target-sparc/helper.c

   1 /*
   2  *  sparc 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 #include <stdarg.h>
  20 #include <stdlib.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <inttypes.h>
  24 #include <signal.h>
  25
  26 #include "cpu.h"
  27 #include "exec-all.h"
  28 #include "qemu-common.h"
  29
  30 //#define DEBUG_MMU
  31 //#define DEBUG_FEATURES
  32
  33 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
  34
  35 /* Sparc MMU emulation */
  36
  37 /* thread support */
  38
  39 static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
  40
  41 void cpu_lock(void)
  42 {
  43     spin_lock(&global_cpu_lock);
  44 }
  45
  46 void cpu_unlock(void)
  47 {
  48     spin_unlock(&global_cpu_lock);
  49 }
  50
  51 #if defined(CONFIG_USER_ONLY)
  52
  53 int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw,
  54                                int mmu_idx, int is_softmmu)
  55 {
  56     if (rw & 2)
  57         env1->exception_index = TT_TFAULT;
  58     else
  59         env1->exception_index = TT_DFAULT;
  60     return 1;
  61 }
  62
  63 #else
  64
  65 #ifndef TARGET_SPARC64
  66 /*
  67  * Sparc V8 Reference MMU (SRMMU)
  68  */
  69 static const int access_table[8][8] = {
  70     { 0, 0, 0, 0, 8, 0, 12, 12 },
  71     { 0, 0, 0, 0, 8, 0, 0, 0 },
  72     { 8, 8, 0, 0, 0, 8, 12, 12 },
  73     { 8, 8, 0, 0, 0, 8, 0, 0 },
  74     { 8, 0, 8, 0, 8, 8, 12, 12 },
  75     { 8, 0, 8, 0, 8, 0, 8, 0 },
  76     { 8, 8, 8, 0, 8, 8, 12, 12 },
  77     { 8, 8, 8, 0, 8, 8, 8, 0 }
  78 };
  79
  80 static const int perm_table[2][8] = {
  81     {
  82         PAGE_READ,
  83         PAGE_READ | PAGE_WRITE,
  84         PAGE_READ | PAGE_EXEC,
  85         PAGE_READ | PAGE_WRITE | PAGE_EXEC,
  86         PAGE_EXEC,
  87         PAGE_READ | PAGE_WRITE,
  88         PAGE_READ | PAGE_EXEC,
  89         PAGE_READ | PAGE_WRITE | PAGE_EXEC
  90     },
  91     {
  92         PAGE_READ,
  93         PAGE_READ | PAGE_WRITE,
  94         PAGE_READ | PAGE_EXEC,
  95         PAGE_READ | PAGE_WRITE | PAGE_EXEC,
  96         PAGE_EXEC,
  97         PAGE_READ,
  98         0,
  99         0,
 100     }
 101 };
 102
 103 static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
 104                                 int *prot, int *access_index,
 105                                 target_ulong address, int rw, int mmu_idx)
 106 {
 107     int access_perms = 0;
 108     target_phys_addr_t pde_ptr;
 109     uint32_t pde;
 110     target_ulong virt_addr;
 111     int error_code = 0, is_dirty, is_user;
 112     unsigned long page_offset;
 113
 114     is_user = mmu_idx == MMU_USER_IDX;
 115     virt_addr = address & TARGET_PAGE_MASK;
 116
 117     if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
 118         // Boot mode: instruction fetches are taken from PROM
 119         if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
 120             *physical = env->prom_addr | (address & 0x7ffffULL);
 121             *prot = PAGE_READ | PAGE_EXEC;
 122             return 0;
 123         }
 124         *physical = address;
 125         *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
 126         return 0;
 127     }
 128
 129     *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
 130     *physical = 0xffffffffffff0000ULL;
 131
 132     /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
 133     /* Context base + context number */
 134     pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
 135     pde = ldl_phys(pde_ptr);
 136
 137     /* Ctx pde */
 138     switch (pde & PTE_ENTRYTYPE_MASK) {
 139     default:
 140     case 0: /* Invalid */
 141         return 1 << 2;
 142     case 2: /* L0 PTE, maybe should not happen? */
 143     case 3: /* Reserved */
 144         return 4 << 2;
 145     case 1: /* L0 PDE */
 146         pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
 147         pde = ldl_phys(pde_ptr);
 148
 149         switch (pde & PTE_ENTRYTYPE_MASK) {
 150         default:
 151         case 0: /* Invalid */
 152             return (1 << 8) | (1 << 2);
 153         case 3: /* Reserved */
 154             return (1 << 8) | (4 << 2);
 155         case 1: /* L1 PDE */
 156             pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
 157             pde = ldl_phys(pde_ptr);
 158
 159             switch (pde & PTE_ENTRYTYPE_MASK) {
 160             default:
 161             case 0: /* Invalid */
 162                 return (2 << 8) | (1 << 2);
 163             case 3: /* Reserved */
 164                 return (2 << 8) | (4 << 2);
 165             case 1: /* L2 PDE */
 166                 pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
 167                 pde = ldl_phys(pde_ptr);
 168
 169                 switch (pde & PTE_ENTRYTYPE_MASK) {
 170                 default:
 171                 case 0: /* Invalid */
 172                     return (3 << 8) | (1 << 2);
 173                 case 1: /* PDE, should not happen */
 174                 case 3: /* Reserved */
 175                     return (3 << 8) | (4 << 2);
 176                 case 2: /* L3 PTE */
 177                     virt_addr = address & TARGET_PAGE_MASK;
 178                     page_offset = (address & TARGET_PAGE_MASK) &
 179                         (TARGET_PAGE_SIZE - 1);
 180                 }
 181                 break;
 182             case 2: /* L2 PTE */
 183                 virt_addr = address & ~0x3ffff;
 184                 page_offset = address & 0x3ffff;
 185             }
 186             break;
 187         case 2: /* L1 PTE */
 188             virt_addr = address & ~0xffffff;
 189             page_offset = address & 0xffffff;
 190         }
 191     }
 192
 193     /* update page modified and dirty bits */
 194     is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
 195     if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
 196         pde |= PG_ACCESSED_MASK;
 197         if (is_dirty)
 198             pde |= PG_MODIFIED_MASK;
 199         stl_phys_notdirty(pde_ptr, pde);
 200     }
 201     /* check access */
 202     access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT;
 203     error_code = access_table[*access_index][access_perms];
 204     if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
 205         return error_code;
 206
 207     /* the page can be put in the TLB */
 208     *prot = perm_table[is_user][access_perms];
 209     if (!(pde & PG_MODIFIED_MASK)) {
 210         /* only set write access if already dirty... otherwise wait
 211            for dirty access */
 212         *prot &= ~PAGE_WRITE;
 213     }
 214
 215     /* Even if large ptes, we map only one 4KB page in the cache to
 216        avoid filling it too fast */
 217     *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
 218     return error_code;
 219 }
 220
 221 /* Perform address translation */
 222 int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
 223                               int mmu_idx, int is_softmmu)
 224 {
 225     target_phys_addr_t paddr;
 226     target_ulong vaddr;
 227     int error_code = 0, prot, ret = 0, access_index;
 228
 229     error_code = get_physical_address(env, &paddr, &prot, &access_index,
 230                                       address, rw, mmu_idx);
 231     if (error_code == 0) {
 232         vaddr = address & TARGET_PAGE_MASK;
 233         paddr &= TARGET_PAGE_MASK;
 234 #ifdef DEBUG_MMU
 235         printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
 236                TARGET_FMT_lx "\n", address, paddr, vaddr);
 237 #endif
 238         ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
 239         return ret;
 240     }
 241
 242     if (env->mmuregs[3]) /* Fault status register */
 243         env->mmuregs[3] = 1; /* overflow (not read before another fault) */
 244     env->mmuregs[3] |= (access_index << 5) | error_code | 2;
 245     env->mmuregs[4] = address; /* Fault address register */
 246
 247     if ((env->mmuregs[0] & MMU_NF) || env->psret == 0)  {
 248         // No fault mode: if a mapping is available, just override
 249         // permissions. If no mapping is available, redirect accesses to
 250         // neverland. Fake/overridden mappings will be flushed when
 251         // switching to normal mode.
