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 "qemu/osdep.h"
  21 #include "qapi/error.h"
  22 #include "cpu.h"
  23 #include "qemu/error-report.h"
  24 #include "exec/exec-all.h"
  25 #include "hw/qdev-properties.h"
  26 #include "qapi/visitor.h"
  27
  28 //#define DEBUG_FEATURES
  29
  30 /* CPUClass::reset() */
  31 static void sparc_cpu_reset(CPUState *s)
  32 {
  33     SPARCCPU *cpu = SPARC_CPU(s);
  34     SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu);
  35     CPUSPARCState *env = &cpu->env;
  36
  37     scc->parent_reset(s);
  38
  39     memset(env, 0, offsetof(CPUSPARCState, end_reset_fields));
  40     env->cwp = 0;
  41 #ifndef TARGET_SPARC64
  42     env->wim = 1;
  43 #endif
  44     env->regwptr = env->regbase + (env->cwp * 16);
  45     CC_OP = CC_OP_FLAGS;
  46 #if defined(CONFIG_USER_ONLY)
  47 #ifdef TARGET_SPARC64
  48     env->cleanwin = env->nwindows - 2;
  49     env->cansave = env->nwindows - 2;
  50     env->pstate = PS_RMO | PS_PEF | PS_IE;
  51     env->asi = 0x82; /* Primary no-fault */
  52 #endif
  53 #else
  54 #if !defined(TARGET_SPARC64)
  55     env->psret = 0;
  56     env->psrs = 1;
  57     env->psrps = 1;
  58 #endif
  59 #ifdef TARGET_SPARC64
  60     env->pstate = PS_PRIV | PS_RED | PS_PEF;
  61     if (!cpu_has_hypervisor(env)) {
  62         env->pstate |= PS_AG;
  63     }
  64     env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
  65     env->tl = env->maxtl;
  66     env->gl = 2;
  67     cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
  68     env->lsu = 0;
  69 #else
  70     env->mmuregs[0] &= ~(MMU_E | MMU_NF);
  71     env->mmuregs[0] |= env->def.mmu_bm;
  72 #endif
  73     env->pc = 0;
  74     env->npc = env->pc + 4;
  75 #endif
  76     env->cache_control = 0;
  77 }
  78
  79 static bool sparc_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
  80 {
  81     if (interrupt_request & CPU_INTERRUPT_HARD) {
  82         SPARCCPU *cpu = SPARC_CPU(cs);
  83         CPUSPARCState *env = &cpu->env;
  84
  85         if (cpu_interrupts_enabled(env) && env->interrupt_index > 0) {
  86             int pil = env->interrupt_index & 0xf;
  87             int type = env->interrupt_index & 0xf0;
  88
  89             if (type != TT_EXTINT || cpu_pil_allowed(env, pil)) {
  90                 cs->exception_index = env->interrupt_index;
  91                 sparc_cpu_do_interrupt(cs);
  92                 return true;
  93             }
  94         }
  95     }
  96     return false;
  97 }
  98
  99 static void cpu_sparc_disas_set_info(CPUState *cpu, disassemble_info *info)
 100 {
 101     info->print_insn = print_insn_sparc;
 102 #ifdef TARGET_SPARC64
 103     info->mach = bfd_mach_sparc_v9b;
 104 #endif
 105 }
 106
 107 static void
 108 cpu_add_feat_as_prop(const char *typename, const char *name, const char *val)
 109 {
 110     GlobalProperty *prop = g_new0(typeof(*prop), 1);
 111     prop->driver = typename;
 112     prop->property = g_strdup(name);
 113     prop->value = g_strdup(val);
 114     qdev_prop_register_global(prop);
 115 }
 116
 117 /* Parse "+feature,-feature,feature=foo" CPU feature string */
 118 static void sparc_cpu_parse_features(const char *typename, char *features,
 119                                      Error **errp)
 120 {
 121     GList *l, *plus_features = NULL, *minus_features = NULL;
 122     char *featurestr; /* Single 'key=value" string being parsed */
 123     static bool cpu_globals_initialized;
 124
 125     if (cpu_globals_initialized) {
 126         return;
 127     }
 128     cpu_globals_initialized = true;
 129
 130     if (!features) {
 131         return;
 132     }
 133
 134     for (featurestr = strtok(features, ",");
 135          featurestr;
 136          featurestr = strtok(NULL, ",")) {
 137         const char *name;
 138         const char *val = NULL;
 139         char *eq = NULL;
 140
 141         /* Compatibility syntax: */
 142         if (featurestr[0] == '+') {
 143             plus_features = g_list_append(plus_features,
 144                                           g_strdup(featurestr + 1));
 145             continue;
 146         } else if (featurestr[0] == '-') {
 147             minus_features = g_list_append(minus_features,
 148                                            g_strdup(featurestr + 1));
 149             continue;
 150         }
 151
 152         eq = strchr(featurestr, '=');
 153         name = featurestr;
 154         if (eq) {
 155             *eq++ = 0;
 156             val = eq;
 157
 158             /*
 159              * Temporarily, only +feat/-feat will be supported
 160              * for boolean properties until we remove the
 161              * minus-overrides-plus semantics and just follow
 162              * the order options appear on the command-line.
