target/riscv/cpu.c

   1 /*
   2  * QEMU RISC-V CPU
   3  *
   4  * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
   5  * Copyright (c) 2017-2018 SiFive, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms and conditions of the GNU General Public License,
   9  * version 2 or later, as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "qemu/osdep.h"
  21 #include "qemu/qemu-print.h"
  22 #include "qemu/ctype.h"
  23 #include "qemu/log.h"
  24 #include "cpu.h"
  25 #include "exec/exec-all.h"
  26 #include "qapi/error.h"
  27 #include "qemu/error-report.h"
  28 #include "hw/qdev-properties.h"
  29 #include "migration/vmstate.h"
  30 #include "fpu/softfloat-helpers.h"
  31
  32 /* RISC-V CPU definitions */
  33
  34 static const char riscv_exts[26] = "IEMAFDQCLBJTPVNSUHKORWXYZG";
  35
  36 const char * const riscv_int_regnames[] = {
  37   "x0/zero", "x1/ra",  "x2/sp",  "x3/gp",  "x4/tp",  "x5/t0",   "x6/t1",
  38   "x7/t2",   "x8/s0",  "x9/s1",  "x10/a0", "x11/a1", "x12/a2",  "x13/a3",
  39   "x14/a4",  "x15/a5", "x16/a6", "x17/a7", "x18/s2", "x19/s3",  "x20/s4",
  40   "x21/s5",  "x22/s6", "x23/s7", "x24/s8", "x25/s9", "x26/s10", "x27/s11",
  41   "x28/t3",  "x29/t4", "x30/t5", "x31/t6"
  42 };
  43
  44 const char * const riscv_fpr_regnames[] = {
  45   "f0/ft0",   "f1/ft1",  "f2/ft2",   "f3/ft3",   "f4/ft4",  "f5/ft5",
  46   "f6/ft6",   "f7/ft7",  "f8/fs0",   "f9/fs1",   "f10/fa0", "f11/fa1",
  47   "f12/fa2",  "f13/fa3", "f14/fa4",  "f15/fa5",  "f16/fa6", "f17/fa7",
  48   "f18/fs2",  "f19/fs3", "f20/fs4",  "f21/fs5",  "f22/fs6", "f23/fs7",
  49   "f24/fs8",  "f25/fs9", "f26/fs10", "f27/fs11", "f28/ft8", "f29/ft9",
  50   "f30/ft10", "f31/ft11"
  51 };
  52
  53 const char * const riscv_excp_names[] = {
  54     "misaligned_fetch",
  55     "fault_fetch",
  56     "illegal_instruction",
  57     "breakpoint",
  58     "misaligned_load",
  59     "fault_load",
  60     "misaligned_store",
  61     "fault_store",
  62     "user_ecall",
  63     "supervisor_ecall",
  64     "hypervisor_ecall",
  65     "machine_ecall",
  66     "exec_page_fault",
  67     "load_page_fault",
  68     "reserved",
  69     "store_page_fault"
  70 };
  71
  72 const char * const riscv_intr_names[] = {
  73     "u_software",
  74     "s_software",
  75     "h_software",
  76     "m_software",
  77     "u_timer",
  78     "s_timer",
  79     "h_timer",
  80     "m_timer",
  81     "u_external",
  82     "s_external",
  83     "h_external",
  84     "m_external",
  85     "reserved",
  86     "reserved",
  87     "reserved",
  88     "reserved"
  89 };
  90
  91 static void set_misa(CPURISCVState *env, target_ulong misa)
  92 {
  93     env->misa_mask = env->misa = misa;
  94 }
  95
  96 static void set_priv_version(CPURISCVState *env, int priv_ver)
  97 {
  98     env->priv_ver = priv_ver;
  99 }
 100
 101 static void set_feature(CPURISCVState *env, int feature)
 102 {
 103     env->features |= (1ULL << feature);
 104 }
 105
 106 static void set_resetvec(CPURISCVState *env, int resetvec)
