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 #include "tcg/tcg.h" 29 30 //#define DEBUG_FEATURES 31 32 static void sparc_cpu_reset_hold(Object *obj) 33 { 34 CPUState *s = CPU(obj); 35 SPARCCPU *cpu = SPARC_CPU(s); 36 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu); 37 CPUSPARCState *env = &cpu->env; 38 39 if (scc->parent_phases.hold) { 40 scc->parent_phases.hold(obj); 41 } 42 43 memset(env, 0, offsetof(CPUSPARCState, end_reset_fields)); 44 env->cwp = 0; 45 #ifndef TARGET_SPARC64 46 env->wim = 1; 47 #endif 48 env->regwptr = env->regbase + (env->cwp * 16); 49 #if defined(CONFIG_USER_ONLY) 50 #ifdef TARGET_SPARC64 51 env->cleanwin = env->nwindows - 2; 52 env->cansave = env->nwindows - 2; 53 env->pstate = PS_RMO | PS_PEF | PS_IE; 54 env->asi = 0x82; /* Primary no-fault */ 55 #endif 56 #else 57 #if !defined(TARGET_SPARC64) 58 env->psret = 0; 59 env->psrs = 1; 60 env->psrps = 1; 61 #endif 62 #ifdef TARGET_SPARC64 63 env->pstate = PS_PRIV | PS_RED | PS_PEF; 64 if (!cpu_has_hypervisor(env)) { 65 env->pstate |= PS_AG; 66 } 67 env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0; 68 env->tl = env->maxtl; 69 env->gl = 2; 70 cpu_tsptr(env)->tt = TT_POWER_ON_RESET; 71 env->lsu = 0; 72 #else 73 env->mmuregs[0] &= ~(MMU_E | MMU_NF); 74 env->mmuregs[0] |= env->def.mmu_bm; 75 #endif 76 env->pc = 0; 77 env->npc = env->pc + 4; 78 #endif 79 env->cache_control = 0; 80 } 81 82 #ifndef CONFIG_USER_ONLY 83 static bool sparc_cpu_exec_interrupt(CPUState *cs, int interrupt_request) 84 { 85 if (interrupt_request & CPU_INTERRUPT_HARD) { 86 SPARCCPU *cpu = SPARC_CPU(cs); 87 CPUSPARCState *env = &cpu->env; 88 89 if (cpu_interrupts_enabled(env) && env->interrupt_index > 0) { 90 int pil = env->interrupt_index & 0xf; 91 int type = env->interrupt_index & 0xf0; 92 93 if (type != TT_EXTINT || cpu_pil_allowed(env, pil)) { 94 cs->exception_index = env->interrupt_index; 95 sparc_cpu_do_interrupt(cs); 96 return true; 97 } 98 } 99 } 100 return false; 101 } 102 #endif /* !CONFIG_USER_ONLY */ 103 104 static void cpu_sparc_disas_set_info(CPUState *cpu, disassemble_info *info) 105 { 106 info->print_insn = print_insn_sparc; 107 #ifdef TARGET_SPARC64 108 info->mach = bfd_mach_sparc_v9b; 109 #endif 110 } 111 112 static void 113 cpu_add_feat_as_prop(const char *typename, const char *name, const char *val) 114 { 115 GlobalProperty *prop = g_new0(typeof(*prop), 1); 116 prop->driver = typename; 117 prop->property = g_strdup(name); 118 prop->value = g_strdup(val); 119 qdev_prop_register_global(prop); 120 } 121 122 /* Parse "+feature,-feature,feature=foo" CPU feature string */ 123 static void sparc_cpu_parse_features(const char *typename, char *features, 124 Error **errp) 125 { 126 GList *l, *plus_features = NULL, *minus_features = NULL; 127 char *featurestr; /* Single 'key=value" string being parsed */ 128 static bool cpu_globals_initialized; 129 130 if (cpu_globals_initialized) { 131 return; 132 } 133 cpu_globals_initialized = true; 134 135 if (!features) { 136 return; 137 } 138 139 for (featurestr = strtok(features, ","); 140 featurestr; 141 featurestr = strtok(NULL, ",")) { 142 const char *name; 143 const char *val = NULL; 144 char *eq = NULL; 145 146 /* Compatibility syntax: */ 147 if (featurestr[0] == '+') { 148 plus_features = g_list_append(plus_features, 149 g_strdup(featurestr + 1)); 150 continue; 151 } else if (featurestr[0] == '-') { 152 minus_features = g_list_append(minus_features, 153 g_strdup(featurestr + 1)); 154 continue; 