 252         vaddr = address & TARGET_PAGE_MASK;
 253         prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
 254         ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
 255         return ret;
 256     } else {
 257         if (rw & 2)
 258             env->exception_index = TT_TFAULT;
 259         else
 260             env->exception_index = TT_DFAULT;
 261         return 1;
 262     }
 263 }
 264
 265 target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
 266 {
 267     target_phys_addr_t pde_ptr;
 268     uint32_t pde;
 269
 270     /* Context base + context number */
 271     pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) +
 272         (env->mmuregs[2] << 2);
 273     pde = ldl_phys(pde_ptr);
 274
 275     switch (pde & PTE_ENTRYTYPE_MASK) {
 276     default:
 277     case 0: /* Invalid */
 278     case 2: /* PTE, maybe should not happen? */
 279     case 3: /* Reserved */
 280         return 0;
 281     case 1: /* L1 PDE */
 282         if (mmulev == 3)
 283             return pde;
 284         pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
 285         pde = ldl_phys(pde_ptr);
 286
 287         switch (pde & PTE_ENTRYTYPE_MASK) {
 288         default:
 289         case 0: /* Invalid */
 290         case 3: /* Reserved */
 291             return 0;
 292         case 2: /* L1 PTE */
 293             return pde;
 294         case 1: /* L2 PDE */
 295             if (mmulev == 2)
 296                 return pde;
 297             pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
 298             pde = ldl_phys(pde_ptr);
 299
 300             switch (pde & PTE_ENTRYTYPE_MASK) {
 301             default:
 302             case 0: /* Invalid */
 303             case 3: /* Reserved */
 304                 return 0;
 305             case 2: /* L2 PTE */
 306                 return pde;
 307             case 1: /* L3 PDE */
 308                 if (mmulev == 1)
 309                     return pde;
 310                 pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
 311                 pde = ldl_phys(pde_ptr);
 312
 313                 switch (pde & PTE_ENTRYTYPE_MASK) {
 314                 default:
 315                 case 0: /* Invalid */
 316                 case 1: /* PDE, should not happen */
 317                 case 3: /* Reserved */
 318                     return 0;
 319                 case 2: /* L3 PTE */
 320                     return pde;
 321                 }
 322             }
 323         }
 324     }
 325     return 0;
 326 }
 327
 328 #ifdef DEBUG_MMU
 329 void dump_mmu(CPUState *env)
 330 {
 331     target_ulong va, va1, va2;
 332     unsigned int n, m, o;
 333     target_phys_addr_t pde_ptr, pa;
 334     uint32_t pde;
 335
 336     printf("MMU dump:\n");
 337     pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
 338     pde = ldl_phys(pde_ptr);
 339     printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
 340            (target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]);
 341     for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
 342         pde = mmu_probe(env, va, 2);
 343         if (pde) {
 344             pa = cpu_get_phys_page_debug(env, va);
 345             printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
 346                    " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
 347             for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
 348                 pde = mmu_probe(env, va1, 1);
 349                 if (pde) {
 350                     pa = cpu_get_phys_page_debug(env, va1);
 351                     printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
 352                            " PDE: " TARGET_FMT_lx "\n", va1, pa, pde);
 353                     for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
 354                         pde = mmu_probe(env, va2, 0);
 355                         if (pde) {
 356                             pa = cpu_get_phys_page_debug(env, va2);
 357                             printf("  VA: " TARGET_FMT_lx ", PA: "
 358                                    TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n",
 359                                    va2, pa, pde);
 360                         }
 361                     }
 362                 }
 363             }
 364         }
 365     }
 366     printf("MMU dump ends\n");
 367 }
 368 #endif /* DEBUG_MMU */
 369
 370 #else /* !TARGET_SPARC64 */
 371
 372 // 41 bit physical address space
 373 static inline target_phys_addr_t ultrasparc_truncate_physical(uint64_t x)
 374 {
 375     return x & 0x1ffffffffffULL;
 376 }
 377
 378 /*
 379  * UltraSparc IIi I/DMMUs
 380  */
 381
 382 static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask)
 383 {
 384     return (x & mask) == (y & mask);
 385 }
 386
 387 // Returns true if TTE tag is valid and matches virtual address value in context
 388 // requires virtual address mask value calculated from TTE entry size
 389 static inline int ultrasparc_tag_match(SparcTLBEntry *tlb,
 390                                        uint64_t address, uint64_t context,
 391                                        target_phys_addr_t *physical)
 392 {
 393     uint64_t mask;
 394
 395     switch ((tlb->tte >> 61) & 3) {
 396     default:
 397     case 0x0: // 8k
 398         mask = 0xffffffffffffe000ULL;
 399         break;
 400     case 0x1: // 64k
 401         mask = 0xffffffffffff0000ULL;
 402         break;
 403     case 0x2: // 512k
 404         mask = 0xfffffffffff80000ULL;
 405         break;
 406     case 0x3: // 4M
 407         mask = 0xffffffffffc00000ULL;
 408         break;
 409     }
 410
 411     // valid, context match, virtual address match?
