target-sparc/cpu.c

   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 "cpu.h"
  21 #include "qemu/error-report.h"
  22
  23 //#define DEBUG_FEATURES
  24
  25 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
  26
  27 /* CPUClass::reset() */
  28 static void sparc_cpu_reset(CPUState *s)
  29 {
  30     SPARCCPU *cpu = SPARC_CPU(s);
  31     SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu);
  32     CPUSPARCState *env = &cpu->env;
  33
  34     scc->parent_reset(s);
  35
  36     memset(env, 0, offsetof(CPUSPARCState, version));
  37     tlb_flush(s, 1);
  38     env->cwp = 0;
  39 #ifndef TARGET_SPARC64
  40     env->wim = 1;
  41 #endif
  42     env->regwptr = env->regbase + (env->cwp * 16);
  43     CC_OP = CC_OP_FLAGS;
  44 #if defined(CONFIG_USER_ONLY)
  45 #ifdef TARGET_SPARC64
  46     env->cleanwin = env->nwindows - 2;
  47     env->cansave = env->nwindows - 2;
  48     env->pstate = PS_RMO | PS_PEF | PS_IE;
  49     env->asi = 0x82; /* Primary no-fault */
  50 #endif
  51 #else
  52 #if !defined(TARGET_SPARC64)
  53     env->psret = 0;
  54     env->psrs = 1;
  55     env->psrps = 1;
  56 #endif
  57 #ifdef TARGET_SPARC64
  58     env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
  59     env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
  60     env->tl = env->maxtl;
  61     cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
  62     env->lsu = 0;
  63 #else
  64     env->mmuregs[0] &= ~(MMU_E | MMU_NF);
  65     env->mmuregs[0] |= env->def->mmu_bm;
  66 #endif
  67     env->pc = 0;
  68     env->npc = env->pc + 4;
  69 #endif
  70     env->cache_control = 0;
  71 }
  72
  73 static int cpu_sparc_register(SPARCCPU *cpu, const char *cpu_model)
  74 {
  75     CPUClass *cc = CPU_GET_CLASS(cpu);
  76     CPUSPARCState *env = &cpu->env;
  77     char *s = g_strdup(cpu_model);
  78     char *featurestr, *name = strtok(s, ",");
  79     sparc_def_t def1, *def = &def1;
  80     Error *err = NULL;
  81
  82     if (cpu_sparc_find_by_name(def, name) < 0) {
  83         g_free(s);
  84         return -1;
  85     }
  86
  87     env->def = g_new0(sparc_def_t, 1);
  88     memcpy(env->def, def, sizeof(*def));
  89
  90     featurestr = strtok(NULL, ",");
  91     cc->parse_features(CPU(cpu), featurestr, &err);
  92     g_free(s);
  93     if (err) {
  94         error_report("%s", error_get_pretty(err));
  95         error_free(err);
  96         return -1;
  97     }
  98
  99     env->version = def->iu_version;
 100     env->fsr = def->fpu_version;
 101     env->nwindows = def->nwindows;
 102 #if !defined(TARGET_SPARC64)
 103     env->mmuregs[0] |= def->mmu_version;
 104     cpu_sparc_set_id(env, 0);
 105     env->mxccregs[7] |= def->mxcc_version;
 106 #else
 107     env->mmu_version = def->mmu_version;
 108     env->maxtl = def->maxtl;
 109     env->version |= def->maxtl << 8;
 110     env->version |= def->nwindows - 1;
 111 #endif
 112     return 0;
 113 }
 114
 115 SPARCCPU *cpu_sparc_init(const char *cpu_model)
 116 {
 117     SPARCCPU *cpu;
 118
 119     cpu = SPARC_CPU(object_new(TYPE_SPARC_CPU));
 120
 121     if (cpu_sparc_register(cpu, cpu_model) < 0) {
 122         object_unref(OBJECT(cpu));
 123         return NULL;
 124     }
 125
 126     object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
 127
 128     return cpu;
 129 }
 130
 131 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
 132 {
 133 #if !defined(TARGET_SPARC64)
 134     env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
 135 #endif
 136 }
 137
 138 static const sparc_def_t sparc_defs[] = {
 139 #ifdef TARGET_SPARC64
 140     {
 141         .name = "Fujitsu Sparc64",
 142         .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
 143         .fpu_version = 0x00000000,
 144         .mmu_version = mmu_us_12,
 145         .nwindows = 4,
 146         .maxtl = 4,
 147         .features = CPU_DEFAULT_FEATURES,
 148     },
 149     {
 150         .name = "Fujitsu Sparc64 III",
 151         .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
 152         .fpu_version = 0x00000000,
 153         .mmu_version = mmu_us_12,
 154         .nwindows = 5,
 155         .maxtl = 4,
 156         .features = CPU_DEFAULT_FEATURES,
 157     },