155 } 156 157 eq = strchr(featurestr, '='); 158 name = featurestr; 159 if (eq) { 160 *eq++ = 0; 161 val = eq; 162 163 /* 164 * Temporarily, only +feat/-feat will be supported 165 * for boolean properties until we remove the 166 * minus-overrides-plus semantics and just follow 167 * the order options appear on the command-line. 168 * 169 * TODO: warn if user is relying on minus-override-plus semantics 170 * TODO: remove minus-override-plus semantics after 171 * warning for a few releases 172 */ 173 if (!strcasecmp(val, "on") || 174 !strcasecmp(val, "off") || 175 !strcasecmp(val, "true") || 176 !strcasecmp(val, "false")) { 177 error_setg(errp, "Boolean properties in format %s=%s" 178 " are not supported", name, val); 179 return; 180 } 181 } else { 182 error_setg(errp, "Unsupported property format: %s", name); 183 return; 184 } 185 cpu_add_feat_as_prop(typename, name, val); 186 } 187 188 for (l = plus_features; l; l = l->next) { 189 const char *name = l->data; 190 cpu_add_feat_as_prop(typename, name, "on"); 191 } 192 g_list_free_full(plus_features, g_free); 193 194 for (l = minus_features; l; l = l->next) { 195 const char *name = l->data; 196 cpu_add_feat_as_prop(typename, name, "off"); 197 } 198 g_list_free_full(minus_features, g_free); 199 } 200 201 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) 202 { 203 #if !defined(TARGET_SPARC64) 204 env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; 205 #endif 206 } 207 208 static const sparc_def_t sparc_defs[] = { 209 #ifdef TARGET_SPARC64 210 { 211 .name = "Fujitsu Sparc64", 212 .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), 213 .fpu_version = 0x00000000, 214 .mmu_version = mmu_us_12, 215 .nwindows = 4, 216 .maxtl = 4, 217 .features = CPU_DEFAULT_FEATURES, 218 }, 219 { 220 .name = "Fujitsu Sparc64 III", 221 .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), 222 .fpu_version = 0x00000000, 223 .mmu_version = mmu_us_12, 224 .nwindows = 5, 225 .maxtl = 4, 226 .features = CPU_DEFAULT_FEATURES, 227 }, 228 { 229 .name = "Fujitsu Sparc64 IV", 230 .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), 231 .fpu_version = 0x00000000, 232 .mmu_version = mmu_us_12, 233 .nwindows = 8, 234 .maxtl = 5, 235 .features = CPU_DEFAULT_FEATURES, 236 }, 237 { 238 .name = "Fujitsu Sparc64 V", 239 .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), 240 .fpu_version = 0x00000000, 241 .mmu_version = mmu_us_12, 242 .nwindows = 8, 243 .maxtl = 5, 244 .features = CPU_DEFAULT_FEATURES, 245 }, 246 { 247 .name = "TI UltraSparc I", 248 .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), 249 .fpu_version = 0x00000000, 250 .mmu_version = mmu_us_12, 251 .nwindows = 8, 252 .maxtl = 5, 253 .features = CPU_DEFAULT_FEATURES, 254 }, 255 { 256 .name = "TI UltraSparc II", 257 .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), 258 .fpu_version = 0x00000000, 259 .mmu_version = mmu_us_12, 260 .nwindows = 8, 261 .maxtl = 5, 262 .features = CPU_DEFAULT_FEATURES, 263 }, 264 { 265 .name = "TI UltraSparc IIi", 266 .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), 267 .fpu_version = 0x00000000, 268 .mmu_version = mmu_us_12, 269 .nwindows = 8, 270 .maxtl = 5, 271 .features = CPU_DEFAULT_FEATURES, 272 }, 273 { 274 .name = "TI UltraSparc IIe", 275 .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), 276 .fpu_version = 0x00000000, 277 .mmu_version = mmu_us_12, 278 .nwindows = 8, 279 .maxtl = 5, 280 .features = CPU_DEFAULT_FEATURES, 281 }, 282 { 283 .name = "Sun UltraSparc III", 284 .