 412     if (TTE_IS_VALID(tlb->tte) &&
 413             compare_masked(context, tlb->tag, 0x1fff) &&
 414             compare_masked(address, tlb->tag, mask))
 415     {
 416         // decode physical address
 417         *physical = ((tlb->tte & mask) | (address & ~mask)) & 0x1ffffffe000ULL;
 418         return 1;
 419     }
 420
 421     return 0;
 422 }
 423
 424 static int get_physical_address_data(CPUState *env,
 425                                      target_phys_addr_t *physical, int *prot,
 426                                      target_ulong address, int rw, int is_user)
 427 {
 428     unsigned int i;
 429     uint64_t context;
 430
 431     if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
 432         *physical = ultrasparc_truncate_physical(address);
 433         *prot = PAGE_READ | PAGE_WRITE;
 434         return 0;
 435     }
 436
 437     context = env->dmmu.mmu_primary_context & 0x1fff;
 438
 439     for (i = 0; i < 64; i++) {
 440         // ctx match, vaddr match, valid?
 441         if (ultrasparc_tag_match(&env->dtlb[i],
 442                                  address, context, physical)
 443         ) {
 444             // access ok?
 445             if (((env->dtlb[i].tte & 0x4) && is_user) ||
 446                 (!(env->dtlb[i].tte & 0x2) && (rw == 1))) {
 447                 uint8_t fault_type = 0;
 448
 449                 if ((env->dtlb[i].tte & 0x4) && is_user) {
 450                     fault_type |= 1; /* privilege violation */
 451                 }
 452
 453                 if (env->dmmu.sfsr & 1) /* Fault status register */
 454                     env->dmmu.sfsr = 2; /* overflow (not read before
 455                                              another fault) */
 456
 457                 env->dmmu.sfsr |= (is_user << 3) | ((rw == 1) << 2) | 1;
 458
 459                 env->dmmu.sfsr |= (fault_type << 7);
 460
 461                 env->dmmu.sfar = address; /* Fault address register */
 462                 env->exception_index = TT_DFAULT;
 463 #ifdef DEBUG_MMU
 464                 printf("DFAULT at 0x%" PRIx64 "\n", address);
 465 #endif
 466                 return 1;
 467             }
 468             *prot = PAGE_READ;
 469             if (env->dtlb[i].tte & 0x2)
 470                 *prot |= PAGE_WRITE;
 471             TTE_SET_USED(env->dtlb[i].tte);
 472             return 0;
 473         }
 474     }
 475 #ifdef DEBUG_MMU
 476     printf("DMISS at 0x%" PRIx64 "\n", address);
 477 #endif
 478     env->dmmu.tag_access = (address & ~0x1fffULL) | context;
 479     env->exception_index = TT_DMISS;
 480     return 1;
 481 }
 482
 483 static int get_physical_address_code(CPUState *env,
 484                                      target_phys_addr_t *physical, int *prot,
 485                                      target_ulong address, int is_user)
 486 {
 487     unsigned int i;
 488     uint64_t context;
 489
 490     if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) {
 491         /* IMMU disabled */
 492         *physical = ultrasparc_truncate_physical(address);
 493         *prot = PAGE_EXEC;
 494         return 0;
 495     }
 496
 497     context = env->dmmu.mmu_primary_context & 0x1fff;
 498
 499     for (i = 0; i < 64; i++) {
 500         // ctx match, vaddr match, valid?
 501         if (ultrasparc_tag_match(&env->itlb[i],
 502                                  address, context, physical)
 503         ) {
 504             // access ok?
 505             if ((env->itlb[i].tte & 0x4) && is_user) {
 506                 if (env->immu.sfsr) /* Fault status register */
 507                     env->immu.sfsr = 2; /* overflow (not read before
 508                                              another fault) */
 509                 env->immu.sfsr |= (is_user << 3) | 1;
 510                 env->exception_index = TT_TFAULT;
 511 #ifdef DEBUG_MMU
 512                 printf("TFAULT at 0x%" PRIx64 "\n", address);
 513 #endif
 514                 return 1;
 515             }
 516             *prot = PAGE_EXEC;
 517             TTE_SET_USED(env->itlb[i].tte);
 518             return 0;
 519         }
 520     }
 521 #ifdef DEBUG_MMU
 522     printf("TMISS at 0x%" PRIx64 "\n", address);
 523 #endif
 524     /* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
 525     env->immu.tag_access = (address & ~0x1fffULL) | context;
 526     env->exception_index = TT_TMISS;
 527     return 1;
 528 }
 529
 530 static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
 531                                 int *prot, int *access_index,
 532                                 target_ulong address, int rw, int mmu_idx)
 533 {
 534     int is_user = mmu_idx == MMU_USER_IDX;
 535
 536     if (rw == 2)
 537         return get_physical_address_code(env, physical, prot, address,
 538                                          is_user);
 539     else
 540         return get_physical_address_data(env, physical, prot, address, rw,
 541                                          is_user);
 542 }
 543
 544 /* Perform address translation */
 545 int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
 546                               int mmu_idx, int is_softmmu)
 547 {
 548     target_ulong virt_addr, vaddr;
 549     target_phys_addr_t paddr;
 550     int error_code = 0, prot, ret = 0, access_index;
 551
 552     error_code = get_physical_address(env, &paddr, &prot, &access_index,
 553                                       address, rw, mmu_idx);
 554     if (error_code == 0) {
 555         virt_addr = address & TARGET_PAGE_MASK;
 556         vaddr = virt_addr + ((address & TARGET_PAGE_MASK) &
 557                              (TARGET_PAGE_SIZE - 1));
 558 #ifdef DEBUG_MMU
 559         printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64
 560                "\n", address, paddr, vaddr);
 561 #endif
 562         ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
 563         return ret;
 564     }
 565     // XXX
 566     return 1;
 567 }
 568
 569 #ifdef DEBUG_MMU
 570 void dump_mmu(CPUState *env)
 571 {
 572     unsigned int i;
 573     const char *mask;
 574
 575     printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n",
 576            env->dmmu.mmu_primary_context, env->dmmu.mmu_secondary_context);
 577     if ((env->lsu & DMMU_E) == 0) {
 578         printf("DMMU disabled\n");
 579     } else {
 580         printf("DMMU dump:\n");
 581         for (i = 0; i < 64; i++) {
