target/m68k/cpu.c

   1 /*
   2  * QEMU Motorola 68k CPU
   3  *
   4  * Copyright (c) 2012 SUSE LINUX Products GmbH
   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 2.1 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
  18  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "qapi/error.h"
  23 #include "cpu.h"
  24 #include "migration/vmstate.h"
  25 #include "fpu/softfloat.h"
  26
  27 static void m68k_cpu_set_pc(CPUState *cs, vaddr value)
  28 {
  29     M68kCPU *cpu = M68K_CPU(cs);
  30
  31     cpu->env.pc = value;
  32 }
  33
  34 static vaddr m68k_cpu_get_pc(CPUState *cs)
  35 {
  36     M68kCPU *cpu = M68K_CPU(cs);
  37
  38     return cpu->env.pc;
  39 }
  40
  41 static void m68k_restore_state_to_opc(CPUState *cs,
  42                                       const TranslationBlock *tb,
  43                                       const uint64_t *data)
  44 {
  45     M68kCPU *cpu = M68K_CPU(cs);
  46     int cc_op = data[1];
  47
  48     cpu->env.pc = data[0];
  49     if (cc_op != CC_OP_DYNAMIC) {
  50         cpu->env.cc_op = cc_op;
  51     }
  52 }
  53
  54 static bool m68k_cpu_has_work(CPUState *cs)
  55 {
  56     return cs->interrupt_request & CPU_INTERRUPT_HARD;
  57 }
  58
  59 static void m68k_set_feature(CPUM68KState *env, int feature)
  60 {
  61     env->features |= BIT_ULL(feature);
  62 }
  63
  64 static void m68k_unset_feature(CPUM68KState *env, int feature)
  65 {
  66     env->features &= ~BIT_ULL(feature);
  67 }
  68
  69 static void m68k_cpu_reset_hold(Object *obj)
  70 {
  71     CPUState *s = CPU(obj);
  72     M68kCPU *cpu = M68K_CPU(s);
  73     M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
  74     CPUM68KState *env = &cpu->env;
  75     floatx80 nan = floatx80_default_nan(NULL);
  76     int i;
  77
  78     if (mcc->parent_phases.hold) {
  79         mcc->parent_phases.hold(obj);
  80     }
  81
  82     memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
  83 #ifdef CONFIG_USER_ONLY
  84     cpu_m68k_set_sr(env, 0);
  85 #else
  86     cpu_m68k_set_sr(env, SR_S | SR_I);
  87 #endif
  88     for (i = 0; i < 8; i++) {
  89         env->fregs[i].d = nan;
  90     }
  91     cpu_m68k_set_fpcr(env, 0);
  92     env->fpsr = 0;
  93
  94     /* TODO: We should set PC from the interrupt vector.  */
  95     env->pc = 0;
  96 }
  97
  98 static void m68k_cpu_disas_set_info(CPUState *s, disassemble_info *info)
  99 {
 100     info->print_insn = print_insn_m68k;
 101     info->mach = 0;
 102 }
 103
 104 /* CPU models */
 105
 106 static ObjectClass *m68k_cpu_class_by_name(const char *cpu_model)
 107 {
 108     ObjectClass *oc;
 109     char *typename;
 110
 111     typename = g_strdup_printf(M68K_CPU_TYPE_NAME("%s"), cpu_model);
 112     oc = object_class_by_name(typename);
 113     g_free(typename);
 114     if (oc != NULL && object_class_dynamic_cast(oc, TYPE_M68K_CPU) == NULL) {
 115         return NULL;
 116     }
 117     return oc;
 118 }
 119
 120 static void m5206_cpu_initfn(Object *obj)
 121 {
 122     M68kCPU *cpu = M68K_CPU(obj);
 123     CPUM68KState *env = &cpu->env;
 124
 125     m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
 126     m68k_set_feature(env, M68K_FEATURE_MOVEFROMSR_PRIV);
 127 }
 128
 129 /* Base feature set, including isns. for m68k family */
 130 static void m68000_cpu_initfn(Object *obj)
 131 {
 132     M68kCPU *cpu = M68K_CPU(obj);
 133     CPUM68KState *env = &cpu->env;
 134
 135     m68k_set_feature(env, M68K_FEATURE_M68K);
 136     m68k_set_feature(env, M68K_FEATURE_USP);
 137     m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
 138     m68k_set_feature(env, M68K_FEATURE_MOVEP);
 139 }
 140
 141 /*
 142  * Adds BKPT, MOVE-from-SR *now priv instr, and MOVEC, MOVES, RTD
 143  */
 144 static void m68010_cpu_initfn(Object *obj)
 145 {
 146     M68kCPU *cpu = M68K_CPU(obj);
 147     CPUM68KState *env = &cpu->env;
 148
 149     m68000_cpu_initfn(obj);
 150     m68k_set_feature(env, M68K_FEATURE_M68010);
 151     m68k_set_feature(env, M68K_FEATURE_RTD);
 152     m68k_set_feature(env, M68K_FEATURE_BKPT);
 153     m68k_set_feature(env, M68K_FEATURE_MOVEC);
 154     m68k_set_feature(env, M68K_FEATURE_MOVEFROMSR_PRIV);
 155 }
 156
 157 /*
 158  * Adds BFCHG, BFCLR, BFEXTS, BFEXTU, BFFFO, BFINS, BFSET, BFTST, CAS, CAS2,
 159  *      CHK2, CMP2, DIVSL, DIVUL, EXTB, PACK, TRAPcc, UNPK.
