| 1 | /* reg.c --- register set model for M32C simulator. |
| 2 | |
| 3 | Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 4 | Contributed by Red Hat, Inc. |
| 5 | |
| 6 | This file is part of the GNU simulators. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | |
| 26 | #include "cpu.h" |
| 27 | |
| 28 | int verbose = 0; |
| 29 | int trace = 0; |
| 30 | int enable_counting = 0; |
| 31 | int in_gdb = 1; |
| 32 | |
| 33 | regs_type regs; |
| 34 | int addr_mask = 0xffff; |
| 35 | int membus_mask = 0xfffff; |
| 36 | int m32c_cpu = 0; |
| 37 | int step_result; |
| 38 | unsigned int heapbottom = 0; |
| 39 | unsigned int heaptop = 0; |
| 40 | |
| 41 | char *reg_names[] = { |
| 42 | "mem", |
| 43 | "r0", "r0h", "r0l", |
| 44 | "r1", "r1h", "r1l", |
| 45 | "r2", "r2r0", |
| 46 | "r3", "r3r1", |
| 47 | "r3r1r2r0", |
| 48 | "r3r2r1r0", |
| 49 | "a0", |
| 50 | "a1", "a1a0", |
| 51 | "sb", "fb", |
| 52 | "intb", "intbl", "intbh", |
| 53 | "sp", "usp", "isp", "pc", "flags" |
| 54 | }; |
| 55 | |
| 56 | int reg_bytes[] = { |
| 57 | 0, |
| 58 | 2, 1, 1, |
| 59 | 2, 1, 1, |
| 60 | 2, 4, |
| 61 | 2, 4, |
| 62 | 8, |
| 63 | 8, |
| 64 | 2, |
| 65 | 2, 4, |
| 66 | 2, 2, |
| 67 | 2, 1, 3, |
| 68 | 2, 2, 2, 3, 2 |
| 69 | }; |
| 70 | |
| 71 | |
| 72 | unsigned int b2mask[] = { 0, 0xff, 0xffff, 0xffffff, 0xffffffff }; |
| 73 | unsigned int b2signbit[] = { 0, (1 << 7), (1 << 15), (1 << 24), (1 << 31) }; |
| 74 | int b2maxsigned[] = { 0, 0x7f, 0x7fff, 0x7fffff, 0x7fffffff }; |
| 75 | int b2minsigned[] = { 0, -128, -32768, -8388608, -2147483647 - 1 }; |
| 76 | |
| 77 | static regs_type oldregs; |
| 78 | |
| 79 | int m32c_opcode_pc; |
| 80 | |
| 81 | void |
| 82 | init_regs (void) |
| 83 | { |
| 84 | memset (®s, 0, sizeof (regs)); |
| 85 | memset (&oldregs, 0, sizeof (oldregs)); |
| 86 | } |
| 87 | |
| 88 | void |
| 89 | set_pointer_width (int bytes) |
| 90 | { |
| 91 | if (bytes == 2) |
| 92 | { |
| 93 | addr_mask = 0xffff; |
| 94 | membus_mask = 0x000fffff; |
| 95 | reg_bytes[a0] = reg_bytes[a1] = reg_bytes[sb] = reg_bytes[fb] = |
| 96 | reg_bytes[sp] = reg_bytes[usp] = reg_bytes[isp] = 2; |
| 97 | } |
| 98 | else |
| 99 | { |
| 100 | addr_mask = 0xffffff; |
| 101 | membus_mask = 0x00ffffff; |
| 102 | reg_bytes[a0] = reg_bytes[a1] = reg_bytes[sb] = reg_bytes[fb] = |
| 103 | reg_bytes[sp] = reg_bytes[usp] = reg_bytes[isp] = 3; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | void |
| 108 | m32c_set_cpu (int cpu) |
| 109 | { |
| 110 | switch (cpu) |
| 111 | { |
| 112 | case CPU_R8C: |
