc4e697f | 855 | stop_event(void) |
c906108c SS |
856 | { |
857 | } | |
858 | #endif | |
859 | ||
860 | void | |
81e6e8ae | 861 | init_event(void) |
c906108c | 862 | { |
4a92dedc | 863 | int32_t i; |
c906108c SS |
864 | |
865 | ebase.eq.nxt = NULL; | |
866 | ebase.freeq = evbuf; | |
867 | for (i = 0; i < EVENT_MAX; i++) { | |
868 | evbuf[i].nxt = &evbuf[i + 1]; | |
869 | } | |
870 | evbuf[EVENT_MAX - 1].nxt = NULL; | |
871 | } | |
872 | ||
873 | void | |
57e3eee0 | 874 | set_int(int32_t level, void (*callback) (int32_t), int32_t arg) |
c906108c SS |
875 | { |
876 | irqarr[level & 0x0f].callback = callback; | |
877 | irqarr[level & 0x0f].arg = arg; | |
878 | } | |
879 | ||
880 | /* Advance simulator time */ | |
881 | ||
882 | void | |
81e6e8ae | 883 | advance_time(struct pstate *sregs) |
c906108c SS |
884 | { |
885 | ||
886 | struct evcell *evrem; | |
e47530f7 TO |
887 | void (*cfunc) (int32_t); |
888 | int32_t arg; | |
4a92dedc | 889 | uint64_t endtime; |
c906108c SS |
890 | |
891 | #ifdef STAT | |
892 | sregs->fholdt += sregs->fhold; | |
893 | sregs->holdt += sregs->hold; | |
894 | sregs->icntt += sregs->icnt; | |
895 | #endif | |
896 | ||
897 | endtime = ebase.simtime + sregs->icnt + sregs->hold + sregs->fhold; | |
898 | ||
899 | while ((ebase.eq.nxt->time <= (endtime)) && (ebase.eq.nxt != NULL)) { | |
900 | ebase.simtime = ebase.eq.nxt->time; | |
901 | cfunc = ebase.eq.nxt->cfunc; | |
902 | arg = ebase.eq.nxt->arg; | |
903 | evrem = ebase.eq.nxt; | |
904 | ebase.eq.nxt = ebase.eq.nxt->nxt; | |
905 | evrem->nxt = ebase.freeq; | |
906 | ebase.freeq = evrem; | |
907 | cfunc(arg); | |
908 | } | |
909 | ebase.simtime = endtime; | |
910 | ||
911 | } | |
912 | ||
4a92dedc | 913 | uint32_t |
81e6e8ae | 914 | now(void) |
c906108c | 915 | { |
5831e29b | 916 | return ebase.simtime; |
c906108c SS |
917 | } |
918 | ||
919 | ||
920 | /* Advance time until an external interrupt is seen */ | |
921 | ||
922 | int | |
81e6e8ae | 923 | wait_for_irq(void) |
c906108c SS |
924 | { |
925 | struct evcell *evrem; | |
e47530f7 | 926 | void (*cfunc) (int32_t); |
4a92dedc MF |
927 | int32_t arg; |
928 | uint64_t endtime; | |
c906108c SS |
929 | |
930 | if (ebase.eq.nxt == NULL) | |
931 | printf("Warning: event queue empty - power-down mode not entered\n"); | |
932 | endtime = ebase.simtime; | |
933 | while (!ext_irl && (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 | if (ctrl_c) { | |
943 | printf("\bwarning: power-down mode interrupted\n"); | |
944 | break; | |
945 | } | |
946 | } | |
947 | sregs.pwdtime += ebase.simtime - endtime; | |
5831e29b | 948 | return ebase.simtime - endtime; |
c906108c SS |
949 | } |
950 | ||
951 | int | |
81e6e8ae | 952 | check_bpt(struct pstate *sregs) |
c906108c | 953 | { |
4a92dedc | 954 | int32_t i; |
c906108c SS |
955 | |
956 | if ((sregs->bphit) || (sregs->annul)) | |
5831e29b | 957 | return 0; |
4a92dedc | 958 | for (i = 0; i < (int32_t) sregs->bptnum; i++) { |
c906108c | 959 | if (sregs->pc == sregs->bpts[i]) |
5831e29b | 960 | return BPT_HIT; |
c906108c | 961 | } |
5831e29b | 962 | return 0; |
c906108c SS |
963 | } |
964 | ||
965 | void | |
81e6e8ae | 966 | reset_all(void) |
c906108c SS |
967 | { |
968 | init_event(); /* Clear event queue */ | |
969 | init_regs(&sregs); | |
970 | reset(); | |
971 | #ifdef ERRINJ | |
972 | errinjstart(); | |
973 | #endif | |
974 | } | |
975 | ||
976 | void | |
81e6e8ae | 977 | sys_reset(void) |
c906108c SS |
978 | { |
979 | reset_all(); | |
980 | sregs.trap = 256; /* Force fake reset trap */ | |
981 | } | |
982 | ||
983 | void | |
81e6e8ae | 984 | sys_halt(void) |
c906108c SS |
985 | { |
986 | sregs.trap = 257; /* Force fake halt trap */ | |
987 | } | |
988 | ||
989 | #include "ansidecl.h" | |
990 | ||
c906108c | 991 | #include <stdarg.h> |
c906108c SS |
992 | |
993 | #include "libiberty.h" | |