 160  *
 161  * 68020/30 only:
 162  *      CALLM, cpBcc, cpDBcc, cpGEN, cpRESTORE, cpSAVE, cpScc, cpTRAPcc
 163  */
 164 static void m68020_cpu_initfn(Object *obj)
 165 {
 166     M68kCPU *cpu = M68K_CPU(obj);
 167     CPUM68KState *env = &cpu->env;
 168
 169     m68010_cpu_initfn(obj);
 170     m68k_unset_feature(env, M68K_FEATURE_M68010);
 171     m68k_set_feature(env, M68K_FEATURE_M68020);
 172     m68k_set_feature(env, M68K_FEATURE_QUAD_MULDIV);
 173     m68k_set_feature(env, M68K_FEATURE_BRAL);
 174     m68k_set_feature(env, M68K_FEATURE_BCCL);
 175     m68k_set_feature(env, M68K_FEATURE_BITFIELD);
 176     m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
 177     m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
 178     m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
 179     m68k_set_feature(env, M68K_FEATURE_FPU);
 180     m68k_set_feature(env, M68K_FEATURE_CAS);
 181     m68k_set_feature(env, M68K_FEATURE_CHK2);
 182     m68k_set_feature(env, M68K_FEATURE_MSP);
 183     m68k_set_feature(env, M68K_FEATURE_UNALIGNED_DATA);
 184     m68k_set_feature(env, M68K_FEATURE_TRAPCC);
 185 }
 186
 187 /*
 188  * Adds: PFLUSH (*5)
 189  * 68030 Only: PFLUSHA (*5), PLOAD (*5), PMOVE
 190  * 68030/40 Only: PTEST
 191  *
 192  * NOTES:
 193  *  5. Not valid on MC68EC030
 194  */
 195 static void m68030_cpu_initfn(Object *obj)
 196 {
 197     M68kCPU *cpu = M68K_CPU(obj);
 198     CPUM68KState *env = &cpu->env;
 199
 200     m68020_cpu_initfn(obj);
 201     m68k_unset_feature(env, M68K_FEATURE_M68020);
 202     m68k_set_feature(env, M68K_FEATURE_M68030);
 203 }
 204
 205 /*
 206  * Adds: CINV, CPUSH
 207  * Adds all with Note *2: FABS, FSABS, FDABS, FADD, FSADD, FDADD, FBcc, FCMP,
 208  *                        FDBcc, FDIV, FSDIV, FDDIV, FMOVE, FSMOVE, FDMOVE,
 209  *                        FMOVEM, FMUL, FSMUL, FDMUL, FNEG, FSNEG, FDNEG, FNOP,
 210  *                        FRESTORE, FSAVE, FScc, FSQRT, FSSQRT, FDSQRT, FSUB,
 211  *                        FSSUB, FDSUB, FTRAPcc, FTST
 212  *
 213  * Adds with Notes *2, and *3: FACOS, FASIN, FATAN, FATANH, FCOS, FCOSH, FETOX,
 214  *                             FETOXM, FGETEXP, FGETMAN, FINT, FINTRZ, FLOG10,
 215  *                             FLOG2, FLOGN, FLOGNP1, FMOD, FMOVECR, FREM,
 216  *                             FSCALE, FSGLDIV, FSGLMUL, FSIN, FSINCOS, FSINH,
 217  *                             FTAN, FTANH, FTENTOX, FTWOTOX
 218  * NOTES:
 219  * 2. Not applicable to the MC68EC040, MC68LC040, MC68EC060, and MC68LC060.