 582             switch ((env->dtlb[i].tte >> 61) & 3) {
 583             default:
 584             case 0x0:
 585                 mask = "  8k";
 586                 break;
 587             case 0x1:
 588                 mask = " 64k";
 589                 break;
 590             case 0x2:
 591                 mask = "512k";
 592                 break;
 593             case 0x3:
 594                 mask = "  4M";
 595                 break;
 596             }
 597             if ((env->dtlb[i].tte & 0x8000000000000000ULL) != 0) {
 598                 printf("[%02u] VA: %" PRIx64 ", PA: %" PRIx64
 599                        ", %s, %s, %s, %s, ctx %" PRId64 "\n",
 600                        i,
 601                        env->dtlb[i].tag & (uint64_t)~0x1fffULL,
 602                        env->dtlb[i].tte & (uint64_t)0x1ffffffe000ULL,
 603                        mask,
 604                        env->dtlb[i].tte & 0x4? "priv": "user",
 605                        env->dtlb[i].tte & 0x2? "RW": "RO",
 606                        env->dtlb[i].tte & 0x40? "locked": "unlocked",
 607                        env->dtlb[i].tag & (uint64_t)0x1fffULL);
 608             }
 609         }
 610     }
 611     if ((env->lsu & IMMU_E) == 0) {
 612         printf("IMMU disabled\n");
 613     } else {
 614         printf("IMMU dump:\n");
 615         for (i = 0; i < 64; i++) {
 616             switch ((env->itlb[i].tte >> 61) & 3) {
 617             default:
 618             case 0x0:
 619                 mask = "  8k";
 620                 break;
 621             case 0x1:
 622                 mask = " 64k";
 623                 break;
 624             case 0x2:
 625                 mask = "512k";
 626                 break;
 627             case 0x3:
 628                 mask = "  4M";
 629                 break;
 630             }
 631             if ((env->itlb[i].tte & 0x8000000000000000ULL) != 0) {
 632                 printf("[%02u] VA: %" PRIx64 ", PA: %" PRIx64
 633                        ", %s, %s, %s, ctx %" PRId64 "\n",
 634                        i,
 635                        env->itlb[i].tag & (uint64_t)~0x1fffULL,
 636                        env->itlb[i].tte & (uint64_t)0x1ffffffe000ULL,
 637                        mask,
 638                        env->itlb[i].tte & 0x4? "priv": "user",
 639                        env->itlb[i].tte & 0x40? "locked": "unlocked",
 640                        env->itlb[i].tag & (uint64_t)0x1fffULL);
 641             }
 642         }
 643     }
 644 }
 645 #endif /* DEBUG_MMU */
 646
 647 #endif /* TARGET_SPARC64 */
 648 #endif /* !CONFIG_USER_ONLY */
 649
 650
 651 #if defined(CONFIG_USER_ONLY)
 652 target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
 653 {
 654     return addr;
 655 }
 656
 657 #else
 658 target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
 659 {
 660     target_phys_addr_t phys_addr;
 661     int prot, access_index;
 662
 663     if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
 664                              MMU_KERNEL_IDX) != 0)
 665         if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
 666                                  0, MMU_KERNEL_IDX) != 0)
 667             return -1;
 668     if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
 669         return -1;
 670     return phys_addr;
 671 }
 672 #endif
 673
 674 void cpu_reset(CPUSPARCState *env)
 675 {
 676     if (qemu_loglevel_mask(CPU_LOG_RESET)) {
 677         qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
 678         log_cpu_state(env, 0);
 679     }
 680
 681     tlb_flush(env, 1);
 682     env->cwp = 0;
 683 #ifndef TARGET_SPARC64
 684     env->wim = 1;
 685 #endif
 686     env->regwptr = env->regbase + (env->cwp * 16);
 687     CC_OP = CC_OP_FLAGS;
 688 #if defined(CONFIG_USER_ONLY)
 689 #ifdef TARGET_SPARC64
 690     env->cleanwin = env->nwindows - 2;
 691     env->cansave = env->nwindows - 2;
 692     env->pstate = PS_RMO | PS_PEF | PS_IE;
 693     env->asi = 0x82; // Primary no-fault
 694 #endif
 695 #else
 696 #if !defined(TARGET_SPARC64)
 697     env->psret = 0;
 698 #endif
 699     env->psrs = 1;
 700     env->psrps = 1;
 701 #ifdef TARGET_SPARC64
 702     env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
 703     env->hpstate = HS_PRIV;
 704     env->tl = env->maxtl;
 705     cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
 706     env->lsu = 0;
 707 #else
 708     env->mmuregs[0] &= ~(MMU_E | MMU_NF);
 709     env->mmuregs[0] |= env->def->mmu_bm;
 710 #endif
 711     env->pc = 0;
 712     env->npc = env->pc + 4;
 713 #endif
 714 }
 715
 716 static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
 717 {
 718     sparc_def_t def1, *def = &def1;
 719
 720     if (cpu_sparc_find_by_name(def, cpu_model) < 0)
 721         return -1;
 722
 723     env->def = qemu_mallocz(sizeof(*def));
 724     memcpy(env->def, def, sizeof(*def));
 725 #if defined(CONFIG_USER_ONLY)
 726     if ((env->def->features & CPU_FEATURE_FLOAT))
 727         env->def->features |= CPU_FEATURE_FLOAT128;
 728 #endif
 729     env->cpu_model_str = cpu_model;
 730     env->version = def->iu_version;
 731     env->fsr = def->fpu_version;
 732     env->nwindows = def->nwindows;
 733 #if !defined(TARGET_SPARC64)
 734     env->mmuregs[0] |= def->mmu_version;
 735     cpu_sparc_set_id(env, 0);
 736     env->mxccregs[7] |= def->mxcc_version;
 737 #else
 738     env->mmu_version = def->mmu_version;
 739     env->maxtl = def->maxtl;
 740     env->version |= def->maxtl << 8;
 741     env->version |= def->nwindows - 1;
 742 #endif
 743     return 0;
 744 }
 745
 746 static void cpu_sparc_close(CPUSPARCState *env)
 747 {
 748     free(env->def);
 749     free(env);
 750 }
 751
 752 CPUSPARCState *cpu_sparc_init(const char *cpu_model)
 753 {
 754     CPUSPARCState *env;
 755
 756     env = qemu_mallocz(sizeof(CPUSPARCState));
 757     cpu_exec_init(env);
 758
 759     gen_intermediate_code_init(env);
 760
 761     if (cpu_sparc_register(env, cpu_model) < 0) {
 762         cpu_sparc_close(env);
 763         return NULL;
 764     }
 765     qemu_init_vcpu(env);
 766
 767     return env;
 768 }
 769
 770 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
 771 {
 772 #if !defined(TARGET_SPARC64)
 773     env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
 774 #endif
 775 }
 776
 777 static const sparc_def_t sparc_defs[] = {
 778 #ifdef TARGET_SPARC64
 779     {
 780         .name = "Fujitsu Sparc64",
