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, ResetType type) 33 { 34 CPUState *cs = CPU(obj); 35 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(obj); 36 CPUSPARCState *env = cpu_env(cs); 37 38 if (scc->parent_phases.hold) { 39 scc->parent_phases.hold(obj, type); 40 } 41 42 memset(env, 0, offsetof(CPUSPARCState, end_reset_fields)); 43 env->cwp = 0; 44 #ifndef TARGET_SPARC64 45 env->wim = 1; 46 #endif 47 env->regwptr = env->regbase + (env->cwp * 16); 48 #if defined(CONFIG_USER_ONLY) 49 #ifdef TARGET_SPARC64 50 env->cleanwin = env->nwindows - 2; 51 env->cansave = env->nwindows - 2; 52 env->pstate = PS_RMO | PS_PEF | PS_IE; 53 env->asi = 0x82; /* Primary no-fault */ 54 #endif 55 #else 56 #if !defined(TARGET_SPARC64) 57 env->psret = 0; 58 env->psrs = 1; 59 env->psrps = 1; 60 #endif 61 #ifdef TARGET_SPARC64 62 env->pstate = PS_PRIV | PS_RED | PS_PEF; 63 if (!cpu_has_hypervisor(env)) { 64 env->pstate |= PS_AG; 65 } 66 env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0; 67 env->tl = env->maxtl; 68 env->gl = 2; 69 cpu_tsptr(env)->tt = TT_POWER_ON_RESET; 70 env->lsu = 0; 71 #else 72 env->mmuregs[0] &= ~(MMU_E | MMU_NF); 73 env->mmuregs[0] |= env->def.mmu_bm; 74 #endif 75 env->pc = 0; 76 env->npc = env->pc + 4; 77 #endif 78 env->cache_control = 0; 79 } 80 81 #ifndef CONFIG_USER_ONLY 82 static bool sparc_cpu_exec_interrupt(CPUState *cs, int interrupt_request) 83 { 84 if (interrupt_request & CPU_INTERRUPT_HARD) { 85 CPUSPARCState *env = cpu_env(cs); 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-plus", 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-plus", 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 << FSR_VER_SHIFT, /* 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 << FSR_VER_SHIFT, /* 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 << FSR_VER_SHIFT, 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_MUL | CPU_FEATURE_DIV, 404 }, 405 { 406 .name = "TI-MicroSparc-II", 407 .iu_version = 0x42000000, 408 .fpu_version = 4 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, 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 << FSR_VER_SHIFT, /* 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 << FSR_VER_SHIFT, /* 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 /* This must match sparc_cpu_properties[]. */ 544 static const char * const feature_name[] = { 545 [CPU_FEATURE_BIT_FLOAT128] = "float128", 546 #ifdef TARGET_SPARC64 547 [CPU_FEATURE_BIT_CMT] = "cmt", 548 [CPU_FEATURE_BIT_GL] = "gl", 549 [CPU_FEATURE_BIT_HYPV] = "hypv", 550 [CPU_FEATURE_BIT_VIS1] = "vis1", 551 [CPU_FEATURE_BIT_VIS2] = "vis2", 552 [CPU_FEATURE_BIT_FMAF] = "fmaf", 553 [CPU_FEATURE_BIT_VIS3] = "vis3", 554 [CPU_FEATURE_BIT_IMA] = "ima", 555 [CPU_FEATURE_BIT_VIS4] = "vis4", 556 #else 557 [CPU_FEATURE_BIT_MUL] = "mul", 558 [CPU_FEATURE_BIT_DIV] = "div", 559 [CPU_FEATURE_BIT_FSMULD] = "fsmuld", 560 #endif 561 }; 562 563 static void print_features(uint32_t features, const char *prefix) 564 { 565 unsigned int i; 566 567 for (i = 0; i < ARRAY_SIZE(feature_name); i++) { 568 if (feature_name[i] && (features & (1 << i))) { 569 if (prefix) { 570 qemu_printf("%s", prefix); 571 } 572 qemu_printf("%s ", feature_name[i]); 573 } 574 } 575 } 576 577 void sparc_cpu_list(void) 578 { 579 unsigned int i; 580 581 qemu_printf("Available CPU types:\n"); 582 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { 583 qemu_printf(" %-20s (IU " TARGET_FMT_lx 584 " FPU %08x MMU %08x NWINS %d) ", 585 sparc_defs[i].name, 586 sparc_defs[i].iu_version, 587 sparc_defs[i].fpu_version, 588 sparc_defs[i].mmu_version, 589 sparc_defs[i].nwindows); 590 print_features(CPU_DEFAULT_FEATURES & ~sparc_defs[i].features, "-"); 591 print_features(~CPU_DEFAULT_FEATURES & sparc_defs[i].features, "+"); 592 qemu_printf("\n"); 593 } 594 qemu_printf("Default CPU feature flags (use '-' to remove): "); 595 print_features(CPU_DEFAULT_FEATURES, NULL); 596 qemu_printf("\n"); 597 qemu_printf("Available CPU feature flags (use '+' to add): "); 598 print_features(~CPU_DEFAULT_FEATURES, NULL); 599 qemu_printf("\n"); 600 qemu_printf("Numerical features (use '=' to set): iu_version " 601 "fpu_version mmu_version nwindows\n"); 602 } 603 604 static void cpu_print_cc(FILE *f, uint32_t cc) 605 { 606 qemu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-', 607 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-', 608 cc & PSR_CARRY ? 'C' : '-'); 609 } 610 611 #ifdef TARGET_SPARC64 612 #define REGS_PER_LINE 4 613 #else 614 #define REGS_PER_LINE 8 615 #endif 616 617 static void sparc_cpu_dump_state(CPUState *cs, FILE *f, int flags) 618 { 619 CPUSPARCState *env = cpu_env(cs); 620 int i, x; 621 622 qemu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, 623 env->npc); 624 625 for (i = 0; i < 8; i++) { 626 if (i % REGS_PER_LINE == 0) { 627 qemu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1); 628 } 629 qemu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]); 630 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { 631 qemu_fprintf(f, "\n"); 632 } 633 } 634 for (x = 0; x < 3; x++) { 635 for (i = 0; i < 8; i++) { 636 if (i % REGS_PER_LINE == 0) { 637 qemu_fprintf(f, "%%%c%d-%d: ", 638 x == 0 ? 'o' : (x == 1 ? 'l' : 'i'), 639 i, i + REGS_PER_LINE - 1); 640 } 641 qemu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]); 642 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { 643 qemu_fprintf(f, "\n"); 644 } 645 } 646 } 647 648 if (flags & CPU_DUMP_FPU) { 649 for (i = 0; i < TARGET_DPREGS; i++) { 650 if ((i & 3) == 0) { 651 qemu_fprintf(f, "%%f%02d: ", i * 2); 652 } 653 qemu_fprintf(f, " %016" PRIx64, env->fpr[i].ll); 654 if ((i & 3) == 3) { 655 qemu_fprintf(f, "\n"); 656 } 657 } 658 } 659 660 #ifdef TARGET_SPARC64 661 qemu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate, 662 (unsigned)cpu_get_ccr(env)); 663 cpu_print_cc(f, cpu_get_ccr(env) << PSR_CARRY_SHIFT); 664 qemu_fprintf(f, " xcc: "); 665 cpu_print_cc(f, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4)); 666 qemu_fprintf(f, ") asi: %02x tl: %d pil: %x gl: %d\n", env->asi, env->tl, 667 env->psrpil, env->gl); 668 qemu_fprintf(f, "tbr: " TARGET_FMT_lx " hpstate: " TARGET_FMT_lx " htba: " 669 TARGET_FMT_lx "\n", env->tbr, env->hpstate, env->htba); 670 qemu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d " 671 "cleanwin: %d cwp: %d\n", 672 env->cansave, env->canrestore, env->otherwin, env->wstate, 673 env->cleanwin, env->nwindows - 1 - env->cwp); 674 qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: %016x\n", 675 cpu_get_fsr(env), env->y, env->fprs); 676 677 #else 678 qemu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env)); 679 cpu_print_cc(f, cpu_get_psr(env)); 680 qemu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-', 681 env->psrps ? 