cpu.c (30137B)
1 /* 2 * Sparc CPU init helpers 3 * 4 * Copyright (c) 2003-2005 Fabrice Bellard 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library 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 GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "qapi/error.h" 22 #include "cpu.h" 23 #include "qemu/module.h" 24 #include "qemu/qemu-print.h" 25 #include "exec/exec-all.h" 26 #include "hw/qdev-properties.h" 27 #include "qapi/visitor.h" 28 29 //#define DEBUG_FEATURES 30 31 static void sparc_cpu_reset(DeviceState *dev) 32 { 33 CPUState *s = CPU(dev); 34 SPARCCPU *cpu = SPARC_CPU(s); 35 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu); 36 CPUSPARCState *env = &cpu->env; 37 38 scc->parent_reset(dev); 39 40 memset(env, 0, offsetof(CPUSPARCState, end_reset_fields)); 41 env->cwp = 0; 42 #ifndef TARGET_SPARC64 43 env->wim = 1; 44 #endif 45 env->regwptr = env->regbase + (env->cwp * 16); 46 CC_OP = CC_OP_FLAGS; 47 #if defined(CONFIG_USER_ONLY) 48 #ifdef TARGET_SPARC64 49 env->cleanwin = env->nwindows - 2; 50 env->cansave = env->nwindows - 2; 51 env->pstate = PS_RMO | PS_PEF | PS_IE; 52 env->asi = 0x82; /* Primary no-fault */ 53 #endif 54 #else 55 #if !defined(TARGET_SPARC64) 56 env->psret = 0; 57 env->psrs = 1; 58 env->psrps = 1; 59 #endif 60 #ifdef TARGET_SPARC64 61 env->pstate = PS_PRIV | PS_RED | PS_PEF; 62 if (!cpu_has_hypervisor(env)) { 63 env->pstate |= PS_AG; 64 } 65 env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0; 66 env->tl = env->maxtl; 67 env->gl = 2; 68 cpu_tsptr(env)->tt = TT_POWER_ON_RESET; 69 env->lsu = 0; 70 #else 71 env->mmuregs[0] &= ~(MMU_E | MMU_NF); 72 env->mmuregs[0] |= env->def.mmu_bm; 73 #endif 74 env->pc = 0; 75 env->npc = env->pc + 4; 76 #endif 77 env->cache_control = 0; 78 } 79 80 #ifndef CONFIG_USER_ONLY 81 static bool sparc_cpu_exec_interrupt(CPUState *cs, int interrupt_request) 82 { 83 if (interrupt_request & CPU_INTERRUPT_HARD) { 84 SPARCCPU *cpu = SPARC_CPU(cs); 85 CPUSPARCState *env = &cpu->env; 86 87 if (cpu_interrupts_enabled(env) && env->interrupt_index > 0) { 88 int pil = env->interrupt_index & 0xf; 89 int type = env->interrupt_index & 0xf0; 90 91 if (type != TT_EXTINT || cpu_pil_allowed(env, pil)) { 92 cs->exception_index = env->interrupt_index; 93 sparc_cpu_do_interrupt(cs); 94 return true; 95 } 96 } 97 } 98 return false; 99 } 100 #endif /* !CONFIG_USER_ONLY */ 101 102 static void cpu_sparc_disas_set_info(CPUState *cpu, disassemble_info *info) 103 { 104 info->print_insn = print_insn_sparc; 105 #ifdef TARGET_SPARC64 106 info->mach = bfd_mach_sparc_v9b; 107 #endif 108 } 109 110 static void 111 cpu_add_feat_as_prop(const char *typename, const char *name, const char *val) 112 { 113 GlobalProperty *prop = g_new0(typeof(*prop), 1); 114 prop->driver = typename; 115 prop->property = g_strdup(name); 116 prop->value = g_strdup(val); 117 qdev_prop_register_global(prop); 118 } 119 120 /* Parse "+feature,-feature,feature=foo" CPU feature string */ 121 static void sparc_cpu_parse_features(const char *typename, char *features, 122 Error **errp) 123 { 124 GList *l, *plus_features = NULL, *minus_features = NULL; 125 char *featurestr; /* Single 'key=value" string being parsed */ 126 static bool cpu_globals_initialized; 127 128 if (cpu_globals_initialized) { 129 return; 130 } 131 cpu_globals_initialized = true; 132 133 if (!features) { 134 return; 135 } 136 137 for (featurestr = strtok(features, ","); 138 featurestr; 139 featurestr = strtok(NULL, ",")) { 140 const