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), 285 .fpu_version = 0x00000000, 286 .mmu_version = mmu_us_12, 287 .nwindows = 8, 288 .maxtl = 5, 289 .features = CPU_DEFAULT_FEATURES, 290 }, 291 { 292 .name = "Sun UltraSparc III Cu", 293 .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), 294 .fpu_version = 0x00000000, 295 .mmu_version = mmu_us_3, 296 .nwindows = 8, 297 .maxtl = 5, 298 .features = CPU_DEFAULT_FEATURES, 299 }, 300 { 301 .name = "Sun UltraSparc IIIi", 302 .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), 303 .fpu_version = 0x00000000, 304 .mmu_version = mmu_us_12, 305 .nwindows = 8, 306 .maxtl = 5, 307 .features = CPU_DEFAULT_FEATURES, 308 }, 309 { 310 .name = "Sun UltraSparc IV", 311 .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), 312 .fpu_version = 0x00000000, 313 .mmu_version = mmu_us_4, 314 .nwindows = 8, 315 .maxtl = 5, 316 .features = CPU_DEFAULT_FEATURES, 317 }, 318 { 319 .name = "Sun UltraSparc IV+", 320 .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), 321 .fpu_version = 0x00000000, 322 .mmu_version = mmu_us_12, 323 .nwindows = 8, 324 .maxtl = 5, 325 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, 326 }, 327 { 328 .name = "Sun UltraSparc IIIi+", 329 .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), 330 .fpu_version = 0x00000000, 331 .mmu_version = mmu_us_3, 332 .nwindows = 8, 333 .maxtl = 5, 334 .features = CPU_DEFAULT_FEATURES, 335 }, 336 { 337 .name = "Sun UltraSparc T1", 338 /* defined in sparc_ifu_fdp.v and ctu.h */ 339 .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), 340 .fpu_version = 0x00000000, 341 .mmu_version = mmu_sun4v, 342 .nwindows = 8, 343 .maxtl = 6, 344 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT 345 | CPU_FEATURE_GL, 346 }, 347 { 348 .name = "Sun UltraSparc T2", 349 /* defined in tlu_asi_ctl.v and n2_revid_cust.v */ 350 .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), 351 .fpu_version = 0x00000000, 352 .mmu_version = mmu_sun4v, 353 .nwindows = 8, 354 .maxtl = 6, 355 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT 356 | CPU_FEATURE_GL, 357 }, 358 { 359 .name = "NEC UltraSparc I", 360 .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), 361 .fpu_version = 0x00000000, 362 .mmu_version = mmu_us_12, 363 .nwindows = 8, 364 .maxtl = 5, 365 .features = CPU_DEFAULT_FEATURES, 366 }, 367 #else 368 { 369 .name = "Fujitsu MB86904", 370 .iu_version = 0x04 << 24, /* Impl 0, ver 4 */ 371 .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ 372 .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ 373 .mmu_bm = 0x00004000, 374 .mmu_ctpr_mask = 0x00ffffc0, 375 .mmu_cxr_mask = 0x000000ff, 376 .mmu_sfsr_mask = 0x00016fff, 377 .mmu_trcr_mask = 0x00ffffff, 378 .nwindows = 8, 379 .features = CPU_DEFAULT_FEATURES, 380 }, 381 { 382 .name = "Fujitsu MB86907", 383 .iu_version = 0x05 << 24, /* Impl 0, ver 5 */ 384 .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ 385 .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ 386 .mmu_bm = 0x00004000, 387 .mmu_ctpr_mask = 0xffffffc0, 388 .mmu_cxr_mask = 0x000000ff, 389 .mmu_sfsr_mask = 0x00016fff, 390 .mmu_trcr_mask = 0xffffffff, 391 .nwindows = 8, 392 .features = CPU_DEFAULT_FEATURES, 393 }, 394 { 395 .name = "TI MicroSparc I", 396 .iu_version = 0x41000000, 397 .fpu_version = 4 << FSR_VER_SHIFT, 398 .mmu_version = 0x41000000, 399 .mmu_bm = 0x00004000, 400 .mmu_ctpr_mask = 0x007ffff0, 401 .mmu_cxr_mask = 0x0000003f, 402 .mmu_sfsr_mask = 