| 113 | case CPU_M16C: |
| 114 | set_pointer_width (2); |
| 115 | decode_opcode = decode_r8c; |
| 116 | break; |
| 117 | case CPU_M32CM: |
| 118 | case CPU_M32C: |
| 119 | set_pointer_width (3); |
| 120 | decode_opcode = decode_m32c; |
| 121 | break; |
| 122 | default: |
| 123 | abort (); |
| 124 | } |
| 125 | m32c_cpu = cpu; |
| 126 | } |
| 127 | |
| 128 | static unsigned int |
| 129 | get_reg_i (reg_id id) |
| 130 | { |
| 131 | reg_bank_type *b = regs.r + (FLAG_B ? 1 : 0); |
| 132 | |
| 133 | switch (id) |
| 134 | { |
| 135 | case r0: |
| 136 | return b->r_r0; |
| 137 | case r0h: |
| 138 | return b->r_r0 >> 8; |
| 139 | case r0l: |
| 140 | return b->r_r0 & 0xff; |
| 141 | case r1: |
| 142 | return b->r_r1; |
| 143 | case r1h: |
| 144 | return b->r_r1 >> 8; |
| 145 | case r1l: |
| 146 | return b->r_r1 & 0xff; |
| 147 | case r2: |
| 148 | return b->r_r2; |
| 149 | case r2r0: |
| 150 | return b->r_r2 * 65536 + b->r_r0; |
| 151 | case r3: |
| 152 | return b->r_r3; |
| 153 | case r3r1: |
| 154 | return b->r_r3 * 65536 + b->r_r1; |
| 155 | |
| 156 | case a0: |
| 157 | return b->r_a0 & addr_mask; |
| 158 | case a1: |
| 159 | return b->r_a1 & addr_mask; |
| 160 | case a1a0: |
| 161 | return (b->r_a1 & 0xffff) * 65536 | (b->r_a0 & 0xffff); |
| 162 | |
| 163 | case sb: |
| 164 | return b->r_sb & addr_mask; |
| 165 | case fb: |
| 166 | return b->r_fb & addr_mask; |
| 167 | |
| 168 | case intb: |
| 169 | return regs.r_intbh * 65536 + regs.r_intbl; |
| 170 | case intbl: |
| 171 | return regs.r_intbl; |
| 172 | case intbh: |
| 173 | return regs.r_intbh; |
| 174 | |
| 175 | case sp: |
| 176 | return ((regs.r_flags & FLAGBIT_U) ? regs.r_usp : regs. |
| 177 | r_isp) & addr_mask; |
| 178 | case usp: |
| 179 | return regs.r_usp & addr_mask; |
| 180 | case isp: |
| 181 | return regs.r_isp & addr_mask; |
| 182 | |
| 183 | case pc: |
| 184 | return regs.r_pc & membus_mask; |
| 185 | case flags: |
| 186 | return regs.r_flags; |
| 187 | default: |
| 188 | abort (); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | unsigned int |
| 193 | get_reg (reg_id id) |
| 194 | { |
| 195 | unsigned int rv = get_reg_i (id); |
| 196 | if (trace > ((id != pc && id != fb && id != sp) ? 0 : 1)) |
| 197 | printf ("get_reg (%s) = %0*x\n", reg_names[id], reg_bytes[id] * 2, rv); |
| 198 | return rv; |
| 199 | } |
| 200 | |
| 201 | DI |
| 202 | get_reg_ll (reg_id id) |
| 203 | { |
| 204 | reg_bank_type *b = regs.r + (FLAG_B ? 1 : 0); |
| 205 | |
| 206 | switch (id) |
| 207 | { |
| 208 | case r3r1r2r0: |
