projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 17d88f73 JB |
1 | /* Copyright (C) 1995-2015 Free Software Foundation, Inc. |
| 2 | ||
| 3 | This program is free software; you can redistribute it and/or modify | |
| 4 | it under the terms of the GNU General Public License as published by | |
| 5 | the Free Software Foundation; either version 3 of the License, or | |
| 6 | (at your option) any later version. | |
| 7 | ||
| 8 | This program is distributed in the hope that it will be useful, | |
| 9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | GNU General Public License for more details. | |
| 12 | ||
| 13 | You should have received a copy of the GNU General Public License | |
| 14 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| c906108c | 15 | |
| 5272643f | 16 | #include "config.h" |
| c906108c SS |
17 | #include <signal.h> |
| 18 | #include <string.h> | |
| 19 | #include <stdio.h> | |
| 20 | #include <stdlib.h> | |
| 21 | #include <ctype.h> | |
| 22 | #include "sis.h" | |
| c906108c SS |
23 | #include <dis-asm.h> |
| 24 | #include "sim-config.h" | |
| 638fcdad | 25 | #include <inttypes.h> |
| c906108c | 26 | |
| c906108c SS |
27 | #define VAL(x) strtoul(x,(char **)NULL,0) |
| 28 | ||
| c906108c SS |
29 | struct disassemble_info dinfo; |
| 30 | struct pstate sregs; | |
| 31 | extern struct estate ebase; | |
| 32 | int ctrl_c = 0; | |
| 33 | int sis_verbose = 0; | |
| 34 | char *sis_version = "2.7.5"; | |
| 35 | int nfp = 0; | |
| 36 | int ift = 0; | |
| 37 | int wrp = 0; | |
| 38 | int rom8 = 0; | |
| 39 | int uben = 0; | |
| 40 | int termsave; | |
| 41 | int sparclite = 0; /* emulating SPARClite instructions? */ | |
| 42 | int sparclite_board = 0; /* emulating SPARClite board RAM? */ | |
| 43 | char uart_dev1[128] = ""; | |
| 44 | char uart_dev2[128] = ""; | |
| 45 | extern int ext_irl; | |
| 46 | uint32 last_load_addr = 0; | |
| 47 | ||
| 48 | #ifdef ERRINJ | |
| 49 | uint32 errcnt = 0; | |
| 50 | uint32 errper = 0; | |
| 51 | uint32 errtt = 0; | |
| 52 | uint32 errftt = 0; | |
| 53 | uint32 errmec = 0; | |
| 54 | #endif | |
| 55 | ||
| 56 | /* Forward declarations */ | |
| 57 | ||
| bdca5ee4 TT |
58 | static int batch (struct pstate *sregs, char *fname); |
| 59 | static void set_rega (struct pstate *sregs, char *reg, uint32 rval); | |
| 60 | static void disp_reg (struct pstate *sregs, char *reg); | |
| 61 | static uint32 limcalc (float32 freq); | |
| 62 | static void int_handler (int32 sig); | |
| 63 | static void init_event (void); | |
| 64 | static int disp_fpu (struct pstate *sregs); | |
| 65 | static void disp_regs (struct pstate *sregs, int cwp); | |
| 66 | static void disp_ctrl (struct pstate *sregs); | |
| 67 | static void disp_mem (uint32 addr, uint32 len); | |
| c906108c SS |
68 | |
| 69 | static int | |
| 70 | batch(sregs, fname) | |
| 71 | struct pstate *sregs; | |
| 72 | char *fname; | |
| 73 | { | |
| 74 | FILE *fp; | |
| b9f9ea2f JG |
75 | char *lbuf = NULL; |
| 76 | size_t len = 0; | |
| 77 | size_t slen; | |
| c906108c SS |
78 | |
| 79 | if ((fp = fopen(fname, "r")) == NULL) { | |
| 80 | fprintf(stderr, "couldn't open batch file %s\n", fname); | |
| 5831e29b | 81 | return 0; |
| c906108c | 82 | } |
| b9f9ea2f JG |
83 | while (getline(&lbuf, &len, fp) > -1) { |
| 84 | slen = strlen(lbuf); | |
| 85 | if (slen && (lbuf[slen - 1] == '\n')) { | |
| 86 | lbuf[slen - 1] = 0; | |
| 87 | printf("sis> %s\n", lbuf); | |
| 88 | exec_cmd(sregs, lbuf); | |
| 89 | } | |
| c906108c | 90 | } |
| b9f9ea2f | 91 | free(lbuf); |
| c906108c | 92 | fclose(fp); |
| 5831e29b | 93 | return 1; |
| c906108c SS |
94 | } |
| 95 | ||
| 96 | void | |
| 97 | set_regi(sregs, reg, rval) | |
| 98 | struct pstate *sregs; | |
| 99 | int32 reg; | |
| 100 | uint32 rval; | |
| 101 | { | |
| 102 | uint32 cwp; | |
| 103 | ||
| 104 | cwp = ((sregs->psr & 0x7) << 4); | |
| 105 | if ((reg > 0) && (reg < 8)) { | |
| 106 | sregs->g[reg] = rval; | |
| 107 | } else if ((reg >= 8) && (reg < 32)) { | |
| 108 | sregs->r[(cwp + reg) & 0x7f] = rval; | |
| 109 | } else if ((reg >= 32) && (reg < 64)) { | |
| 110 | sregs->fsi[reg - 32] = rval; | |
| 111 | } else { | |
| 112 | switch (reg) { | |
| 113 | case 64: | |
| 114 | sregs->y = rval; | |
| 115 | break; | |
| 116 | case 65: | |
| 117 | sregs->psr = rval; | |
| 118 | break; | |
| 119 | case 66: | |
| 120 | sregs->wim = rval; | |
| 121 | break; | |
| 122 | case 67: | |
| 123 | sregs->tbr = rval; | |
| 124 | break; | |
| 125 | case 68: | |
| 126 | sregs->pc = rval; | |
| 127 | break; | |
| 128 | case 69: | |
| 129 | sregs->npc = rval; | |
| 130 | break; | |
| 131 | case 70: | |
| 132 | sregs->fsr = rval; | |
| 133 | set_fsr(rval); | |
| 134 | break; | |
| 135 | default:break; | |
| 136 | } | |
| 137 | } | |
| 138 | } | |
| 139 | ||
| 140 | void | |
| 141 | get_regi(struct pstate * sregs, int32 reg, char *buf) | |
| 142 | { | |
| 143 | uint32 cwp; | |
| 144 | uint32 rval = 0; | |