 158     {
 159         .name = "Fujitsu Sparc64 IV",
 160         .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
 161         .fpu_version = 0x00000000,
 162         .mmu_version = mmu_us_12,
 163         .nwindows = 8,
 164         .maxtl = 5,
 165         .features = CPU_DEFAULT_FEATURES,
 166     },
 167     {
 168         .name = "Fujitsu Sparc64 V",
 169         .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
 170         .fpu_version = 0x00000000,
 171         .mmu_version = mmu_us_12,
 172         .nwindows = 8,
 173         .maxtl = 5,
 174         .features = CPU_DEFAULT_FEATURES,
 175     },
 176     {
 177         .name = "TI UltraSparc I",
 178         .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 179         .fpu_version = 0x00000000,
 180         .mmu_version = mmu_us_12,
 181         .nwindows = 8,
 182         .maxtl = 5,
 183         .features = CPU_DEFAULT_FEATURES,
 184     },
 185     {
 186         .name = "TI UltraSparc II",
 187         .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
 188         .fpu_version = 0x00000000,
 189         .mmu_version = mmu_us_12,
 190         .nwindows = 8,
 191         .maxtl = 5,
 192         .features = CPU_DEFAULT_FEATURES,
 193     },
 194     {
 195         .name = "TI UltraSparc IIi",
 196         .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
 197         .fpu_version = 0x00000000,
 198         .mmu_version = mmu_us_12,
 199         .nwindows = 8,
 200         .maxtl = 5,
 201         .features = CPU_DEFAULT_FEATURES,
 202     },
 203     {
 204         .name = "TI UltraSparc IIe",
 205         .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
 206         .fpu_version = 0x00000000,
 207         .mmu_version = mmu_us_12,
 208         .nwindows = 8,
 209         .maxtl = 5,
 210         .features = CPU_DEFAULT_FEATURES,
 211     },
 212     {
 213         .name = "Sun UltraSparc III",
 214         .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
 215         .fpu_version = 0x00000000,
 216         .mmu_version = mmu_us_12,
 217         .nwindows = 8,
 218         .maxtl = 5,
 219         .features = CPU_DEFAULT_FEATURES,
 220     },
 221     {
 222         .name = "Sun UltraSparc III Cu",
 223         .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
 224         .fpu_version = 0x00000000,
 225         .mmu_version = mmu_us_3,
 226         .nwindows = 8,
 227         .maxtl = 5,
 228         .features = CPU_DEFAULT_FEATURES,
 229     },
 230     {
 231         .name = "Sun UltraSparc IIIi",
 232         .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
 233         .fpu_version = 0x00000000,
 234         .mmu_version = mmu_us_12,
 235         .nwindows = 8,
 236         .maxtl = 5,
 237         .features = CPU_DEFAULT_FEATURES,
 238     },
 239     {
 240         .name = "Sun UltraSparc IV",
 241         .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
 242         .fpu_version = 0x00000000,
 243         .mmu_version = mmu_us_4,
 244         .nwindows = 8,
 245         .maxtl = 5,
 246         .features = CPU_DEFAULT_FEATURES,
 247     },
 248     {
 249         .name = "Sun UltraSparc IV+",
 250         .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
 251         .fpu_version = 0x00000000,
 252         .mmu_version = mmu_us_12,
 253         .nwindows = 8,
 254         .maxtl = 5,
 255         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
 256     },
 257     {
 258         .name = "Sun UltraSparc IIIi+",
 259         .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
 260         .fpu_version = 0x00000000,
 261         .mmu_version = mmu_us_3,
 262         .nwindows = 8,
 263         .maxtl = 5,
 264         .features = CPU_DEFAULT_FEATURES,
 265     },
 266     {
 267         .name = "Sun UltraSparc T1",
 268         /* defined in sparc_ifu_fdp.v and ctu.h */
 269         .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
 270         .fpu_version = 0x00000000,
 271         .mmu_version = mmu_sun4v,
 272         .nwindows = 8,
 273         .maxtl = 6,
 274         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 275         | CPU_FEATURE_GL,
 276     },
 277     {
 278         .name = "Sun UltraSparc T2",