994 | #include "bfd.h" | |
995 | ||
4ab6404b | 996 | #ifndef min |
c906108c | 997 | #define min(A, B) (((A) < (B)) ? (A) : (B)) |
4ab6404b | 998 | #endif |
c906108c SS |
999 | #define LOAD_ADDRESS 0 |
1000 | ||
1001 | int | |
510d2751 | 1002 | bfd_load (const char *fname) |
c906108c SS |
1003 | { |
1004 | asection *section; | |
1005 | bfd *pbfd; | |
d3e9b40a | 1006 | int i; |
c906108c SS |
1007 | |
1008 | pbfd = bfd_openr(fname, 0); | |
1009 | ||
1010 | if (pbfd == NULL) { | |
1011 | printf("open of %s failed\n", fname); | |
5831e29b | 1012 | return -1; |
c906108c SS |
1013 | } |
1014 | if (!bfd_check_format(pbfd, bfd_object)) { | |
1015 | printf("file %s doesn't seem to be an object file\n", fname); | |
5831e29b | 1016 | return -1; |
c906108c SS |
1017 | } |
1018 | ||
c906108c SS |
1019 | if (sis_verbose) |
1020 | printf("loading %s:", fname); | |
1021 | for (section = pbfd->sections; section; section = section->next) { | |
fd361982 | 1022 | if (bfd_section_flags (section) & SEC_ALLOC) { |
c906108c SS |
1023 | bfd_vma section_address; |
1024 | unsigned long section_size; | |
1025 | const char *section_name; | |
1026 | ||
fd361982 | 1027 | section_name = bfd_section_name (section); |
c906108c | 1028 | |
fd361982 | 1029 | section_address = bfd_section_vma (section); |
c906108c SS |
1030 | /* |
1031 | * Adjust sections from a.out files, since they don't carry their | |
1032 | * addresses with. | |
1033 | */ | |
1034 | if (bfd_get_flavour(pbfd) == bfd_target_aout_flavour) { | |
1035 | if (strcmp (section_name, ".text") == 0) | |
1036 | section_address = bfd_get_start_address (pbfd); | |
1037 | else if (strcmp (section_name, ".data") == 0) { | |
1038 | /* Read the first 8 bytes of the data section. | |
1039 | There should be the string 'DaTa' followed by | |
1040 | a word containing the actual section address. */ | |
1041 | struct data_marker | |
1042 | { | |
1043 | char signature[4]; /* 'DaTa' */ | |
1044 | unsigned char sdata[4]; /* &sdata */ | |
1045 | } marker; | |
1046 | bfd_get_section_contents (pbfd, section, &marker, 0, | |
1047 | sizeof (marker)); | |
1048 | if (strncmp (marker.signature, "DaTa", 4) == 0) | |
1049 | { | |
d3e9b40a | 1050 | section_address = bfd_getb32 (marker.sdata); |
c906108c SS |
1051 | } |
1052 | } | |
1053 | } | |
1054 | ||
fd361982 | 1055 | section_size = bfd_section_size (section); |
c906108c SS |
1056 | |
1057 | if (sis_verbose) | |
29136be7 AM |
1058 | printf("\nsection %s at 0x%08" PRIx64 " (0x%lx bytes)", |
1059 | section_name, (uint64_t) section_address, section_size); | |
c906108c SS |
1060 | |
1061 | /* Text, data or lit */ | |
fd361982 | 1062 | if (bfd_section_flags (section) & SEC_LOAD) { |
c906108c SS |
1063 | file_ptr fptr; |
1064 | ||
1065 | fptr = 0; | |
1066 | ||
1067 | while (section_size > 0) { | |
1068 | char buffer[1024]; | |
1069 | int count; | |
1070 | ||
1071 | count = min(section_size, 1024); | |
1072 | ||
1073 | bfd_get_section_contents(pbfd, section, buffer, fptr, count); | |
1074 | ||
d3e9b40a JG |
1075 | for (i = 0; i < count; i++) |
1076 | sis_memory_write ((section_address + i) ^ EBT, &buffer[i], 1); | |
c906108c SS |
1077 | |
1078 | section_address += count; | |
1079 | fptr += count; | |
1080 | section_size -= count; | |
1081 | } | |
1082 | } else /* BSS */ | |
1083 | if (sis_verbose) | |
1084 | printf("(not loaded)"); | |
1085 | } | |
1086 | } | |
1087 | if (sis_verbose) | |
1088 | printf("\n"); | |
1089 | ||
5831e29b | 1090 | return bfd_get_start_address (pbfd); |
c906108c | 1091 | } |
96d67095 JG |
1092 | |
1093 | double get_time (void) | |
1094 | { | |
1095 | double usec; | |
1096 | ||
1097 | struct timeval tm; | |
1098 | ||
1099 | gettimeofday (&tm, NULL); | |
1100 | usec = ((double) tm.tv_sec) * 1E6 + ((double) tm.tv_usec); | |
5831e29b | 1101 | return usec / 1E6; |
96d67095 | 1102 | } |