target/ppc/machine.c

   1 #include "qemu/osdep.h"
   2 #include "qemu-common.h"
   3 #include "cpu.h"
   4 #include "exec/exec-all.h"
   5 #include "hw/hw.h"
   6 #include "hw/boards.h"
   7 #include "sysemu/kvm.h"
   8 #include "helper_regs.h"
   9 #include "mmu-hash64.h"
  10 #include "migration/cpu.h"
  11 #include "qapi/error.h"
  12
  13 static int cpu_load_old(QEMUFile *f, void *opaque, int version_id)
  14 {
  15     PowerPCCPU *cpu = opaque;
  16     CPUPPCState *env = &cpu->env;
  17     unsigned int i, j;
  18     target_ulong sdr1;
  19     uint32_t fpscr;
  20     target_ulong xer;
  21
  22     for (i = 0; i < 32; i++)
  23         qemu_get_betls(f, &env->gpr[i]);
  24 #if !defined(TARGET_PPC64)
  25     for (i = 0; i < 32; i++)
  26         qemu_get_betls(f, &env->gprh[i]);
  27 #endif
  28     qemu_get_betls(f, &env->lr);
  29     qemu_get_betls(f, &env->ctr);
  30     for (i = 0; i < 8; i++)
  31         qemu_get_be32s(f, &env->crf[i]);
  32     qemu_get_betls(f, &xer);
  33     cpu_write_xer(env, xer);
  34     qemu_get_betls(f, &env->reserve_addr);
  35     qemu_get_betls(f, &env->msr);
  36     for (i = 0; i < 4; i++)
  37         qemu_get_betls(f, &env->tgpr[i]);
  38     for (i = 0; i < 32; i++) {
  39         union {
  40             float64 d;
  41             uint64_t l;
  42         } u;
  43         u.l = qemu_get_be64(f);
  44         env->fpr[i] = u.d;
  45     }
  46     qemu_get_be32s(f, &fpscr);
  47     env->fpscr = fpscr;
  48     qemu_get_sbe32s(f, &env->access_type);
  49 #if defined(TARGET_PPC64)
  50     qemu_get_betls(f, &env->spr[SPR_ASR]);
  51     qemu_get_sbe32s(f, &env->slb_nr);
  52 #endif
  53     qemu_get_betls(f, &sdr1);
  54     for (i = 0; i < 32; i++)
  55         qemu_get_betls(f, &env->sr[i]);
  56     for (i = 0; i < 2; i++)
  57         for (j = 0; j < 8; j++)
  58             qemu_get_betls(f, &env->DBAT[i][j]);
  59     for (i = 0; i < 2; i++)
  60         for (j = 0; j < 8; j++)
  61             qemu_get_betls(f, &env->IBAT[i][j]);
  62     qemu_get_sbe32s(f, &env->nb_tlb);
  63     qemu_get_sbe32s(f, &env->tlb_per_way);
  64     qemu_get_sbe32s(f, &env->nb_ways);
  65     qemu_get_sbe32s(f, &env->last_way);
  66     qemu_get_sbe32s(f, &env->id_tlbs);
  67     qemu_get_sbe32s(f, &env->nb_pids);
  68     if (env->tlb.tlb6) {
  69         // XXX assumes 6xx
  70         for (i = 0; i < env->nb_tlb; i++) {
  71             qemu_get_betls(f, &env->tlb.tlb6[i].pte0);
  72             qemu_get_betls(f, &env->tlb.tlb6[i].pte1);
  73             qemu_get_betls(f, &env->tlb.tlb6[i].EPN);
  74         }
  75     }
  76     for (i = 0; i < 4; i++)
  77         qemu_get_betls(f, &env->pb[i]);
  78     for (i = 0; i < 1024; i++)
  79         qemu_get_betls(f, &env->spr[i]);
  80     if (!cpu->vhyp) {
  81         ppc_store_sdr1(env, sdr1);
  82     }
  83     qemu_get_be32s(f, &env->vscr);
  84     qemu_get_be64s(f, &env->spe_acc);
  85     qemu_get_be32s(f, &env->spe_fscr);
  86     qemu_get_betls(f, &env->msr_mask);
  87     qemu_get_be32s(f, &env->flags);
  88     qemu_get_sbe32s(f, &env->error_code);
  89     qemu_get_be32s(f, &env->pending_interrupts);
  90     qemu_get_be32s(f, &env->irq_input_state);
  91     for (i = 0; i < POWERPC_EXCP_NB; i++)
  92         qemu_get_betls(f, &env->excp_vectors[i]);
  93     qemu_get_betls(f, &env->excp_prefix);
