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     if (qemu_loglevel_mask(CPU_LOG_RESET)) {
  34         qemu_log("CPU Reset (CPU %d)\n", s->cpu_index);
  35         log_cpu_state(env, 0);
  36     }
  37
  38     scc->parent_reset(s);
  39
  40     memset(env, 0, offsetof(CPUSPARCState, breakpoints));
  41     tlb_flush(env, 1);
  42     env->cwp = 0;
  43 #ifndef TARGET_SPARC64
  44     env->wim = 1;
  45 #endif
  46     env->regwptr = env->regbase + (env->cwp * 16);
  47     CC_OP = CC_OP_FLAGS;
  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|PS_AG;
  63     env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
  64     env->tl = env->maxtl;
  65     cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
  66     env->lsu = 0;
  67 #else
  68     env->mmuregs[0] &= ~(MMU_E | MMU_NF);
  69     env->mmuregs[0] |= env->def->mmu_bm;
  70 #endif
  71     env->pc = 0;
  72     env->npc = env->pc + 4;
  73 #endif
  74     env->cache_control = 0;
  75 }
  76
  77 static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
  78 {
  79     sparc_def_t def1, *def = &def1;
  80
  81     if (cpu_sparc_find_by_name(def, cpu_model) < 0) {
  82         return -1;
  83     }
  84
  85     env->def = g_new0(sparc_def_t, 1);
  86     memcpy(env->def, def, sizeof(*def));
  87 #if defined(CONFIG_USER_ONLY)
  88     if ((env->def->features & CPU_FEATURE_FLOAT)) {
  89         env->def->features |= CPU_FEATURE_FLOAT128;
  90     }
  91 #endif
  92     env->cpu_model_str = cpu_model;
  93     env->version = def->iu_version;
  94     env->fsr = def->fpu_version;
  95     env->nwindows = def->nwindows;
  96 #if !defined(TARGET_SPARC64)
  97     env->mmuregs[0] |= def->mmu_version;
  98     cpu_sparc_set_id(env, 0);
  99     env->mxccregs[7] |= def->mxcc_version;
 100 #else
 101     env->mmu_version = def->mmu_version;
 102     env->maxtl = def->maxtl;
 103     env->version |= def->maxtl << 8;
 104     env->version |= def->nwindows - 1;
 105 #endif
 106     return 0;
 107 }
 108
 109 SPARCCPU *cpu_sparc_init(const char *cpu_model)
 110 {
 111     SPARCCPU *cpu;
 112     CPUSPARCState *env;
 113
 114     cpu = SPARC_CPU(object_new(TYPE_SPARC_CPU));
 115     env = &cpu->env;
 116
 117     if (cpu_sparc_register(env, cpu_model) < 0) {
 118         object_unref(OBJECT(cpu));
 119         return NULL;
 120     }
 121
 122     object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
 123
 124     return cpu;
 125 }
 126
 127 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
 128 {
 129 #if !defined(TARGET_SPARC64)
 130     env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
 131 #endif
 132 }
 133
 134 static const sparc_def_t sparc_defs[] = {
 135 #ifdef TARGET_SPARC64
 136     {
 137         .name = "Fujitsu Sparc64",
 138         .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
 139         .fpu_version = 0x00000000,
 140         .mmu_version = mmu_us_12,
 141         .nwindows = 4,
 142         .maxtl = 4,
 143         .features = CPU_DEFAULT_FEATURES,
 144     },
 145     {
 146         .name = "Fujitsu Sparc64 III",
 147         .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
 148         .fpu_version = 0x00000000,
 149         .mmu_version = mmu_us_12,
 150         .nwindows = 5,
 151         .maxtl = 4,
 152         .features = CPU_DEFAULT_FEATURES,
 153     },
 154     {
 155         .name = "Fujitsu Sparc64 IV",
 156         .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
 157         .fpu_version = 0x00000000,
 158         .mmu_version = mmu_us_12,
 159         .nwindows = 8,
 160         .maxtl = 5,
 161         .features = CPU_DEFAULT_FEATURES,
 162     },
 163     {
 164         .name = "Fujitsu Sparc64 V",
 165         .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
 166         .fpu_version = 0x00000000,
 167         .mmu_version = mmu_us_12,
 168         .nwindows = 8,