 163              *
 164              * TODO: warn if user is relying on minus-override-plus semantics
 165              * TODO: remove minus-override-plus semantics after
 166              *       warning for a few releases
 167              */
 168             if (!strcasecmp(val, "on") ||
 169                 !strcasecmp(val, "off") ||
 170                 !strcasecmp(val, "true") ||
 171                 !strcasecmp(val, "false")) {
 172                 error_setg(errp, "Boolean properties in format %s=%s"
 173                                  " are not supported", name, val);
 174                 return;
 175             }
 176         } else {
 177             error_setg(errp, "Unsupported property format: %s", name);
 178             return;
 179         }
 180         cpu_add_feat_as_prop(typename, name, val);
 181     }
 182
 183     for (l = plus_features; l; l = l->next) {
 184         const char *name = l->data;
 185         cpu_add_feat_as_prop(typename, name, "on");
 186     }
 187     g_list_free_full(plus_features, g_free);
 188
 189     for (l = minus_features; l; l = l->next) {
 190         const char *name = l->data;
 191         cpu_add_feat_as_prop(typename, name, "off");
 192     }
 193     g_list_free_full(minus_features, g_free);
 194 }
 195
 196 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
 197 {
 198 #if !defined(TARGET_SPARC64)
 199     env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
 200 #endif
 201 }
 202
 203 static const sparc_def_t sparc_defs[] = {
 204 #ifdef TARGET_SPARC64
 205     {
 206         .name = "Fujitsu Sparc64",
 207         .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
 208         .fpu_version = 0x00000000,
 209         .mmu_version = mmu_us_12,
 210         .nwindows = 4,
 211         .maxtl = 4,
 212         .features = CPU_DEFAULT_FEATURES,
 213     },
 214     {
 215         .name = "Fujitsu Sparc64 III",
 216         .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
 217         .fpu_version = 0x00000000,
 218         .mmu_version = mmu_us_12,
 219         .nwindows = 5,
 220         .maxtl = 4,
 221         .features = CPU_DEFAULT_FEATURES,
 222     },
 223     {
 224         .name = "Fujitsu Sparc64 IV",
 225         .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
 226         .fpu_version = 0x00000000,
 227         .mmu_version = mmu_us_12,
 228         .nwindows = 8,
 229         .maxtl = 5,
 230         .features = CPU_DEFAULT_FEATURES,
 231     },
 232     {
 233         .name = "Fujitsu Sparc64 V",
 234         .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
 235         .fpu_version = 0x00000000,
 236         .mmu_version = mmu_us_12,
 237         .nwindows = 8,
 238         .maxtl = 5,
 239         .features = CPU_DEFAULT_FEATURES,
 240     },
 241     {
 242         .name = "TI UltraSparc I",
 243         .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 244         .fpu_version = 0x00000000,
 245         .mmu_version = mmu_us_12,
 246         .nwindows = 8,
 247         .maxtl = 5,
 248         .features = CPU_DEFAULT_FEATURES,
 249     },
 250     {
 251         .name = "TI UltraSparc II",
 252         .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
 253         .fpu_version = 0x00000000,
 254         .mmu_version = mmu_us_12,
 255         .nwindows = 8,
 256         .maxtl = 5,
 257         .features = CPU_DEFAULT_FEATURES,
 258     },
 259     {
 260         .name = "TI UltraSparc IIi",
 261         .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
 262         .fpu_version = 0x00000000,
 263         .mmu_version = mmu_us_12,
 264         .nwindows = 8,
 265         .maxtl = 5,
 266         .features = CPU_DEFAULT_FEATURES,
 267     },
 268     {
 269         .name = "TI UltraSparc IIe",
 270         .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
 271         .fpu_version = 0x00000000,
 272         .mmu_version = mmu_us_12,
 273         .nwindows = 8,
 274         .maxtl = 5,
 275         .features = CPU_DEFAULT_FEATURES,