  94     qemu_get_betls(f, &env->ivor_mask);
  95     qemu_get_betls(f, &env->ivpr_mask);
  96     qemu_get_betls(f, &env->hreset_vector);
  97     qemu_get_betls(f, &env->nip);
  98     qemu_get_betls(f, &env->hflags);
  99     qemu_get_betls(f, &env->hflags_nmsr);
 100     qemu_get_sbe32(f); /* Discard unused mmu_idx */
 101     qemu_get_sbe32(f); /* Discard unused power_mode */
 102
 103     /* Recompute mmu indices */
 104     hreg_compute_mem_idx(env);
 105
 106     return 0;
 107 }
 108
 109 static int get_avr(QEMUFile *f, void *pv, size_t size, VMStateField *field)
 110 {
 111     ppc_avr_t *v = pv;
 112
 113     v->u64[0] = qemu_get_be64(f);
 114     v->u64[1] = qemu_get_be64(f);
 115
 116     return 0;
 117 }
 118
 119 static int put_avr(QEMUFile *f, void *pv, size_t size, VMStateField *field,
 120                    QJSON *vmdesc)
 121 {
 122     ppc_avr_t *v = pv;
 123
 124     qemu_put_be64(f, v->u64[0]);
 125     qemu_put_be64(f, v->u64[1]);
 126     return 0;
 127 }
 128
 129 static const VMStateInfo vmstate_info_avr = {
 130     .name = "avr",
 131     .get  = get_avr,
 132     .put  = put_avr,
 133 };
 134
 135 #define VMSTATE_AVR_ARRAY_V(_f, _s, _n, _v)                       \
 136     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_avr, ppc_avr_t)
 137
 138 #define VMSTATE_AVR_ARRAY(_f, _s, _n)                             \
 139     VMSTATE_AVR_ARRAY_V(_f, _s, _n, 0)
 140
 141 static bool cpu_pre_2_8_migration(void *opaque, int version_id)
 142 {
 143     PowerPCCPU *cpu = opaque;
 144
 145     return cpu->pre_2_8_migration;
 146 }
 147
 148 static void cpu_pre_save(void *opaque)
 149 {
 150     PowerPCCPU *cpu = opaque;
 151     CPUPPCState *env = &cpu->env;
 152     int i;
 153     uint64_t insns_compat_mask =
 154         PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB
 155         | PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES
 156         | PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | PPC_FLOAT_FRSQRTES
 157         | PPC_FLOAT_STFIWX | PPC_FLOAT_EXT
 158         | PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ
 159         | PPC_MEM_SYNC | PPC_MEM_EIEIO | PPC_MEM_TLBIE | PPC_MEM_TLBSYNC
 160         | PPC_64B | PPC_64BX | PPC_ALTIVEC
 161         | PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD;
 162     uint64_t insns_compat_mask2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX
 163         | PPC2_PERM_ISA206 | PPC2_DIVE_ISA206
 164         | PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206
 165         | PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207
 166         | PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207
 167         | PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 | PPC2_TM;
 168
 169     env->spr[SPR_LR] = env->lr;
 170     env->spr[SPR_CTR] = env->ctr;
 171     env->spr[SPR_XER] = cpu_read_xer(env);
 172 #if defined(TARGET_PPC64)
 173     env->spr[SPR_CFAR] = env->cfar;
 174 #endif
 175     env->spr[SPR_BOOKE_SPEFSCR] = env->spe_fscr;
 176
 177     for (i = 0; (i < 4) && (i < env->nb_BATs); i++) {
 178         env->spr[SPR_DBAT0U + 2*i] = env->DBAT[0][i];
 179         env->spr[SPR_DBAT0U + 2*i + 1] = env->DBAT[1][i];
 180         env->spr[SPR_IBAT0U + 2*i] = env->IBAT[0][i];
 181         env->spr[SPR_IBAT0U + 2*i + 1] = env->IBAT[1][i];