 220  * 3. These are software-supported instructions on the MC68040 and MC68060.
 221  */
 222 static void m68040_cpu_initfn(Object *obj)
 223 {
 224     M68kCPU *cpu = M68K_CPU(obj);
 225     CPUM68KState *env = &cpu->env;
 226
 227     m68030_cpu_initfn(obj);
 228     m68k_unset_feature(env, M68K_FEATURE_M68030);
 229     m68k_set_feature(env, M68K_FEATURE_M68040);
 230 }
 231
 232 /*
 233  * Adds: PLPA
 234  * Adds all with Note *2: CAS, CAS2, MULS, MULU, CHK2, CMP2, DIVS, DIVU
 235  * All Fxxxx instructions are as per m68040 with exception to; FMOVEM NOTE3
 236  *
 237  * Does NOT implement MOVEP
 238  *
 239  * NOTES:
 240  * 2. Not applicable to the MC68EC040, MC68LC040, MC68EC060, and MC68LC060.
 241  * 3. These are software-supported instructions on the MC68040 and MC68060.
 242  */
 243 static void m68060_cpu_initfn(Object *obj)
 244 {
 245     M68kCPU *cpu = M68K_CPU(obj);
 246     CPUM68KState *env = &cpu->env;
 247
 248     m68040_cpu_initfn(obj);
 249     m68k_unset_feature(env, M68K_FEATURE_M68040);
 250     m68k_set_feature(env, M68K_FEATURE_M68060);
 251     m68k_unset_feature(env, M68K_FEATURE_MOVEP);
 252
 253     /* Implemented as a software feature */
 254     m68k_unset_feature(env, M68K_FEATURE_QUAD_MULDIV);
 255 }
 256
 257 static void m5208_cpu_initfn(Object *obj)
 258 {
 259     M68kCPU *cpu = M68K_CPU(obj);
 260     CPUM68KState *env = &cpu->env;
 261
 262     m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
 263     m68k_set_feature(env, M68K_FEATURE_CF_ISA_APLUSC);
 264     m68k_set_feature(env, M68K_FEATURE_BRAL);
 265     m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
 266     m68k_set_feature(env, M68K_FEATURE_USP);
 267     m68k_set_feature(env, M68K_FEATURE_MOVEFROMSR_PRIV);
 268 }
 269
 270 static void cfv4e_cpu_initfn(Object *obj)
 271 {
 272     M68kCPU *cpu = M68K_CPU(obj);
 273     CPUM68KState *env = &cpu->env;
 274
 275     m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
 276     m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
 277     m68k_set_feature(env, M68K_FEATURE_BRAL);
 278     m68k_set_feature(env, M68K_FEATURE_CF_FPU);
 279     m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
 280     m68k_set_feature(env, M68K_FEATURE_USP);
 281     m68k_set_feature(env, M68K_FEATURE_MOVEFROMSR_PRIV);
 282 }
 283
 284 static void any_cpu_initfn(Object *obj)
 285 {
 286     M68kCPU *cpu = M68K_CPU(obj);
 287     CPUM68KState *env = &cpu->env;
 288
 289     m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
 290     m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
 291     m68k_set_feature(env, M68K_FEATURE_CF_ISA_APLUSC);
 292     m68k_set_feature(env, M68K_FEATURE_BRAL);
 293     m68k_set_feature(env, M68K_FEATURE_CF_FPU);
 294     /*
 295      * MAC and EMAC are mututally exclusive, so pick EMAC.
 296      * It's mostly backwards compatible.