 276     },
 277     {
 278         .name = "Sun UltraSparc III",
 279         .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
 280         .fpu_version = 0x00000000,
 281         .mmu_version = mmu_us_12,
 282         .nwindows = 8,
 283         .maxtl = 5,
 284         .features = CPU_DEFAULT_FEATURES,
 285     },
 286     {
 287         .name = "Sun UltraSparc III Cu",
 288         .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
 289         .fpu_version = 0x00000000,
 290         .mmu_version = mmu_us_3,
 291         .nwindows = 8,
 292         .maxtl = 5,
 293         .features = CPU_DEFAULT_FEATURES,
 294     },
 295     {
 296         .name = "Sun UltraSparc IIIi",
 297         .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
 298         .fpu_version = 0x00000000,
 299         .mmu_version = mmu_us_12,
 300         .nwindows = 8,
 301         .maxtl = 5,
 302         .features = CPU_DEFAULT_FEATURES,
 303     },
 304     {
 305         .name = "Sun UltraSparc IV",
 306         .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
 307         .fpu_version = 0x00000000,
 308         .mmu_version = mmu_us_4,
 309         .nwindows = 8,
 310         .maxtl = 5,
 311         .features = CPU_DEFAULT_FEATURES,
 312     },
 313     {
 314         .name = "Sun UltraSparc IV+",
 315         .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
 316         .fpu_version = 0x00000000,
 317         .mmu_version = mmu_us_12,
 318         .nwindows = 8,
 319         .maxtl = 5,
 320         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
 321     },
 322     {
 323         .name = "Sun UltraSparc IIIi+",
 324         .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
 325         .fpu_version = 0x00000000,
 326         .mmu_version = mmu_us_3,
 327         .nwindows = 8,
 328         .maxtl = 5,
 329         .features = CPU_DEFAULT_FEATURES,
 330     },
 331     {
 332         .name = "Sun UltraSparc T1",
 333         /* defined in sparc_ifu_fdp.v and ctu.h */
 334         .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
 335         .fpu_version = 0x00000000,
 336         .mmu_version = mmu_sun4v,
 337         .nwindows = 8,
 338         .maxtl = 6,
 339         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 340         | CPU_FEATURE_GL,
 341     },
 342     {
 343         .name = "Sun UltraSparc T2",
 344         /* defined in tlu_asi_ctl.v and n2_revid_cust.v */
 345         .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
 346         .fpu_version = 0x00000000,
 347         .mmu_version = mmu_sun4v,
 348         .nwindows = 8,
 349         .maxtl = 6,
 350         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 351         | CPU_FEATURE_GL,
 352     },
 353     {
 354         .name = "NEC UltraSparc I",
 355         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 356         .fpu_version = 0x00000000,
 357         .mmu_version = mmu_us_12,
 358         .nwindows = 8,
 359         .maxtl = 5,
 360         .features = CPU_DEFAULT_FEATURES,
 361     },
 362 #else
 363     {
 364         .name = "Fujitsu MB86904",
 365         .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
 366         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 367         .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
 368         .mmu_bm = 0x00004000,
 369         .mmu_ctpr_mask = 0x00ffffc0,
 370         .mmu_cxr_mask = 0x000000ff,
 371         .mmu_sfsr_mask = 0x00016fff,
 372         .mmu_trcr_mask = 0x00ffffff,
 373         .nwindows = 8,
 374         .features = CPU_DEFAULT_FEATURES,
 375     },
 376     {
 377         .name = "Fujitsu MB86907",
 378         .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
 379         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 380         .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
 381         .mmu_bm = 0x00004000,
 382         .mmu_ctpr_mask = 0xffffffc0,
 383         .mmu_cxr_mask = 0x000000ff,