| 145 | ||
| 146 | cwp = ((sregs->psr & 0x7) << 4); | |
| 147 | if ((reg >= 0) && (reg < 8)) { | |
| 148 | rval = sregs->g[reg]; | |
| 149 | } else if ((reg >= 8) && (reg < 32)) { | |
| 150 | rval = sregs->r[(cwp + reg) & 0x7f]; | |
| 151 | } else if ((reg >= 32) && (reg < 64)) { | |
| 152 | rval = sregs->fsi[reg - 32]; | |
| 153 | } else { | |
| 154 | switch (reg) { | |
| 155 | case 64: | |
| 156 | rval = sregs->y; | |
| 157 | break; | |
| 158 | case 65: | |
| 159 | rval = sregs->psr; | |
| 160 | break; | |
| 161 | case 66: | |
| 162 | rval = sregs->wim; | |
| 163 | break; | |
| 164 | case 67: | |
| 165 | rval = sregs->tbr; | |
| 166 | break; | |
| 167 | case 68: | |
| 168 | rval = sregs->pc; | |
| 169 | break; | |
| 170 | case 69: | |
| 171 | rval = sregs->npc; | |
| 172 | break; | |
| 173 | case 70: | |
| 174 | rval = sregs->fsr; | |
| 175 | break; | |
| 176 | default:break; | |
| 177 | } | |
| 178 | } | |
| d3e9b40a JG |
179 | buf[0] = (rval >> 24) & 0x0ff; |
| 180 | buf[1] = (rval >> 16) & 0x0ff; | |
| 181 | buf[2] = (rval >> 8) & 0x0ff; | |
| 182 | buf[3] = rval & 0x0ff; | |
| c906108c SS |
183 | } |
| 184 | ||
| 185 | ||
| 186 | static void | |
| 187 | set_rega(sregs, reg, rval) | |
| 188 | struct pstate *sregs; | |
| 189 | char *reg; | |
| 190 | uint32 rval; | |
| 191 | { | |
| 192 | uint32 cwp; | |
| 193 | int32 err = 0; | |
| 194 | ||
| 195 | cwp = ((sregs->psr & 0x7) << 4); | |
| 196 | if (strcmp(reg, "psr") == 0) | |
| 197 | sregs->psr = (rval = (rval & 0x00f03fff)); | |
| 198 | else if (strcmp(reg, "tbr") == 0) | |
| 199 | sregs->tbr = (rval = (rval & 0xfffffff0)); | |
| 200 | else if (strcmp(reg, "wim") == 0) | |
| 201 | sregs->wim = (rval = (rval & 0x0ff)); | |
| 202 | else if (strcmp(reg, "y") == 0) | |
| 203 | sregs->y = rval; | |
| 204 | else if (strcmp(reg, "pc") == 0) | |
| 205 | sregs->pc = rval; | |
| 206 | else if (strcmp(reg, "npc") == 0) | |
| 207 | sregs->npc = rval; | |
| 208 | else if (strcmp(reg, "fsr") == 0) { | |
| 209 | sregs->fsr = rval; | |
| 210 | set_fsr(rval); | |
| 211 | } else if (strcmp(reg, "g0") == 0) | |
| 212 | err = 2; | |
| 213 | else if (strcmp(reg, "g1") == 0) | |
| 214 | sregs->g[1] = rval; | |
| 215 | else if (strcmp(reg, "g2") == 0) | |
| 216 | sregs->g[2] = rval; | |
| 217 | else if (strcmp(reg, "g3") == 0) | |
| 218 | sregs->g[3] = rval; | |
| 219 | else if (strcmp(reg, "g4") == 0) | |
| 220 | sregs->g[4] = rval; | |
| 221 | else if (strcmp(reg, "g5") == 0) | |
| 222 | sregs->g[5] = rval; | |
| 223 | else if (strcmp(reg, "g6") == 0) | |
| 224 | sregs->g[6] = rval; | |
| 225 | else if (strcmp(reg, "g7") == 0) | |
| 226 | sregs->g[7] = rval; | |
| 227 | else if (strcmp(reg, "o0") == 0) | |
| 228 | sregs->r[(cwp + 8) & 0x7f] = rval; | |
| 229 | else if (strcmp(reg, "o1") == 0) | |
| 230 | sregs->r[(cwp + 9) & 0x7f] = rval; | |
| 231 | else if (strcmp(reg, "o2") == 0) | |
| 232 | sregs->r[(cwp + 10) & 0x7f] = rval; | |
| 233 | else if (strcmp(reg, "o3") == 0) | |
| 234 | sregs->r[(cwp + 11) & 0x7f] = rval; | |
| 235 | else if (strcmp(reg, "o4") == 0) | |
| 236 | sregs->r[(cwp + 12) & 0x7f] = rval; | |
| 237 | else if (strcmp(reg, "o5") == 0) | |
| 238 | sregs->r[(cwp + 13) & 0x7f] = rval; | |
| 239 | else if (strcmp(reg, "o6") == 0) | |
| 240 | sregs->r[(cwp + 14) & 0x7f] = rval; | |
| 241 | else if (strcmp(reg, "o7") == 0) | |
| 242 | sregs->r[(cwp + 15) & 0x7f] = rval; | |
| 243 | else if (strcmp(reg, "l0") == 0) | |
| 244 | sregs->r[(cwp + 16) & 0x7f] = rval; | |
| 245 | else if (strcmp(reg, "l1") == 0) | |
| 246 | sregs->r[(cwp + 17) & 0x7f] = rval; | |
| 247 | else if (strcmp(reg, "l2") == 0) | |
| 248 | sregs->r[(cwp + 18) & 0x7f] = rval; | |
| 249 | else if (strcmp(reg, "l3") == 0) | |
| 250 | sregs->r[(cwp + 19) & 0x7f] = rval; | |
| 251 | else if (strcmp(reg, "l4") == 0) | |
| 252 | sregs->r[(cwp + 20) & 0x7f] = rval; | |
| 253 | else if (strcmp(reg, "l5") == 0) | |
| 254 | sregs->r[(cwp + 21) & 0x7f] = rval; | |
| 255 | else if (strcmp(reg, "l6") == 0) | |
| 256 | sregs->r[(cwp + 22) & 0x7f] = rval; | |
| 257 | else if (strcmp(reg, "l7") == 0) | |
| 258 | sregs->r[(cwp + 23) & 0x7f] = rval; | |
| 259 | else if (strcmp(reg, "i0") == 0) | |
| 260 | sregs->r[(cwp + 24) & 0x7f] = rval; | |
| 261 | else if (strcmp(reg, "i1") == 0) | |
| 262 | sregs->r[(cwp + 25) & 0x7f] = rval; | |
| 263 | else if (strcmp(reg, "i2") == 0) | |
| 264 | sregs->r[(cwp + 26) & 0x7f] = rval; | |
| 265 | else if (strcmp(reg, "i3") == 0) | |
| 266 | sregs->r[(cwp + 27) & 0x7f] = rval; | |
| 267 | else if (strcmp(reg, "i4") == 0) | |
| 268 | sregs->r[(cwp + 28) & 0x7f] = rval; | |
| 269 | else if (strcmp(reg, "i5") == 0) | |
| 270 | sregs->r[(cwp + 29) & 0x7f] = rval; | |
| 271 | else if (strcmp(reg, "i6") == 0) | |
| 272 | sregs->r[(cwp + 30) & 0x7f] = rval; | |
| 273 | else if (strcmp(reg, "i7") == 0) | |
| 274 | sregs->r[(cwp + 31) & 0x7f] = rval; | |
| 275 | else | |
| 276 | err = 1; | |