 169         .maxtl = 5,
 170         .features = CPU_DEFAULT_FEATURES,
 171     },
 172     {
 173         .name = "TI UltraSparc I",
 174         .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 175         .fpu_version = 0x00000000,
 176         .mmu_version = mmu_us_12,
 177         .nwindows = 8,
 178         .maxtl = 5,
 179         .features = CPU_DEFAULT_FEATURES,
 180     },
 181     {
 182         .name = "TI UltraSparc II",
 183         .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
 184         .fpu_version = 0x00000000,
 185         .mmu_version = mmu_us_12,
 186         .nwindows = 8,
 187         .maxtl = 5,
 188         .features = CPU_DEFAULT_FEATURES,
 189     },
 190     {
 191         .name = "TI UltraSparc IIi",
 192         .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
 193         .fpu_version = 0x00000000,
 194         .mmu_version = mmu_us_12,
 195         .nwindows = 8,
 196         .maxtl = 5,
 197         .features = CPU_DEFAULT_FEATURES,
 198     },
 199     {
 200         .name = "TI UltraSparc IIe",
 201         .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
 202         .fpu_version = 0x00000000,
 203         .mmu_version = mmu_us_12,
 204         .nwindows = 8,
 205         .maxtl = 5,
 206         .features = CPU_DEFAULT_FEATURES,
 207     },
 208     {
 209         .name = "Sun UltraSparc III",
 210         .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
 211         .fpu_version = 0x00000000,
 212         .mmu_version = mmu_us_12,
 213         .nwindows = 8,
 214         .maxtl = 5,
 215         .features = CPU_DEFAULT_FEATURES,
 216     },
 217     {
 218         .name = "Sun UltraSparc III Cu",
 219         .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
 220         .fpu_version = 0x00000000,
 221         .mmu_version = mmu_us_3,
 222         .nwindows = 8,
 223         .maxtl = 5,
 224         .features = CPU_DEFAULT_FEATURES,
 225     },
 226     {
 227         .name = "Sun UltraSparc IIIi",
 228         .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 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 = "Sun UltraSparc IV",
 237         .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
 238         .fpu_version = 0x00000000,
 239         .mmu_version = mmu_us_4,
 240         .nwindows = 8,
 241         .maxtl = 5,
 242         .features = CPU_DEFAULT_FEATURES,
 243     },
 244     {
 245         .name = "Sun UltraSparc IV+",
 246         .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
 247         .fpu_version = 0x00000000,
 248         .mmu_version = mmu_us_12,
 249         .nwindows = 8,
 250         .maxtl = 5,
 251         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
 252     },
 253     {
 254         .name = "Sun UltraSparc IIIi+",
 255         .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
 256         .fpu_version = 0x00000000,
 257         .mmu_version = mmu_us_3,
 258         .nwindows = 8,
 259         .maxtl = 5,
 260         .features = CPU_DEFAULT_FEATURES,
 261     },
 262     {
 263         .name = "Sun UltraSparc T1",
 264         /* defined in sparc_ifu_fdp.v and ctu.h */
 265         .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
 266         .fpu_version = 0x00000000,
 267         .mmu_version = mmu_sun4v,
 268         .nwindows = 8,
 269         .maxtl = 6,
 270         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 271         | CPU_FEATURE_GL,
 272     },
 273     {
 274         .name = "Sun UltraSparc T2",
 275         /* defined in tlu_asi_ctl.v and n2_revid_cust.v */
 276         .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
 277         .fpu_version = 0x00000000,
 278         .mmu_version = mmu_sun4v,
 279         .nwindows = 8,
 280         .maxtl = 6,
 281         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 282         | CPU_FEATURE_GL,
 283     },