 384         .mmu_sfsr_mask = 0x00016fff,
 385         .mmu_trcr_mask = 0xffffffff,
 386         .nwindows = 8,
 387         .features = CPU_DEFAULT_FEATURES,
 388     },
 389     {
 390         .name = "TI MicroSparc I",
 391         .iu_version = 0x41000000,
 392         .fpu_version = 4 << 17,
 393         .mmu_version = 0x41000000,
 394         .mmu_bm = 0x00004000,
 395         .mmu_ctpr_mask = 0x007ffff0,
 396         .mmu_cxr_mask = 0x0000003f,
 397         .mmu_sfsr_mask = 0x00016fff,
 398         .mmu_trcr_mask = 0x0000003f,
 399         .nwindows = 7,
 400         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
 401         CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
 402         CPU_FEATURE_FMUL,
 403     },
 404     {
 405         .name = "TI MicroSparc II",
 406         .iu_version = 0x42000000,
 407         .fpu_version = 4 << 17,
 408         .mmu_version = 0x02000000,
 409         .mmu_bm = 0x00004000,
 410         .mmu_ctpr_mask = 0x00ffffc0,
 411         .mmu_cxr_mask = 0x000000ff,
 412         .mmu_sfsr_mask = 0x00016fff,
 413         .mmu_trcr_mask = 0x00ffffff,
 414         .nwindows = 8,
 415         .features = CPU_DEFAULT_FEATURES,
 416     },
 417     {
 418         .name = "TI MicroSparc IIep",
 419         .iu_version = 0x42000000,
 420         .fpu_version = 4 << 17,
 421         .mmu_version = 0x04000000,
 422         .mmu_bm = 0x00004000,
 423         .mmu_ctpr_mask = 0x00ffffc0,
 424         .mmu_cxr_mask = 0x000000ff,
 425         .mmu_sfsr_mask = 0x00016bff,
 426         .mmu_trcr_mask = 0x00ffffff,
 427         .nwindows = 8,
 428         .features = CPU_DEFAULT_FEATURES,
 429     },
 430     {
 431         .name = "TI SuperSparc 40", /* STP1020NPGA */
 432         .iu_version = 0x41000000, /* SuperSPARC 2.x */
 433         .fpu_version = 0 << 17,
 434         .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */
 435         .mmu_bm = 0x00002000,
 436         .mmu_ctpr_mask = 0xffffffc0,
 437         .mmu_cxr_mask = 0x0000ffff,
 438         .mmu_sfsr_mask = 0xffffffff,
 439         .mmu_trcr_mask = 0xffffffff,
 440         .nwindows = 8,
 441         .features = CPU_DEFAULT_FEATURES,
 442     },
 443     {
 444         .name = "TI SuperSparc 50", /* STP1020PGA */
 445         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 446         .fpu_version = 0 << 17,
 447         .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
 448         .mmu_bm = 0x00002000,
 449         .mmu_ctpr_mask = 0xffffffc0,
 450         .mmu_cxr_mask = 0x0000ffff,
 451         .mmu_sfsr_mask = 0xffffffff,
 452         .mmu_trcr_mask = 0xffffffff,
 453         .nwindows = 8,
 454         .features = CPU_DEFAULT_FEATURES,
 455     },
 456     {
 457         .name = "TI SuperSparc 51",
 458         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 459         .fpu_version = 0 << 17,
 460         .mmu_version = 0x01000000, /* SuperSPARC 3.x, 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         .mxcc_version = 0x00000104,
 467         .nwindows = 8,
 468         .features = CPU_DEFAULT_FEATURES,
 469     },
 470     {
 471         .name = "TI SuperSparc 60", /* STP1020APGA */
 472         .iu_version = 0x40000000, /* SuperSPARC 3.x */
 473         .fpu_version = 0 << 17,
 474         .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
 475         .mmu_bm = 0x00002000,
 476         .mmu_ctpr_mask = 0xffffffc0,
 477         .mmu_cxr_mask = 0x0000ffff,
 478         .mmu_sfsr_mask = 0xffffffff,
 479         .mmu_trcr_mask = 0xffffffff,
 480         .nwindows = 8,
 481         .features = CPU_DEFAULT_FEATURES,
 482     },
 483     {
 484         .name = "TI SuperSparc 61",
 485         .iu_version = 0x44000000, /* SuperSPARC 3.x */
 486         .fpu_version = 0 << 17,
 487         .mmu_version = 0x01000000, /* SuperSPARC 3.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 = "TI SuperSparc II",
 499         .iu_version = 0x40000000, /* SuperSPARC II 1.x */
 500         .fpu_version = 0 << 17,