char *name; 141 const char *val = NULL; 142 char *eq = NULL; 143 144 /* Compatibility syntax: */ 145 if (featurestr[0] == '+') { 146 plus_features = g_list_append(plus_features, 147 g_strdup(featurestr + 1)); 148 continue; 149 } else if (featurestr[0] == '-') { 150 minus_features = g_list_append(minus_features, 151 g_strdup(featurestr + 1)); 152 continue; 153 } 154 155 eq = strchr(featurestr, '='); 156 name = featurestr; 157 if (eq) { 158 *eq++ = 0; 159 val = eq; 160 161 /* 162 * Temporarily, only +feat/-feat will be supported 163 * for boolean properties until we remove the 164 * minus-overrides-plus semantics and just follow 165 * the order options appear on the command-line. 166 * 167 * TODO: warn if user is relying on minus-override-plus semantics 168 * TODO: remove minus-override-plus semantics after 169 * warning for a few releases 170 */ 171 if (!strcasecmp(val, "on") || 172 !strcasecmp(val, "off") || 173 !strcasecmp(val, "true") || 174 !strcasecmp(val, "false")) { 175 error_setg(errp, "Boolean properties in format %s=%s" 176 " are not supported", name, val); 177 return; 178 } 179 } else { 180 error_setg(errp, "Unsupported property format: %s", name); 181 return; 182 } 183 cpu_add_feat_as_prop(typename, name, val); 184 } 185 186 for (l = plus_features; l; l = l->next) { 187 const char *name = l->data; 188 cpu_add_feat_as_prop(typename, name, "on"); 189 } 190 g_list_free_full(plus_features, g_free); 191 192 for (l = minus_features; l; l = l->next) { 193 const char *name = l->data; 194 cpu_add_feat_as_prop(typename, name, "off"); 195 } 196 g_list_free_full(minus_features, g_free); 197 } 198 199 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) 200 { 201 #if !defined(TARGET_SPARC64) 202 env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; 203 #endif 204 } 205 206 static const sparc_def_t sparc_defs[] = { 207 #ifdef TARGET_SPARC64 208 { 209 .name = "Fujitsu Sparc64", 210 .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), 211 .fpu_version = 0x00000000, 212 .mmu_version = mmu_us_12, 213 .nwindows = 4, 214 .maxtl = 4, 215 .features = CPU_DEFAULT_FEATURES, 216 }, 217 { 218 .name = "Fujitsu Sparc64 III", 219 .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), 220 .fpu_version = 0x00000000, 221 .mmu_version = mmu_us_12, 222 .nwindows = 5, 223 .maxtl = 4, 224 .features = CPU_DEFAULT_FEATURES, 225 }, 226 { 227 .name = "Fujitsu Sparc64 IV", 228 .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), 229 .fpu_version = 0x00000000, 230 .mmu_version = mmu_us_12, 231 .nwindows = 8, 232 .maxtl = 5, 233 .features = CPU_DEFAULT_FEATURES, 234 }, 235 { 236 .name = "Fujitsu Sparc64 V", 237 .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), 238 .fpu_version = 0x00000000, 239 .mmu_version = mmu_us_12, 240 .nwindows = 8, 241 .maxtl = 5, 242 .features = CPU_DEFAULT_FEATURES, 243 }, 244 { 245 .name = "TI UltraSparc I", 246 .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), 247 .fpu_version = 0x00000000, 248 .mmu_version = mmu_us_12, 249 .nwindows = 8, 250 .maxtl = 5, 251 .features = CPU_DEFAULT_FEATURES, 252 }, 253 { 254 .name = "TI UltraSparc II", 255 .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), 256 .fpu_version = 0x00000000, 257 .mmu_version = mmu_us_12, 258 .nwindows = 8, 259 .maxtl = 5, 260 .features = CPU_DEFAULT_FEATURES, 261 }, 262 { 263 .name = "TI UltraSparc IIi", 264 .