 279         /* defined in tlu_asi_ctl.v and n2_revid_cust.v */
 280         .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
 281         .fpu_version = 0x00000000,
 282         .mmu_version = mmu_sun4v,
 283         .nwindows = 8,
 284         .maxtl = 6,
 285         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 286         | CPU_FEATURE_GL,
 287     },
 288     {
 289         .name = "NEC UltraSparc I",
 290         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 291         .fpu_version = 0x00000000,
 292         .mmu_version = mmu_us_12,
 293         .nwindows = 8,
 294         .maxtl = 5,
 295         .features = CPU_DEFAULT_FEATURES,
 296     },
 297 #else
 298     {
 299         .name = "Fujitsu MB86904",
 300         .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
 301         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 302         .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
 303         .mmu_bm = 0x00004000,
 304         .mmu_ctpr_mask = 0x00ffffc0,
 305         .mmu_cxr_mask = 0x000000ff,
 306         .mmu_sfsr_mask = 0x00016fff,
 307         .mmu_trcr_mask = 0x00ffffff,
 308         .nwindows = 8,
 309         .features = CPU_DEFAULT_FEATURES,
 310     },
 311     {
 312         .name = "Fujitsu MB86907",
 313         .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
 314         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 315         .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
 316         .mmu_bm = 0x00004000,
 317         .mmu_ctpr_mask = 0xffffffc0,
 318         .mmu_cxr_mask = 0x000000ff,
 319         .mmu_sfsr_mask = 0x00016fff,
 320         .mmu_trcr_mask = 0xffffffff,
 321         .nwindows = 8,
 322         .features = CPU_DEFAULT_FEATURES,
 323     },
 324     {
 325         .name = "TI MicroSparc I",
 326         .iu_version = 0x41000000,
 327         .fpu_version = 4 << 17,
 328         .mmu_version = 0x41000000,
 329         .mmu_bm = 0x00004000,
 330         .mmu_ctpr_mask = 0x007ffff0,
 331         .mmu_cxr_mask = 0x0000003f,
 332         .mmu_sfsr_mask = 0x00016fff,
 333         .mmu_trcr_mask = 0x0000003f,
 334         .nwindows = 7,
 335         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
 336         CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
 337         CPU_FEATURE_FMUL,
 338     },
 339     {
 340         .name = "TI MicroSparc II",
 341         .iu_version = 0x42000000,
 342         .fpu_version = 4 << 17,
 343         .mmu_version = 0x02000000,
 344         .mmu_bm = 0x00004000,
 345         .mmu_ctpr_mask = 0x00ffffc0,
 346         .mmu_cxr_mask = 0x000000ff,
 347         .mmu_sfsr_mask = 0x00016fff,
 348         .mmu_trcr_mask = 0x00ffffff,
 349         .nwindows = 8,
 350         .features = CPU_DEFAULT_FEATURES,
 351     },
 352     {
 353         .name = "TI MicroSparc IIep",
 354         .iu_version = 0x42000000,
 355         .fpu_version = 4 << 17,
 356         .mmu_version = 0x04000000,
 357         .mmu_bm = 0x00004000,
 358         .mmu_ctpr_mask = 0x00ffffc0,
 359         .mmu_cxr_mask = 0x000000ff,
 360         .mmu_sfsr_mask = 0x00016bff,
 361         .mmu_trcr_mask = 0x00ffffff,
 362         .nwindows = 8,
 363         .features = CPU_DEFAULT_FEATURES,
 364     },
 365     {
 366         .name = "TI SuperSparc 40", /* STP1020NPGA */
 367         .iu_version = 0x41000000, /* SuperSPARC 2.x */
 368         .fpu_version = 0 << 17,
 369         .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */
 370         .mmu_bm = 0x00002000,
 371         .mmu_ctpr_mask = 0xffffffc0,
 372         .mmu_cxr_mask = 0x0000ffff,
 373         .mmu_sfsr_mask = 0xffffffff,
 374         .mmu_trcr_mask = 0xffffffff,
 375         .nwindows = 8,
 376         .features = CPU_DEFAULT_FEATURES,
 377     },
 378     {
 379         .name = "TI SuperSparc 50", /* STP1020PGA */
 380         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 381         .fpu_version = 0 << 17,
 382         .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
 383         .mmu_bm = 0x00002000,
 384         .mmu_ctpr_mask = 0xffffffc0,
 385         .mmu_cxr_mask = 0x0000ffff,
 386         .mmu_sfsr_mask = 0xffffffff,
 387         .mmu_trcr_mask = 0xffffffff,