| 209 | return ((DI) b->r_r3 << 48 |
| 210 | | (DI) b->r_r1 << 32 | (DI) b->r_r2 << 16 | (DI) b->r_r0); |
| 211 | case r3r2r1r0: |
| 212 | return ((DI) b->r_r3 << 48 |
| 213 | | (DI) b->r_r2 << 32 | (DI) b->r_r1 << 16 | (DI) b->r_r0); |
| 214 | default: |
| 215 | return get_reg (id); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | static int highest_sp = 0, lowest_sp = 0xffffff; |
| 220 | |
| 221 | void |
| 222 | stack_heap_stats () |
| 223 | { |
| 224 | printf ("heap: %08x - %08x (%d bytes)\n", heapbottom, heaptop, |
| 225 | heaptop - heapbottom); |
| 226 | printf ("stack: %08x - %08x (%d bytes)\n", lowest_sp, highest_sp, |
| 227 | highest_sp - lowest_sp); |
| 228 | } |
| 229 | |
| 230 | void |
| 231 | put_reg (reg_id id, unsigned int v) |
| 232 | { |
| 233 | if (trace > ((id != pc) ? 0 : 1)) |
| 234 | printf ("put_reg (%s) = %0*x\n", reg_names[id], reg_bytes[id] * 2, v); |
| 235 | |
| 236 | reg_bank_type *b = regs.r + (FLAG_B ? 1 : 0); |
| 237 | switch (id) |
| 238 | { |
| 239 | case r0: |
| 240 | b->r_r0 = v; |
| 241 | break; |
| 242 | case r0h: |
| 243 | b->r_r0 = (b->r_r0 & 0xff) | (v << 8); |
| 244 | break; |
| 245 | case r0l: |
| 246 | b->r_r0 = (b->r_r0 & 0xff00) | (v & 0xff); |
| 247 | break; |
| 248 | case r1: |
| 249 | b->r_r1 = v; |
| 250 | break; |
| 251 | case r1h: |
| 252 | b->r_r1 = (b->r_r1 & 0xff) | (v << 8); |
| 253 | break; |
| 254 | case r1l: |
| 255 | b->r_r1 = (b->r_r1 & 0xff00) | (v & 0xff); |
| 256 | break; |
| 257 | case r2: |
| 258 | b->r_r2 = v; |
| 259 | break; |
| 260 | case r2r0: |
| 261 | b->r_r0 = v & 0xffff; |
| 262 | b->r_r2 = v >> 16; |
| 263 | break; |
| 264 | case r3: |
| 265 | b->r_r3 = v; |
| 266 | break; |
| 267 | case r3r1: |
| 268 | b->r_r1 = v & 0xffff; |
| 269 | b->r_r3 = v >> 16; |
| 270 | break; |
| 271 | |
| 272 | case a0: |
| 273 | b->r_a0 = v & addr_mask; |
| 274 | break; |
| 275 | case a1: |
| 276 | b->r_a1 = v & addr_mask; |
| 277 | break; |
| 278 | case a1a0: |
| 279 | b->r_a0 = v & 0xffff; |
| 280 | b->r_a1 = v >> 16; |
| 281 | break; |
| 282 | |
| 283 | case sb: |
| 284 | b->r_sb = v & addr_mask; |
| 285 | break; |
| 286 | case fb: |
| 287 | b->r_fb = v & addr_mask; |
| 288 | break; |
| 289 | |
| 290 | case intb: |
| 291 | regs.r_intbl = v & 0xffff; |
| 292 | regs.r_intbh = v >> 16; |
| 293 | break; |
| 294 | case intbl: |
| 295 | regs.r_intbl = v & 0xffff; |
| 296 | break; |
| 297 | case intbh: |
| 298 | regs.r_intbh = v & 0xff; |
| 299 | break; |
| 300 | |
| 301 | case sp: |
| 302 | { |