 284     {
 285         .name = "NEC UltraSparc I",
 286         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 287         .fpu_version = 0x00000000,
 288         .mmu_version = mmu_us_12,
 289         .nwindows = 8,
 290         .maxtl = 5,
 291         .features = CPU_DEFAULT_FEATURES,
 292     },
 293 #else
 294     {
 295         .name = "Fujitsu MB86900",
 296         .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
 297         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 298         .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
 299         .mmu_bm = 0x00004000,
 300         .mmu_ctpr_mask = 0x007ffff0,
 301         .mmu_cxr_mask = 0x0000003f,
 302         .mmu_sfsr_mask = 0xffffffff,
 303         .mmu_trcr_mask = 0xffffffff,
 304         .nwindows = 7,
 305         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
 306     },
 307     {
 308         .name = "Fujitsu MB86904",
 309         .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
 310         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 311         .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
 312         .mmu_bm = 0x00004000,
 313         .mmu_ctpr_mask = 0x00ffffc0,
 314         .mmu_cxr_mask = 0x000000ff,
 315         .mmu_sfsr_mask = 0x00016fff,
 316         .mmu_trcr_mask = 0x00ffffff,
 317         .nwindows = 8,
 318         .features = CPU_DEFAULT_FEATURES,
 319     },
 320     {
 321         .name = "Fujitsu MB86907",
 322         .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
 323         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 324         .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
 325         .mmu_bm = 0x00004000,
 326         .mmu_ctpr_mask = 0xffffffc0,
 327         .mmu_cxr_mask = 0x000000ff,
 328         .mmu_sfsr_mask = 0x00016fff,
 329         .mmu_trcr_mask = 0xffffffff,
 330         .nwindows = 8,
 331         .features = CPU_DEFAULT_FEATURES,
 332     },
 333     {
 334         .name = "LSI L64811",
 335         .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
 336         .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
 337         .mmu_version = 0x10 << 24,
 338         .mmu_bm = 0x00004000,
 339         .mmu_ctpr_mask = 0x007ffff0,
 340         .mmu_cxr_mask = 0x0000003f,
 341         .mmu_sfsr_mask = 0xffffffff,
 342         .mmu_trcr_mask = 0xffffffff,
 343         .nwindows = 8,
 344         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
 345         CPU_FEATURE_FSMULD,
 346     },
 347     {
 348         .name = "Cypress CY7C601",
 349         .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
 350         .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
 351         .mmu_version = 0x10 << 24,
 352         .mmu_bm = 0x00004000,
 353         .mmu_ctpr_mask = 0x007ffff0,
 354         .mmu_cxr_mask = 0x0000003f,
 355         .mmu_sfsr_mask = 0xffffffff,
 356         .mmu_trcr_mask = 0xffffffff,
 357         .nwindows = 8,
 358         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
 359         CPU_FEATURE_FSMULD,
 360     },
 361     {
 362         .name = "Cypress CY7C611",
 363         .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
 364         .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
 365         .mmu_version = 0x10 << 24,
 366         .mmu_bm = 0x00004000,
 367         .mmu_ctpr_mask = 0x007ffff0,
 368         .mmu_cxr_mask = 0x0000003f,
 369         .mmu_sfsr_mask = 0xffffffff,
 370         .mmu_trcr_mask = 0xffffffff,
 371         .nwindows = 8,
 372         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
 373         CPU_FEATURE_FSMULD,
 374     },
 375     {
 376         .name = "TI MicroSparc I",
 377         .iu_version = 0x41000000,
 378         .fpu_version = 4 << 17,
 379         .mmu_version = 0x41000000,
 380         .mmu_bm = 0x00004000,
 381         .mmu_ctpr_mask = 0x007ffff0,