| 277 | switch (err) { | |
| 278 | case 0: | |
| 279 | printf("%s = %d (0x%08x)\n", reg, rval, rval); | |
| 280 | break; | |
| 281 | case 1: | |
| 282 | printf("no such regiser: %s\n", reg); | |
| 283 | break; | |
| 284 | case 2: | |
| 285 | printf("cannot set g0\n"); | |
| 286 | break; | |
| 287 | default: | |
| 288 | break; | |
| 289 | } | |
| 290 | ||
| 291 | } | |
| 292 | ||
| 293 | static void | |
| 294 | disp_reg(sregs, reg) | |
| 295 | struct pstate *sregs; | |
| 296 | char *reg; | |
| 297 | { | |
| 298 | if (strncmp(reg, "w",1) == 0) | |
| 299 | disp_regs(sregs, VAL(®[1])); | |
| 300 | } | |
| 301 | ||
| 302 | #ifdef ERRINJ | |
| 303 | ||
| 304 | void | |
| 305 | errinj() | |
| 306 | { | |
| 307 | int err; | |
| 308 | ||
| 309 | switch (err = (random() % 12)) { | |
| 310 | case 0: errtt = 0x61; break; | |
| 311 | case 1: errtt = 0x62; break; | |
| 312 | case 2: errtt = 0x63; break; | |
| 313 | case 3: errtt = 0x64; break; | |
| 314 | case 4: errtt = 0x65; break; | |
| 315 | case 5: | |
| 316 | case 6: | |
| 317 | case 7: errftt = err; | |
| 318 | break; | |
| 319 | case 8: errmec = 1; break; | |
| 320 | case 9: errmec = 2; break; | |
| 321 | case 10: errmec = 5; break; | |
| 322 | case 11: errmec = 6; break; | |
| 323 | } | |
| 324 | errcnt++; | |
| 325 | if (errper) event(errinj, 0, (random()%errper)); | |
| 326 | } | |
| 327 | ||
| 328 | void | |
| 329 | errinjstart() | |
| 330 | { | |
| 331 | if (errper) event(errinj, 0, (random()%errper)); | |
| 332 | } | |
| 333 | ||
| 334 | #endif | |
| 335 | ||
| 336 | static uint32 | |
| 337 | limcalc (freq) | |
| 338 | float32 freq; | |
| 339 | { | |
| 340 | uint32 unit, lim; | |
| 341 | double flim; | |
| 342 | char *cmd1, *cmd2; | |
| 343 | ||
| 344 | unit = 1; | |
| 345 | lim = -1; | |
| 346 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 347 | lim = VAL(cmd1); | |
| 348 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 349 | if (strcmp(cmd2,"us")==0) unit = 1; | |
| 350 | if (strcmp(cmd2,"ms")==0) unit = 1000; | |
| 351 | if (strcmp(cmd2,"s")==0) unit = 1000000; | |
| 352 | } | |
| 353 | flim = (double) lim * (double) unit * (double) freq + | |
| 354 | (double) ebase.simtime; | |
| 355 | if ((flim > ebase.simtime) && (flim < 4294967296.0)) { | |
| 356 | lim = (uint32) flim; | |
| 357 | } else { | |
| 358 | printf("error in expression\n"); | |
| 359 | lim = -1; | |
| 360 | } | |
| 361 | } | |
| 5831e29b | 362 | return lim; |
| c906108c | 363 | } |
| 510d2751 | 364 | |
| c906108c | 365 | int |
| 510d2751 | 366 | exec_cmd(struct pstate *sregs, const char *cmd) |
| c906108c SS |
367 | { |
| 368 | char *cmd1, *cmd2; | |
| 369 | int32 stat; | |
| 370 | uint32 len, i, clen, j; | |
| 371 | static uint32 daddr = 0; | |
| 510d2751 | 372 | char *cmdsave, *cmdsave2 = NULL; |
| c906108c SS |
373 | |
| 374 | stat = OK; | |
| 375 | cmdsave = strdup(cmd); | |
| 510d2751 JG |
376 | cmdsave2 = strdup (cmd); |
| 377 | if ((cmd1 = strtok (cmdsave2, " \t")) != NULL) { | |
| c906108c SS |
378 | clen = strlen(cmd1); |
| 379 | if (strncmp(cmd1, "bp", clen) == 0) { | |
| 380 | for (i = 0; i < sregs->bptnum; i++) { | |
| 381 | printf(" %d : 0x%08x\n", i + 1, sregs->bpts[i]); | |
| 382 | } | |
| 383 | } else if (strncmp(cmd1, "+bp", clen) == 0) { | |
| 384 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 385 | sregs->bpts[sregs->bptnum] = VAL(cmd1) & ~0x3; | |
| 386 | printf("added breakpoint %d at 0x%08x\n", | |
| 387 | sregs->bptnum + 1, sregs->bpts[sregs->bptnum]); | |
| 388 | sregs->bptnum += 1; | |
| 389 | } | |
| 390 | } else if (strncmp(cmd1, "-bp", clen) == 0) { | |
| 391 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 392 | i = VAL(cmd1) - 1; | |
| 393 | if ((i >= 0) && (i < sregs->bptnum)) { | |
| 394 | printf("deleted breakpoint %d at 0x%08x\n", i + 1, | |
| 395 | sregs->bpts[i]); | |
| 396 | for (; i < sregs->bptnum - 1; i++) { | |
| 397 | sregs->bpts[i] = sregs->bpts[i + 1]; | |
| 398 | } | |
| 399 | sregs->bptnum -= 1; | |
| 400 | } | |
| 401 | } | |
| 402 | } else if (strncmp(cmd1, "batch", clen) == 0) { | |
| 403 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
| 404 | printf("no file specified\n"); | |
| 405 | } else { | |
| 406 | batch(sregs, cmd1); | |
| 407 | } | |
| 408 | } else if (strncmp(cmd1, "cont", clen) == 0) { | |
| 409 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
| 94110024 | 410 | stat = run_sim(sregs, UINT64_MAX, 0); |
| c906108c SS |
411 | } else { |
| 412 | stat = run_sim(sregs, VAL(cmd1), 0); | |
| 413 | } | |
| 414 | daddr = sregs->pc; | |
| 415 | sim_halt(); | |
| 416 | } else if (strncmp(cmd1, "debug", clen) == 0) { | |
| 417 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 418 | sis_verbose = VAL(cmd1); | |
| 419 | } | |
| 420 | printf("Debug level = %d\n",sis_verbose); | |
| 421 | } else if (strncmp(cmd1, "dis", clen) == 0) { | |
| 422 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 423 | daddr = VAL(cmd1); | |