| 303 | SI *spp; |
| 304 | if (regs.r_flags & FLAGBIT_U) |
| 305 | spp = ®s.r_usp; |
| 306 | else |
| 307 | spp = ®s.r_isp; |
| 308 | *spp = v & addr_mask; |
| 309 | if (*spp < heaptop) |
| 310 | { |
| 311 | printf ("collision: pc %08lx heap %08x stack %08lx\n", regs.r_pc, |
| 312 | heaptop, *spp); |
| 313 | exit (1); |
| 314 | } |
| 315 | if (*spp < lowest_sp) |
| 316 | lowest_sp = *spp; |
| 317 | if (*spp > highest_sp) |
| 318 | highest_sp = *spp; |
| 319 | break; |
| 320 | } |
| 321 | case usp: |
| 322 | regs.r_usp = v & addr_mask; |
| 323 | break; |
| 324 | case isp: |
| 325 | regs.r_isp = v & addr_mask; |
| 326 | break; |
| 327 | |
| 328 | case pc: |
| 329 | regs.r_pc = v & membus_mask; |
| 330 | break; |
| 331 | case flags: |
| 332 | regs.r_flags = v; |
| 333 | break; |
| 334 | default: |
| 335 | abort (); |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | int |
| 340 | condition_true (int cond_id) |
| 341 | { |
| 342 | int f; |
| 343 | if (A16) |
| 344 | { |
| 345 | static const char *cond_name[] = { |
| 346 | "C", "C&!Z", "Z", "S", |
| 347 | "!C", "!(C&!Z)", "!Z", "!S", |
| 348 | "(S^O)|Z", "O", "!(S^O)", "unk", |
| 349 | "!((S^O)|Z)", "!O", "S^O", "unk" |
| 350 | }; |
| 351 | switch (cond_id & 15) |
| 352 | { |
| 353 | case 0: |
| 354 | f = FLAG_C; |
| 355 | break; /* GEU/C */ |
| 356 | case 1: |
| 357 | f = FLAG_C & !FLAG_Z; |
| 358 | break; /* GTU */ |
| 359 | case 2: |
| 360 | f = FLAG_Z; |
| 361 | break; /* EQ/Z */ |
| 362 | case 3: |
| 363 | f = FLAG_S; |
| 364 | break; /* N */ |
| 365 | case 4: |
| 366 | f = !FLAG_C; |
| 367 | break; /* LTU/NC */ |
| 368 | case 5: |
| 369 | f = !(FLAG_C & !FLAG_Z); |
| 370 | break; /* LEU */ |
| 371 | case 6: |
| 372 | f = !FLAG_Z; |
| 373 | break; /* NE/NZ */ |
| 374 | case 7: |
| 375 | f = !FLAG_S; |
| 376 | break; /* PZ */ |
| 377 | |
| 378 | case 8: |
| 379 | f = (FLAG_S ^ FLAG_O) | FLAG_Z; |
| 380 | break; /* LE */ |
| 381 | case 9: |
| 382 | f = FLAG_O; |
| 383 | break; /* O */ |
| 384 | case 10: |
| 385 | f = !(FLAG_S ^ FLAG_O); |
| 386 | break; /* GE */ |
| 387 | case 12: |
| 388 | f = !((FLAG_S ^ FLAG_O) | FLAG_Z); |
| 389 | break; /* GT */ |
| 390 | case 13: |
| 391 | f = !FLAG_O; |
| 392 | break; /* NO */ |
| 393 | case 14: |
| 394 | f = FLAG_S ^ FLAG_O; |
| 395 | break; /* LT */ |
| 396 | |
| 397 | default: |
| 398 | f = 0; |
| 399 | break; |
| 400 | } |
| 401 | if (trace) |
| 402 | printf ("cond[%d] %s = %s\n", cond_id, cond_name[cond_id & 15], |
| 403 | f ? "true" : "false"); |
| 404 | } |
| 405 | else |