 182     }
 183     for (i = 0; (i < 4) && ((i+4) < env->nb_BATs); i++) {
 184         env->spr[SPR_DBAT4U + 2*i] = env->DBAT[0][i+4];
 185         env->spr[SPR_DBAT4U + 2*i + 1] = env->DBAT[1][i+4];
 186         env->spr[SPR_IBAT4U + 2*i] = env->IBAT[0][i+4];
 187         env->spr[SPR_IBAT4U + 2*i + 1] = env->IBAT[1][i+4];
 188     }
 189
 190     /* Hacks for migration compatibility between 2.6, 2.7 & 2.8 */
 191     if (cpu->pre_2_8_migration) {
 192         cpu->mig_msr_mask = env->msr_mask;
 193         cpu->mig_insns_flags = env->insns_flags & insns_compat_mask;
 194         cpu->mig_insns_flags2 = env->insns_flags2 & insns_compat_mask2;
 195         cpu->mig_nb_BATs = env->nb_BATs;
 196     }
 197 }
 198
 199 /*
 200  * Determine if a given PVR is a "close enough" match to the CPU
 201  * object.  For TCG and KVM PR it would probably be sufficient to
 202  * require an exact PVR match.  However for KVM HV the user is
 203  * restricted to a PVR exactly matching the host CPU.  The correct way
 204  * to handle this is to put the guest into an architected
 205  * compatibility mode.  However, to allow a more forgiving transition
 206  * and migration from before this was widely done, we allow migration
 207  * between sufficiently similar PVRs, as determined by the CPU class's
 208  * pvr_match() hook.
 209  */
 210 static bool pvr_match(PowerPCCPU *cpu, uint32_t pvr)
 211 {
 212     PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
 213
 214     if (pvr == pcc->pvr) {
 215         return true;
 216     }
 217     return pcc->pvr_match(pcc, pvr);
 218 }
 219
 220 static int cpu_post_load(void *opaque, int version_id)
 221 {
 222     PowerPCCPU *cpu = opaque;
 223     CPUPPCState *env = &cpu->env;
 224     int i;
 225     target_ulong msr;
 226
 227     /*
 228      * If we're operating in compat mode, we should be ok as long as
 229      * the destination supports the same compatiblity mode.
 230      *
 231      * Otherwise, however, we require that the destination has exactly
 232      * the same CPU model as the source.
 233      */
 234
 235 #if defined(TARGET_PPC64)
 236     if (cpu->compat_pvr) {
 237         Error *local_err = NULL;
 238
 239         ppc_set_compat(cpu, cpu->compat_pvr, &local_err);
 240         if (local_err) {
 241             error_report_err(local_err);
 242             error_free(local_err);
 243             return -1;
 244         }
 245     } else
 246 #endif
 247     {
 248         if (!pvr_match(cpu, env->spr[SPR_PVR])) {
 249             return -1;
 250         }
 251     }
 252
 253     env->lr = env->spr[SPR_LR];
 254     env->ctr = env->spr[SPR_CTR];
 255     cpu_write_xer(env, env->spr[SPR_XER]);
 256 #if defined(TARGET_PPC64)
 257     env->cfar = env->spr[SPR_CFAR];
 258 #endif
 259     env->spe_fscr = env->spr[SPR_BOOKE_SPEFSCR];
 260
 261     for (i = 0; (i < 4) && (i < env->nb_BATs); i++) {
 262         env->DBAT[0][i] = env->spr[SPR_DBAT0U + 2*i];
 263         env->DBAT[1][i] = env->spr[SPR_DBAT0U + 2*i + 1];
 264         env->IBAT[0][i] = env->spr[SPR_IBAT0U + 2*i];
 265         env->IBAT[1][i] = env->spr[SPR_IBAT0U + 2*i + 1];
 266     }
 267     for (i = 0; (i < 4) && ((i+4) < env->nb_BATs); i++) {
 268         env->DBAT[0][i+4] = env->spr[SPR_DBAT4U + 2*i];
 269         env->DBAT[1][i+4] = env->spr[SPR_DBAT4U + 2*i + 1];