 388         .nwindows = 8,
 389         .features = CPU_DEFAULT_FEATURES,
 390     },
 391     {
 392         .name = "TI SuperSparc 51",
 393         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 394         .fpu_version = 0 << 17,
 395         .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
 396         .mmu_bm = 0x00002000,
 397         .mmu_ctpr_mask = 0xffffffc0,
 398         .mmu_cxr_mask = 0x0000ffff,
 399         .mmu_sfsr_mask = 0xffffffff,
 400         .mmu_trcr_mask = 0xffffffff,
 401         .mxcc_version = 0x00000104,
 402         .nwindows = 8,
 403         .features = CPU_DEFAULT_FEATURES,
 404     },
 405     {
 406         .name = "TI SuperSparc 60", /* STP1020APGA */
 407         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 408         .fpu_version = 0 << 17,
 409         .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
 410         .mmu_bm = 0x00002000,
 411         .mmu_ctpr_mask = 0xffffffc0,
 412         .mmu_cxr_mask = 0x0000ffff,
 413         .mmu_sfsr_mask = 0xffffffff,
 414         .mmu_trcr_mask = 0xffffffff,
 415         .nwindows = 8,
 416         .features = CPU_DEFAULT_FEATURES,
 417     },
 418     {
 419         .name = "TI SuperSparc 61",
 420         .iu_version = 0x44000000, /* SuperSPARC 3.x */
 421         .fpu_version = 0 << 17,
 422         .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
 423         .mmu_bm = 0x00002000,
 424         .mmu_ctpr_mask = 0xffffffc0,
 425         .mmu_cxr_mask = 0x0000ffff,
 426         .mmu_sfsr_mask = 0xffffffff,
 427         .mmu_trcr_mask = 0xffffffff,
 428         .mxcc_version = 0x00000104,
 429         .nwindows = 8,
 430         .features = CPU_DEFAULT_FEATURES,
 431     },
 432     {
 433         .name = "TI SuperSparc II",
 434         .iu_version = 0x40000000, /* SuperSPARC II 1.x */
 435         .fpu_version = 0 << 17,
 436         .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */
 437         .mmu_bm = 0x00002000,
 438         .mmu_ctpr_mask = 0xffffffc0,
 439         .mmu_cxr_mask = 0x0000ffff,
 440         .mmu_sfsr_mask = 0xffffffff,
 441         .mmu_trcr_mask = 0xffffffff,
 442         .mxcc_version = 0x00000104,
 443         .nwindows = 8,
 444         .features = CPU_DEFAULT_FEATURES,
 445     },
 446     {
 447         .name = "LEON2",
 448         .iu_version = 0xf2000000,
 449         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 450         .mmu_version = 0xf2000000,
 451         .mmu_bm = 0x00004000,
 452         .mmu_ctpr_mask = 0x007ffff0,
 453         .mmu_cxr_mask = 0x0000003f,
 454         .mmu_sfsr_mask = 0xffffffff,
 455         .mmu_trcr_mask = 0xffffffff,
 456         .nwindows = 8,
 457         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
 458     },
 459     {
 460         .name = "LEON3",
 461         .iu_version = 0xf3000000,
 462         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 463         .mmu_version = 0xf3000000,
 464         .mmu_bm = 0x00000000,
 465         .mmu_ctpr_mask = 0xfffffffc,
 466         .mmu_cxr_mask = 0x000000ff,
 467         .mmu_sfsr_mask = 0xffffffff,
 468         .mmu_trcr_mask = 0xffffffff,
 469         .nwindows = 8,
 470         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
 471         CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN |
 472         CPU_FEATURE_CASA,
 473     },
 474 #endif
 475 };
 476
 477 static const char * const feature_name[] = {
 478     "float",
 479     "float128",
 480     "swap",
 481     "mul",
 482     "div",
 483     "flush",
 484     "fsqrt",
 485     "fmul",
 486     "vis1",
 487     "vis2",
 488     "fsmuld",
 489     "hypv",
 490     "cmt",
 491     "gl",
 492 };
 493
 494 static void print_features(FILE *f, fprintf_function cpu_fprintf,
 495                            uint32_t features, const char *prefix)
 496 {
 497     unsigned int i;
 498
 499     for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
 500         if (feature_name[i] && (features & (1 << i))) {
 501             if (prefix) {
 502                 (*cpu_fprintf)(f, "%s", prefix);
 503             }
 504             (*cpu_fprintf)(f, "%s ", feature_name[i]);
 505         }
 506     }
 507 }
 508