| 406 | { |
| 407 | static const char *cond_name[] = { |
| 408 | "!C", "LEU", "!Z", "PZ", |
| 409 | "!O", "GT", "GE", "?", |
| 410 | "C", "GTU", "Z", "N", |
| 411 | "O", "LE", "LT", "!?" |
| 412 | }; |
| 413 | switch (cond_id & 15) |
| 414 | { |
| 415 | case 0: |
| 416 | f = !FLAG_C; |
| 417 | break; /* LTU/NC */ |
| 418 | case 1: |
| 419 | f = !(FLAG_C & !FLAG_Z); |
| 420 | break; /* LEU */ |
| 421 | case 2: |
| 422 | f = !FLAG_Z; |
| 423 | break; /* NE/NZ */ |
| 424 | case 3: |
| 425 | f = !FLAG_S; |
| 426 | break; /* PZ */ |
| 427 | |
| 428 | case 4: |
| 429 | f = !FLAG_O; |
| 430 | break; /* NO */ |
| 431 | case 5: |
| 432 | f = !((FLAG_S ^ FLAG_O) | FLAG_Z); |
| 433 | break; /* GT */ |
| 434 | case 6: |
| 435 | f = !(FLAG_S ^ FLAG_O); |
| 436 | break; /* GE */ |
| 437 | |
| 438 | case 8: |
| 439 | f = FLAG_C; |
| 440 | break; /* GEU/C */ |
| 441 | case 9: |
| 442 | f = FLAG_C & !FLAG_Z; |
| 443 | break; /* GTU */ |
| 444 | case 10: |
| 445 | f = FLAG_Z; |
| 446 | break; /* EQ/Z */ |
| 447 | case 11: |
| 448 | f = FLAG_S; |
| 449 | break; /* N */ |
| 450 | |
| 451 | case 12: |
| 452 | f = FLAG_O; |
| 453 | break; /* O */ |
| 454 | case 13: |
| 455 | f = (FLAG_S ^ FLAG_O) | FLAG_Z; |
| 456 | break; /* LE */ |
| 457 | case 14: |
| 458 | f = FLAG_S ^ FLAG_O; |
| 459 | break; /* LT */ |
| 460 | |
| 461 | default: |
| 462 | f = 0; |
| 463 | break; |
| 464 | } |
| 465 | if (trace) |
| 466 | printf ("cond[%d] %s = %s\n", cond_id, cond_name[cond_id & 15], |
| 467 | f ? "true" : "false"); |
| 468 | } |
| 469 | return f; |
| 470 | } |
| 471 | |
| 472 | void |
| 473 | set_flags (int mask, int newbits) |
| 474 | { |
| 475 | int i; |
| 476 | regs.r_flags &= ~mask; |
| 477 | regs.r_flags |= newbits & mask; |
| 478 | if (trace) |
| 479 | { |
| 480 | printf ("flags now \033[32m %d", (regs.r_flags >> (A16 ? 8 : 12)) & 7); |
| 481 | for (i = 7; i >= 0; i--) |
| 482 | if (regs.r_flags & (1 << i)) |
| 483 | putchar ("CDZSBOIU"[i]); |
| 484 | else |
| 485 | putchar ('-'); |
| 486 | printf ("\033[0m\n"); |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | void |
| 491 | set_oszc (int value, int b, int c) |
| 492 | { |
| 493 | int mask = b2mask[b]; |
| 494 | int f = 0; |
| 495 | |
| 496 | if (c) |
| 497 | f |= FLAGBIT_C; |
| 498 | if ((value & mask) == 0) |
| 499 | f |= FLAGBIT_Z; |
| 500 | if (value & b2signbit[b]) |
| 501 | f |= FLAGBIT_S; |
| 502 | if ((value > b2maxsigned[b]) || (value < b2minsigned[b])) |
| 503 | f |= FLAGBIT_O; |
| 504 | set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f); |
