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