 270         env->IBAT[0][i+4] = env->spr[SPR_IBAT4U + 2*i];
 271         env->IBAT[1][i+4] = env->spr[SPR_IBAT4U + 2*i + 1];
 272     }
 273
 274     if (!cpu->vhyp) {
 275         ppc_store_sdr1(env, env->spr[SPR_SDR1]);
 276     }
 277
 278     /* Invalidate all msr bits except MSR_TGPR/MSR_HVB before restoring */
 279     msr = env->msr;
 280     env->msr ^= ~((1ULL << MSR_TGPR) | MSR_HVB);
 281     ppc_store_msr(env, msr);
 282
 283     hreg_compute_mem_idx(env);
 284
 285     return 0;
 286 }
 287
 288 static bool fpu_needed(void *opaque)
 289 {
 290     PowerPCCPU *cpu = opaque;
 291
 292     return (cpu->env.insns_flags & PPC_FLOAT);
 293 }
 294
 295 static const VMStateDescription vmstate_fpu = {
 296     .name = "cpu/fpu",
 297     .version_id = 1,
 298     .minimum_version_id = 1,
 299     .needed = fpu_needed,
 300     .fields = (VMStateField[]) {
 301         VMSTATE_FLOAT64_ARRAY(env.fpr, PowerPCCPU, 32),
 302         VMSTATE_UINTTL(env.fpscr, PowerPCCPU),
 303         VMSTATE_END_OF_LIST()
 304     },
 305 };
 306
 307 static bool altivec_needed(void *opaque)
 308 {
 309     PowerPCCPU *cpu = opaque;
 310
 311     return (cpu->env.insns_flags & PPC_ALTIVEC);
 312 }
 313
 314 static const VMStateDescription vmstate_altivec = {
 315     .name = "cpu/altivec",
 316     .version_id = 1,
 317     .minimum_version_id = 1,
 318     .needed = altivec_needed,
 319     .fields = (VMStateField[]) {
 320         VMSTATE_AVR_ARRAY(env.avr, PowerPCCPU, 32),
 321         VMSTATE_UINT32(env.vscr, PowerPCCPU),
 322         VMSTATE_END_OF_LIST()
 323     },
 324 };
 325
 326 static bool vsx_needed(void *opaque)
 327 {
 328     PowerPCCPU *cpu = opaque;
 329
 330     return (cpu->env.insns_flags2 & PPC2_VSX);
 331 }
 332
 333 static const VMStateDescription vmstate_vsx = {
 334     .name = "cpu/vsx",
 335     .version_id = 1,
 336     .minimum_version_id = 1,
 337     .needed = vsx_needed,
 338     .fields = (VMStateField[]) {
 339         VMSTATE_UINT64_ARRAY(env.vsr, PowerPCCPU, 32),
 340         VMSTATE_END_OF_LIST()
 341     },
 342 };
 343
 344 #ifdef TARGET_PPC64
 345 /* Transactional memory state */
 346 static bool tm_needed(void *opaque)
 347 {
 348     PowerPCCPU *cpu = opaque;
 349     CPUPPCState *env = &cpu->env;
 350     return msr_ts;
 351 }
 352
 353 static const VMStateDescription vmstate_tm = {
 354     .name = "cpu/tm",
 355     .version_id = 1,
 356     .minimum_version_id = 1,
 357     .minimum_version_id_old = 1,
 358     .needed = tm_needed,
 359     .fields      = (VMStateField []) {
 360         VMSTATE_UINTTL_ARRAY(env.tm_gpr, PowerPCCPU, 32),
 361         VMSTATE_AVR_ARRAY(env.tm_vsr, PowerPCCPU, 64),
 362         VMSTATE_UINT64(env.tm_cr, PowerPCCPU),
 363         VMSTATE_UINT64(env.tm_lr, PowerPCCPU),
 364         VMSTATE_UINT64(env.tm_ctr, PowerPCCPU),
 365         VMSTATE_UINT64(env.tm_fpscr, PowerPCCPU),
 366         VMSTATE_UINT64(env.tm_amr, PowerPCCPU),
 367         VMSTATE_UINT64(env.tm_ppr, PowerPCCPU),
 368         VMSTATE_UINT64(env.tm_vrsave, PowerPCCPU),
 369         VMSTATE_UINT32(env.tm_vscr, PowerPCCPU),
 370         VMSTATE_UINT64(env.tm_dscr, PowerPCCPU),
 371         VMSTATE_UINT64(env.tm_tar, PowerPCCPU),
 372         VMSTATE_END_OF_LIST()
 373     },
 374 };
 375 #endif
 376
 377 static bool sr_needed(void *opaque)
 378 {