 382         .mmu_cxr_mask = 0x0000003f,
 383         .mmu_sfsr_mask = 0x00016fff,
 384         .mmu_trcr_mask = 0x0000003f,
 385         .nwindows = 7,
 386         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
 387         CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
 388         CPU_FEATURE_FMUL,
 389     },
 390     {
 391         .name = "TI MicroSparc II",
 392         .iu_version = 0x42000000,
 393         .fpu_version = 4 << 17,
 394         .mmu_version = 0x02000000,
 395         .mmu_bm = 0x00004000,
 396         .mmu_ctpr_mask = 0x00ffffc0,
 397         .mmu_cxr_mask = 0x000000ff,
 398         .mmu_sfsr_mask = 0x00016fff,
 399         .mmu_trcr_mask = 0x00ffffff,
 400         .nwindows = 8,
 401         .features = CPU_DEFAULT_FEATURES,
 402     },
 403     {
 404         .name = "TI MicroSparc IIep",
 405         .iu_version = 0x42000000,
 406         .fpu_version = 4 << 17,
 407         .mmu_version = 0x04000000,
 408         .mmu_bm = 0x00004000,
 409         .mmu_ctpr_mask = 0x00ffffc0,
 410         .mmu_cxr_mask = 0x000000ff,
 411         .mmu_sfsr_mask = 0x00016bff,
 412         .mmu_trcr_mask = 0x00ffffff,
 413         .nwindows = 8,
 414         .features = CPU_DEFAULT_FEATURES,
 415     },
 416     {
 417         .name = "TI SuperSparc 40", /* STP1020NPGA */
 418         .iu_version = 0x41000000, /* SuperSPARC 2.x */
 419         .fpu_version = 0 << 17,
 420         .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */
 421         .mmu_bm = 0x00002000,
 422         .mmu_ctpr_mask = 0xffffffc0,
 423         .mmu_cxr_mask = 0x0000ffff,
 424         .mmu_sfsr_mask = 0xffffffff,
 425         .mmu_trcr_mask = 0xffffffff,
 426         .nwindows = 8,
 427         .features = CPU_DEFAULT_FEATURES,
 428     },
 429     {
 430         .name = "TI SuperSparc 50", /* STP1020PGA */
 431         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 432         .fpu_version = 0 << 17,
 433         .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
 434         .mmu_bm = 0x00002000,
 435         .mmu_ctpr_mask = 0xffffffc0,
 436         .mmu_cxr_mask = 0x0000ffff,
 437         .mmu_sfsr_mask = 0xffffffff,
 438         .mmu_trcr_mask = 0xffffffff,
 439         .nwindows = 8,
 440         .features = CPU_DEFAULT_FEATURES,
 441     },
 442     {
 443         .name = "TI SuperSparc 51",
 444         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 445         .fpu_version = 0 << 17,
 446         .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
 447         .mmu_bm = 0x00002000,
 448         .mmu_ctpr_mask = 0xffffffc0,
 449         .mmu_cxr_mask = 0x0000ffff,
 450         .mmu_sfsr_mask = 0xffffffff,
 451         .mmu_trcr_mask = 0xffffffff,
 452         .mxcc_version = 0x00000104,
 453         .nwindows = 8,
 454         .features = CPU_DEFAULT_FEATURES,
 455     },
 456     {
 457         .name = "TI SuperSparc 60", /* STP1020APGA */
 458         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 459         .fpu_version = 0 << 17,
 460         .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
 461         .mmu_bm = 0x00002000,
 462         .mmu_ctpr_mask = 0xffffffc0,
 463         .mmu_cxr_mask = 0x0000ffff,
 464         .mmu_sfsr_mask = 0xffffffff,
 465         .mmu_trcr_mask = 0xffffffff,
 466         .nwindows = 8,
 467         .features = CPU_DEFAULT_FEATURES,
 468     },
 469     {
 470         .name = "TI SuperSparc 61",
 471         .iu_version = 0x44000000, /* SuperSPARC 3.x */
 472         .fpu_version = 0 << 17,
 473         .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
 474         .mmu_bm = 0x00002000,
 475         .mmu_ctpr_mask = 0xffffffc0,
 476         .mmu_cxr_mask = 0x0000ffff,
 477         .mmu_sfsr_mask = 0xffffffff,
 478         .mmu_trcr_mask = 0xffffffff,
 479         .mxcc_version = 0x00000104,
 480         .nwindows = 8,