| 424 | } | |
| 425 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 426 | len = VAL(cmd2); | |
| 427 | } else | |
| 428 | len = 16; | |
| 429 | printf("\n"); | |
| 430 | dis_mem(daddr, len, &dinfo); | |
| 431 | printf("\n"); | |
| 432 | daddr += len * 4; | |
| 433 | } else if (strncmp(cmd1, "echo", clen) == 0) { | |
| 434 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 435 | printf("%s\n", (&cmdsave[clen+1])); | |
| 436 | } | |
| 437 | #ifdef ERRINJ | |
| 438 | } else if (strncmp(cmd1, "error", clen) == 0) { | |
| 439 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 440 | errper = VAL(cmd1); | |
| 441 | if (errper) { | |
| 442 | event(errinj, 0, (len = (random()%errper))); | |
| 443 | printf("Error injection started with period %d\n",len); | |
| 444 | } | |
| 445 | } else printf("Injected errors: %d\n",errcnt); | |
| 446 | #endif | |
| 447 | } else if (strncmp(cmd1, "float", clen) == 0) { | |
| 448 | stat = disp_fpu(sregs); | |
| 449 | } else if (strncmp(cmd1, "go", clen) == 0) { | |
| 450 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
| 451 | len = last_load_addr; | |
| 452 | } else { | |
| 453 | len = VAL(cmd1); | |
| 454 | } | |
| 455 | sregs->pc = len & ~3; | |
| 456 | sregs->npc = sregs->pc + 4; | |
| 20a0ffe3 JG |
457 | if ((sregs->pc != 0) && (ebase.simtime == 0)) |
| 458 | boot_init(); | |
| c906108c SS |
459 | printf("resuming at 0x%08x\n",sregs->pc); |
| 460 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 461 | stat = run_sim(sregs, VAL(cmd2), 0); | |
| 462 | } else { | |
| 94110024 | 463 | stat = run_sim(sregs, UINT64_MAX, 0); |
| c906108c SS |
464 | } |
| 465 | daddr = sregs->pc; | |
| 466 | sim_halt(); | |
| 467 | } else if (strncmp(cmd1, "help", clen) == 0) { | |
| 468 | gen_help(); | |
| 469 | } else if (strncmp(cmd1, "history", clen) == 0) { | |
| 470 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 471 | sregs->histlen = VAL(cmd1); | |
| 472 | if (sregs->histbuf != NULL) | |
| 473 | free(sregs->histbuf); | |
| 474 | sregs->histbuf = (struct histype *) calloc(sregs->histlen, sizeof(struct histype)); | |
| 475 | printf("trace history length = %d\n\r", sregs->histlen); | |
| 476 | sregs->histind = 0; | |
| 477 | ||
| 478 | } else { | |
| 479 | j = sregs->histind; | |
| 480 | for (i = 0; i < sregs->histlen; i++) { | |
| 481 | if (j >= sregs->histlen) | |
| 482 | j = 0; | |
| 483 | printf(" %8d ", sregs->histbuf[j].time); | |
| 484 | dis_mem(sregs->histbuf[j].addr, 1, &dinfo); | |
| 485 | j++; | |
| 486 | } | |
| 487 | } | |
| 488 | ||
| 489 | } else if (strncmp(cmd1, "load", clen) == 0) { | |
| 490 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| 491 | last_load_addr = bfd_load(cmd1); | |
| 492 | while ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
| 493 | last_load_addr = bfd_load(cmd1); | |
| 494 | } else { | |
| 495 | printf("load: no file specified\n"); | |
| 496 | } | |
| 497 | } else if (strncmp(cmd1, "mem", clen) == 0) { | |
| 498 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) | |
| 499 | daddr = VAL(cmd1); | |
| 500 | if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) | |
| 501 | len = VAL(cmd2); | |
| 502 | else | |
| 503 | len = 64; | |
| 504 | disp_mem(daddr, len); | |
| 505 | daddr += len; | |
| 506 | } else if (strncmp(cmd1, "perf", clen) == 0) { | |
| 507 | cmd1 = strtok(NULL, " \t\n\r"); | |
| 508 | if ((cmd1 != NULL) && | |
| 509 | (strncmp(cmd1, "reset", strlen(cmd1)) == 0)) { | |
| 510 | reset_stat(sregs); | |
| 511 | } else | |
| 512 | show_stat(sregs); | |
| 513 | } else if (strncmp(cmd1, "quit", clen) == 0) { | |
| 514 | exit(0); | |
| 515 | } else if (strncmp(cmd1, "reg", clen) == 0) { | |
| 516 | cmd1 = strtok(NULL, " \t\n\r"); | |
| 517 | cmd2 = strtok(NULL, " \t\n\r"); | |
| 518 | if (cmd2 != NULL) | |
| 519 | set_rega(sregs, cmd1, VAL(cmd2)); | |
| 520 | else if (cmd1 != NULL) | |
| 521 | disp_reg(sregs, cmd1); | |
| 522 | else { | |
| 523 | disp_regs(sregs,sregs->psr); | |
| 524 | disp_ctrl(sregs); | |
| 525 | } | |
| 526 | } else if (strncmp(cmd1, "reset", clen) == 0) { | |
| 527 | ebase.simtime = 0; | |
| 528 | reset_all(); | |
| 529 | reset_stat(sregs); | |
| 530 | } else if (strncmp(cmd1, "run", clen) == 0) { | |
| 531 | ebase.simtime = 0; | |
| 532 | reset_all(); | |
| 533 | reset_stat(sregs); | |
| 534 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
| 94110024 | 535 | stat = run_sim(sregs, UINT64_MAX, 0); |
| c906108c SS |
536 | } else { |
| 537 | stat = run_sim(sregs, VAL(cmd1), 0); | |
| 538 | } | |
| 539 | daddr = sregs->pc; | |
| 540 | sim_halt(); | |
| 541 | } else if (strncmp(cmd1, "shell", clen) == 0) { | |
| 542 | if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) { | |
| b9f9ea2f JG |
543 | if (system(&cmdsave[clen])) { |
| 544 | /* Silence unused return value warning. */ | |
| 545 | } | |
| c906108c SS |
546 | } |
| 547 | } else if (strncmp(cmd1, "step", clen) == 0) { | |
| 548 | stat = run_sim(sregs, 1, 1); | |