 297      */
 298     m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
 299     m68k_set_feature(env, M68K_FEATURE_CF_EMAC_B);
 300     m68k_set_feature(env, M68K_FEATURE_USP);
 301     m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
 302     m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
 303     m68k_set_feature(env, M68K_FEATURE_MOVEFROMSR_PRIV);
 304 }
 305
 306 static void m68k_cpu_realizefn(DeviceState *dev, Error **errp)
 307 {
 308     CPUState *cs = CPU(dev);
 309     M68kCPU *cpu = M68K_CPU(dev);
 310     M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
 311     Error *local_err = NULL;
 312
 313     register_m68k_insns(&cpu->env);
 314
 315     cpu_exec_realizefn(cs, &local_err);
 316     if (local_err != NULL) {
 317         error_propagate(errp, local_err);
 318         return;
 319     }
 320
 321     m68k_cpu_init_gdb(cpu);
 322
 323     cpu_reset(cs);
 324     qemu_init_vcpu(cs);
 325
 326     mcc->parent_realize(dev, errp);
 327 }
 328
 329 #if !defined(CONFIG_USER_ONLY)
 330 static bool fpu_needed(void *opaque)
 331 {
 332     M68kCPU *s = opaque;
 333
 334     return m68k_feature(&s->env, M68K_FEATURE_CF_FPU) ||
 335            m68k_feature(&s->env, M68K_FEATURE_FPU);
 336 }
 337
 338 typedef struct m68k_FPReg_tmp {
 339     FPReg *parent;
 340     uint64_t tmp_mant;
 341     uint16_t tmp_exp;
 342 } m68k_FPReg_tmp;
 343
 344 static void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f)
 345 {
 346     CPU_LDoubleU temp;
 347
 348     temp.d = f;
 349     *pmant = temp.l.lower;
 350     *pexp = temp.l.upper;
 351 }
 352
 353 static floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper)
 354 {
 355     CPU_LDoubleU temp;
 356
 357     temp.l.upper = upper;
 358     temp.l.lower = mant;
 359     return temp.d;
 360 }
 361
 362 static int freg_pre_save(void *opaque)
 363 {
 364     m68k_FPReg_tmp *tmp = opaque;
 365
 366     cpu_get_fp80(&tmp->tmp_mant, &tmp->tmp_exp, tmp->parent->d);
 367
 368     return 0;
 369 }
 370
 371 static int freg_post_load(void *opaque, int version)
 372 {
 373     m68k_FPReg_tmp *tmp = opaque;
 374
 375     tmp->parent->d = cpu_set_fp80(tmp->tmp_mant, tmp->tmp_exp);
 376
 377     return 0;
 378 }
 379
 380 static const VMStateDescription vmstate_freg_tmp = {
 381     .name = "freg_tmp",
 382     .post_load = freg_post_load,
 383     .pre_save  = freg_pre_save,
 384     .fields = (VMStateField[]) {
 385         VMSTATE_UINT64(tmp_mant, m68k_FPReg_tmp),
 386         VMSTATE_UINT16(tmp_exp, m68k_FPReg_tmp),
 387         VMSTATE_END_OF_LIST()
 388     }
 389 };
 390
 391 static const VMStateDescription vmstate_freg = {
 392     .name = "freg",
 393     .fields = (VMStateField[]) {
 394         VMSTATE_WITH_TMP(FPReg, m68k_FPReg_tmp, vmstate_freg_tmp),
 395         VMSTATE_END_OF_LIST()
 396     }
 397 };
 398
 399 static int fpu_post_load(void *opaque, int version)
 400 {
 401     M68kCPU *s = opaque;
 402
 403     cpu_m68k_restore_fp_status(&s->env);
 404
 405     return 0;
 406 }
 407
 408 const VMStateDescription vmmstate_fpu = {
 409     .name = "cpu/fpu",
 410     .version_id = 1,
 411     .minimum_version_id = 1,
 412     .needed = fpu_needed,
 413     .post_load = fpu_post_load,
 414     .fields = (VMStateField[]) {
 415         VMSTATE_UINT32(env.fpcr, M68kCPU),
 416         VMSTATE_UINT32(env.fpsr, M68kCPU),
 417         VMSTATE_STRUCT_ARRAY(env.fregs, M68kCPU, 8, 0, vmstate_freg, FPReg),
 418         VMSTATE_STRUCT(env.fp_result, M68kCPU, 0, vmstate_freg, FPReg),
 419         VMSTATE_END_OF_LIST()
 420     }
 421 };
 422
 423 static bool cf_spregs_needed(void *opaque)