 379 #ifdef TARGET_PPC64
 380     PowerPCCPU *cpu = opaque;
 381
 382     return !(cpu->env.mmu_model & POWERPC_MMU_64);
 383 #else
 384     return true;
 385 #endif
 386 }
 387
 388 static const VMStateDescription vmstate_sr = {
 389     .name = "cpu/sr",
 390     .version_id = 1,
 391     .minimum_version_id = 1,
 392     .needed = sr_needed,
 393     .fields = (VMStateField[]) {
 394         VMSTATE_UINTTL_ARRAY(env.sr, PowerPCCPU, 32),
 395         VMSTATE_END_OF_LIST()
 396     },
 397 };
 398
 399 #ifdef TARGET_PPC64
 400 static int get_slbe(QEMUFile *f, void *pv, size_t size, VMStateField *field)
 401 {
 402     ppc_slb_t *v = pv;
 403
 404     v->esid = qemu_get_be64(f);
 405     v->vsid = qemu_get_be64(f);
 406
 407     return 0;
 408 }
 409
 410 static int put_slbe(QEMUFile *f, void *pv, size_t size, VMStateField *field,
 411                     QJSON *vmdesc)
 412 {
 413     ppc_slb_t *v = pv;
 414
 415     qemu_put_be64(f, v->esid);
 416     qemu_put_be64(f, v->vsid);
 417     return 0;
 418 }
 419
 420 static const VMStateInfo vmstate_info_slbe = {
 421     .name = "slbe",
 422     .get  = get_slbe,
 423     .put  = put_slbe,
 424 };
 425
 426 #define VMSTATE_SLB_ARRAY_V(_f, _s, _n, _v)                       \
 427     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_slbe, ppc_slb_t)
 428
 429 #define VMSTATE_SLB_ARRAY(_f, _s, _n)                             \
 430     VMSTATE_SLB_ARRAY_V(_f, _s, _n, 0)
 431
 432 static bool slb_needed(void *opaque)
 433 {
 434     PowerPCCPU *cpu = opaque;
 435
 436     /* We don't support any of the old segment table based 64-bit CPUs */
 437     return (cpu->env.mmu_model & POWERPC_MMU_64);
 438 }
 439
 440 static int slb_post_load(void *opaque, int version_id)
 441 {
 442     PowerPCCPU *cpu = opaque;
 443     CPUPPCState *env = &cpu->env;
 444     int i;
 445
 446     /* We've pulled in the raw esid and vsid values from the migration
 447      * stream, but we need to recompute the page size pointers */
 448     for (i = 0; i < env->slb_nr; i++) {
 449         if (ppc_store_slb(cpu, i, env->slb[i].esid, env->slb[i].vsid) < 0) {
 450             /* Migration source had bad values in its SLB */
 451             return -1;
 452         }
 453     }
 454
 455     return 0;
 456 }
 457
 458 static const VMStateDescription vmstate_slb = {
 459     .name = "cpu/slb",
 460     .version_id = 1,
 461     .minimum_version_id = 1,
 462     .needed = slb_needed,
 463     .post_load = slb_post_load,
 464     .fields = (VMStateField[]) {
 465         VMSTATE_INT32_EQUAL(env.slb_nr, PowerPCCPU, NULL),
 466         VMSTATE_SLB_ARRAY(env.slb, PowerPCCPU, MAX_SLB_ENTRIES),
 467         VMSTATE_END_OF_LIST()
 468     }
 469 };
 470 #endif /* TARGET_PPC64 */
 471
 472 static const VMStateDescription vmstate_tlb6xx_entry = {
 473     .name = "cpu/tlb6xx_entry",
 474     .version_id = 1,
 475     .minimum_version_id = 1,
 476     .fields = (VMStateField[]) {
 477         VMSTATE_UINTTL(pte0, ppc6xx_tlb_t),
 478         VMSTATE_UINTTL(pte1, ppc6xx_tlb_t),
 479         VMSTATE_UINTTL(EPN, ppc6xx_tlb_t),
 480         VMSTATE_END_OF_LIST()
 481     },
 482 };
 483
 484 static bool tlb6xx_needed(void *opaque)
 485 {
 486     PowerPCCPU *cpu = opaque;
 487     CPUPPCState *env = &cpu->env;
 488
 489     return env->nb_tlb && (env->tlb_type == TLB_6XX);