 481         .features = CPU_DEFAULT_FEATURES,
 482     },
 483     {
 484         .name = "TI SuperSparc II",
 485         .iu_version = 0x40000000, /* SuperSPARC II 1.x */
 486         .fpu_version = 0 << 17,
 487         .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */
 488         .mmu_bm = 0x00002000,
 489         .mmu_ctpr_mask = 0xffffffc0,
 490         .mmu_cxr_mask = 0x0000ffff,
 491         .mmu_sfsr_mask = 0xffffffff,
 492         .mmu_trcr_mask = 0xffffffff,
 493         .mxcc_version = 0x00000104,
 494         .nwindows = 8,
 495         .features = CPU_DEFAULT_FEATURES,
 496     },
 497     {
 498         .name = "Ross RT625",
 499         .iu_version = 0x1e000000,
 500         .fpu_version = 1 << 17,
 501         .mmu_version = 0x1e000000,
 502         .mmu_bm = 0x00004000,
 503         .mmu_ctpr_mask = 0x007ffff0,
 504         .mmu_cxr_mask = 0x0000003f,
 505         .mmu_sfsr_mask = 0xffffffff,
 506         .mmu_trcr_mask = 0xffffffff,
 507         .nwindows = 8,
 508         .features = CPU_DEFAULT_FEATURES,
 509     },
 510     {
 511         .name = "Ross RT620",
 512         .iu_version = 0x1f000000,
 513         .fpu_version = 1 << 17,
 514         .mmu_version = 0x1f000000,
 515         .mmu_bm = 0x00004000,
 516         .mmu_ctpr_mask = 0x007ffff0,
 517         .mmu_cxr_mask = 0x0000003f,
 518         .mmu_sfsr_mask = 0xffffffff,
 519         .mmu_trcr_mask = 0xffffffff,
 520         .nwindows = 8,
 521         .features = CPU_DEFAULT_FEATURES,
 522     },
 523     {
 524         .name = "BIT B5010",
 525         .iu_version = 0x20000000,
 526         .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
 527         .mmu_version = 0x20000000,
 528         .mmu_bm = 0x00004000,
 529         .mmu_ctpr_mask = 0x007ffff0,
 530         .mmu_cxr_mask = 0x0000003f,
 531         .mmu_sfsr_mask = 0xffffffff,
 532         .mmu_trcr_mask = 0xffffffff,
 533         .nwindows = 8,
 534         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
 535         CPU_FEATURE_FSMULD,
 536     },
 537     {
 538         .name = "Matsushita MN10501",
 539         .iu_version = 0x50000000,
 540         .fpu_version = 0 << 17,
 541         .mmu_version = 0x50000000,
 542         .mmu_bm = 0x00004000,
 543         .mmu_ctpr_mask = 0x007ffff0,
 544         .mmu_cxr_mask = 0x0000003f,
 545         .mmu_sfsr_mask = 0xffffffff,
 546         .mmu_trcr_mask = 0xffffffff,
 547         .nwindows = 8,
 548         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
 549         CPU_FEATURE_FSMULD,
 550     },
 551     {
 552         .name = "Weitek W8601",
 553         .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
 554         .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
 555         .mmu_version = 0x10 << 24,
 556         .mmu_bm = 0x00004000,
 557         .mmu_ctpr_mask = 0x007ffff0,
 558         .mmu_cxr_mask = 0x0000003f,
 559         .mmu_sfsr_mask = 0xffffffff,
 560         .mmu_trcr_mask = 0xffffffff,
 561         .nwindows = 8,
 562         .features = CPU_DEFAULT_FEATURES,
 563     },
 564     {
 565         .name = "LEON2",
 566         .iu_version = 0xf2000000,
 567         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 568         .mmu_version = 0xf2000000,
 569         .mmu_bm = 0x00004000,
 570         .mmu_ctpr_mask = 0x007ffff0,
 571         .mmu_cxr_mask = 0x0000003f,
 572         .mmu_sfsr_mask = 0xffffffff,
 573         .mmu_trcr_mask = 0xffffffff,
 574         .nwindows = 8,
 575         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
 576     },
 577     {
 578         .name = "LEON3",
 579         .iu_version = 0xf3000000,
 580         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 581         .mmu_version = 0xf3000000,
 582         .mmu_bm = 0x00000000,
 583         .mmu_ctpr_mask = 0xfffffffc,
 584         .mmu_cxr_mask = 0x000000ff,
 585         .mmu_sfsr_mask = 0xffffffff,