| 505 | } |
| 506 | |
| 507 | void |
| 508 | set_szc (int value, int b, int c) |
| 509 | { |
| 510 | int mask = b2mask[b]; |
| 511 | int f = 0; |
| 512 | |
| 513 | if (c) |
| 514 | f |= FLAGBIT_C; |
| 515 | if ((value & mask) == 0) |
| 516 | f |= FLAGBIT_Z; |
| 517 | if (value & b2signbit[b]) |
| 518 | f |= FLAGBIT_S; |
| 519 | set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_C, f); |
| 520 | } |
| 521 | |
| 522 | void |
| 523 | set_osz (int value, int b) |
| 524 | { |
| 525 | int mask = b2mask[b]; |
| 526 | int f = 0; |
| 527 | |
| 528 | if ((value & mask) == 0) |
| 529 | f |= FLAGBIT_Z; |
| 530 | if (value & b2signbit[b]) |
| 531 | f |= FLAGBIT_S; |
| 532 | if (value & ~mask && (value & ~mask) != ~mask) |
| 533 | f |= FLAGBIT_O; |
| 534 | set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O, f); |
| 535 | } |
| 536 | |
| 537 | void |
| 538 | set_sz (int value, int b) |
| 539 | { |
| 540 | int mask = b2mask[b]; |
| 541 | int f = 0; |
| 542 | |
| 543 | if ((value & mask) == 0) |
| 544 | f |= FLAGBIT_Z; |
| 545 | if (value & b2signbit[b]) |
| 546 | f |= FLAGBIT_S; |
| 547 | set_flags (FLAGBIT_Z | FLAGBIT_S, f); |
| 548 | } |
| 549 | |
| 550 | void |
| 551 | set_zc (int z, int c) |
| 552 | { |
| 553 | set_flags (FLAGBIT_C | FLAGBIT_Z, |
| 554 | (c ? FLAGBIT_C : 0) | (z ? FLAGBIT_Z : 0)); |
| 555 | } |
| 556 | |
| 557 | void |
| 558 | set_c (int c) |
| 559 | { |
| 560 | set_flags (FLAGBIT_C, c ? FLAGBIT_C : 0); |
| 561 | } |
| 562 | |
| 563 | void |
| 564 | put_reg_ll (reg_id id, DI v) |
| 565 | { |
| 566 | reg_bank_type *b = regs.r + (FLAG_B ? 1 : 0); |
| 567 | |
| 568 | switch (id) |
| 569 | { |
| 570 | case r3r1r2r0: |
| 571 | b->r_r3 = v >> 48; |
| 572 | b->r_r1 = v >> 32; |
| 573 | b->r_r2 = v >> 16; |
| 574 | b->r_r0 = v; |
| 575 | break; |
| 576 | case r3r2r1r0: |
| 577 | b->r_r3 = v >> 48; |
| 578 | b->r_r2 = v >> 32; |
| 579 | b->r_r1 = v >> 16; |
| 580 | b->r_r0 = v; |
| 581 | break; |
| 582 | default: |
| 583 | put_reg (id, v); |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | static void |
| 588 | print_flags (int f) |
| 589 | { |
| 590 | int i; |
| 591 | static char fn[] = "CDZSBOIU"; |
| 592 | printf ("%d.", (f >> 12) & 7); |
| 593 | for (i = 7; i >= 0; i--) |
| 594 | if (f & (1 << i)) |
| 595 | putchar (fn[i]); |
| 596 | } |
| 597 | |
| 598 | #define TRC(f,n, id) \ |
| 599 | if (oldregs.f != regs.f) \ |
| 600 | { \ |
| 601 | printf(" %s %0*x:%0*x", n, \ |
| 602 | reg_bytes[id]*2, (unsigned int)oldregs.f, \ |