0x00016fff, 403 .mmu_trcr_mask = 0x0000003f, 404 .nwindows = 7, 405 .features = CPU_FEATURE_MUL | CPU_FEATURE_DIV, 406 }, 407 { 408 .name = "TI MicroSparc II", 409 .iu_version = 0x42000000, 410 .fpu_version = 4 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, /* 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 << FSR_VER_SHIFT, /* 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 /* This must match sparc_cpu_properties[]. */ 546 static const char * const feature_name[] = { 547 [CPU_FEATURE_BIT_FLOAT128] = "float128", 548 #ifdef TARGET_SPARC64 549 [CPU_FEATURE_BIT_CMT] = "cmt", 550 [CPU_FEATURE_BIT_GL] = "gl", 551 [CPU_FEATURE_BIT_HYPV] = "hypv", 552 [CPU_FEATURE_BIT_VIS1] = "vis1", 553 [CPU_FEATURE_BIT_VIS2] = "vis2", 554 #else 555 [CPU_FEATURE_BIT_MUL] = "mul", 556 [CPU_FEATURE_BIT_DIV] = "div", 557 [CPU_FEATURE_BIT_FSMULD] = "fsmuld", 558 #endif 559 }; 560 561 static void print_features(uint32_t features, const char *prefix) 562 { 563 unsigned int i; 564 565 for (i = 0; i < ARRAY_SIZE(feature_name); i++) { 566 if (feature_name[i] && (features & (1 << i))) { 567 if (prefix) { 568 qemu_printf("%s", prefix); 569 } 570 qemu_printf("%s ", feature_name[i]); 571 } 572 } 573 } 574 575 void sparc_cpu_list(void) 576 { 577 unsigned int i; 578 579 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { 580 qemu_printf("Sparc %16s IU " TARGET_FMT_lx 581 " FPU %08x MMU %08x NWINS %d ", 582 sparc_defs[i].name, 583 sparc_defs[i].iu_version, 584 sparc_defs[i].fpu_version, 585 sparc_defs[i].mmu_version, 586 sparc_defs[i].nwindows); 587 print_features(CPU_DEFAULT_FEATURES & ~sparc_defs[i].features, "-"); 588 print_features(~CPU_DEFAULT_FEATURES & sparc_defs[i].features, "+"); 589 qemu_printf("\n"); 590 } 591 qemu_printf("Default CPU feature flags (use '-' to remove): "); 592 print_features(CPU_DEFAULT_FEATURES, NULL); 593 qemu_printf("\n"); 594 qemu_printf("Available CPU feature flags (use '+' to add): "); 595 print_features(~CPU_DEFAULT_FEATURES, NULL); 596 qemu_printf("\n"); 597 qemu_printf("Numerical features (use '=' to set): iu_version " 598 "fpu_version mmu_version nwindows\n"); 599 } 600 601 static void cpu_print_cc(FILE *f, uint32_t cc) 602 { 603 qemu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-', 604 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-', 605 cc & PSR_CARRY ? 'C' : '-'); 606 } 607 608 #ifdef TARGET_SPARC64 609 #define REGS_PER_LINE 4 610 #else 611 #define REGS_PER_LINE 8 612 #endif 613 614 static void sparc_cpu_dump_state(CPUState *cs, FILE *f, int flags) 615 { 616 SPARCCPU *cpu = SPARC_CPU(cs); 617 CPUSPARCState *env = &cpu->env; 618 int i, x; 619 620 qemu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, 621 env->npc); 622 623 for (i = 0; i < 8; i++) { 624 if (i % REGS_PER_LINE == 0) { 625 qemu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1); 626 } 627 qemu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]); 628 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { 629 qemu_fprintf(f, "\n"); 630 } 631 } 632 for (x = 0; x < 3; x++) { 633 for (i = 0; i < 8; i++) { 634 if (i % REGS_PER_LINE == 0) { 635 qemu_fprintf(f, "%%%c%d-%d: ", 636 x == 0 ? 'o' : (x == 1 ? 