| 549 | daddr = sregs->pc; | |
| 550 | sim_halt(); | |
| 551 | } else if (strncmp(cmd1, "tcont", clen) == 0) { | |
| 552 | sregs->tlimit = limcalc(sregs->freq); | |
| 94110024 | 553 | stat = run_sim(sregs, UINT64_MAX, 0); |
| c906108c SS |
554 | daddr = sregs->pc; |
| 555 | sim_halt(); | |
| 556 | } else if (strncmp(cmd1, "tgo", clen) == 0) { | |
| 557 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
| 558 | len = last_load_addr; | |
| 559 | } else { | |
| 560 | len = VAL(cmd1); | |
| 561 | sregs->tlimit = limcalc(sregs->freq); | |
| 562 | } | |
| 563 | sregs->pc = len & ~3; | |
| 564 | sregs->npc = sregs->pc + 4; | |
| 565 | printf("resuming at 0x%08x\n",sregs->pc); | |
| 94110024 | 566 | stat = run_sim(sregs, UINT64_MAX, 0); |
| c906108c SS |
567 | daddr = sregs->pc; |
| 568 | sim_halt(); | |
| 569 | } else if (strncmp(cmd1, "tlimit", clen) == 0) { | |
| 570 | sregs->tlimit = limcalc(sregs->freq); | |
| 571 | if (sregs->tlimit != (uint32) -1) | |
| 572 | printf("simulation limit = %u (%.3f ms)\n",(uint32) sregs->tlimit, | |
| 573 | sregs->tlimit / sregs->freq / 1000); | |
| 574 | } else if (strncmp(cmd1, "tra", clen) == 0) { | |
| 575 | if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) { | |
| 94110024 | 576 | stat = run_sim(sregs, UINT64_MAX, 1); |
| c906108c SS |
577 | } else { |
| 578 | stat = run_sim(sregs, VAL(cmd1), 1); | |
| 579 | } | |
| 580 | printf("\n"); | |
| 581 | daddr = sregs->pc; | |
| 582 | sim_halt(); | |
| 583 | } else if (strncmp(cmd1, "trun", clen) == 0) { | |
| 584 | ebase.simtime = 0; | |
| 585 | reset_all(); | |
| 586 | reset_stat(sregs); | |
| 587 | sregs->tlimit = limcalc(sregs->freq); | |
| 94110024 | 588 | stat = run_sim(sregs, UINT64_MAX, 0); |
| c906108c SS |
589 | daddr = sregs->pc; |
| 590 | sim_halt(); | |
| 591 | } else | |
| 592 | printf("syntax error\n"); | |
| 593 | } | |
| 510d2751 JG |
594 | if (cmdsave2 != NULL) |
| 595 | free(cmdsave2); | |
| c906108c SS |
596 | if (cmdsave != NULL) |
| 597 | free(cmdsave); | |
| 5831e29b | 598 | return stat; |
| c906108c SS |
599 | } |
| 600 | ||
| 601 | ||
| 602 | void | |
| 603 | reset_stat(sregs) | |
| 604 | struct pstate *sregs; | |
| 605 | { | |
| 96d67095 | 606 | sregs->tottime = 0.0; |
| c906108c SS |
607 | sregs->pwdtime = 0; |
| 608 | sregs->ninst = 0; | |
| 609 | sregs->fholdt = 0; | |
| 610 | sregs->holdt = 0; | |
| 611 | sregs->icntt = 0; | |
| 612 | sregs->finst = 0; | |
| 613 | sregs->nstore = 0; | |
| 614 | sregs->nload = 0; | |
| 615 | sregs->nbranch = 0; | |
| 616 | sregs->simstart = ebase.simtime; | |
| 617 | ||
| 618 | } | |
| 619 | ||
| 620 | void | |
| 621 | show_stat(sregs) | |
| 622 | struct pstate *sregs; | |
| 623 | { | |
| 624 | uint32 iinst; | |
| 96d67095 | 625 | uint32 stime; |
| c906108c | 626 | |
| 96d67095 JG |
627 | if (sregs->tottime == 0.0) |
| 628 | sregs->tottime += 1E-6; | |
| c906108c SS |
629 | stime = ebase.simtime - sregs->simstart; /* Total simulated time */ |
| 630 | #ifdef STAT | |
| 631 | ||
| 632 | iinst = sregs->ninst - sregs->finst - sregs->nload - sregs->nstore - | |
| 633 | sregs->nbranch; | |
| 634 | #endif | |
| 635 | ||
| 638fcdad JG |
636 | printf("\n Cycles : %9" PRIu64 "\n\r", ebase.simtime - sregs->simstart); |
| 637 | printf(" Instructions : %9" PRIu64 "\n", sregs->ninst); | |
| c906108c SS |
638 | |
| 639 | #ifdef STAT | |
| 640 | printf(" integer : %9.2f %%\n", 100.0 * (float) iinst / (float) sregs->ninst); | |
| 641 | printf(" load : %9.2f %%\n", | |
| 642 | 100.0 * (float) sregs->nload / (float) sregs->ninst); | |
| 643 | printf(" store : %9.2f %%\n", | |
| 644 | 100.0 * (float) sregs->nstore / (float) sregs->ninst); | |
| 645 | printf(" branch : %9.2f %%\n", | |
| 646 | 100.0 * (float) sregs->nbranch / (float) sregs->ninst); | |
| 647 | printf(" float : %9.2f %%\n", | |
| 648 | 100.0 * (float) sregs->finst / (float) sregs->ninst); | |
| 649 | printf(" Integer CPI : %9.2f\n", | |
| 650 | ((float) (stime - sregs->pwdtime - sregs->fholdt - sregs->finst)) | |
| 651 | / | |
| 652 | (float) (sregs->ninst - sregs->finst)); | |
| 653 | printf(" Float CPI : %9.2f\n", | |
| 654 | ((float) sregs->fholdt / (float) sregs->finst) + 1.0); | |
| 655 | #endif | |
| 656 | printf(" Overall CPI : %9.2f\n", | |
| 657 | (float) (stime - sregs->pwdtime) / (float) sregs->ninst); | |
| 658 | printf("\n ERC32 performance (%4.1f MHz): %5.2f MOPS (%5.2f MIPS, %5.2f MFLOPS)\n", | |
| 659 | sregs->freq, sregs->freq * (float) sregs->ninst / (float) (stime - sregs->pwdtime), | |
| 660 | sregs->freq * (float) (sregs->ninst - sregs->finst) / | |
| 661 | (float) (stime - sregs->pwdtime), | |
| 662 | sregs->freq * (float) sregs->finst / (float) (stime - sregs->pwdtime)); | |
| 96d67095 JG |
663 | printf(" Simulated ERC32 time : %.2f s\n", |
| 664 | (float) (ebase.simtime - sregs->simstart) / 1000000.0 / sregs->freq); | |
| 665 | printf(" Processor utilisation : %.2f %%\n", | |