 501         .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */
 502         .mmu_bm = 0x00002000,
 503         .mmu_ctpr_mask = 0xffffffc0,
 504         .mmu_cxr_mask = 0x0000ffff,
 505         .mmu_sfsr_mask = 0xffffffff,
 506         .mmu_trcr_mask = 0xffffffff,
 507         .mxcc_version = 0x00000104,
 508         .nwindows = 8,
 509         .features = CPU_DEFAULT_FEATURES,
 510     },
 511     {
 512         .name = "LEON2",
 513         .iu_version = 0xf2000000,
 514         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 515         .mmu_version = 0xf2000000,
 516         .mmu_bm = 0x00004000,
 517         .mmu_ctpr_mask = 0x007ffff0,
 518         .mmu_cxr_mask = 0x0000003f,
 519         .mmu_sfsr_mask = 0xffffffff,
 520         .mmu_trcr_mask = 0xffffffff,
 521         .nwindows = 8,
 522         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
 523     },
 524     {
 525         .name = "LEON3",
 526         .iu_version = 0xf3000000,
 527         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 528         .mmu_version = 0xf3000000,
 529         .mmu_bm = 0x00000000,
 530         .mmu_ctpr_mask = 0xfffffffc,
 531         .mmu_cxr_mask = 0x000000ff,
 532         .mmu_sfsr_mask = 0xffffffff,
 533         .mmu_trcr_mask = 0xffffffff,
 534         .nwindows = 8,
 535         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
 536         CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN |
 537         CPU_FEATURE_CASA,
 538     },
 539 #endif
 540 };
 541
 542 static const char * const feature_name[] = {
 543     "float",
 544     "float128",
 545     "swap",
 546     "mul",
 547     "div",
 548     "flush",
 549     "fsqrt",
 550     "fmul",
 551     "vis1",
 552     "vis2",
 553     "fsmuld",
 554     "hypv",
 555     "cmt",
 556     "gl",
 557 };
 558
 559 static void print_features(FILE *f, fprintf_function cpu_fprintf,
 560                            uint32_t features, const char *prefix)
 561 {
 562     unsigned int i;
 563
 564     for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
 565         if (feature_name[i] && (features & (1 << i))) {
 566             if (prefix) {
 567                 (*cpu_fprintf)(f, "%s", prefix);
 568             }
 569             (*cpu_fprintf)(f, "%s ", feature_name[i]);
 570         }
 571     }
 572 }
 573
 574 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
 575 {
 576     unsigned int i;
 577
 578     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
 579         (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
 580                        " FPU %08x MMU %08x NWINS %d ",
 581                        sparc_defs[i].name,
 582                        sparc_defs[i].iu_version,
 583                        sparc_defs[i].fpu_version,
 584                        sparc_defs[i].mmu_version,
 585                        sparc_defs[i].nwindows);
 586         print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
 587                        ~sparc_defs[i].features, "-");
 588         print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
 589                        sparc_defs[i].features, "+");
 590         (*cpu_fprintf)(f, "\n");
 591     }
 592     (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
 593     print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
 594     (*cpu_fprintf)(f, "\n");
 595     (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
 596     print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
 597     (*cpu_fprintf)(f, "\n");
 598     (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
 599                    "fpu_version mmu_version nwindows\n");
 600 }
 601
 602 static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
 603                          uint32_t cc)
 604 {
 605     cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
 606                 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
 607                 cc & PSR_CARRY ? 'C' : '-');
 608 }
 609
 610 #ifdef TARGET_SPARC64
 611 #define REGS_PER_LINE 4