 781         .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
 782         .fpu_version = 0x00000000,
 783         .mmu_version = mmu_us_12,
 784         .nwindows = 4,
 785         .maxtl = 4,
 786         .features = CPU_DEFAULT_FEATURES,
 787     },
 788     {
 789         .name = "Fujitsu Sparc64 III",
 790         .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
 791         .fpu_version = 0x00000000,
 792         .mmu_version = mmu_us_12,
 793         .nwindows = 5,
 794         .maxtl = 4,
 795         .features = CPU_DEFAULT_FEATURES,
 796     },
 797     {
 798         .name = "Fujitsu Sparc64 IV",
 799         .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
 800         .fpu_version = 0x00000000,
 801         .mmu_version = mmu_us_12,
 802         .nwindows = 8,
 803         .maxtl = 5,
 804         .features = CPU_DEFAULT_FEATURES,
 805     },
 806     {
 807         .name = "Fujitsu Sparc64 V",
 808         .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
 809         .fpu_version = 0x00000000,
 810         .mmu_version = mmu_us_12,
 811         .nwindows = 8,
 812         .maxtl = 5,
 813         .features = CPU_DEFAULT_FEATURES,
 814     },
 815     {
 816         .name = "TI UltraSparc I",
 817         .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 818         .fpu_version = 0x00000000,
 819         .mmu_version = mmu_us_12,
 820         .nwindows = 8,
 821         .maxtl = 5,
 822         .features = CPU_DEFAULT_FEATURES,
 823     },
 824     {
 825         .name = "TI UltraSparc II",
 826         .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
 827         .fpu_version = 0x00000000,
 828         .mmu_version = mmu_us_12,
 829         .nwindows = 8,
 830         .maxtl = 5,
 831         .features = CPU_DEFAULT_FEATURES,
 832     },
 833     {
 834         .name = "TI UltraSparc IIi",
 835         .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
 836         .fpu_version = 0x00000000,
 837         .mmu_version = mmu_us_12,
 838         .nwindows = 8,
 839         .maxtl = 5,
 840         .features = CPU_DEFAULT_FEATURES,
 841     },
 842     {
 843         .name = "TI UltraSparc IIe",
 844         .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
 845         .fpu_version = 0x00000000,
 846         .mmu_version = mmu_us_12,
 847         .nwindows = 8,
 848         .maxtl = 5,
 849         .features = CPU_DEFAULT_FEATURES,
 850     },
 851     {
 852         .name = "Sun UltraSparc III",
 853         .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
 854         .fpu_version = 0x00000000,
 855         .mmu_version = mmu_us_12,
 856         .nwindows = 8,
 857         .maxtl = 5,
 858         .features = CPU_DEFAULT_FEATURES,
 859     },
 860     {
 861         .name = "Sun UltraSparc III Cu",
 862         .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
 863         .fpu_version = 0x00000000,
 864         .mmu_version = mmu_us_3,
 865         .nwindows = 8,
 866         .maxtl = 5,
 867         .features = CPU_DEFAULT_FEATURES,
 868     },
 869     {
 870         .name = "Sun UltraSparc IIIi",
 871         .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
 872         .fpu_version = 0x00000000,
 873         .mmu_version = mmu_us_12,
 874         .nwindows = 8,
 875         .maxtl = 5,
 876         .features = CPU_DEFAULT_FEATURES,
 877     },
 878     {
 879         .name = "Sun UltraSparc IV",
 880         .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
 881         .fpu_version = 0x00000000,
 882         .mmu_version = mmu_us_4,
 883         .nwindows = 8,
 884         .maxtl = 5,
 885         .features = CPU_DEFAULT_FEATURES,
 886     },
 887     {
 888         .name = "Sun UltraSparc IV+",
 889         .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
 890         .fpu_version = 0x00000000,
 891         .mmu_version = mmu_us_12,
 892         .nwindows = 8,
 893         .maxtl = 5,
 894         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
 895     },
 896     {
 897         .name = "Sun UltraSparc IIIi+",
 898         .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
 899         .fpu_version = 0x00000000,
 900         .mmu_version = mmu_us_3,
 901         .nwindows = 8,
 902         .maxtl = 5,
 903         .features = CPU_DEFAULT_FEATURES,
 904     },
 905     {
 906         .name = "Sun UltraSparc T1",
 907         // defined in sparc_ifu_fdp.v and ctu.h
 908         .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
 909         .fpu_version = 0x00000000,
 910         .mmu_version = mmu_sun4v,
 911         .nwindows = 8,
 912         .maxtl = 6,
 913         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 914         | CPU_FEATURE_GL,
 915     },
 916     {
 917         .name = "Sun UltraSparc T2",
 918         // defined in tlu_asi_ctl.v and n2_revid_cust.v
 919         .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
 920         .fpu_version = 0x00000000,
 921         .mmu_version = mmu_sun4v,
 922         .nwindows = 8,
 923         .maxtl = 6,
 924         .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
 925         | CPU_FEATURE_GL,
 926     },
 927     {
 928         .name = "NEC UltraSparc I",
 929         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
 930         .fpu_version = 0x00000000,
 931         .mmu_version = mmu_us_12,
 932         .nwindows = 8,
 933         .maxtl = 5,
 934         .features = CPU_DEFAULT_FEATURES,
 935     },
 936 #else
 937     {
 938         .name = "Fujitsu MB86900",
 939         .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
 940         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 941         .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
 942         .mmu_bm = 0x00004000,
 943         .mmu_ctpr_mask = 0x007ffff0,
 944         .mmu_cxr_mask = 0x0000003f,
 945         .mmu_sfsr_mask = 0xffffffff,
 946         .mmu_trcr_mask = 0xffffffff,
 947         .nwindows = 7,
 948         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
 949     },
 950     {
 951         .name = "Fujitsu MB86904",
 952         .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
 953         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 954         .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
 955         .mmu_bm = 0x00004000,
 956         .mmu_ctpr_mask = 0x00ffffc0,
 957         .mmu_cxr_mask = 0x000000ff,
 958         .mmu_sfsr_mask = 0x00016fff,