 509 static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
 510 {
 511     unsigned int i;
 512
 513     for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
 514         if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
 515             *features |= 1 << i;
 516             return;
 517         }
 518     }
 519     error_report("CPU feature %s not found", flagname);
 520 }
 521
 522 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *name)
 523 {
 524     unsigned int i;
 525     const sparc_def_t *def = NULL;
 526
 527     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
 528         if (strcasecmp(name, sparc_defs[i].name) == 0) {
 529             def = &sparc_defs[i];
 530         }
 531     }
 532     if (!def) {
 533         return -1;
 534     }
 535     memcpy(cpu_def, def, sizeof(*def));
 536     return 0;
 537 }
 538
 539 static void sparc_cpu_parse_features(CPUState *cs, char *features,
 540                                      Error **errp)
 541 {
 542     SPARCCPU *cpu = SPARC_CPU(cs);
 543     sparc_def_t *cpu_def = cpu->env.def;
 544     char *featurestr;
 545     uint32_t plus_features = 0;
 546     uint32_t minus_features = 0;
 547     uint64_t iu_version;
 548     uint32_t fpu_version, mmu_version, nwindows;
 549
 550     featurestr = features ? strtok(features, ",") : NULL;
 551     while (featurestr) {
 552         char *val;
 553
 554         if (featurestr[0] == '+') {
 555             add_flagname_to_bitmaps(featurestr + 1, &plus_features);
 556         } else if (featurestr[0] == '-') {
 557             add_flagname_to_bitmaps(featurestr + 1, &minus_features);
 558         } else if ((val = strchr(featurestr, '='))) {
 559             *val = 0; val++;
 560             if (!strcmp(featurestr, "iu_version")) {
 561                 char *err;
 562
 563                 iu_version = strtoll(val, &err, 0);
 564                 if (!*val || *err) {
 565                     error_setg(errp, "bad numerical value %s", val);
 566                     return;
 567                 }
 568                 cpu_def->iu_version = iu_version;
 569 #ifdef DEBUG_FEATURES
 570                 fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version);
 571 #endif
 572             } else if (!strcmp(featurestr, "fpu_version")) {
 573                 char *err;
 574
 575                 fpu_version = strtol(val, &err, 0);
 576                 if (!*val || *err) {
 577                     error_setg(errp, "bad numerical value %s", val);
 578                     return;
 579                 }
 580                 cpu_def->fpu_version = fpu_version;
 581 #ifdef DEBUG_FEATURES
 582                 fprintf(stderr, "fpu_version %x\n", fpu_version);
 583 #endif
 584             } else if (!strcmp(featurestr, "mmu_version")) {
 585                 char *err;
 586
 587                 mmu_version = strtol(val, &err, 0);
 588                 if (!*val || *err) {
 589                     error_setg(errp, "bad numerical value %s", val);
 590                     return;
 591                 }
 592                 cpu_def->mmu_version = mmu_version;
 593 #ifdef DEBUG_FEATURES
 594                 fprintf(stderr, "mmu_version %x\n", mmu_version);
 595 #endif
 596             } else if (!strcmp(featurestr, "nwindows")) {
 597                 char *err;
 598
 599                 nwindows = strtol(val, &err, 0);
 600                 if (!*val || *err || nwindows > MAX_NWINDOWS ||
 601                     nwindows < MIN_NWINDOWS) {
 602                     error_setg(errp, "bad numerical value %s", val);
 603                     return;
 604                 }
 605                 cpu_def->nwindows = nwindows;
 606 #ifdef DEBUG_FEATURES
 607                 fprintf(stderr, "nwindows %d\n", nwindows);
 608 #endif
 609             } else {
 610                 error_setg(errp, "unrecognized feature %s", featurestr);
 611                 return;
 612             }
 613         } else {
 614             error_setg(errp, "feature string `%s' not in format "
 615                              "(+feature|-feature|feature=xyz)", featurestr);
 616             return;
 617         }
 618         featurestr = strtok(NULL, ",");
 619     }
 620     cpu_def->features |= plus_features;