'P' : '-', env->psret ? 'E' : '-', 682 env->wim); 683 qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", 684 cpu_get_fsr(env), env->y); 685 #endif 686 qemu_fprintf(f, "\n"); 687 } 688 689 static void sparc_cpu_set_pc(CPUState *cs, vaddr value) 690 { 691 SPARCCPU *cpu = SPARC_CPU(cs); 692 693 cpu->env.pc = value; 694 cpu->env.npc = value + 4; 695 } 696 697 static vaddr sparc_cpu_get_pc(CPUState *cs) 698 { 699 SPARCCPU *cpu = SPARC_CPU(cs); 700 701 return cpu->env.pc; 702 } 703 704 static void sparc_cpu_synchronize_from_tb(CPUState *cs, 705 const TranslationBlock *tb) 706 { 707 SPARCCPU *cpu = SPARC_CPU(cs); 708 709 tcg_debug_assert(!tcg_cflags_has(cs, CF_PCREL)); 710 cpu->env.pc = tb->pc; 711 cpu->env.npc = tb->cs_base; 712 } 713 714 static bool sparc_cpu_has_work(CPUState *cs) 715 { 716 return (cs->interrupt_request & CPU_INTERRUPT_HARD) && 717 cpu_interrupts_enabled(cpu_env(cs)); 718 } 719 720 static int sparc_cpu_mmu_index(CPUState *cs, bool ifetch) 721 { 722 CPUSPARCState *env = cpu_env(cs); 723 724 #ifndef TARGET_SPARC64 725 if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ 726 return MMU_PHYS_IDX; 727 } else { 728 return env->psrs; 729 } 730 #else 731 /* IMMU or DMMU disabled. */ 732 if (ifetch 733 ? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0 734 : (env->lsu & DMMU_E) == 0) { 735 return MMU_PHYS_IDX; 736 } else if (cpu_hypervisor_mode(env)) { 737 return MMU_PHYS_IDX; 738 } else if (env->tl > 0) { 739 return MMU_NUCLEUS_IDX; 740 } else if (cpu_supervisor_mode(env)) { 741 return MMU_KERNEL_IDX; 742 } else { 743 return MMU_USER_IDX; 744 } 745 #endif 746 } 747 748 static char *sparc_cpu_type_name(const char *cpu_model) 749 { 750 char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model); 751 char *s = name; 752 753 /* SPARC cpu model names happen to have whitespaces, 754 * as type names shouldn't have spaces replace them with '-' 755 */ 756 while ((s = strchr(s, ' '))) { 757 *s = '-'; 758 } 759 760 return name; 761 } 762 763 static ObjectClass *sparc_cpu_class_by_name(const char *cpu_model) 764 { 765 ObjectClass *oc; 766 char *typename; 767 768 typename = sparc_cpu_type_name(cpu_model); 769 770 /* Fix up legacy names with '+' in it */ 771 if (g_str_equal(typename, SPARC_CPU_TYPE_NAME("Sun-UltraSparc-IV+"))) { 772 g_free(typename); 773 typename = g_strdup(SPARC_CPU_TYPE_NAME("Sun-UltraSparc-IV-plus")); 774 } else if (g_str_equal(typename, SPARC_CPU_TYPE_NAME("Sun-UltraSparc-IIIi+"))) { 775 g_free(typename); 776 typename = g_strdup(SPARC_CPU_TYPE_NAME("Sun-UltraSparc-IIIi-plus")); 777 } 778 779 oc = object_class_by_name(typename); 780 g_free(typename); 781 return oc; 782 } 783 784 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp) 785 { 786 CPUState *cs = CPU(dev); 787 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev); 788 Error *local_err = NULL; 789 CPUSPARCState *env = cpu_env(cs); 790 791 #if defined(CONFIG_USER_ONLY) 792 /* We are emulating the kernel, which will trap and emulate float128. */ 793 env->def.features |= CPU_FEATURE_FLOAT128; 794 #endif 795 796 env->version = env->def.iu_version; 797 env->nwindows = env->def.nwindows; 798 #if !defined(TARGET_SPARC64) 799 env->mmuregs[0] |= env->def.mmu_version; 800 cpu_sparc_set_id(env, 0); 801 env->mxccregs[7] |= env->def.mxcc_version; 802 #else 803 env->mmu_version = env->def.mmu_version; 804 env->maxtl = env->def.maxtl; 805 