'l' : 'i'), 637 i, i + REGS_PER_LINE - 1); 638 } 639 qemu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]); 640 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { 641 qemu_fprintf(f, "\n"); 642 } 643 } 644 } 645 646 if (flags & CPU_DUMP_FPU) { 647 for (i = 0; i < TARGET_DPREGS; i++) { 648 if ((i & 3) == 0) { 649 qemu_fprintf(f, "%%f%02d: ", i * 2); 650 } 651 qemu_fprintf(f, " %016" PRIx64, env->fpr[i].ll); 652 if ((i & 3) == 3) { 653 qemu_fprintf(f, "\n"); 654 } 655 } 656 } 657 658 #ifdef TARGET_SPARC64 659 qemu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate, 660 (unsigned)cpu_get_ccr(env)); 661 cpu_print_cc(f, cpu_get_ccr(env) << PSR_CARRY_SHIFT); 662 qemu_fprintf(f, " xcc: "); 663 cpu_print_cc(f, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4)); 664 qemu_fprintf(f, ") asi: %02x tl: %d pil: %x gl: %d\n", env->asi, env->tl, 665 env->psrpil, env->gl); 666 qemu_fprintf(f, "tbr: " TARGET_FMT_lx " hpstate: " TARGET_FMT_lx " htba: " 667 TARGET_FMT_lx "\n", env->tbr, env->hpstate, env->htba); 668 qemu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d " 669 "cleanwin: %d cwp: %d\n", 670 env->cansave, env->canrestore, env->otherwin, env->wstate, 671 env->cleanwin, env->nwindows - 1 - env->cwp); 672 qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: %016x\n", 673 cpu_get_fsr(env), env->y, env->fprs); 674 675 #else 676 qemu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env)); 677 cpu_print_cc(f, cpu_get_psr(env)); 678 qemu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-', 679 env->psrps ? 'P' : '-', env->psret ? 'E' : '-', 680 env->wim); 681 qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", 682 cpu_get_fsr(env), env->y); 683 #endif 684 qemu_fprintf(f, "\n"); 685 } 686 687 static void sparc_cpu_set_pc(CPUState *cs, vaddr value) 688 { 689 SPARCCPU *cpu = SPARC_CPU(cs); 690 691 cpu->env.pc = value; 692 cpu->env.npc = value + 4; 693 } 694 695 static vaddr sparc_cpu_get_pc(CPUState *cs) 696 { 697 SPARCCPU *cpu = SPARC_CPU(cs); 698 699 return cpu->env.pc; 700 } 701 702 static void sparc_cpu_synchronize_from_tb(CPUState *cs, 703 const TranslationBlock *tb) 704 { 705 SPARCCPU *cpu = SPARC_CPU(cs); 706 707 tcg_debug_assert(!(cs->tcg_cflags & CF_PCREL)); 708 cpu->env.pc = tb->pc; 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 int sparc_cpu_mmu_index(CPUState *cs, bool ifetch) 722 { 723 CPUSPARCState *env = cpu_env(cs); 724 725 #ifndef TARGET_SPARC64 726 if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ 727 return MMU_PHYS_IDX; 728 } else { 729 return env->psrs; 730 } 731 #else 732 /* IMMU or DMMU disabled. */ 733 if (ifetch 734 ? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0 735 : (env->lsu & DMMU_E) == 0) { 736 return MMU_PHYS_IDX; 737 } else if (cpu_hypervisor_mode(env)) { 738 return MMU_PHYS_IDX; 739 } else if (env->tl > 0) { 740 return MMU_NUCLEUS_IDX; 741 } else if (cpu_supervisor_mode(env)) { 742 return MMU_KERNEL_IDX; 743 } else { 744 return MMU_USER_IDX; 745 } 746 #endif 747 } 748 749 static char *sparc_cpu_type_name(const char *cpu_model) 750 { 751 char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model); 752 char *s = name; 753 754 /* SPARC cpu model names happen to have whitespaces, 755 * as type names shouldn't have spaces replace them with '-' 756 */ 757 while ((s = strchr(s, ' '))) { 758 *s = '-'; 759 } 760 761 return name; 762 } 763 764 static ObjectClass *sparc_cpu_class_by_name(const char *cpu_model) 765 { 766 ObjectClass *oc; 767 char *typename; 768 769 typename = sparc_cpu_type_name(cpu_model); 770 oc = object_class_by_name(typename); 771 g_free(typename); 772 return oc; 773 } 774 775 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp) 776 { 777 CPUState *cs = CPU(dev); 778 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev); 