 586         .mmu_trcr_mask = 0xffffffff,
 587         .nwindows = 8,
 588         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
 589         CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN,
 590     },
 591 #endif
 592 };
 593
 594 static const char * const feature_name[] = {
 595     "float",
 596     "float128",
 597     "swap",
 598     "mul",
 599     "div",
 600     "flush",
 601     "fsqrt",
 602     "fmul",
 603     "vis1",
 604     "vis2",
 605     "fsmuld",
 606     "hypv",
 607     "cmt",
 608     "gl",
 609 };
 610
 611 static void print_features(FILE *f, fprintf_function cpu_fprintf,
 612                            uint32_t features, const char *prefix)
 613 {
 614     unsigned int i;
 615
 616     for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
 617         if (feature_name[i] && (features & (1 << i))) {
 618             if (prefix) {
 619                 (*cpu_fprintf)(f, "%s", prefix);
 620             }
 621             (*cpu_fprintf)(f, "%s ", feature_name[i]);
 622         }
 623     }
 624 }
 625
 626 static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
 627 {
 628     unsigned int i;
 629
 630     for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
 631         if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
 632             *features |= 1 << i;
 633             return;
 634         }
 635     }
 636     fprintf(stderr, "CPU feature %s not found\n", flagname);
 637 }
 638
 639 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
 640 {
 641     unsigned int i;
 642     const sparc_def_t *def = NULL;
 643     char *s = g_strdup(cpu_model);
 644     char *featurestr, *name = strtok(s, ",");
 645     uint32_t plus_features = 0;
 646     uint32_t minus_features = 0;
 647     uint64_t iu_version;
 648     uint32_t fpu_version, mmu_version, nwindows;
 649
 650     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
 651         if (strcasecmp(name, sparc_defs[i].name) == 0) {
 652             def = &sparc_defs[i];
 653         }
 654     }
 655     if (!def) {
 656         goto error;
 657     }
 658     memcpy(cpu_def, def, sizeof(*def));
 659
 660     featurestr = strtok(NULL, ",");
 661     while (featurestr) {
 662         char *val;
 663
 664         if (featurestr[0] == '+') {
 665             add_flagname_to_bitmaps(featurestr + 1, &plus_features);
 666         } else if (featurestr[0] == '-') {
 667             add_flagname_to_bitmaps(featurestr + 1, &minus_features);
 668         } else if ((val = strchr(featurestr, '='))) {
 669             *val = 0; val++;
 670             if (!strcmp(featurestr, "iu_version")) {
 671                 char *err;
 672
 673                 iu_version = strtoll(val, &err, 0);
 674                 if (!*val || *err) {
 675                     fprintf(stderr, "bad numerical value %s\n", val);
 676                     goto error;
 677                 }
 678                 cpu_def->iu_version = iu_version;
 679 #ifdef DEBUG_FEATURES
 680                 fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version);
 681 #endif
 682             } else if (!strcmp(featurestr, "fpu_version")) {
 683                 char *err;
 684
 685                 fpu_version = strtol(val, &err, 0);
 686                 if (!*val || *err) {
 687                     fprintf(stderr, "bad numerical value %s\n", val);
 688                     goto error;
 689                 }
 690                 cpu_def->fpu_version = fpu_version;
 691 #ifdef DEBUG_FEATURES
 692                 fprintf(stderr, "fpu_version %x\n", fpu_version);
 693 #endif
 694             } else if (!strcmp(featurestr, "mmu_version")) {
 695                 char *err;
 696
 697                 mmu_version = strtol(val, &err, 0);
 698                 if (!*val || *err) {
 699                     fprintf(stderr, "bad numerical value %s\n", val);