 612 #else
 613 #define REGS_PER_LINE 8
 614 #endif
 615
 616 void sparc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
 617                           int flags)
 618 {
 619     SPARCCPU *cpu = SPARC_CPU(cs);
 620     CPUSPARCState *env = &cpu->env;
 621     int i, x;
 622
 623     cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
 624                 env->npc);
 625
 626     for (i = 0; i < 8; i++) {
 627         if (i % REGS_PER_LINE == 0) {
 628             cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
 629         }
 630         cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
 631         if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
 632             cpu_fprintf(f, "\n");
 633         }
 634     }
 635     for (x = 0; x < 3; x++) {
 636         for (i = 0; i < 8; i++) {
 637             if (i % REGS_PER_LINE == 0) {
 638                 cpu_fprintf(f, "%%%c%d-%d: ",
 639                             x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
 640                             i, i + REGS_PER_LINE - 1);
 641             }
 642             cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
 643             if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
 644                 cpu_fprintf(f, "\n");
 645             }
 646         }
 647     }
 648
 649     if (flags & CPU_DUMP_FPU) {
 650         for (i = 0; i < TARGET_DPREGS; i++) {
 651             if ((i & 3) == 0) {
 652                 cpu_fprintf(f, "%%f%02d: ", i * 2);
 653             }
 654             cpu_fprintf(f, " %016" PRIx64, env->fpr[i].ll);
 655             if ((i & 3) == 3) {
 656                 cpu_fprintf(f, "\n");
 657             }
 658         }
 659     }
 660
 661 #ifdef TARGET_SPARC64
 662     cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
 663                 (unsigned)cpu_get_ccr(env));
 664     cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
 665     cpu_fprintf(f, " xcc: ");
 666     cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
 667     cpu_fprintf(f, ") asi: %02x tl: %d pil: %x gl: %d\n", env->asi, env->tl,
 668                 env->psrpil, env->gl);
 669     cpu_fprintf(f, "tbr: " TARGET_FMT_lx " hpstate: " TARGET_FMT_lx " htba: "
 670                 TARGET_FMT_lx "\n", env->tbr, env->hpstate, env->htba);
 671     cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
 672                 "cleanwin: %d cwp: %d\n",
 673                 env->cansave, env->canrestore, env->otherwin, env->wstate,
 674                 env->cleanwin, env->nwindows - 1 - env->cwp);
 675     cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
 676                 TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
 677
 678 #else
 679     cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
 680     cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
 681     cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
 682                 env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
 683                 env->wim);
 684     cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
 685                 env->fsr, env->y);
 686 #endif
 687     cpu_fprintf(f, "\n");
 688 }
 689
 690 static void sparc_cpu_set_pc(CPUState *cs, vaddr value)
 691 {
 692     SPARCCPU *cpu = SPARC_CPU(cs);
 693
 694     cpu->env.pc = value;
 695     cpu->env.npc = value + 4;
 696 }
 697
 698 static void sparc_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
 699 {
 700     SPARCCPU *cpu = SPARC_CPU(cs);
 701
 702     cpu->env.pc = tb->pc;
 703     cpu->env.npc = tb->cs_base;
 704 }
 705
 706 static bool sparc_cpu_has_work(CPUState *cs)
 707 {
 708     SPARCCPU *cpu = SPARC_CPU(cs);
 709     CPUSPARCState *env = &cpu->env;
 710
 711     return (cs->interrupt_request & CPU_INTERRUPT_HARD) &&
 712            cpu_interrupts_enabled(env);
 713 }
 714
 715 static char *sparc_cpu_type_name(const char *cpu_model)
 716 {
 717     char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model);
 718     char *s = name;