 424 {
 425     M68kCPU *s = opaque;
 426
 427     return m68k_feature(&s->env, M68K_FEATURE_CF_ISA_A);
 428 }
 429
 430 const VMStateDescription vmstate_cf_spregs = {
 431     .name = "cpu/cf_spregs",
 432     .version_id = 1,
 433     .minimum_version_id = 1,
 434     .needed = cf_spregs_needed,
 435     .fields = (VMStateField[]) {
 436         VMSTATE_UINT64_ARRAY(env.macc, M68kCPU, 4),
 437         VMSTATE_UINT32(env.macsr, M68kCPU),
 438         VMSTATE_UINT32(env.mac_mask, M68kCPU),
 439         VMSTATE_UINT32(env.rambar0, M68kCPU),
 440         VMSTATE_UINT32(env.mbar, M68kCPU),
 441         VMSTATE_END_OF_LIST()
 442     }
 443 };
 444
 445 static bool cpu_68040_mmu_needed(void *opaque)
 446 {
 447     M68kCPU *s = opaque;
 448
 449     return m68k_feature(&s->env, M68K_FEATURE_M68040);
 450 }
 451
 452 const VMStateDescription vmstate_68040_mmu = {
 453     .name = "cpu/68040_mmu",
 454     .version_id = 1,
 455     .minimum_version_id = 1,
 456     .needed = cpu_68040_mmu_needed,
 457     .fields = (VMStateField[]) {
 458         VMSTATE_UINT32(env.mmu.ar, M68kCPU),
 459         VMSTATE_UINT32(env.mmu.ssw, M68kCPU),
 460         VMSTATE_UINT16(env.mmu.tcr, M68kCPU),
 461         VMSTATE_UINT32(env.mmu.urp, M68kCPU),
 462         VMSTATE_UINT32(env.mmu.srp, M68kCPU),
 463         VMSTATE_BOOL(env.mmu.fault, M68kCPU),
 464         VMSTATE_UINT32_ARRAY(env.mmu.ttr, M68kCPU, 4),
 465         VMSTATE_UINT32(env.mmu.mmusr, M68kCPU),
 466         VMSTATE_END_OF_LIST()
 467     }
 468 };
 469
 470 static bool cpu_68040_spregs_needed(void *opaque)
 471 {
 472     M68kCPU *s = opaque;
 473
 474     return m68k_feature(&s->env, M68K_FEATURE_M68040);
 475 }
 476
 477 const VMStateDescription vmstate_68040_spregs = {
 478     .name = "cpu/68040_spregs",
 479     .version_id = 1,
 480     .minimum_version_id = 1,
 481     .needed = cpu_68040_spregs_needed,
 482     .fields = (VMStateField[]) {
 483         VMSTATE_UINT32(env.vbr, M68kCPU),
 484         VMSTATE_UINT32(env.cacr, M68kCPU),
 485         VMSTATE_UINT32(env.sfc, M68kCPU),
 486         VMSTATE_UINT32(env.dfc, M68kCPU),
 487         VMSTATE_END_OF_LIST()
 488     }
 489 };
 490
 491 static const VMStateDescription vmstate_m68k_cpu = {
 492     .name = "cpu",
 493     .version_id = 1,
 494     .minimum_version_id = 1,
 495     .fields      = (VMStateField[]) {
 496         VMSTATE_UINT32_ARRAY(env.dregs, M68kCPU, 8),
 497         VMSTATE_UINT32_ARRAY(env.aregs, M68kCPU, 8),
 498         VMSTATE_UINT32(env.pc, M68kCPU),
 499         VMSTATE_UINT32(env.sr, M68kCPU),
 500         VMSTATE_INT32(env.current_sp, M68kCPU),
 501         VMSTATE_UINT32_ARRAY(env.sp, M68kCPU, 3),
 502         VMSTATE_UINT32(env.cc_op, M68kCPU),
 503         VMSTATE_UINT32(env.cc_x, M68kCPU),
 504         VMSTATE_UINT32(env.cc_n, M68kCPU),
 505         VMSTATE_UINT32(env.cc_v, M68kCPU),
 506         VMSTATE_UINT32(env.cc_c, M68kCPU),
 507         VMSTATE_UINT32(env.cc_z, M68kCPU),
 508         VMSTATE_INT32(env.pending_vector, M68kCPU),
 509         VMSTATE_INT32(env.pending_level, M68kCPU),
 510         VMSTATE_END_OF_LIST()
 511     },
 512     .subsections = (const VMStateDescription * []) {
 513         &vmmstate_fpu,
 514         &vmstate_cf_spregs,
 515         &vmstate_68040_mmu,
 516         &vmstate_68040_spregs,
 517         NULL
 518     },
 519 };
 520
 521 #include "hw/core/sysemu-cpu-ops.h"
 522
 523 static const struct SysemuCPUOps m68k_sysemu_ops = {
 524     .get_phys_page_debug = m68k_cpu_get_phys_page_debug,
 525 };
 526 #endif /* !CONFIG_USER_ONLY */
 527
 528 #include "hw/core/tcg-cpu-ops.h"
 529