 621     cpu_def->features &= ~minus_features;
 622 #ifdef DEBUG_FEATURES
 623     print_features(stderr, fprintf, cpu_def->features, NULL);
 624 #endif
 625 }
 626
 627 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
 628 {
 629     unsigned int i;
 630
 631     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
 632         (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
 633                        " FPU %08x MMU %08x NWINS %d ",
 634                        sparc_defs[i].name,
 635                        sparc_defs[i].iu_version,
 636                        sparc_defs[i].fpu_version,
 637                        sparc_defs[i].mmu_version,
 638                        sparc_defs[i].nwindows);
 639         print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
 640                        ~sparc_defs[i].features, "-");
 641         print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
 642                        sparc_defs[i].features, "+");
 643         (*cpu_fprintf)(f, "\n");
 644     }
 645     (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
 646     print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
 647     (*cpu_fprintf)(f, "\n");
 648     (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
 649     print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
 650     (*cpu_fprintf)(f, "\n");
 651     (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
 652                    "fpu_version mmu_version nwindows\n");
 653 }
 654
 655 static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
 656                          uint32_t cc)
 657 {
 658     cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
 659                 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
 660                 cc & PSR_CARRY ? 'C' : '-');
 661 }
 662
 663 #ifdef TARGET_SPARC64
 664 #define REGS_PER_LINE 4
 665 #else
 666 #define REGS_PER_LINE 8
 667 #endif
 668
 669 void sparc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
 670                           int flags)
 671 {
 672     SPARCCPU *cpu = SPARC_CPU(cs);
 673     CPUSPARCState *env = &cpu->env;
 674     int i, x;
 675
 676     cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
 677                 env->npc);
 678
 679     for (i = 0; i < 8; i++) {
 680         if (i % REGS_PER_LINE == 0) {
 681             cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
 682         }
 683         cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
 684         if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
 685             cpu_fprintf(f, "\n");
 686         }
 687     }
 688     for (x = 0; x < 3; x++) {
 689         for (i = 0; i < 8; i++) {
 690             if (i % REGS_PER_LINE == 0) {
 691                 cpu_fprintf(f, "%%%c%d-%d: ",
 692                             x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
 693                             i, i + REGS_PER_LINE - 1);
 694             }
 695             cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
 696             if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
 697                 cpu_fprintf(f, "\n");
 698             }
 699         }
 700     }
 701
 702     for (i = 0; i < TARGET_DPREGS; i++) {
 703         if ((i & 3) == 0) {
 704             cpu_fprintf(f, "%%f%02d: ", i * 2);
 705         }
 706         cpu_fprintf(f, " %016" PRIx64, env->fpr[i].ll);
 707         if ((i & 3) == 3) {
 708             cpu_fprintf(f, "\n");
 709         }
 710     }
 711 #ifdef TARGET_SPARC64
 712     cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
 713                 (unsigned)cpu_get_ccr(env));
 714     cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
 715     cpu_fprintf(f, " xcc: ");
 716     cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
 717     cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
 718                 env->psrpil);
 719     cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
 720                 "cleanwin: %d cwp: %d\n",
 721                 env->cansave, env->canrestore, env->otherwin, env->wstate,
 722                 env->cleanwin, env->nwindows - 1 - env->cwp);
 723     cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