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), 265 .fpu_version = 0x00000000, 266 .mmu_version = mmu_us_12, 267 .nwindows = 8, 268 .maxtl = 5, 269 .features = CPU_DEFAULT_FEATURES, 270 }, 271 { 272 .name = "TI UltraSparc IIe", 273 .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), 274 .fpu_version = 0x00000000, 275 .mmu_version = mmu_us_12, 276 .nwindows = 8, 277 .maxtl = 5, 278 .features = CPU_DEFAULT_FEATURES, 279 }, 280 { 281 .name = "Sun UltraSparc III", 282 .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), 283 .fpu_version = 0x00000000, 284 .mmu_version = mmu_us_12, 285 .nwindows = 8, 286 .maxtl = 5, 287 .features = CPU_DEFAULT_FEATURES, 288 }, 289 { 290 .name = "Sun UltraSparc III Cu", 291 .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), 292 .fpu_version = 0x00000000, 293 .mmu_version = mmu_us_3, 294 .nwindows = 8, 295 .maxtl = 5, 296 .features = CPU_DEFAULT_FEATURES, 297 }, 298 { 299 .name = "Sun UltraSparc IIIi", 300 .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), 301 .fpu_version = 0x00000000, 302 .mmu_version = mmu_us_12, 303 .nwindows = 8, 304 .maxtl = 5, 305 .features = CPU_DEFAULT_FEATURES, 306 }, 307 { 308 .name = "Sun UltraSparc IV", 309 .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), 310 .fpu_version = 0x00000000, 311 .mmu_version = mmu_us_4, 312 .nwindows = 8, 313 .maxtl = 5, 314 .features = CPU_DEFAULT_FEATURES, 315 }, 316 { 317 .name = "Sun UltraSparc IV+", 318 .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), 319 .fpu_version = 0x00000000, 320 .mmu_version = mmu_us_12, 321 .nwindows = 8, 322 .maxtl = 5, 323 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, 324 }, 325 { 326 .name = "Sun UltraSparc IIIi+", 327 .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), 328 .fpu_version = 0x00000000, 329 .mmu_version = mmu_us_3, 330 .nwindows = 8, 331 .maxtl = 5, 332 .features = CPU_DEFAULT_FEATURES, 333 }, 334 { 335 .name = "Sun UltraSparc T1", 336 /* defined in sparc_ifu_fdp.v and ctu.h */ 337 .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), 338 .fpu_version = 0x00000000, 339 .mmu_version = mmu_sun4v, 340 .nwindows = 8, 341 .maxtl = 6, 342 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT 343 | CPU_FEATURE_GL, 344 }, 345 { 346 .name = "Sun UltraSparc T2", 347 /* defined in tlu_asi_ctl.v and n2_revid_cust.v */ 348 .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), 349 .fpu_version = 0x00000000, 350 .mmu_version = mmu_sun4v, 351 .nwindows = 8, 352 .maxtl = 6, 353 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT 354 | CPU_FEATURE_GL, 355 }, 356 { 357 .name = "NEC UltraSparc I", 358 .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), 359 .fpu_version = 0x00000000, 360 .mmu_version = mmu_us_12, 361 .nwindows = 8, 362 .maxtl = 5, 363 .features = CPU_DEFAULT_FEATURES, 364 }, 365 #else 366 { 367 .name = "Fujitsu MB86904", 368 .iu_version = 0x04 << 24, /* Impl 0, ver 4 */ 369 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ 370 .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ 371 .mmu_bm = 0x00004000, 372 .mmu_ctpr_mask = 0x00ffffc0, 373 .mmu_cxr_mask = 0x000000ff, 374 .mmu_sfsr_mask = 0x00016fff, 375 .mmu_trcr_mask = 0x00ffffff, 376 .nwindows = 8, 377 .features = CPU_DEFAULT_FEATURES, 378 }, 379 { 380 .name = "Fujitsu MB86907", 381 .iu_version = 0x05 << 24, /* Impl 0, ver 5 */ 382 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ 383 .