 700                     goto error;
 701                 }
 702                 cpu_def->mmu_version = mmu_version;
 703 #ifdef DEBUG_FEATURES
 704                 fprintf(stderr, "mmu_version %x\n", mmu_version);
 705 #endif
 706             } else if (!strcmp(featurestr, "nwindows")) {
 707                 char *err;
 708
 709                 nwindows = strtol(val, &err, 0);
 710                 if (!*val || *err || nwindows > MAX_NWINDOWS ||
 711                     nwindows < MIN_NWINDOWS) {
 712                     fprintf(stderr, "bad numerical value %s\n", val);
 713                     goto error;
 714                 }
 715                 cpu_def->nwindows = nwindows;
 716 #ifdef DEBUG_FEATURES
 717                 fprintf(stderr, "nwindows %d\n", nwindows);
 718 #endif
 719             } else {
 720                 fprintf(stderr, "unrecognized feature %s\n", featurestr);
 721                 goto error;
 722             }
 723         } else {
 724             fprintf(stderr, "feature string `%s' not in format "
 725                     "(+feature|-feature|feature=xyz)\n", featurestr);
 726             goto error;
 727         }
 728         featurestr = strtok(NULL, ",");
 729     }
 730     cpu_def->features |= plus_features;
 731     cpu_def->features &= ~minus_features;
 732 #ifdef DEBUG_FEATURES
 733     print_features(stderr, fprintf, cpu_def->features, NULL);
 734 #endif
 735     g_free(s);
 736     return 0;
 737
 738  error:
 739     free(s);
 740     return -1;
 741 }
 742
 743 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
 744 {
 745     unsigned int i;
 746
 747     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
 748         (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
 749                        " FPU %08x MMU %08x NWINS %d ",
 750                        sparc_defs[i].name,
 751                        sparc_defs[i].iu_version,
 752                        sparc_defs[i].fpu_version,
 753                        sparc_defs[i].mmu_version,
 754                        sparc_defs[i].nwindows);
 755         print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
 756                        ~sparc_defs[i].features, "-");
 757         print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
 758                        sparc_defs[i].features, "+");
 759         (*cpu_fprintf)(f, "\n");
 760     }
 761     (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
 762     print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
 763     (*cpu_fprintf)(f, "\n");
 764     (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
 765     print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
 766     (*cpu_fprintf)(f, "\n");
 767     (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
 768                    "fpu_version mmu_version nwindows\n");
 769 }
 770
 771 static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
 772                          uint32_t cc)
 773 {
 774     cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
 775                 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
 776                 cc & PSR_CARRY ? 'C' : '-');
 777 }
 778
 779 #ifdef TARGET_SPARC64
 780 #define REGS_PER_LINE 4
 781 #else
 782 #define REGS_PER_LINE 8
 783 #endif
 784
 785 void cpu_dump_state(CPUSPARCState *env, FILE *f, fprintf_function cpu_fprintf,
 786                     int flags)
 787 {
 788     int i, x;
 789
 790     cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
 791                 env->npc);
 792
 793     for (i = 0; i < 8; i++) {
 794         if (i % REGS_PER_LINE == 0) {
 795             cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
 796         }
 797         cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
 798         if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
 799             cpu_fprintf(f, "\n");
 800         }
 801     }