 959         .mmu_trcr_mask = 0x00ffffff,
 960         .nwindows = 8,
 961         .features = CPU_DEFAULT_FEATURES,
 962     },
 963     {
 964         .name = "Fujitsu MB86907",
 965         .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
 966         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
 967         .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
 968         .mmu_bm = 0x00004000,
 969         .mmu_ctpr_mask = 0xffffffc0,
 970         .mmu_cxr_mask = 0x000000ff,
 971         .mmu_sfsr_mask = 0x00016fff,
 972         .mmu_trcr_mask = 0xffffffff,
 973         .nwindows = 8,
 974         .features = CPU_DEFAULT_FEATURES,
 975     },
 976     {
 977         .name = "LSI L64811",
 978         .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
 979         .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
 980         .mmu_version = 0x10 << 24,
 981         .mmu_bm = 0x00004000,
 982         .mmu_ctpr_mask = 0x007ffff0,
 983         .mmu_cxr_mask = 0x0000003f,
 984         .mmu_sfsr_mask = 0xffffffff,
 985         .mmu_trcr_mask = 0xffffffff,
 986         .nwindows = 8,
 987         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
 988         CPU_FEATURE_FSMULD,
 989     },
 990     {
 991         .name = "Cypress CY7C601",
 992         .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
 993         .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
 994         .mmu_version = 0x10 << 24,
 995         .mmu_bm = 0x00004000,
 996         .mmu_ctpr_mask = 0x007ffff0,
 997         .mmu_cxr_mask = 0x0000003f,
 998         .mmu_sfsr_mask = 0xffffffff,
 999         .mmu_trcr_mask = 0xffffffff,
1000         .nwindows = 8,
1001         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1002         CPU_FEATURE_FSMULD,
1003     },
1004     {
1005         .name = "Cypress CY7C611",
1006         .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
1007         .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1008         .mmu_version = 0x10 << 24,
1009         .mmu_bm = 0x00004000,
1010         .mmu_ctpr_mask = 0x007ffff0,
1011         .mmu_cxr_mask = 0x0000003f,
1012         .mmu_sfsr_mask = 0xffffffff,
1013         .mmu_trcr_mask = 0xffffffff,
1014         .nwindows = 8,
1015         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1016         CPU_FEATURE_FSMULD,
1017     },
1018     {
1019         .name = "TI MicroSparc I",
1020         .iu_version = 0x41000000,
1021         .fpu_version = 4 << 17,
1022         .mmu_version = 0x41000000,
1023         .mmu_bm = 0x00004000,
1024         .mmu_ctpr_mask = 0x007ffff0,
1025         .mmu_cxr_mask = 0x0000003f,
1026         .mmu_sfsr_mask = 0x00016fff,
1027         .mmu_trcr_mask = 0x0000003f,
1028         .nwindows = 7,
1029         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
1030         CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
1031         CPU_FEATURE_FMUL,
1032     },
1033     {
1034         .name = "TI MicroSparc II",
1035         .iu_version = 0x42000000,
1036         .fpu_version = 4 << 17,
1037         .mmu_version = 0x02000000,
1038         .mmu_bm = 0x00004000,
1039         .mmu_ctpr_mask = 0x00ffffc0,
1040         .mmu_cxr_mask = 0x000000ff,
1041         .mmu_sfsr_mask = 0x00016fff,
1042         .mmu_trcr_mask = 0x00ffffff,
1043         .nwindows = 8,
1044         .features = CPU_DEFAULT_FEATURES,
1045     },
1046     {
1047         .name = "TI MicroSparc IIep",
1048         .iu_version = 0x42000000,
1049         .fpu_version = 4 << 17,
1050         .mmu_version = 0x04000000,
1051         .mmu_bm = 0x00004000,
1052         .mmu_ctpr_mask = 0x00ffffc0,
1053         .mmu_cxr_mask = 0x000000ff,
1054         .mmu_sfsr_mask = 0x00016bff,
1055         .mmu_trcr_mask = 0x00ffffff,
1056         .nwindows = 8,
1057         .features = CPU_DEFAULT_FEATURES,
1058     },
1059     {
1060         .name = "TI SuperSparc 40", // STP1020NPGA
1061         .iu_version = 0x41000000, // SuperSPARC 2.x
1062         .fpu_version = 0 << 17,
1063         .mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC
1064         .mmu_bm = 0x00002000,
1065         .mmu_ctpr_mask = 0xffffffc0,
1066         .mmu_cxr_mask = 0x0000ffff,
1067         .mmu_sfsr_mask = 0xffffffff,
1068         .mmu_trcr_mask = 0xffffffff,
1069         .nwindows = 8,
1070         .features = CPU_DEFAULT_FEATURES,
1071     },
1072     {
1073         .name = "TI SuperSparc 50", // STP1020PGA
1074         .iu_version = 0x40000000, // SuperSPARC 3.x
1075         .fpu_version = 0 << 17,
1076         .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1077         .mmu_bm = 0x00002000,
1078         .mmu_ctpr_mask = 0xffffffc0,
1079         .mmu_cxr_mask = 0x0000ffff,
1080         .mmu_sfsr_mask = 0xffffffff,
1081         .mmu_trcr_mask = 0xffffffff,
1082         .nwindows = 8,
1083         .features = CPU_DEFAULT_FEATURES,
1084     },
1085     {
1086         .name = "TI SuperSparc 51",
1087         .iu_version = 0x40000000, // SuperSPARC 3.x
1088         .fpu_version = 0 << 17,
1089         .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1090         .mmu_bm = 0x00002000,
1091         .mmu_ctpr_mask = 0xffffffc0,
1092         .mmu_cxr_mask = 0x0000ffff,
1093         .mmu_sfsr_mask = 0xffffffff,
1094         .mmu_trcr_mask = 0xffffffff,
1095         .mxcc_version = 0x00000104,
1096         .nwindows = 8,
1097         .features = CPU_DEFAULT_FEATURES,
1098     },
1099     {
1100         .name = "TI SuperSparc 60", // STP1020APGA
1101         .iu_version = 0x40000000, // SuperSPARC 3.x
1102         .fpu_version = 0 << 17,
1103         .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1104         .mmu_bm = 0x00002000,
1105         .mmu_ctpr_mask = 0xffffffc0,
1106         .mmu_cxr_mask = 0x0000ffff,
1107         .mmu_sfsr_mask = 0xffffffff,
1108         .mmu_trcr_mask = 0xffffffff,
1109         .nwindows = 8,
1110         .features = CPU_DEFAULT_FEATURES,
1111     },
1112     {
1113         .name = "TI SuperSparc 61",
1114         .iu_version = 0x44000000, // SuperSPARC 3.x
1115         .fpu_version = 0 << 17,
1116         .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1117         .mmu_bm = 0x00002000,
1118         .mmu_ctpr_mask = 0xffffffc0,
1119         .mmu_cxr_mask = 0x0000ffff,
1120         .mmu_sfsr_mask = 0xffffffff,
1121         .mmu_trcr_mask = 0xffffffff,
1122         .mxcc_version = 0x00000104,
1123         .nwindows = 8,