 490 }
 491
 492 static const VMStateDescription vmstate_tlb6xx = {
 493     .name = "cpu/tlb6xx",
 494     .version_id = 1,
 495     .minimum_version_id = 1,
 496     .needed = tlb6xx_needed,
 497     .fields = (VMStateField[]) {
 498         VMSTATE_INT32_EQUAL(env.nb_tlb, PowerPCCPU, NULL),
 499         VMSTATE_STRUCT_VARRAY_POINTER_INT32(env.tlb.tlb6, PowerPCCPU,
 500                                             env.nb_tlb,
 501                                             vmstate_tlb6xx_entry,
 502                                             ppc6xx_tlb_t),
 503         VMSTATE_UINTTL_ARRAY(env.tgpr, PowerPCCPU, 4),
 504         VMSTATE_END_OF_LIST()
 505     }
 506 };
 507
 508 static const VMStateDescription vmstate_tlbemb_entry = {
 509     .name = "cpu/tlbemb_entry",
 510     .version_id = 1,
 511     .minimum_version_id = 1,
 512     .fields = (VMStateField[]) {
 513         VMSTATE_UINT64(RPN, ppcemb_tlb_t),
 514         VMSTATE_UINTTL(EPN, ppcemb_tlb_t),
 515         VMSTATE_UINTTL(PID, ppcemb_tlb_t),
 516         VMSTATE_UINTTL(size, ppcemb_tlb_t),
 517         VMSTATE_UINT32(prot, ppcemb_tlb_t),
 518         VMSTATE_UINT32(attr, ppcemb_tlb_t),
 519         VMSTATE_END_OF_LIST()
 520     },
 521 };
 522
 523 static bool tlbemb_needed(void *opaque)
 524 {
 525     PowerPCCPU *cpu = opaque;
 526     CPUPPCState *env = &cpu->env;
 527
 528     return env->nb_tlb && (env->tlb_type == TLB_EMB);
 529 }
 530
 531 static bool pbr403_needed(void *opaque)
 532 {
 533     PowerPCCPU *cpu = opaque;
 534     uint32_t pvr = cpu->env.spr[SPR_PVR];
 535
 536     return (pvr & 0xffff0000) == 0x00200000;
 537 }
 538
 539 static const VMStateDescription vmstate_pbr403 = {
 540     .name = "cpu/pbr403",
 541     .version_id = 1,
 542     .minimum_version_id = 1,
 543     .needed = pbr403_needed,
 544     .fields = (VMStateField[]) {
 545         VMSTATE_UINTTL_ARRAY(env.pb, PowerPCCPU, 4),
 546         VMSTATE_END_OF_LIST()
 547     },
 548 };
 549
 550 static const VMStateDescription vmstate_tlbemb = {
 551     .name = "cpu/tlb6xx",
 552     .version_id = 1,
 553     .minimum_version_id = 1,
 554     .needed = tlbemb_needed,
 555     .fields = (VMStateField[]) {
 556         VMSTATE_INT32_EQUAL(env.nb_tlb, PowerPCCPU, NULL),
 557         VMSTATE_STRUCT_VARRAY_POINTER_INT32(env.tlb.tlbe, PowerPCCPU,
 558                                             env.nb_tlb,
 559                                             vmstate_tlbemb_entry,
 560                                             ppcemb_tlb_t),
 561         /* 403 protection registers */
 562         VMSTATE_END_OF_LIST()
 563     },
 564     .subsections = (const VMStateDescription*[]) {
 565         &vmstate_pbr403,
 566         NULL
 567     }
 568 };
 569
 570 static const VMStateDescription vmstate_tlbmas_entry = {
 571     .name = "cpu/tlbmas_entry",
 572     .version_id = 1,
 573     .minimum_version_id = 1,
 574     .fields = (VMStateField[]) {
 575         VMSTATE_UINT32(mas8, ppcmas_tlb_t),
 576         VMSTATE_UINT32(mas1, ppcmas_tlb_t),
 577         VMSTATE_UINT64(mas2, ppcmas_tlb_t),
 578         VMSTATE_UINT64(mas7_3, ppcmas_tlb_t),
 579         VMSTATE_END_OF_LIST()
 580     },
 581 };
 582
 583 static bool tlbmas_needed(void *opaque)
 584 {
 585     PowerPCCPU *cpu = opaque;
 586     CPUPPCState *env = &cpu->env;
 587