| 666 | 100.0 * (1.0 - ((float) sregs->pwdtime / (float) stime))); | |
| 667 | printf(" Real-time performance : %.2f %%\n", | |
| 668 | 100.0 / (sregs->tottime / ((double) (stime) / (sregs->freq * 1.0E6)))); | |
| 669 | printf(" Simulator performance : %.2f MIPS\n", | |
| 670 | (double)(sregs->ninst) / sregs->tottime / 1E6); | |
| 671 | printf(" Used time (sys + user) : %.2f s\n\n", sregs->tottime); | |
| c906108c SS |
672 | } |
| 673 | ||
| 674 | ||
| 675 | ||
| 676 | void | |
| 677 | init_bpt(sregs) | |
| 678 | struct pstate *sregs; | |
| 679 | { | |
| 680 | sregs->bptnum = 0; | |
| 681 | sregs->histlen = 0; | |
| 682 | sregs->histind = 0; | |
| 683 | sregs->histbuf = NULL; | |
| 684 | sregs->tlimit = -1; | |
| 685 | } | |
| 686 | ||
| 687 | static void | |
| 688 | int_handler(sig) | |
| 689 | int32 sig; | |
| 690 | { | |
| 691 | if (sig != 2) | |
| 692 | printf("\n\n Signal handler error (%d)\n\n", sig); | |
| 693 | ctrl_c = 1; | |
| 694 | } | |
| 695 | ||
| 696 | void | |
| 697 | init_signals() | |
| 698 | { | |
| 699 | typedef void (*PFI) (); | |
| 700 | static PFI int_tab[2]; | |
| 701 | ||
| 702 | int_tab[0] = signal(SIGTERM, int_handler); | |
| 703 | int_tab[1] = signal(SIGINT, int_handler); | |
| 704 | } | |
| 705 | ||
| 706 | ||
| 707 | extern struct disassemble_info dinfo; | |
| 708 | ||
| 709 | struct estate ebase; | |
| 710 | struct evcell evbuf[EVENT_MAX]; | |
| 711 | struct irqcell irqarr[16]; | |
| 712 | ||
| 713 | static int | |
| 714 | disp_fpu(sregs) | |
| 715 | struct pstate *sregs; | |
| 716 | { | |
| 717 | ||
| 718 | int i; | |
| 719 | float t; | |
| 720 | ||
| 721 | printf("\n fsr: %08X\n\n", sregs->fsr); | |
| 722 | ||
| 9c5f41df | 723 | #ifdef HOST_LITTLE_ENDIAN |
| c906108c SS |
724 | for (i = 0; i < 32; i++) |
| 725 | sregs->fdp[i ^ 1] = sregs->fs[i]; | |
| 726 | #endif | |
| 727 | ||
| 728 | for (i = 0; i < 32; i++) { | |
| 729 | t = sregs->fs[i]; | |
| 730 | printf(" f%02d %08x %14e ", i, sregs->fsi[i], sregs->fs[i]); | |
| 731 | if (!(i & 1)) | |
| 732 | printf("%14e\n", sregs->fd[i >> 1]); | |
| 733 | else | |
| 734 | printf("\n"); | |
| 735 | } | |
| 736 | printf("\n"); | |
| 5831e29b | 737 | return OK; |
| c906108c SS |
738 | } |
| 739 | ||
| 740 | static void | |
| 741 | disp_regs(sregs,cwp) | |
| 742 | struct pstate *sregs; | |
| 743 | int cwp; | |
| 744 | { | |
| 745 | ||
| 746 | int i; | |
| 747 | ||
| 748 | cwp = ((cwp & 0x7) << 4); | |
| 749 | printf("\n\t INS LOCALS OUTS GLOBALS\n"); | |
| 750 | for (i = 0; i < 8; i++) { | |
| 751 | printf(" %d: %08X %08X %08X %08X\n", i, | |
| 752 | sregs->r[(cwp + i + 24) & 0x7f], | |
| 753 | sregs->r[(cwp + i + 16) & 0x7f], sregs->r[(cwp + i + 8) & 0x7f], | |
| 754 | sregs->g[i]); | |
| 755 | } | |
| 756 | } | |
| 757 | ||
| 53b5af48 JG |
758 | static void print_insn_sparc_sis(uint32 addr, struct disassemble_info *info) |
| 759 | { | |
| 760 | unsigned char i[4]; | |
| 761 | ||
| 762 | sis_memory_read(addr, i, 4); | |
| 763 | dinfo.buffer_vma = addr; | |
| 764 | dinfo.buffer_length = 4; | |
| 765 | dinfo.buffer = i; | |
| 766 | print_insn_sparc(addr, info); | |
| 767 | } | |
| 768 | ||
| c906108c SS |
769 | static void |
| 770 | disp_ctrl(sregs) | |
| 771 | struct pstate *sregs; | |
| 772 | { | |
| 773 | ||
| d3e9b40a | 774 | uint32 i; |
| c906108c SS |
775 | |
| 776 | printf("\n psr: %08X wim: %08X tbr: %08X y: %08X\n", | |
| 777 | sregs->psr, sregs->wim, sregs->tbr, sregs->y); | |
| d3e9b40a JG |
778 | sis_memory_read (sregs->pc, (char *) &i, 4); |
| 779 | printf ("\n pc: %08X = %08X ", sregs->pc, i); | |
| 53b5af48 | 780 | print_insn_sparc_sis(sregs->pc, &dinfo); |
| d3e9b40a JG |
781 | sis_memory_read (sregs->npc, (char *) &i, 4); |
| 782 | printf ("\n npc: %08X = %08X ", sregs->npc, i); | |
| 53b5af48 | 783 | print_insn_sparc_sis(sregs->npc, &dinfo); |
| c906108c SS |
784 | if (sregs->err_mode) |
| 785 | printf("\n IU in error mode"); | |
| 786 | printf("\n\n"); | |
| 787 | } | |
| 788 | ||
| 789 | static void | |
| 790 | disp_mem(addr, len) | |
| 791 | uint32 addr; | |
| 792 | uint32 len; | |
| 793 | { | |
| 794 | ||
| 795 | uint32 i; | |
| d3e9b40a JG |
796 | union { |
| 797 | unsigned char u8[4]; | |
| 798 | uint32 u32; | |
| 799 | } data; | |
| c906108c SS |
800 | uint32 mem[4], j; |
| 801 | char *p; | |
| 802 | ||
| 803 | for (i = addr & ~3; i < ((addr + len) & ~3); i += 16) { | |
| 804 | printf("\n %8X ", i); | |
| 805 | for (j = 0; j < 4; j++) { | |
| d3e9b40a JG |
806 | sis_memory_read ((i + (j * 4)), data.u8, 4); |
| 807 | printf ("%08x ", data.u32); | |
| 808 | mem[j] = data.u32; | |
| c906108c SS |
809 | } |
| 810 | printf(" "); | |
| 811 | p = (char *) mem; | |
| 812 | for (j = 0; j < 16; j++) { | |
| d3e9b40a JG |
813 | if (isprint (p[j ^ EBT])) |
| 814 | putchar (p[j ^ EBT]); | |
| c906108c SS |
815 | else |
| 816 | putchar('.'); | |
| 817 | } | |
| 818 | } | |
| 819 | printf("\n\n"); | |
| 820 | } | |
| 821 | ||
| 822 | void | |