779 Error *local_err = NULL; 780 SPARCCPU *cpu = SPARC_CPU(dev); 781 CPUSPARCState *env = &cpu->env; 782 783 #if defined(CONFIG_USER_ONLY) 784 /* We are emulating the kernel, which will trap and emulate float128. */ 785 env->def.features |= CPU_FEATURE_FLOAT128; 786 #endif 787 788 env->version = env->def.iu_version; 789 env->nwindows = env->def.nwindows; 790 #if !defined(TARGET_SPARC64) 791 env->mmuregs[0] |= env->def.mmu_version; 792 cpu_sparc_set_id(env, 0); 793 env->mxccregs[7] |= env->def.mxcc_version; 794 #else 795 env->mmu_version = env->def.mmu_version; 796 env->maxtl = env->def.maxtl; 797 env->version |= env->def.maxtl << 8; 798 env->version |= env->def.nwindows - 1; 799 #endif 800 cpu_put_fsr(env, 0); 801 802 cpu_exec_realizefn(cs, &local_err); 803 if (local_err != NULL) { 804 error_propagate(errp, local_err); 805 return; 806 } 807 808 qemu_init_vcpu(cs); 809 810 scc->parent_realize(dev, errp); 811 } 812 813 static void sparc_cpu_initfn(Object *obj) 814 { 815 SPARCCPU *cpu = SPARC_CPU(obj); 816 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(obj); 817 CPUSPARCState *env = &cpu->env; 818 819 if (scc->cpu_def) { 820 env->def = *scc->cpu_def; 821 } 822 } 823 824 static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name, 825 void *opaque, Error **errp) 826 { 827 SPARCCPU *cpu = SPARC_CPU(obj); 828 int64_t value = cpu->env.def.nwindows; 829 830 visit_type_int(v, name, &value, errp); 831 } 832 833 static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name, 834 void *opaque, Error **errp) 835 { 836 const int64_t min = MIN_NWINDOWS; 837 const int64_t max = MAX_NWINDOWS; 838 SPARCCPU *cpu = SPARC_CPU(obj); 839 int64_t value; 840 841 if (!visit_type_int(v, name, &value, errp)) { 842 return; 843 } 844 845 if (value < min || value > max) { 846 error_setg(errp, "Property %s.%s doesn't take value %" PRId64 847 " (minimum: %" PRId64 ", maximum: %" PRId64 ")", 848 object_get_typename(obj), name ? name : "null", 849 value, min, max); 850 return; 851 } 852 cpu->env.def.nwindows = value; 853 } 854 855 static PropertyInfo qdev_prop_nwindows = { 856 .name = "int", 857 .get = sparc_get_nwindows, 858 .set = sparc_set_nwindows, 859 }; 860 861 /* This must match feature_name[]. */ 862 static Property sparc_cpu_properties[] = { 863 DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features, 864 CPU_FEATURE_BIT_FLOAT128, false), 865 #ifdef TARGET_SPARC64 866 DEFINE_PROP_BIT("cmt", SPARCCPU, env.def.features, 867 CPU_FEATURE_BIT_CMT, false), 868 DEFINE_PROP_BIT("gl", SPARCCPU, env.def.features, 869 CPU_FEATURE_BIT_GL, false), 870 DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features, 871 CPU_FEATURE_BIT_HYPV, false), 872 DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features, 873 CPU_FEATURE_BIT_VIS1, false), 874 DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features, 875 CPU_FEATURE_BIT_VIS2, false), 876 #else 877 DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features, 878 CPU_FEATURE_BIT_MUL, false), 879 DEFINE_PROP_BIT("div", SPARCCPU, env.def.features, 880 CPU_FEATURE_BIT_DIV, false), 881 DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features, 882 CPU_FEATURE_BIT_FSMULD, false), 883 #endif 884 DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0, 885 qdev_prop_uint64, target_ulong), 886 DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0), 887 DEFINE_PROP_UINT32("mmu-version", SPARCCPU, env.def.mmu_version, 0), 888 DEFINE_PROP("nwindows", SPARCCPU, env.def.nwindows, 