 724                 TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
 725 #else
 726     cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
 727     cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
 728     cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
 729                 env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
 730                 env->wim);
 731     cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
 732                 env->fsr, env->y);
 733 #endif
 734     cpu_fprintf(f, "\n");
 735 }
 736
 737 static void sparc_cpu_set_pc(CPUState *cs, vaddr value)
 738 {
 739     SPARCCPU *cpu = SPARC_CPU(cs);
 740
 741     cpu->env.pc = value;
 742     cpu->env.npc = value + 4;
 743 }
 744
 745 static void sparc_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
 746 {
 747     SPARCCPU *cpu = SPARC_CPU(cs);
 748
 749     cpu->env.pc = tb->pc;
 750     cpu->env.npc = tb->cs_base;
 751 }
 752
 753 static bool sparc_cpu_has_work(CPUState *cs)
 754 {
 755     SPARCCPU *cpu = SPARC_CPU(cs);
 756     CPUSPARCState *env = &cpu->env;
 757
 758     return (cs->interrupt_request & CPU_INTERRUPT_HARD) &&
 759            cpu_interrupts_enabled(env);
 760 }
 761
 762 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp)
 763 {
 764     SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev);
 765 #if defined(CONFIG_USER_ONLY)
 766     SPARCCPU *cpu = SPARC_CPU(dev);
 767     CPUSPARCState *env = &cpu->env;
 768
 769     if ((env->def->features & CPU_FEATURE_FLOAT)) {
 770         env->def->features |= CPU_FEATURE_FLOAT128;
 771     }
 772 #endif
 773
 774     qemu_init_vcpu(CPU(dev));
 775
 776     scc->parent_realize(dev, errp);
 777 }
 778
 779 static void sparc_cpu_initfn(Object *obj)
 780 {
 781     CPUState *cs = CPU(obj);
 782     SPARCCPU *cpu = SPARC_CPU(obj);
 783     CPUSPARCState *env = &cpu->env;
 784
 785     cs->env_ptr = env;
 786     cpu_exec_init(env);
 787
 788     if (tcg_enabled()) {
 789         gen_intermediate_code_init(env);
 790     }
 791 }
 792
 793 static void sparc_cpu_uninitfn(Object *obj)
 794 {
 795     SPARCCPU *cpu = SPARC_CPU(obj);
 796     CPUSPARCState *env = &cpu->env;
 797
 798     g_free(env->def);
 799 }
 800
 801 static void sparc_cpu_class_init(ObjectClass *oc, void *data)
 802 {
 803     SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
 804     CPUClass *cc = CPU_CLASS(oc);
 805     DeviceClass *dc = DEVICE_CLASS(oc);
 806
 807     scc->parent_realize = dc->realize;
 808     dc->realize = sparc_cpu_realizefn;
 809
 810     scc->parent_reset = cc->reset;
 811     cc->reset = sparc_cpu_reset;
 812
 813     cc->parse_features = sparc_cpu_parse_features;
 814     cc->has_work = sparc_cpu_has_work;
 815     cc->do_interrupt = sparc_cpu_do_interrupt;
 816     cc->dump_state = sparc_cpu_dump_state;
 817 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
 818     cc->memory_rw_debug = sparc_cpu_memory_rw_debug;
 819 #endif
 820     cc->set_pc = sparc_cpu_set_pc;
 821     cc->synchronize_from_tb = sparc_cpu_synchronize_from_tb;
 822     cc->gdb_read_register = sparc_cpu_gdb_read_register;
 823     cc->gdb_write_register = sparc_cpu_gdb_write_register;
 824 #ifdef CONFIG_USER_ONLY
 825     cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault;
 826 #else
 827     cc->do_unassigned_access = sparc_cpu_unassigned_access;
 828     cc->do_unaligned_access = sparc_cpu_do_unaligned_access;
 829     cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
 830 #endif
 831
 832 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
 833     cc->gdb_num_core_regs = 86;
 834 #else
 835     cc->gdb_num_core_regs = 72;
 836 #endif
 837 }
 838
 839 static const TypeInfo sparc_cpu_type_info = {
 840     .name = TYPE_SPARC_CPU,
 841     .parent = TYPE_CPU,
 842     .instance_size = sizeof(SPARCCPU),
 843     .instance_init = sparc_cpu_initfn,
 844     .instance_finalize = sparc_cpu_uninitfn,
 845     .abstract = false,
 846     .class_size = sizeof(SPARCCPUClass),
 847     .class_init = sparc_cpu_class_init,
 848 };
 849
 850 static void sparc_cpu_register_types(void)
 851 {
 852     type_register_static(&sparc_cpu_type_info);
 853 }
 854
 855 type_init(sparc_cpu_register_types)