env->version |= env->def.maxtl << 8; 806 env->version |= env->def.nwindows - 1; 807 #endif 808 cpu_put_fsr(env, 0); 809 810 cpu_exec_realizefn(cs, &local_err); 811 if (local_err != NULL) { 812 error_propagate(errp, local_err); 813 return; 814 } 815 816 qemu_init_vcpu(cs); 817 818 scc->parent_realize(dev, errp); 819 } 820 821 static void sparc_cpu_initfn(Object *obj) 822 { 823 SPARCCPU *cpu = SPARC_CPU(obj); 824 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(obj); 825 CPUSPARCState *env = &cpu->env; 826 827 if (scc->cpu_def) { 828 env->def = *scc->cpu_def; 829 } 830 } 831 832 static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name, 833 void *opaque, Error **errp) 834 { 835 SPARCCPU *cpu = SPARC_CPU(obj); 836 int64_t value = cpu->env.def.nwindows; 837 838 visit_type_int(v, name, &value, errp); 839 } 840 841 static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name, 842 void *opaque, Error **errp) 843 { 844 const int64_t min = MIN_NWINDOWS; 845 const int64_t max = MAX_NWINDOWS; 846 SPARCCPU *cpu = SPARC_CPU(obj); 847 int64_t value; 848 849 if (!visit_type_int(v, name, &value, errp)) { 850 return; 851 } 852 853 if (value < min || value > max) { 854 error_setg(errp, "Property %s.%s doesn't take value %" PRId64 855 " (minimum: %" PRId64 ", maximum: %" PRId64 ")", 856 object_get_typename(obj), name ? name : "null", 857 value, min, max); 858 return; 859 } 860 cpu->env.def.nwindows = value; 861 } 862 863 static PropertyInfo qdev_prop_nwindows = { 864 .name = "int", 865 .get = sparc_get_nwindows, 866 .set = sparc_set_nwindows, 867 }; 868 869 /* This must match feature_name[]. */ 870 static Property sparc_cpu_properties[] = { 871 DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features, 872 CPU_FEATURE_BIT_FLOAT128, false), 873 #ifdef TARGET_SPARC64 874 DEFINE_PROP_BIT("cmt", SPARCCPU, env.def.features, 875 CPU_FEATURE_BIT_CMT, false), 876 DEFINE_PROP_BIT("gl", SPARCCPU, env.def.features, 877 CPU_FEATURE_BIT_GL, false), 878 DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features, 879 CPU_FEATURE_BIT_HYPV, false), 880 DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features, 881 CPU_FEATURE_BIT_VIS1, false), 882 DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features, 883 CPU_FEATURE_BIT_VIS2, false), 884 DEFINE_PROP_BIT("fmaf", SPARCCPU, env.def.features, 885 CPU_FEATURE_BIT_FMAF, false), 886 DEFINE_PROP_BIT("vis3", SPARCCPU, env.def.features, 887 CPU_FEATURE_BIT_VIS3, false), 888 DEFINE_PROP_BIT("ima", SPARCCPU, env.def.features, 889 CPU_FEATURE_BIT_IMA, false), 890 DEFINE_PROP_BIT("vis4", SPARCCPU, env.def.features, 891 CPU_FEATURE_BIT_VIS4, false), 892 #else 893 DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features, 894 CPU_FEATURE_BIT_MUL, false), 895 DEFINE_PROP_BIT("div", SPARCCPU, env.def.features, 896 CPU_FEATURE_BIT_DIV, false), 897 DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features, 898 CPU_FEATURE_BIT_FSMULD, false), 899 #endif 900 DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0, 901 qdev_prop_uint64, target_ulong), 902 DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0), 903 DEFINE_PROP_UINT32("mmu-version", SPARCCPU, env.def.mmu_version, 0), 904 DEFINE_PROP("nwindows", SPARCCPU, env.def.nwindows, 905 qdev_prop_nwindows, uint32_t), 906 DEFINE_PROP_END_OF_LIST() 907 }; 908 909 #ifndef CONFIG_USER_ONLY 910 #include "hw/core/sysemu-cpu-ops.h" 