| 823 | dis_mem(addr, len, info) | |
| 824 | uint32 addr; | |
| 825 | uint32 len; | |
| 826 | struct disassemble_info *info; | |
| 827 | { | |
| 828 | uint32 i; | |
| d3e9b40a JG |
829 | union { |
| 830 | unsigned char u8[4]; | |
| 831 | uint32 u32; | |
| 832 | } data; | |
| c906108c SS |
833 | |
| 834 | for (i = addr & -3; i < ((addr & -3) + (len << 2)); i += 4) { | |
| d3e9b40a JG |
835 | sis_memory_read (i, data.u8, 4); |
| 836 | printf (" %08x %08x ", i, data.u32); | |
| 53b5af48 | 837 | print_insn_sparc_sis(i, info); |
| c906108c SS |
838 | if (i >= 0xfffffffc) break; |
| 839 | printf("\n"); | |
| 840 | } | |
| 841 | } | |
| 842 | ||
| c906108c SS |
843 | /* Add event to event queue */ |
| 844 | ||
| 845 | void | |
| 846 | event(cfunc, arg, delta) | |
| 847 | void (*cfunc) (); | |
| 848 | int32 arg; | |
| 94110024 | 849 | uint64 delta; |
| c906108c SS |
850 | { |
| 851 | struct evcell *ev1, *evins; | |
| 852 | ||
| 853 | if (ebase.freeq == NULL) { | |
| 854 | printf("Error, too many events in event queue\n"); | |
| 855 | return; | |
| 856 | } | |
| 857 | ev1 = &ebase.eq; | |
| 858 | delta += ebase.simtime; | |
| 859 | while ((ev1->nxt != NULL) && (ev1->nxt->time <= delta)) { | |
| 860 | ev1 = ev1->nxt; | |
| 861 | } | |
| 862 | if (ev1->nxt == NULL) { | |
| 863 | ev1->nxt = ebase.freeq; | |
| 864 | ebase.freeq = ebase.freeq->nxt; | |
| 865 | ev1->nxt->nxt = NULL; | |
| 866 | } else { | |
| 867 | evins = ebase.freeq; | |
| 868 | ebase.freeq = ebase.freeq->nxt; | |
| 869 | evins->nxt = ev1->nxt; | |
| 870 | ev1->nxt = evins; | |
| 871 | } | |
| 872 | ev1->nxt->time = delta; | |
| 873 | ev1->nxt->cfunc = cfunc; | |
| 874 | ev1->nxt->arg = arg; | |
| 875 | } | |
| 876 | ||
| 877 | #if 0 /* apparently not used */ | |
| 878 | void | |
| 879 | stop_event() | |
| 880 | { | |
| 881 | } | |
| 882 | #endif | |
| 883 | ||
| 884 | void | |
| 885 | init_event() | |
| 886 | { | |
| 887 | int32 i; | |
| 888 | ||
| 889 | ebase.eq.nxt = NULL; | |
| 890 | ebase.freeq = evbuf; | |
| 891 | for (i = 0; i < EVENT_MAX; i++) { | |
| 892 | evbuf[i].nxt = &evbuf[i + 1]; | |
| 893 | } | |
| 894 | evbuf[EVENT_MAX - 1].nxt = NULL; | |
| 895 | } | |
| 896 | ||
| 897 | void | |
| 898 | set_int(level, callback, arg) | |
| 899 | int32 level; | |
| 900 | void (*callback) (); | |
| 901 | int32 arg; | |
| 902 | { | |
| 903 | irqarr[level & 0x0f].callback = callback; | |
| 904 | irqarr[level & 0x0f].arg = arg; | |
| 905 | } | |
| 906 | ||
| 907 | /* Advance simulator time */ | |
| 908 | ||
| 909 | void | |
| 910 | advance_time(sregs) | |
| 911 | struct pstate *sregs; | |
| 912 | { | |
| 913 | ||
| 914 | struct evcell *evrem; | |
| 915 | void (*cfunc) (); | |
| 94110024 JS |
916 | uint32 arg; |
| 917 | uint64 endtime; | |
| c906108c SS |
918 | |
| 919 | #ifdef STAT | |
| 920 | sregs->fholdt += sregs->fhold; | |
| 921 | sregs->holdt += sregs->hold; | |
| 922 | sregs->icntt += sregs->icnt; | |
| 923 | #endif | |
| 924 | ||
| 925 | endtime = ebase.simtime + sregs->icnt + sregs->hold + sregs->fhold; | |
| 926 | ||
| 927 | while ((ebase.eq.nxt->time <= (endtime)) && (ebase.eq.nxt != NULL)) { | |
| 928 | ebase.simtime = ebase.eq.nxt->time; | |
| 929 | cfunc = ebase.eq.nxt->cfunc; | |
| 930 | arg = ebase.eq.nxt->arg; | |
| 931 | evrem = ebase.eq.nxt; | |
| 932 | ebase.eq.nxt = ebase.eq.nxt->nxt; | |
| 933 | evrem->nxt = ebase.freeq; | |
| 934 | ebase.freeq = evrem; | |
| 935 | cfunc(arg); | |
| 936 | } | |
| 937 | ebase.simtime = endtime; | |
| 938 | ||
| 939 | } | |
| 940 | ||
| 941 | uint32 | |
| 942 | now() | |
| 943 | { | |
| 5831e29b | 944 | return ebase.simtime; |
| c906108c SS |
945 | } |
| 946 | ||
| 947 | ||
| 948 | /* Advance time until an external interrupt is seen */ | |
| 949 | ||
| 950 | int | |
| 951 | wait_for_irq() | |
| 952 | { | |
| 953 | struct evcell *evrem; | |
| 954 | void (*cfunc) (); | |
| 94110024 JS |
955 | int32 arg; |
| 956 | uint64 endtime; | |
| c906108c SS |
957 | |
| 958 | if (ebase.eq.nxt == NULL) | |
| 959 | printf("Warning: event queue empty - power-down mode not entered\n"); | |
| 960 | endtime = ebase.simtime; | |
| 961 | while (!ext_irl && (ebase.eq.nxt != NULL)) { | |
| 962 | ebase.simtime = ebase.eq.nxt->time; | |
| 963 | cfunc = ebase.eq.nxt->cfunc; | |
| 964 | arg = ebase.eq.nxt->arg; | |
| 965 | evrem = ebase.eq.nxt; | |
| 966 | ebase.eq.nxt = ebase.eq.nxt->nxt; | |
| 967 | evrem->nxt = ebase.freeq; | |
| 968 | ebase.freeq = evrem; | |
| 969 | cfunc(arg); | |
| 970 | if (ctrl_c) { | |
| 971 | printf("\bwarning: power-down mode interrupted\n"); | |
| 972 | break; | |
| 973 | } | |
| 974 | } | |
| 975 | sregs.pwdtime += ebase.simtime - endtime; | |
| 5831e29b | 976 | return ebase.simtime - endtime; |
| c906108c SS |
977 | } |
| 978 | ||
| 979 | int | |
| 980 | check_bpt(sregs) | |
| 981 | struct pstate *sregs; | |
| 982 | { | |
| 983 | int32 i; | |
| 984 | ||
| 985 | if ((sregs->bphit) || (sregs->annul)) | |
| 5831e29b | 986 | return 0; |