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ 384 .mmu_bm = 0x00004000, 385 .mmu_ctpr_mask = 0xffffffc0, 386 .mmu_cxr_mask = 0x000000ff, 387 .mmu_sfsr_mask = 0x00016fff, 388 .mmu_trcr_mask = 0xffffffff, 389 .nwindows = 8, 390 .features = CPU_DEFAULT_FEATURES, 391 }, 392 { 393 .name = "TI MicroSparc I", 394 .iu_version = 0x41000000, 395 .fpu_version = 4 << 17, 396 .mmu_version = 0x41000000, 397 .mmu_bm = 0x00004000, 398 .mmu_ctpr_mask = 0x007ffff0, 399 .mmu_cxr_mask = 0x0000003f, 400 .mmu_sfsr_mask = 0x00016fff, 401 .mmu_trcr_mask = 0x0000003f, 402 .nwindows = 7, 403 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL | 404 CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | 405 CPU_FEATURE_FMUL, 406 }, 407 { 408 .name = "TI MicroSparc II", 409 .iu_version = 0x42000000, 410 .fpu_version = 4 << 17, 411 .mmu_version = 0x02000000, 412 .mmu_bm = 0x00004000, 413 .mmu_ctpr_mask = 0x00ffffc0, 414 .mmu_cxr_mask = 0x000000ff, 415 .mmu_sfsr_mask = 0x00016fff, 416 .mmu_trcr_mask = 0x00ffffff, 417 .nwindows = 8, 418 .features = CPU_DEFAULT_FEATURES, 419 }, 420 { 421 .name = "TI MicroSparc IIep", 422 .iu_version = 0x42000000, 423 .fpu_version = 4 << 17, 424 .mmu_version = 0x04000000, 425 .mmu_bm = 0x00004000, 426 .mmu_ctpr_mask = 0x00ffffc0, 427 .mmu_cxr_mask = 0x000000ff, 428 .mmu_sfsr_mask = 0x00016bff, 429 .mmu_trcr_mask = 0x00ffffff, 430 .nwindows = 8, 431 .features = CPU_DEFAULT_FEATURES, 432 }, 433 { 434 .name = "TI SuperSparc 40", /* STP1020NPGA */ 435 .iu_version = 0x41000000, /* SuperSPARC 2.x */ 436 .fpu_version = 0 << 17, 437 .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */ 438 .mmu_bm = 0x00002000, 439 .mmu_ctpr_mask = 0xffffffc0, 440 .mmu_cxr_mask = 0x0000ffff, 441 .mmu_sfsr_mask = 0xffffffff, 442 .mmu_trcr_mask = 0xffffffff, 443 .nwindows = 8, 444 .features = CPU_DEFAULT_FEATURES, 445 }, 446 { 447 .name = "TI SuperSparc 50", /* STP1020PGA */ 448 .iu_version = 0x40000000, /* SuperSPARC 3.x */ 449 .fpu_version = 0 << 17, 450 .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */ 451 .mmu_bm = 0x00002000, 452 .mmu_ctpr_mask = 0xffffffc0, 453 .mmu_cxr_mask = 0x0000ffff, 454 .mmu_sfsr_mask = 0xffffffff, 455 .mmu_trcr_mask = 0xffffffff, 456 .nwindows = 8, 457 .features = CPU_DEFAULT_FEATURES, 458 }, 459 { 460 .name = "TI SuperSparc 51", 461 .iu_version = 0x40000000, /* SuperSPARC 3.x */ 462 .fpu_version = 0 << 17, 463 .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */ 464 .mmu_bm = 0x00002000, 465 .mmu_ctpr_mask = 0xffffffc0, 466 .mmu_cxr_mask = 0x0000ffff, 467 .mmu_sfsr_mask = 0xffffffff, 468 .mmu_trcr_mask = 0xffffffff, 469 .mxcc_version = 0x00000104, 470 .nwindows = 8, 471 .features = CPU_DEFAULT_FEATURES, 472 }, 473 { 474 .name = "TI SuperSparc 60", /* STP1020APGA */ 475 .iu_version = 0x40000000, /* SuperSPARC 3.x */ 476 .fpu_version = 0 << 17, 477 .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */ 478 .mmu_bm = 0x00002000, 479 .mmu_ctpr_mask = 0xffffffc0, 480 .mmu_cxr_mask = 0x0000ffff, 481 .mmu_sfsr_mask = 0xffffffff, 482 .mmu_trcr_mask = 0xffffffff, 483 .nwindows = 8, 484 .features = CPU_DEFAULT_FEATURES, 485 }, 486 { 487 .name = "TI SuperSparc 61", 488 .iu_version = 0x44000000, /* SuperSPARC 3.x */ 489 .fpu_version = 0 << 17, 490 .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */ 491 .mmu_bm = 0x00002000, 492 .mmu_ctpr_mask = 0xffffffc0, 493 .mmu_cxr_mask = 0x0000ffff, 494 .mmu_sfsr_mask = 0xffffffff, 495 .mmu_trcr_mask = 0xffffffff, 496 .mxcc_version = 0x00000104, 497 .nwindows = 8, 498 .features = CPU_DEFAULT_FEATURES, 499 }, 500 { 501 .name = "TI SuperSparc II", 502 .iu_version = 0x40000000, /* SuperSPARC II 1.x */ 503 .fpu_version = 0 << 17, 504 .