 588     return env->nb_tlb && (env->tlb_type == TLB_MAS);
 589 }
 590
 591 static const VMStateDescription vmstate_tlbmas = {
 592     .name = "cpu/tlbmas",
 593     .version_id = 1,
 594     .minimum_version_id = 1,
 595     .needed = tlbmas_needed,
 596     .fields = (VMStateField[]) {
 597         VMSTATE_INT32_EQUAL(env.nb_tlb, PowerPCCPU, NULL),
 598         VMSTATE_STRUCT_VARRAY_POINTER_INT32(env.tlb.tlbm, PowerPCCPU,
 599                                             env.nb_tlb,
 600                                             vmstate_tlbmas_entry,
 601                                             ppcmas_tlb_t),
 602         VMSTATE_END_OF_LIST()
 603     }
 604 };
 605
 606 static bool compat_needed(void *opaque)
 607 {
 608     PowerPCCPU *cpu = opaque;
 609
 610     assert(!(cpu->compat_pvr && !cpu->vhyp));
 611     return !cpu->pre_2_10_migration && cpu->compat_pvr != 0;
 612 }
 613
 614 static const VMStateDescription vmstate_compat = {
 615     .name = "cpu/compat",
 616     .version_id = 1,
 617     .minimum_version_id = 1,
 618     .needed = compat_needed,
 619     .fields = (VMStateField[]) {
 620         VMSTATE_UINT32(compat_pvr, PowerPCCPU),
 621         VMSTATE_END_OF_LIST()
 622     }
 623 };
 624
 625 const VMStateDescription vmstate_ppc_cpu = {
 626     .name = "cpu",
 627     .version_id = 5,
 628     .minimum_version_id = 5,
 629     .minimum_version_id_old = 4,
 630     .load_state_old = cpu_load_old,
 631     .pre_save = cpu_pre_save,
 632     .post_load = cpu_post_load,
 633     .fields = (VMStateField[]) {
 634         VMSTATE_UNUSED(sizeof(target_ulong)), /* was _EQUAL(env.spr[SPR_PVR]) */
 635
 636         /* User mode architected state */
 637         VMSTATE_UINTTL_ARRAY(env.gpr, PowerPCCPU, 32),
 638 #if !defined(TARGET_PPC64)
 639         VMSTATE_UINTTL_ARRAY(env.gprh, PowerPCCPU, 32),
 640 #endif
 641         VMSTATE_UINT32_ARRAY(env.crf, PowerPCCPU, 8),
 642         VMSTATE_UINTTL(env.nip, PowerPCCPU),
 643
 644         /* SPRs */
 645         VMSTATE_UINTTL_ARRAY(env.spr, PowerPCCPU, 1024),
 646         VMSTATE_UINT64(env.spe_acc, PowerPCCPU),
 647
 648         /* Reservation */
 649         VMSTATE_UINTTL(env.reserve_addr, PowerPCCPU),
 650
 651         /* Supervisor mode architected state */
 652         VMSTATE_UINTTL(env.msr, PowerPCCPU),
 653
 654         /* Internal state */
 655         VMSTATE_UINTTL(env.hflags_nmsr, PowerPCCPU),
 656         /* FIXME: access_type? */
 657
 658         /* Sanity checking */
 659         VMSTATE_UINTTL_TEST(mig_msr_mask, PowerPCCPU, cpu_pre_2_8_migration),
 660         VMSTATE_UINT64_TEST(mig_insns_flags, PowerPCCPU, cpu_pre_2_8_migration),
 661         VMSTATE_UINT64_TEST(mig_insns_flags2, PowerPCCPU,
 662                             cpu_pre_2_8_migration),
 663         VMSTATE_UINT32_TEST(mig_nb_BATs, PowerPCCPU, cpu_pre_2_8_migration),
 664         VMSTATE_END_OF_LIST()
 665     },
 666     .subsections = (const VMStateDescription*[]) {
 667         &vmstate_fpu,
 668         &vmstate_altivec,
 669         &vmstate_vsx,
 670         &vmstate_sr,
 671 #ifdef TARGET_PPC64
 672         &vmstate_tm,
 673         &vmstate_slb,
 674 #endif /* TARGET_PPC64 */
 675         &vmstate_tlb6xx,
 676         &vmstate_tlbemb,
 677         &vmstate_tlbmas,
 678         &vmstate_compat,
 679         NULL
 680     }
 681 };