 719
 720     /* SPARC cpu model names happen to have whitespaces,
 721      * as type names shouldn't have spaces replace them with '-'
 722      */
 723     while ((s = strchr(s, ' '))) {
 724         *s = '-';
 725     }
 726
 727     return name;
 728 }
 729
 730 static ObjectClass *sparc_cpu_class_by_name(const char *cpu_model)
 731 {
 732     ObjectClass *oc;
 733     char *typename;
 734
 735     typename = sparc_cpu_type_name(cpu_model);
 736     oc = object_class_by_name(typename);
 737     g_free(typename);
 738     return oc;
 739 }
 740
 741 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp)
 742 {
 743     CPUState *cs = CPU(dev);
 744     SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev);
 745     Error *local_err = NULL;
 746     SPARCCPU *cpu = SPARC_CPU(dev);
 747     CPUSPARCState *env = &cpu->env;
 748
 749 #if defined(CONFIG_USER_ONLY)
 750     if ((env->def.features & CPU_FEATURE_FLOAT)) {
 751         env->def.features |= CPU_FEATURE_FLOAT128;
 752     }
 753 #endif
 754
 755     env->version = env->def.iu_version;
 756     env->fsr = env->def.fpu_version;
 757     env->nwindows = env->def.nwindows;
 758 #if !defined(TARGET_SPARC64)
 759     env->mmuregs[0] |= env->def.mmu_version;
 760     cpu_sparc_set_id(env, 0);
 761     env->mxccregs[7] |= env->def.mxcc_version;
 762 #else
 763     env->mmu_version = env->def.mmu_version;
 764     env->maxtl = env->def.maxtl;
 765     env->version |= env->def.maxtl << 8;
 766     env->version |= env->def.nwindows - 1;
 767 #endif
 768
 769     cpu_exec_realizefn(cs, &local_err);
 770     if (local_err != NULL) {
 771         error_propagate(errp, local_err);
 772         return;
 773     }
 774
 775     qemu_init_vcpu(cs);
 776
 777     scc->parent_realize(dev, errp);
 778 }
 779
 780 static void sparc_cpu_initfn(Object *obj)
 781 {
 782     CPUState *cs = CPU(obj);
 783     SPARCCPU *cpu = SPARC_CPU(obj);
 784     SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(obj);
 785     CPUSPARCState *env = &cpu->env;
 786
 787     cs->env_ptr = env;
 788
 789     if (scc->cpu_def) {
 790         env->def = *scc->cpu_def;
 791     }
 792 }
 793
 794 static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name,
 795                                void *opaque, Error **errp)
 796 {
 797     SPARCCPU *cpu = SPARC_CPU(obj);
 798     int64_t value = cpu->env.def.nwindows;
 799
 800     visit_type_int(v, name, &value, errp);
 801 }
 802
 803 static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name,
 804                                void *opaque, Error **errp)
 805 {
 806     const int64_t min = MIN_NWINDOWS;
 807     const int64_t max = MAX_NWINDOWS;
 808     SPARCCPU *cpu = SPARC_CPU(obj);
 809     Error *err = NULL;
 810     int64_t value;
 811
 812     visit_type_int(v, name, &value, &err);
 813     if (err) {
 814         error_propagate(errp, err);
 815         return;
 816     }
 817
 818     if (value < min || value > max) {
 819         error_setg(errp, "Property %s.%s doesn't take value %" PRId64
 820                    " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
 821                    object_get_typename(obj), name ? name : "null",
 822                    value, min, max);
 823         return;
 824     }
 825     cpu->env.def.nwindows = value;
 826 }
 827
 828 static PropertyInfo qdev_prop_nwindows = {
 829     .name  = "int",
 830     .get   = sparc_get_nwindows,
 831     .set   = sparc_set_nwindows,
 832 };
 833
 834 static Property sparc_cpu_properties[] = {
 835     DEFINE_PROP_BIT("float",    SPARCCPU, env.def.features, 0, false),
 836     DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features, 1, false),
 837     DEFINE_PROP_BIT("swap",     SPARCCPU, env.def.features, 2, false),
 838     DEFINE_PROP_BIT("mul",      SPARCCPU, env.def.features, 3, false),
 839     DEFINE_PROP_BIT("div",      SPARCCPU, env.def.features, 4, false),
 840     DEFINE_PROP_BIT("flush",    SPARCCPU, env.def.features, 5, false),