| 603 | reg_bytes[id]*2, (unsigned int)regs.f); \ |
| 604 | oldregs.f = regs.f; \ |
| 605 | } |
| 606 | |
| 607 | void |
| 608 | trace_register_changes () |
| 609 | { |
| 610 | if (!trace) |
| 611 | return; |
| 612 | printf ("\033[36mREGS:"); |
| 613 | TRC (r[0].r_r0, "r0", r0); |
| 614 | TRC (r[0].r_r1, "r1", r1); |
| 615 | TRC (r[0].r_r2, "r2", r2); |
| 616 | TRC (r[0].r_r3, "r3", r3); |
| 617 | TRC (r[0].r_a0, "a0", a0); |
| 618 | TRC (r[0].r_a1, "a1", a1); |
| 619 | TRC (r[0].r_sb, "sb", sb); |
| 620 | TRC (r[0].r_fb, "fb", fb); |
| 621 | TRC (r[1].r_r0, "r0'", r0); |
| 622 | TRC (r[1].r_r1, "r1'", r1); |
| 623 | TRC (r[1].r_r2, "r2'", r2); |
| 624 | TRC (r[1].r_r3, "r3'", r3); |
| 625 | TRC (r[1].r_a0, "a0'", a0); |
| 626 | TRC (r[1].r_a1, "a1'", a1); |
| 627 | TRC (r[1].r_sb, "sb'", sb); |
| 628 | TRC (r[1].r_fb, "fb'", fb); |
| 629 | TRC (r_intbh, "intbh", intbh); |
| 630 | TRC (r_intbl, "intbl", intbl); |
| 631 | TRC (r_usp, "usp", usp); |
| 632 | TRC (r_isp, "isp", isp); |
| 633 | TRC (r_pc, "pc", pc); |
| 634 | if (oldregs.r_flags != regs.r_flags) |
| 635 | { |
| 636 | printf (" flags "); |
| 637 | print_flags (oldregs.r_flags); |
| 638 | printf (":"); |
| 639 | print_flags (regs.r_flags); |
| 640 | } |
| 641 | printf ("\033[0m\n"); |
| 642 | } |
| 643 | |
| 644 | #define DRC(f, n, id) \ |
| 645 | printf(" %-3s %0*x", n, \ |
| 646 | reg_bytes[id]*2, (unsigned int)regs.f); \ |
| 647 | |
| 648 | void |
| 649 | m32c_dump_all_registers () |
| 650 | { |
| 651 | printf ("\033[36mREGS:"); |
| 652 | DRC (r[0].r_r0, "r0", r0); |
| 653 | DRC (r[0].r_r1, "r1", r1); |
| 654 | DRC (r[0].r_r2, "r2", r2); |
| 655 | DRC (r[0].r_r3, "r3", r3); |
| 656 | DRC (r[0].r_a0, "a0", a0); |
| 657 | DRC (r[0].r_a1, "a1", a1); |
| 658 | DRC (r[0].r_sb, "sb", sb); |
| 659 | DRC (r[0].r_fb, "fb", fb); |
| 660 | printf ("\n "); |
| 661 | DRC (r[1].r_r0, "r0'", r0); |
| 662 | DRC (r[1].r_r1, "r1'", r1); |
| 663 | DRC (r[1].r_r2, "r2'", r2); |
| 664 | DRC (r[1].r_r3, "r3'", r3); |
| 665 | DRC (r[1].r_a0, "a0'", a0); |
| 666 | DRC (r[1].r_a1, "a1'", a1); |
| 667 | DRC (r[1].r_sb, "sb'", sb); |
| 668 | DRC (r[1].r_fb, "fb'", fb); |
| 669 | printf (" \n"); |
| 670 | DRC (r_intbh, "intbh", intbh); |
| 671 | DRC (r_intbl, "intbl", intbl); |
| 672 | DRC (r_usp, "usp", usp); |
| 673 | DRC (r_isp, "isp", isp); |
| 674 | DRC (r_pc, "pc", pc); |
| 675 | printf (" flags "); |
| 676 | print_flags (regs.r_flags); |
| 677 | printf ("\033[0m\n"); |
| 678 | /*sim_disasm_one (); */ |
| 679 | } |