889 qdev_prop_nwindows, uint32_t), 890 DEFINE_PROP_END_OF_LIST() 891 }; 892 893 #ifndef CONFIG_USER_ONLY 894 #include "hw/core/sysemu-cpu-ops.h" 895 896 static const struct SysemuCPUOps sparc_sysemu_ops = { 897 .get_phys_page_debug = sparc_cpu_get_phys_page_debug, 898 .legacy_vmsd = &vmstate_sparc_cpu, 899 }; 900 #endif 901 902 #ifdef CONFIG_TCG 903 #include "hw/core/tcg-cpu-ops.h" 904 905 static const TCGCPUOps sparc_tcg_ops = { 906 .initialize = sparc_tcg_init, 907 .synchronize_from_tb = sparc_cpu_synchronize_from_tb, 908 .restore_state_to_opc = sparc_restore_state_to_opc, 909 910 #ifndef CONFIG_USER_ONLY 911 .tlb_fill = sparc_cpu_tlb_fill, 912 .cpu_exec_interrupt = sparc_cpu_exec_interrupt, 913 .do_interrupt = sparc_cpu_do_interrupt, 914 .do_transaction_failed = sparc_cpu_do_transaction_failed, 915 .do_unaligned_access = sparc_cpu_do_unaligned_access, 916 #endif /* !CONFIG_USER_ONLY */ 917 }; 918 #endif /* CONFIG_TCG */ 919 920 static void sparc_cpu_class_init(ObjectClass *oc, void *data) 921 { 922 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); 923 CPUClass *cc = CPU_CLASS(oc); 924 DeviceClass *dc = DEVICE_CLASS(oc); 925 ResettableClass *rc = RESETTABLE_CLASS(oc); 926 927 device_class_set_parent_realize(dc, sparc_cpu_realizefn, 928 &scc->parent_realize); 929 device_class_set_props(dc, sparc_cpu_properties); 930 931 resettable_class_set_parent_phases(rc, NULL, sparc_cpu_reset_hold, NULL, 932 &scc->parent_phases); 933 934 cc->class_by_name = sparc_cpu_class_by_name; 935 cc->parse_features = sparc_cpu_parse_features; 936 cc->has_work = sparc_cpu_has_work; 937 cc->mmu_index = sparc_cpu_mmu_index; 938 cc->dump_state = sparc_cpu_dump_state; 939 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) 940 cc->memory_rw_debug = sparc_cpu_memory_rw_debug; 941 #endif 942 cc->set_pc = sparc_cpu_set_pc; 943 cc->get_pc = sparc_cpu_get_pc; 944 cc->gdb_read_register = sparc_cpu_gdb_read_register; 945 cc->gdb_write_register = sparc_cpu_gdb_write_register; 946 #ifndef CONFIG_USER_ONLY 947 cc->sysemu_ops = &sparc_sysemu_ops; 948 #endif 949 cc->disas_set_info = cpu_sparc_disas_set_info; 950 951 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 952 cc->gdb_num_core_regs = 86; 953 #else 954 cc->gdb_num_core_regs = 72; 955 #endif 956 cc->tcg_ops = &sparc_tcg_ops; 957 } 958 959 static const TypeInfo sparc_cpu_type_info = { 960 .name = TYPE_SPARC_CPU, 961 .parent = TYPE_CPU, 962 .instance_size = sizeof(SPARCCPU), 963 .instance_align = __alignof(SPARCCPU), 964 .instance_init = sparc_cpu_initfn, 965 .abstract = true, 966 .class_size = sizeof(SPARCCPUClass), 967 .class_init = sparc_cpu_class_init, 968 }; 969 970 static void sparc_cpu_cpudef_class_init(ObjectClass *oc, void *data) 971 { 972 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); 973 scc->cpu_def = data; 974 } 975 976 static void sparc_register_cpudef_type(const struct sparc_def_t *def) 977 { 978 char *typename = sparc_cpu_type_name(def->name); 979 TypeInfo ti = { 980 .name = typename, 981 .parent = TYPE_SPARC_CPU, 982 .class_init = sparc_cpu_cpudef_class_init, 983 .class_data = (void *)def, 984 }; 985 986 type_register(&ti); 987 g_free(typename); 988 } 989 990 static void sparc_cpu_register_types(void) 991 { 992 int i; 993 994 type_register_static(&sparc_cpu_type_info); 995 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { 996 sparc_register_cpudef_type(&sparc_defs[i]); 997 } 998 } 999 1000 type_init(sparc_cpu_register_types) 1001