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