 841     DEFINE_PROP_BIT("fsqrt",    SPARCCPU, env.def.features, 6, false),
 842     DEFINE_PROP_BIT("fmul",     SPARCCPU, env.def.features, 7, false),
 843     DEFINE_PROP_BIT("vis1",     SPARCCPU, env.def.features, 8, false),
 844     DEFINE_PROP_BIT("vis2",     SPARCCPU, env.def.features, 9, false),
 845     DEFINE_PROP_BIT("fsmuld",   SPARCCPU, env.def.features, 10, false),
 846     DEFINE_PROP_BIT("hypv",     SPARCCPU, env.def.features, 11, false),
 847     DEFINE_PROP_BIT("cmt",      SPARCCPU, env.def.features, 12, false),
 848     DEFINE_PROP_BIT("gl",       SPARCCPU, env.def.features, 13, false),
 849     DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0,
 850                          qdev_prop_uint64, target_ulong),
 851     DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0),
 852     DEFINE_PROP_UINT32("mmu-version", SPARCCPU, env.def.mmu_version, 0),
 853     { .name  = "nwindows", .info  = &qdev_prop_nwindows },
 854     DEFINE_PROP_END_OF_LIST()
 855 };
 856
 857 static void sparc_cpu_class_init(ObjectClass *oc, void *data)
 858 {
 859     SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
 860     CPUClass *cc = CPU_CLASS(oc);
 861     DeviceClass *dc = DEVICE_CLASS(oc);
 862
 863     device_class_set_parent_realize(dc, sparc_cpu_realizefn,
 864                                     &scc->parent_realize);
 865     dc->props = sparc_cpu_properties;
 866
 867     scc->parent_reset = cc->reset;
 868     cc->reset = sparc_cpu_reset;
 869
 870     cc->class_by_name = sparc_cpu_class_by_name;
 871     cc->parse_features = sparc_cpu_parse_features;
 872     cc->has_work = sparc_cpu_has_work;
 873     cc->do_interrupt = sparc_cpu_do_interrupt;
 874     cc->cpu_exec_interrupt = sparc_cpu_exec_interrupt;
 875     cc->dump_state = sparc_cpu_dump_state;
 876 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
 877     cc->memory_rw_debug = sparc_cpu_memory_rw_debug;
 878 #endif
 879     cc->set_pc = sparc_cpu_set_pc;
 880     cc->synchronize_from_tb = sparc_cpu_synchronize_from_tb;
 881     cc->gdb_read_register = sparc_cpu_gdb_read_register;
 882     cc->gdb_write_register = sparc_cpu_gdb_write_register;
 883 #ifdef CONFIG_USER_ONLY
 884     cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault;
 885 #else
 886     cc->do_unassigned_access = sparc_cpu_unassigned_access;
 887     cc->do_unaligned_access = sparc_cpu_do_unaligned_access;
 888     cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
 889     cc->vmsd = &vmstate_sparc_cpu;
 890 #endif
 891     cc->disas_set_info = cpu_sparc_disas_set_info;
 892     cc->tcg_initialize = sparc_tcg_init;
 893
 894 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
 895     cc->gdb_num_core_regs = 86;
 896 #else
 897     cc->gdb_num_core_regs = 72;
 898 #endif
 899 }
 900
 901 static const TypeInfo sparc_cpu_type_info = {
 902     .name = TYPE_SPARC_CPU,
 903     .parent = TYPE_CPU,
 904     .instance_size = sizeof(SPARCCPU),
 905     .instance_init = sparc_cpu_initfn,
 906     .abstract = true,
 907     .class_size = sizeof(SPARCCPUClass),
 908     .class_init = sparc_cpu_class_init,
 909 };
 910
 911 static void sparc_cpu_cpudef_class_init(ObjectClass *oc, void *data)
 912 {
 913     SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
 914     scc->cpu_def = data;
 915 }
 916
 917 static void sparc_register_cpudef_type(const struct sparc_def_t *def)
 918 {
 919     char *typename = sparc_cpu_type_name(def->name);
 920     TypeInfo ti = {
 921         .name = typename,
 922         .parent = TYPE_SPARC_CPU,
 923         .class_init = sparc_cpu_cpudef_class_init,
 924         .class_data = (void *)def,
 925     };
 926
 927     type_register(&ti);
 928     g_free(typename);
 929 }
 930
 931 static void sparc_cpu_register_types(void)
 932 {
 933     int i;
 934
 935     type_register_static(&sparc_cpu_type_info);
 936     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
 937         sparc_register_cpudef_type(&sparc_defs[i]);
 938     }
 939 }
 940
 941 type_init(sparc_cpu_register_types)