 802     for (x = 0; x < 3; x++) {
 803         for (i = 0; i < 8; i++) {
 804             if (i % REGS_PER_LINE == 0) {
 805                 cpu_fprintf(f, "%%%c%d-%d: ",
 806                             x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
 807                             i, i + REGS_PER_LINE - 1);
 808             }
 809             cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
 810             if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
 811                 cpu_fprintf(f, "\n");
 812             }
 813         }
 814     }
 815
 816     for (i = 0; i < TARGET_DPREGS; i++) {
 817         if ((i & 3) == 0) {
 818             cpu_fprintf(f, "%%f%02d: ", i * 2);
 819         }
 820         cpu_fprintf(f, " %016" PRIx64, env->fpr[i].ll);
 821         if ((i & 3) == 3) {
 822             cpu_fprintf(f, "\n");
 823         }
 824     }
 825 #ifdef TARGET_SPARC64
 826     cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
 827                 (unsigned)cpu_get_ccr(env));
 828     cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
 829     cpu_fprintf(f, " xcc: ");
 830     cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
 831     cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
 832                 env->psrpil);
 833     cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
 834                 "cleanwin: %d cwp: %d\n",
 835                 env->cansave, env->canrestore, env->otherwin, env->wstate,
 836                 env->cleanwin, env->nwindows - 1 - env->cwp);
 837     cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
 838                 TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
 839 #else
 840     cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
 841     cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
 842     cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
 843                 env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
 844                 env->wim);
 845     cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
 846                 env->fsr, env->y);
 847 #endif
 848     cpu_fprintf(f, "\n");
 849 }
 850
 851 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp)
 852 {
 853     SPARCCPU *cpu = SPARC_CPU(dev);
 854     SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev);
 855
 856     qemu_init_vcpu(&cpu->env);
 857
 858     scc->parent_realize(dev, errp);
 859 }
 860
 861 static void sparc_cpu_initfn(Object *obj)
 862 {
 863     CPUState *cs = CPU(obj);
 864     SPARCCPU *cpu = SPARC_CPU(obj);
 865     CPUSPARCState *env = &cpu->env;
 866
 867     cs->env_ptr = env;
 868     cpu_exec_init(env);
 869
 870     if (tcg_enabled()) {
 871         gen_intermediate_code_init(env);
 872     }
 873 }
 874
 875 static void sparc_cpu_uninitfn(Object *obj)
 876 {
 877     SPARCCPU *cpu = SPARC_CPU(obj);
 878     CPUSPARCState *env = &cpu->env;
 879
 880     g_free(env->def);
 881 }
 882
 883 static void sparc_cpu_class_init(ObjectClass *oc, void *data)
 884 {
 885     SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
 886     CPUClass *cc = CPU_CLASS(oc);
 887     DeviceClass *dc = DEVICE_CLASS(oc);
 888
 889     scc->parent_realize = dc->realize;
 890     dc->realize = sparc_cpu_realizefn;
 891
 892     scc->parent_reset = cc->reset;
 893     cc->reset = sparc_cpu_reset;
 894 }
 895
 896 static const TypeInfo sparc_cpu_type_info = {
 897     .name = TYPE_SPARC_CPU,
 898     .parent = TYPE_CPU,
 899     .instance_size = sizeof(SPARCCPU),
 900     .instance_init = sparc_cpu_initfn,
 901     .instance_finalize = sparc_cpu_uninitfn,
 902     .abstract = false,
 903     .class_size = sizeof(SPARCCPUClass),
 904     .class_init = sparc_cpu_class_init,
 905 };
 906
 907 static void sparc_cpu_register_types(void)
 908 {
 909     type_register_static(&sparc_cpu_type_info);
 910 }
 911
 912 type_init(sparc_cpu_register_types)