| c906108c SS |
987 | for (i = 0; i < (int32) sregs->bptnum; i++) { |
| 988 | if (sregs->pc == sregs->bpts[i]) | |
| 5831e29b | 989 | return BPT_HIT; |
| c906108c | 990 | } |
| 5831e29b | 991 | return 0; |
| c906108c SS |
992 | } |
| 993 | ||
| 994 | void | |
| 995 | reset_all() | |
| 996 | { | |
| 997 | init_event(); /* Clear event queue */ | |
| 998 | init_regs(&sregs); | |
| 999 | reset(); | |
| 1000 | #ifdef ERRINJ | |
| 1001 | errinjstart(); | |
| 1002 | #endif | |
| 1003 | } | |
| 1004 | ||
| 1005 | void | |
| 1006 | sys_reset() | |
| 1007 | { | |
| 1008 | reset_all(); | |
| 1009 | sregs.trap = 256; /* Force fake reset trap */ | |
| 1010 | } | |
| 1011 | ||
| 1012 | void | |
| 1013 | sys_halt() | |
| 1014 | { | |
| 1015 | sregs.trap = 257; /* Force fake halt trap */ | |
| 1016 | } | |
| 1017 | ||
| 1018 | #include "ansidecl.h" | |
| 1019 | ||
| c906108c | 1020 | #include <stdarg.h> |
| c906108c SS |
1021 | |
| 1022 | #include "libiberty.h" | |
| 1023 | #include "bfd.h" | |
| 1024 | ||
| 1025 | #define min(A, B) (((A) < (B)) ? (A) : (B)) | |
| 1026 | #define LOAD_ADDRESS 0 | |
| 1027 | ||
| 1028 | int | |
| 510d2751 | 1029 | bfd_load (const char *fname) |
| c906108c SS |
1030 | { |
| 1031 | asection *section; | |
| 1032 | bfd *pbfd; | |
| 1033 | const bfd_arch_info_type *arch; | |
| d3e9b40a | 1034 | int i; |
| c906108c SS |
1035 | |
| 1036 | pbfd = bfd_openr(fname, 0); | |
| 1037 | ||
| 1038 | if (pbfd == NULL) { | |
| 1039 | printf("open of %s failed\n", fname); | |
| 5831e29b | 1040 | return -1; |
| c906108c SS |
1041 | } |
| 1042 | if (!bfd_check_format(pbfd, bfd_object)) { | |
| 1043 | printf("file %s doesn't seem to be an object file\n", fname); | |
| 5831e29b | 1044 | return -1; |
| c906108c SS |
1045 | } |
| 1046 | ||
| 1047 | arch = bfd_get_arch_info (pbfd); | |
| c906108c SS |
1048 | if (sis_verbose) |
| 1049 | printf("loading %s:", fname); | |
| 1050 | for (section = pbfd->sections; section; section = section->next) { | |
| 1051 | if (bfd_get_section_flags(pbfd, section) & SEC_ALLOC) { | |
| 1052 | bfd_vma section_address; | |
| 1053 | unsigned long section_size; | |
| 1054 | const char *section_name; | |
| 1055 | ||
| 1056 | section_name = bfd_get_section_name(pbfd, section); | |
| 1057 | ||
| 1058 | section_address = bfd_get_section_vma(pbfd, section); | |
| 1059 | /* | |
| 1060 | * Adjust sections from a.out files, since they don't carry their | |
| 1061 | * addresses with. | |
| 1062 | */ | |
| 1063 | if (bfd_get_flavour(pbfd) == bfd_target_aout_flavour) { | |
| 1064 | if (strcmp (section_name, ".text") == 0) | |
| 1065 | section_address = bfd_get_start_address (pbfd); | |
| 1066 | else if (strcmp (section_name, ".data") == 0) { | |
| 1067 | /* Read the first 8 bytes of the data section. | |
| 1068 | There should be the string 'DaTa' followed by | |
| 1069 | a word containing the actual section address. */ | |
| 1070 | struct data_marker | |
| 1071 | { | |
| 1072 | char signature[4]; /* 'DaTa' */ | |
| 1073 | unsigned char sdata[4]; /* &sdata */ | |
| 1074 | } marker; | |
| 1075 | bfd_get_section_contents (pbfd, section, &marker, 0, | |
| 1076 | sizeof (marker)); | |
| 1077 | if (strncmp (marker.signature, "DaTa", 4) == 0) | |
| 1078 | { | |
| d3e9b40a | 1079 | section_address = bfd_getb32 (marker.sdata); |
| c906108c SS |
1080 | } |
| 1081 | } | |
| 1082 | } | |
| 1083 | ||
| 1084 | section_size = bfd_section_size(pbfd, section); | |
| 1085 | ||
| 1086 | if (sis_verbose) | |
| 1087 | printf("\nsection %s at 0x%08lx (0x%lx bytes)", | |
| 1088 | section_name, section_address, section_size); | |
| 1089 | ||
| 1090 | /* Text, data or lit */ | |
| 1091 | if (bfd_get_section_flags(pbfd, section) & SEC_LOAD) { | |
| 1092 | file_ptr fptr; | |
| 1093 | ||
| 1094 | fptr = 0; | |
| 1095 | ||
| 1096 | while (section_size > 0) { | |
| 1097 | char buffer[1024]; | |
| 1098 | int count; | |
| 1099 | ||
| 1100 | count = min(section_size, 1024); | |
| 1101 | ||
| 1102 | bfd_get_section_contents(pbfd, section, buffer, fptr, count); | |
| 1103 | ||
| d3e9b40a JG |
1104 | for (i = 0; i < count; i++) |
| 1105 | sis_memory_write ((section_address + i) ^ EBT, &buffer[i], 1); | |
| c906108c SS |
1106 | |
| 1107 | section_address += count; | |
| 1108 | fptr += count; | |
| 1109 | section_size -= count; | |
| 1110 | } | |
| 1111 | } else /* BSS */ | |
| 1112 | if (sis_verbose) | |
| 1113 | printf("(not loaded)"); | |
| 1114 | } | |
| 1115 | } | |
| 1116 | if (sis_verbose) | |
| 1117 | printf("\n"); | |
| 1118 | ||
| 5831e29b | 1119 | return bfd_get_start_address (pbfd); |
| c906108c | 1120 | } |
| 96d67095 JG |
1121 | |
| 1122 | double get_time (void) | |
| 1123 | { | |
| 1124 | double usec; | |
| 1125 | ||
| 1126 | struct timeval tm; | |
| 1127 | ||
| 1128 | gettimeofday (&tm, NULL); | |
| 1129 | usec = ((double) tm.tv_sec) * 1E6 + ((double) tm.tv_usec); | |
| 5831e29b | 1130 | return usec / 1E6; |
| 96d67095 | 1131 | } |