911 912 static const struct SysemuCPUOps sparc_sysemu_ops = { 913 .get_phys_page_debug = sparc_cpu_get_phys_page_debug, 914 .legacy_vmsd = &vmstate_sparc_cpu, 915 }; 916 #endif 917 918 #ifdef CONFIG_TCG 919 #include "hw/core/tcg-cpu-ops.h" 920 921 static const TCGCPUOps sparc_tcg_ops = { 922 .initialize = sparc_tcg_init, 923 .synchronize_from_tb = sparc_cpu_synchronize_from_tb, 924 .restore_state_to_opc = sparc_restore_state_to_opc, 925 926 #ifndef CONFIG_USER_ONLY 927 .tlb_fill = sparc_cpu_tlb_fill, 928 .cpu_exec_interrupt = sparc_cpu_exec_interrupt, 929 .cpu_exec_halt = sparc_cpu_has_work, 930 .do_interrupt = sparc_cpu_do_interrupt, 931 .do_transaction_failed = sparc_cpu_do_transaction_failed, 932 .do_unaligned_access = sparc_cpu_do_unaligned_access, 933 #endif /* !CONFIG_USER_ONLY */ 934 }; 935 #endif /* CONFIG_TCG */ 936 937 static void sparc_cpu_class_init(ObjectClass *oc, void *data) 938 { 939 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); 940 CPUClass *cc = CPU_CLASS(oc); 941 DeviceClass *dc = DEVICE_CLASS(oc); 942 ResettableClass *rc = RESETTABLE_CLASS(oc); 943 944 device_class_set_parent_realize(dc, sparc_cpu_realizefn, 945 &scc->parent_realize); 946 device_class_set_props(dc, sparc_cpu_properties); 947 948 resettable_class_set_parent_phases(rc, NULL, sparc_cpu_reset_hold, NULL, 949 &scc->parent_phases); 950 951 cc->class_by_name = sparc_cpu_class_by_name; 952 cc->parse_features = sparc_cpu_parse_features; 953 cc->has_work = sparc_cpu_has_work; 954 cc->mmu_index = sparc_cpu_mmu_index; 955 cc->dump_state = sparc_cpu_dump_state; 956 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) 957 cc->memory_rw_debug = sparc_cpu_memory_rw_debug; 958 #endif 959 cc->set_pc = sparc_cpu_set_pc; 960 cc->get_pc = sparc_cpu_get_pc; 961 cc->gdb_read_register = sparc_cpu_gdb_read_register; 962 cc->gdb_write_register = sparc_cpu_gdb_write_register; 963 #ifndef CONFIG_USER_ONLY 964 cc->sysemu_ops = &sparc_sysemu_ops; 965 #endif 966 cc->disas_set_info = cpu_sparc_disas_set_info; 967 968 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 969 cc->gdb_num_core_regs = 86; 970 #else 971 cc->gdb_num_core_regs = 72; 972 #endif 973 cc->tcg_ops = &sparc_tcg_ops; 974 } 975 976 static const TypeInfo sparc_cpu_type_info = { 977 .name = TYPE_SPARC_CPU, 978 .parent = TYPE_CPU, 979 .instance_size = sizeof(SPARCCPU), 980 .instance_align = __alignof(SPARCCPU), 981 .instance_init = sparc_cpu_initfn, 982 .abstract = true, 983 .class_size = sizeof(SPARCCPUClass), 984 .class_init = sparc_cpu_class_init, 985 }; 986 987 static void sparc_cpu_cpudef_class_init(ObjectClass *oc, void *data) 988 { 989 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); 990 scc->cpu_def = data; 991 } 992 993 static void sparc_register_cpudef_type(const struct sparc_def_t *def) 994 { 995 char *typename = sparc_cpu_type_name(def->name); 996 TypeInfo ti = { 997 .name = typename, 998 .parent = TYPE_SPARC_CPU, 999 .class_init = sparc_cpu_cpudef_class_init, 1000 .class_data = (void *)def, 1001 }; 1002 1003 type_register(&ti); 1004 g_free(typename); 1005 } 1006 1007 static void sparc_cpu_register_types(void) 1008 { 1009 int i; 1010 1011 type_register_static(&sparc_cpu_type_info); 1012 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { 1013 sparc_register_cpudef_type(&sparc_defs[i]); 1014 } 1015 } 1016 1017 type_init(sparc_cpu_register_types) 1018