1124         .features = CPU_DEFAULT_FEATURES,
1125     },
1126     {
1127         .name = "TI SuperSparc II",
1128         .iu_version = 0x40000000, // SuperSPARC II 1.x
1129         .fpu_version = 0 << 17,
1130         .mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC
1131         .mmu_bm = 0x00002000,
1132         .mmu_ctpr_mask = 0xffffffc0,
1133         .mmu_cxr_mask = 0x0000ffff,
1134         .mmu_sfsr_mask = 0xffffffff,
1135         .mmu_trcr_mask = 0xffffffff,
1136         .mxcc_version = 0x00000104,
1137         .nwindows = 8,
1138         .features = CPU_DEFAULT_FEATURES,
1139     },
1140     {
1141         .name = "Ross RT625",
1142         .iu_version = 0x1e000000,
1143         .fpu_version = 1 << 17,
1144         .mmu_version = 0x1e000000,
1145         .mmu_bm = 0x00004000,
1146         .mmu_ctpr_mask = 0x007ffff0,
1147         .mmu_cxr_mask = 0x0000003f,
1148         .mmu_sfsr_mask = 0xffffffff,
1149         .mmu_trcr_mask = 0xffffffff,
1150         .nwindows = 8,
1151         .features = CPU_DEFAULT_FEATURES,
1152     },
1153     {
1154         .name = "Ross RT620",
1155         .iu_version = 0x1f000000,
1156         .fpu_version = 1 << 17,
1157         .mmu_version = 0x1f000000,
1158         .mmu_bm = 0x00004000,
1159         .mmu_ctpr_mask = 0x007ffff0,
1160         .mmu_cxr_mask = 0x0000003f,
1161         .mmu_sfsr_mask = 0xffffffff,
1162         .mmu_trcr_mask = 0xffffffff,
1163         .nwindows = 8,
1164         .features = CPU_DEFAULT_FEATURES,
1165     },
1166     {
1167         .name = "BIT B5010",
1168         .iu_version = 0x20000000,
1169         .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
1170         .mmu_version = 0x20000000,
1171         .mmu_bm = 0x00004000,
1172         .mmu_ctpr_mask = 0x007ffff0,
1173         .mmu_cxr_mask = 0x0000003f,
1174         .mmu_sfsr_mask = 0xffffffff,
1175         .mmu_trcr_mask = 0xffffffff,
1176         .nwindows = 8,
1177         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1178         CPU_FEATURE_FSMULD,
1179     },
1180     {
1181         .name = "Matsushita MN10501",
1182         .iu_version = 0x50000000,
1183         .fpu_version = 0 << 17,
1184         .mmu_version = 0x50000000,
1185         .mmu_bm = 0x00004000,
1186         .mmu_ctpr_mask = 0x007ffff0,
1187         .mmu_cxr_mask = 0x0000003f,
1188         .mmu_sfsr_mask = 0xffffffff,
1189         .mmu_trcr_mask = 0xffffffff,
1190         .nwindows = 8,
1191         .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
1192         CPU_FEATURE_FSMULD,
1193     },
1194     {
1195         .name = "Weitek W8601",
1196         .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
1197         .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
1198         .mmu_version = 0x10 << 24,
1199         .mmu_bm = 0x00004000,
1200         .mmu_ctpr_mask = 0x007ffff0,
1201         .mmu_cxr_mask = 0x0000003f,
1202         .mmu_sfsr_mask = 0xffffffff,
1203         .mmu_trcr_mask = 0xffffffff,
1204         .nwindows = 8,
1205         .features = CPU_DEFAULT_FEATURES,
1206     },
1207     {
1208         .name = "LEON2",
1209         .iu_version = 0xf2000000,
1210         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1211         .mmu_version = 0xf2000000,
1212         .mmu_bm = 0x00004000,
1213         .mmu_ctpr_mask = 0x007ffff0,
1214         .mmu_cxr_mask = 0x0000003f,
1215         .mmu_sfsr_mask = 0xffffffff,
1216         .mmu_trcr_mask = 0xffffffff,
1217         .nwindows = 8,
1218         .features = CPU_DEFAULT_FEATURES,
1219     },
1220     {
1221         .name = "LEON3",
1222         .iu_version = 0xf3000000,
1223         .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1224         .mmu_version = 0xf3000000,
1225         .mmu_bm = 0x00004000,
1226         .mmu_ctpr_mask = 0x007ffff0,
1227         .mmu_cxr_mask = 0x0000003f,
1228         .mmu_sfsr_mask = 0xffffffff,
1229         .mmu_trcr_mask = 0xffffffff,
1230         .nwindows = 8,
1231         .features = CPU_DEFAULT_FEATURES,
1232     },
1233 #endif
1234 };
1235
1236 static const char * const feature_name[] = {
1237     "float",
1238     "float128",
1239     "swap",
1240     "mul",
1241     "div",
1242     "flush",
1243     "fsqrt",
1244     "fmul",
1245     "vis1",
1246     "vis2",
1247     "fsmuld",
1248     "hypv",
1249     "cmt",
1250     "gl",
1251 };
1252
1253 static void print_features(FILE *f,
1254                            int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1255                            uint32_t features, const char *prefix)
1256 {
1257     unsigned int i;
1258
1259     for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1260         if (feature_name[i] && (features & (1 << i))) {
1261             if (prefix)
1262                 (*cpu_fprintf)(f, "%s", prefix);
1263             (*cpu_fprintf)(f, "%s ", feature_name[i]);
1264         }
1265 }
1266
1267 static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
1268 {
1269     unsigned int i;
1270
1271     for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1272         if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
1273             *features |= 1 << i;
1274             return;
1275         }
1276     fprintf(stderr, "CPU feature %s not found\n", flagname);
1277 }
1278
1279 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
1280 {
1281     unsigned int i;
1282     const sparc_def_t *def = NULL;
1283     char *s = strdup(cpu_model);
1284     char *featurestr, *name = strtok(s, ",");
1285     uint32_t plus_features = 0;
1286     uint32_t minus_features = 0;
1287     long long iu_version;
1288     uint32_t fpu_version, mmu_version, nwindows;
1289
1290     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1291         if (strcasecmp(name, sparc_defs[i].name) == 0) {
1292             def = &sparc_defs[i];
1293         }
1294     }
1295     if (!def)
1296         goto error;
1297     memcpy(cpu_def, def, sizeof(*def));
1298
1299     featurestr = strtok(NULL, ",");
1300     while (featurestr) {
1301         char *val;
1302
1303         if (featurestr[0] == '+') {
1304             add_flagname_to_bitmaps(featurestr + 1, &plus_features);
1305         } else if (featurestr[0] == '-') {
1306             add_flagname_to_bitmaps(featurestr + 1, &minus_features);
1307         } else if ((val = strchr(featurestr, '='))) {
1308             *val = 0; val++;
1309             if (!strcmp(featurestr, "iu_version")) {