 530 static const struct TCGCPUOps m68k_tcg_ops = {
 531     .initialize = m68k_tcg_init,
 532     .restore_state_to_opc = m68k_restore_state_to_opc,
 533
 534 #ifndef CONFIG_USER_ONLY
 535     .tlb_fill = m68k_cpu_tlb_fill,
 536     .cpu_exec_interrupt = m68k_cpu_exec_interrupt,
 537     .do_interrupt = m68k_cpu_do_interrupt,
 538     .do_transaction_failed = m68k_cpu_transaction_failed,
 539 #endif /* !CONFIG_USER_ONLY */
 540 };
 541
 542 static void m68k_cpu_class_init(ObjectClass *c, void *data)
 543 {
 544     M68kCPUClass *mcc = M68K_CPU_CLASS(c);
 545     CPUClass *cc = CPU_CLASS(c);
 546     DeviceClass *dc = DEVICE_CLASS(c);
 547     ResettableClass *rc = RESETTABLE_CLASS(c);
 548
 549     device_class_set_parent_realize(dc, m68k_cpu_realizefn,
 550                                     &mcc->parent_realize);
 551     resettable_class_set_parent_phases(rc, NULL, m68k_cpu_reset_hold, NULL,
 552                                        &mcc->parent_phases);
 553
 554     cc->class_by_name = m68k_cpu_class_by_name;
 555     cc->has_work = m68k_cpu_has_work;
 556     cc->dump_state = m68k_cpu_dump_state;
 557     cc->set_pc = m68k_cpu_set_pc;
 558     cc->get_pc = m68k_cpu_get_pc;
 559     cc->gdb_read_register = m68k_cpu_gdb_read_register;
 560     cc->gdb_write_register = m68k_cpu_gdb_write_register;
 561 #if !defined(CONFIG_USER_ONLY)
 562     dc->vmsd = &vmstate_m68k_cpu;
 563     cc->sysemu_ops = &m68k_sysemu_ops;
 564 #endif
 565     cc->disas_set_info = m68k_cpu_disas_set_info;
 566
 567     cc->gdb_num_core_regs = 18;
 568     cc->tcg_ops = &m68k_tcg_ops;
 569 }
 570
 571 static void m68k_cpu_class_init_cf_core(ObjectClass *c, void *data)
 572 {
 573     CPUClass *cc = CPU_CLASS(c);
 574
 575     cc->gdb_core_xml_file = "cf-core.xml";
 576 }
 577
 578 #define DEFINE_M68K_CPU_TYPE_CF(model)               \
 579     {                                                \
 580         .name = M68K_CPU_TYPE_NAME(#model),          \
 581         .instance_init = model##_cpu_initfn,         \
 582         .parent = TYPE_M68K_CPU,                     \
 583         .class_init = m68k_cpu_class_init_cf_core    \
 584     }
 585
 586 static void m68k_cpu_class_init_m68k_core(ObjectClass *c, void *data)
 587 {
 588     CPUClass *cc = CPU_CLASS(c);
 589
 590     cc->gdb_core_xml_file = "m68k-core.xml";
 591 }
 592
 593 #define DEFINE_M68K_CPU_TYPE_M68K(model)             \
 594     {                                                \
 595         .name = M68K_CPU_TYPE_NAME(#model),          \
 596         .instance_init = model##_cpu_initfn,         \
 597         .parent = TYPE_M68K_CPU,                     \
 598         .class_init = m68k_cpu_class_init_m68k_core  \
 599     }
 600
 601 static const TypeInfo m68k_cpus_type_infos[] = {
 602     { /* base class should be registered first */
 603         .name = TYPE_M68K_CPU,
 604         .parent = TYPE_CPU,
 605         .instance_size = sizeof(M68kCPU),
 606         .instance_align = __alignof(M68kCPU),
 607         .abstract = true,
 608         .class_size = sizeof(M68kCPUClass),
 609         .class_init = m68k_cpu_class_init,
 610     },
 611     DEFINE_M68K_CPU_TYPE_M68K(m68000),
 612     DEFINE_M68K_CPU_TYPE_M68K(m68010),
 613     DEFINE_M68K_CPU_TYPE_M68K(m68020),
 614     DEFINE_M68K_CPU_TYPE_M68K(m68030),
 615     DEFINE_M68K_CPU_TYPE_M68K(m68040),
 616     DEFINE_M68K_CPU_TYPE_M68K(m68060),
 617     DEFINE_M68K_CPU_TYPE_CF(m5206),
 618     DEFINE_M68K_CPU_TYPE_CF(m5208),
 619     DEFINE_M68K_CPU_TYPE_CF(cfv4e),
 620     DEFINE_M68K_CPU_TYPE_CF(any),
 621 };
 622
 623 DEFINE_TYPES(m68k_cpus_type_infos)