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */ 505 .mmu_bm = 0x00002000, 506 .mmu_ctpr_mask = 0xffffffc0, 507 .mmu_cxr_mask = 0x0000ffff, 508 .mmu_sfsr_mask = 0xffffffff, 509 .mmu_trcr_mask = 0xffffffff, 510 .mxcc_version = 0x00000104, 511 .nwindows = 8, 512 .features = CPU_DEFAULT_FEATURES, 513 }, 514 { 515 .name = "LEON2", 516 .iu_version = 0xf2000000, 517 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ 518 .mmu_version = 0xf2000000, 519 .mmu_bm = 0x00004000, 520 .mmu_ctpr_mask = 0x007ffff0, 521 .mmu_cxr_mask = 0x0000003f, 522 .mmu_sfsr_mask = 0xffffffff, 523 .mmu_trcr_mask = 0xffffffff, 524 .nwindows = 8, 525 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN, 526 }, 527 { 528 .name = "LEON3", 529 .iu_version = 0xf3000000, 530 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ 531 .mmu_version = 0xf3000000, 532 .mmu_bm = 0x00000000, 533 .mmu_ctpr_mask = 0xfffffffc, 534 .mmu_cxr_mask = 0x000000ff, 535 .mmu_sfsr_mask = 0xffffffff, 536 .mmu_trcr_mask = 0xffffffff, 537 .nwindows = 8, 538 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN | 539 CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN | 540 CPU_FEATURE_CASA, 541 }, 542 #endif 543 }; 544 545 static const char * const feature_name[] = { 546 "float", 547 "float128", 548 "swap", 549 "mul", 550 "div", 551 "flush", 552 "fsqrt", 553 "fmul", 554 "vis1", 555 "vis2", 556 "fsmuld", 557 "hypv", 558 "cmt", 559 "gl", 560 }; 561 562 static void print_features(uint32_t features, const char *prefix) 563 { 564 unsigned int i; 565 566 for (i = 0; i < ARRAY_SIZE(feature_name); i++) { 567 if (feature_name[i] && (features & (1 << i))) { 568 if (prefix) { 569 qemu_printf("%s", prefix); 570 } 571 qemu_printf("%s ", feature_name[i]); 572 } 573 } 574 } 575 576 void sparc_cpu_list(void) 577 { 578 unsigned int i; 579 580 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { 581 qemu_printf("Sparc %16s IU " TARGET_FMT_lx 582 " FPU %08x MMU %08x NWINS %d ", 583 sparc_defs[i].name, 584 sparc_defs[i].iu_version, 585 sparc_defs[i].fpu_version, 586 sparc_defs[i].mmu_version, 587 sparc_defs[i].nwindows); 588 print_features(CPU_DEFAULT_FEATURES & ~sparc_defs[i].features, "-"); 589 print_features(~CPU_DEFAULT_FEATURES & sparc_defs[i].features, "+"); 590 qemu_printf("\n"); 591 } 592 qemu_printf("Default CPU feature flags (use '-' to remove): "); 593 print_features(CPU_DEFAULT_FEATURES, NULL); 594 qemu_printf("\n"); 595 qemu_printf("Available CPU feature flags (use '+' to add): "); 596 print_features(~CPU_DEFAULT_FEATURES, NULL); 597 qemu_printf("\n"); 598 qemu_printf("Numerical features (use '=' to set): iu_version " 599 "fpu_version mmu_version nwindows\n"); 600 } 601 602 static void cpu_print_cc(FILE *f, uint32_t cc) 603 { 604 qemu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-', 605 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-', 606 cc & PSR_CARRY ? 'C' : '-'); 607 } 608 609 #ifdef TARGET_SPARC64 610 #define REGS_PER_LINE 4 611 #else 612 #define REGS_PER_LINE 8 613 #endif 614 615 static void sparc_cpu_dump_state(CPUState *cs, FILE *f, int flags) 616 { 617 SPARCCPU *cpu = SPARC_CPU(cs); 618 CPUSPARCState *env = &cpu->env; 619 int i, x; 620 621 qemu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, 622 env->npc); 623 624 for (i = 0; i < 8; i++) { 625 if (i % REGS_PER_LINE == 0) { 626 qemu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1); 627 } 628 qemu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]); 629 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { 630 qemu_fprintf(f, "\n"); 631 } 632 } 633 for (x = 0; x < 3; x++) { 634 for (i = 0; i < 8; i++) { 635 if (i % REGS_PER_LINE == 0) { 636 qemu_fprintf(f, "%%%c%d-%d: ", 637 x == 0 ? 