1310                 char *err;
1311
1312                 iu_version = strtoll(val, &err, 0);
1313                 if (!*val || *err) {
1314                     fprintf(stderr, "bad numerical value %s\n", val);
1315                     goto error;
1316                 }
1317                 cpu_def->iu_version = iu_version;
1318 #ifdef DEBUG_FEATURES
1319                 fprintf(stderr, "iu_version %llx\n", iu_version);
1320 #endif
1321             } else if (!strcmp(featurestr, "fpu_version")) {
1322                 char *err;
1323
1324                 fpu_version = strtol(val, &err, 0);
1325                 if (!*val || *err) {
1326                     fprintf(stderr, "bad numerical value %s\n", val);
1327                     goto error;
1328                 }
1329                 cpu_def->fpu_version = fpu_version;
1330 #ifdef DEBUG_FEATURES
1331                 fprintf(stderr, "fpu_version %x\n", fpu_version);
1332 #endif
1333             } else if (!strcmp(featurestr, "mmu_version")) {
1334                 char *err;
1335
1336                 mmu_version = strtol(val, &err, 0);
1337                 if (!*val || *err) {
1338                     fprintf(stderr, "bad numerical value %s\n", val);
1339                     goto error;
1340                 }
1341                 cpu_def->mmu_version = mmu_version;
1342 #ifdef DEBUG_FEATURES
1343                 fprintf(stderr, "mmu_version %x\n", mmu_version);
1344 #endif
1345             } else if (!strcmp(featurestr, "nwindows")) {
1346                 char *err;
1347
1348                 nwindows = strtol(val, &err, 0);
1349                 if (!*val || *err || nwindows > MAX_NWINDOWS ||
1350                     nwindows < MIN_NWINDOWS) {
1351                     fprintf(stderr, "bad numerical value %s\n", val);
1352                     goto error;
1353                 }
1354                 cpu_def->nwindows = nwindows;
1355 #ifdef DEBUG_FEATURES
1356                 fprintf(stderr, "nwindows %d\n", nwindows);
1357 #endif
1358             } else {
1359                 fprintf(stderr, "unrecognized feature %s\n", featurestr);
1360                 goto error;
1361             }
1362         } else {
1363             fprintf(stderr, "feature string `%s' not in format "
1364                     "(+feature|-feature|feature=xyz)\n", featurestr);
1365             goto error;
1366         }
1367         featurestr = strtok(NULL, ",");
1368     }
1369     cpu_def->features |= plus_features;
1370     cpu_def->features &= ~minus_features;
1371 #ifdef DEBUG_FEATURES
1372     print_features(stderr, fprintf, cpu_def->features, NULL);
1373 #endif
1374     free(s);
1375     return 0;
1376
1377  error:
1378     free(s);
1379     return -1;
1380 }
1381
1382 void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
1383 {
1384     unsigned int i;
1385
1386     for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1387         (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ",
1388                        sparc_defs[i].name,
1389                        sparc_defs[i].iu_version,
1390                        sparc_defs[i].fpu_version,
1391                        sparc_defs[i].mmu_version,
1392                        sparc_defs[i].nwindows);
1393         print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
1394                        ~sparc_defs[i].features, "-");
1395         print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
1396                        sparc_defs[i].features, "+");
1397         (*cpu_fprintf)(f, "\n");
1398     }
1399     (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
1400     print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
1401     (*cpu_fprintf)(f, "\n");
1402     (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
1403     print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
1404     (*cpu_fprintf)(f, "\n");
1405     (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
1406                    "fpu_version mmu_version nwindows\n");
1407 }
1408
1409 void cpu_dump_state(CPUState *env, FILE *f,
1410                     int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1411                     int flags)
1412 {
1413     int i, x;
1414
1415     cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
1416                 env->npc);
1417     cpu_fprintf(f, "General Registers:\n");
1418     for (i = 0; i < 4; i++)
1419         cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1420     cpu_fprintf(f, "\n");
1421     for (; i < 8; i++)
1422         cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1423     cpu_fprintf(f, "\nCurrent Register Window:\n");
1424     for (x = 0; x < 3; x++) {
1425         for (i = 0; i < 4; i++)
1426             cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1427                     (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
1428                     env->regwptr[i + x * 8]);
1429         cpu_fprintf(f, "\n");
1430         for (; i < 8; i++)
1431             cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1432                     (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
1433                     env->regwptr[i + x * 8]);
1434         cpu_fprintf(f, "\n");
1435     }
1436     cpu_fprintf(f, "\nFloating Point Registers:\n");
1437     for (i = 0; i < 32; i++) {
1438         if ((i & 3) == 0)
1439             cpu_fprintf(f, "%%f%02d:", i);
1440         cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
1441         if ((i & 3) == 3)
1442             cpu_fprintf(f, "\n");
1443     }
1444 #ifdef TARGET_SPARC64
1445     cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
1446                 env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
1447     cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
1448                 "cleanwin %d cwp %d\n",
1449                 env->cansave, env->canrestore, env->otherwin, env->wstate,
1450                 env->cleanwin, env->nwindows - 1 - env->cwp);
1451 #else
1452
1453 #define GET_FLAG(a,b) ((env->psr & a)?b:'-')
1454
1455     cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
1456                 GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
1457                 GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
1458                 env->psrs?'S':'-', env->psrps?'P':'-',
1459                 env->psret?'E':'-', env->wim);
1460 #endif
1461     cpu_fprintf(f, "fsr: 0x%08x\n", env->fsr);
1462 }