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