'o' : (x == 1 ? 'l' : 'i'), 638 i, i + REGS_PER_LINE - 1); 639 } 640 qemu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]); 641 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { 642 qemu_fprintf(f, "\n"); 643 } 644 } 645 } 646 647 if (flags & CPU_DUMP_FPU) { 648 for (i = 0; i < TARGET_DPREGS; i++) { 649 if ((i & 3) == 0) { 650 qemu_fprintf(f, "%%f%02d: ", i * 2); 651 } 652 qemu_fprintf(f, " %016" PRIx64, env->fpr[i].ll); 653 if ((i & 3) == 3) { 654 qemu_fprintf(f, "\n"); 655 } 656 } 657 } 658 659 #ifdef TARGET_SPARC64 660 qemu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate, 661 (unsigned)cpu_get_ccr(env)); 662 cpu_print_cc(f, cpu_get_ccr(env) << PSR_CARRY_SHIFT); 663 qemu_fprintf(f, " xcc: "); 664 cpu_print_cc(f, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4)); 665 qemu_fprintf(f, ") asi: %02x tl: %d pil: %x gl: %d\n", env->asi, env->tl, 666 env->psrpil, env->gl); 667 qemu_fprintf(f, "tbr: " TARGET_FMT_lx " hpstate: " TARGET_FMT_lx " htba: " 668 TARGET_FMT_lx "\n", env->tbr, env->hpstate, env->htba); 669 qemu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d " 670 "cleanwin: %d cwp: %d\n", 671 env->cansave, env->canrestore, env->otherwin, env->wstate, 672 env->cleanwin, env->nwindows - 1 - env->cwp); 673 qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: " 674 TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs); 675 676 #else 677 qemu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env)); 678 cpu_print_cc(f, cpu_get_psr(env)); 679 qemu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-', 680 env->psrps ? 'P' : '-', env->psret ? 'E' : '-', 681 env->wim); 682 qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", 683 env->fsr, env->y); 684 #endif 685 qemu_fprintf(f, "\n"); 686 } 687 688 static void sparc_cpu_set_pc(CPUState *cs, vaddr value) 689 { 690 SPARCCPU *cpu = SPARC_CPU(cs); 691 692 cpu->env.pc = value; 693 cpu->env.npc = value + 4; 694 } 695 696 static vaddr sparc_cpu_get_pc(CPUState *cs) 697 { 698 SPARCCPU *cpu = SPARC_CPU(cs); 699 700 return cpu->env.pc; 701 } 702 703 static void sparc_cpu_synchronize_from_tb(CPUState *cs, 704 const TranslationBlock *tb) 705 { 706 SPARCCPU *cpu = SPARC_CPU(cs); 707 708 cpu->env.pc = tb_pc(tb); 709 cpu->env.npc = tb->cs_base; 710 } 711 712 static bool sparc_cpu_has_work(CPUState *cs) 713 { 714 SPARCCPU *cpu = SPARC_CPU(cs); 715 CPUSPARCState *env = &cpu->env; 716 717 return (cs->interrupt_request & CPU_INTERRUPT_HARD) && 718 cpu_interrupts_enabled(env); 719 } 720 721 static char *sparc_cpu_type_name(const char *cpu_model) 722 { 723 char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model); 724 char *s = name; 725 726 /* SPARC cpu model names happen to have whitespaces, 727 * as type names shouldn't have spaces replace them with '-' 728 */ 729 while ((s = strchr(s, ' '))) { 730 *s = '-'; 731 } 732 733 return name; 734 } 735 736 static ObjectClass *sparc_cpu_class_by_name(const char *cpu_model) 737 { 738 ObjectClass *oc; 739 char *typename; 740 741 typename = sparc_cpu_type_name(cpu_model); 742 oc = object_class_by_name(typename); 743 g_free(typename); 744 return oc; 745 } 746 747 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp) 748 { 749 CPUState *cs = CPU(dev); 750 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev); 751 Error *local_err = NULL; 752 SPARCCPU *cpu = SPARC_CPU(dev); 753 CPUSPARCState *env = &cpu->env; 754 755 #if defined(CONFIG_USER_ONLY) 756 if ((env->def.features & CPU_FEATURE_FLOAT)) { 757 env->def.features |= CPU_FEATURE_FLOAT128; 758 } 759 #endif 760 761 env->version = env->def.iu_version; 762 env->fsr = env->def.fpu_version; 763 env->nwindows = env->def.nwindows; 764 #if !defined(TARGET_SPARC64) 765 env->mmuregs[0] |= env->def.mmu_version; 766 cpu_sparc_set_id(env, 0); 767 env->mxccregs[7] |= env->def.mxcc_version; 768 #else 769 env->mmu_version = env->def.mmu_version; 770 env->maxtl = env->def.maxtl; 771 env->version |= env->def.maxtl << 8; 772 env->version |= env->def.nwindows - 1; 773 #endif 774 775 cpu_exec_realizefn(cs, &local_err); 776 if (local_err != NULL) { 777 error_propagate(errp, local_err); 778 return; 779 } 780 781 qemu_init_vcpu(cs); 782 783 scc->parent_realize(dev, errp); 784 } 785 786 static void sparc_cpu_initfn(Object *obj) 787 { 788 SPARCCPU *cpu = SPARC_CPU(obj); 789 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(obj); 790 CPUSPARCState *env = &cpu->env; 791 792 cpu_set_cpustate_pointers(cpu); 793 794 if (scc->cpu_def) { 795 env->def = *scc->cpu_def; 796 } 797 } 798 799 static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name, 800 void *opaque, Error **errp) 801 { 802 SPARCCPU *cpu = SPARC_CPU(obj); 803 int64_t value = cpu->env.def.nwindows; 804 805 visit_type_int(v, name, &value, errp); 806 } 807 808 static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name, 809 void *opaque, Error **errp) 810 { 811 const int64_t min = MIN_NWINDOWS; 812 const int64_t max = MAX_NWINDOWS; 813 SPARCCPU *cpu = SPARC_CPU(obj); 814 int64_t value; 815 816 if (!visit_type_int(v, name, &value, errp)) { 817 return; 818 } 819 820 if (value < min || value > max) { 821 error_setg(errp, "Property %s.%s doesn't take value %" PRId64 822 " (minimum: %" PRId64 ", maximum: %" PRId64 ")", 823 object_get_typename(obj), name ? name : "null", 824 value, min, max); 825 return; 826 } 827 cpu->env.def.nwindows = value; 828 } 829 830 static PropertyInfo qdev_prop_nwindows = { 831 .name = "int", 832 .get = sparc_get_nwindows, 833 .set = sparc_set_nwindows, 834 }; 835 836 static Property sparc_cpu_properties[] = { 837 DEFINE_PROP_BIT("float", SPARCCPU, env.def.features, 0, false), 838 DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features, 1, false), 839 DEFINE_PROP_BIT("swap", SPARCCPU, env.def.features, 2, false), 840 DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features, 3, false), 841 DEFINE_PROP_BIT("div", SPARCCPU, env.def.features, 4, false), 842 DEFINE_PROP_BIT("flush", SPARCCPU, env.def.features, 5, false), 843 DEFINE_PROP_BIT("fsqrt", SPARCCPU, env.def.features, 6, false), 844 DEFINE_PROP_BIT("fmul", SPARCCPU, env.def.features, 7, false), 845 DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features, 8, false), 846 DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features, 9, false), 847 DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features, 10, false), 848 DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features, 11, false), 849 DEFINE_PROP_BIT("cmt", SPARCCPU, env.def.features, 12, false), 850 DEFINE_PROP_BIT("gl", SPARCCPU, env.def.features, 13, false), 851 DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0, 852 qdev_prop_uint64, target_ulong), 853 DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0), 854 DEFINE_PROP_UINT32("mmu-version", SPARCCPU, env.def.mmu_version, 0), 855 DEFINE_PROP("nwindows", SPARCCPU, env.def.nwindows, 856 qdev_prop_nwindows, uint32_t), 857 DEFINE_PROP_END_OF_LIST() 858 }; 859 860 #ifndef CONFIG_USER_ONLY 861 #include "hw/core/sysemu-cpu-ops.h" 862 863 static const struct SysemuCPUOps sparc_sysemu_ops = { 864 .get_phys_page_debug = sparc_cpu_get_phys_page_debug, 865 .legacy_vmsd = &vmstate_sparc_cpu, 866 }; 867 #endif 868 869 #ifdef CONFIG_TCG 870 #include "hw/core/tcg-cpu-ops.h" 871 872 static const struct TCGCPUOps sparc_tcg_ops = { 873 .initialize = sparc_tcg_init, 874 .synchronize_from_tb = sparc_cpu_synchronize_from_tb, 875 .restore_state_to_opc = sparc_restore_state_to_opc, 876 877 #ifndef CONFIG_USER_ONLY 878 .tlb_fill = sparc_cpu_tlb_fill, 879 .cpu_exec_interrupt = sparc_cpu_exec_interrupt, 880 .do_interrupt = sparc_cpu_do_interrupt, 881 .do_transaction_failed = sparc_cpu_do_transaction_failed, 882 .do_unaligned_access = sparc_cpu_do_unaligned_access, 883 #endif /* !CONFIG_USER_ONLY */ 884 }; 885 #endif /* CONFIG_TCG */ 886 887 static void sparc_cpu_class_init(ObjectClass *oc, void *data) 888 { 889 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); 890 CPUClass *cc = CPU_CLASS(oc); 891 DeviceClass *dc = DEVICE_CLASS(oc); 892 893 device_class_set_parent_realize(dc, sparc_cpu_realizefn, 894 &scc->parent_realize); 895 device_class_set_props(dc, sparc_cpu_properties); 896 897 device_class_set_parent_reset(dc, sparc_cpu_reset, &scc->parent_reset); 898 899 cc->class_by_name = sparc_cpu_class_by_name; 900 cc->parse_features = sparc_cpu_parse_features; 901 cc->has_work = sparc_cpu_has_work; 902 cc->dump_state = sparc_cpu_dump_state; 903 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) 904 cc->memory_rw_debug = sparc_cpu_memory_rw_debug; 905 #endif 906 cc->set_pc = sparc_cpu_set_pc; 907 cc->get_pc = sparc_cpu_get_pc; 908 cc->gdb_read_register = sparc_cpu_gdb_read_register; 909 cc->gdb_write_register = sparc_cpu_gdb_write_register; 910 #ifndef CONFIG_USER_ONLY 911 cc->sysemu_ops = &sparc_sysemu_ops; 912 #endif 913 cc->disas_set_info = cpu_sparc_disas_set_info; 914 915 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 916 cc->gdb_num_core_regs = 86; 917 #else 918 cc->gdb_num_core_regs = 72; 919 #endif 920 cc->tcg_ops = &sparc_tcg_ops; 921 } 922 923 static const TypeInfo sparc_cpu_type_info = { 924 .name = TYPE_SPARC_CPU, 925 .parent = TYPE_CPU, 926 .instance_size = sizeof(SPARCCPU), 927 .instance_init = sparc_cpu_initfn, 928 .abstract = true, 929 .class_size = sizeof(SPARCCPUClass), 930 .class_init = sparc_cpu_class_init, 931 }; 932 933 static void sparc_cpu_cpudef_class_init(ObjectClass *oc, void *data) 934 { 935 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); 936 scc->cpu_def = data; 937 } 938 939 static void sparc_register_cpudef_type(const struct sparc_def_t *def) 940 { 941 char *typename = sparc_cpu_type_name(def->name); 942 TypeInfo ti = { 943 .name = typename, 944 .parent = TYPE_SPARC_CPU, 945 .class_init = sparc_cpu_cpudef_class_init, 946 .class_data = (void *)def, 947 }; 948 949 type_register(&ti); 950 g_free(typename); 951 } 952 953 static void sparc_cpu_register_types(void) 954 { 955 int i; 956 957 type_register_static(&sparc_cpu_type_info); 958 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { 959 sparc_register_cpudef_type(&sparc_defs[i]); 960 } 961 } 962 963 type_init(sparc_cpu_register_types)