 107 {
 108 #ifndef CONFIG_USER_ONLY
 109     env->resetvec = resetvec;
 110 #endif
 111 }
 112
 113 static void riscv_any_cpu_init(Object *obj)
 114 {
 115     CPURISCVState *env = &RISCV_CPU(obj)->env;
 116     set_misa(env, RVXLEN | RVI | RVM | RVA | RVF | RVD | RVC | RVU);
 117     set_priv_version(env, PRIV_VERSION_1_11_0);
 118     set_resetvec(env, DEFAULT_RSTVEC);
 119 }
 120
 121 #if defined(TARGET_RISCV32)
 122
 123 static void riscv_base32_cpu_init(Object *obj)
 124 {
 125     CPURISCVState *env = &RISCV_CPU(obj)->env;
 126     /* We set this in the realise function */
 127     set_misa(env, 0);
 128 }
 129
 130 static void rv32gcsu_priv1_09_1_cpu_init(Object *obj)
 131 {
 132     CPURISCVState *env = &RISCV_CPU(obj)->env;
 133     set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
 134     set_priv_version(env, PRIV_VERSION_1_09_1);
 135     set_resetvec(env, DEFAULT_RSTVEC);
 136     set_feature(env, RISCV_FEATURE_MMU);
 137     set_feature(env, RISCV_FEATURE_PMP);
 138 }
 139
 140 static void rv32gcsu_priv1_10_0_cpu_init(Object *obj)
 141 {
 142     CPURISCVState *env = &RISCV_CPU(obj)->env;
 143     set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
 144     set_priv_version(env, PRIV_VERSION_1_10_0);
 145     set_resetvec(env, DEFAULT_RSTVEC);
 146     set_feature(env, RISCV_FEATURE_MMU);
 147     set_feature(env, RISCV_FEATURE_PMP);
 148 }
 149
 150 static void rv32imacu_nommu_cpu_init(Object *obj)
 151 {
 152     CPURISCVState *env = &RISCV_CPU(obj)->env;
 153     set_misa(env, RV32 | RVI | RVM | RVA | RVC | RVU);
 154     set_priv_version(env, PRIV_VERSION_1_10_0);
 155     set_resetvec(env, DEFAULT_RSTVEC);
 156     set_feature(env, RISCV_FEATURE_PMP);
 157 }
 158
 159 #elif defined(TARGET_RISCV64)
 160
 161 static void riscv_base64_cpu_init(Object *obj)
 162 {
 163     CPURISCVState *env = &RISCV_CPU(obj)->env;
 164     /* We set this in the realise function */
 165     set_misa(env, 0);
 166 }
 167
 168 static void rv64gcsu_priv1_09_1_cpu_init(Object *obj)
 169 {
 170     CPURISCVState *env = &RISCV_CPU(obj)->env;
 171     set_misa(env, RV64 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
 172     set_priv_version(env, PRIV_VERSION_1_09_1);
 173     set_resetvec(env, DEFAULT_RSTVEC);
 174     set_feature(env, RISCV_FEATURE_MMU);
 175     set_feature(env, RISCV_FEATURE_PMP);
 176 }
 177
 178 static void rv64gcsu_priv1_10_0_cpu_init(Object *obj)
 179 {
 180     CPURISCVState *env = &RISCV_CPU(obj)->env;
 181     set_misa(env, RV64 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
 182     set_priv_version(env, PRIV_VERSION_1_10_0);
 183     set_resetvec(env, DEFAULT_RSTVEC);
 184     set_feature(env, RISCV_FEATURE_MMU);
 185     set_feature(env, RISCV_FEATURE_PMP);
 186 }
 187
 188 static void rv64imacu_nommu_cpu_init(Object *obj)
 189 {
 190     CPURISCVState *env = &RISCV_CPU(obj)->env;
 191     set_misa(env, RV64 | RVI | RVM | RVA | RVC | RVU);
 192     set_priv_version(env, PRIV_VERSION_1_10_0);
 193     set_resetvec(env, DEFAULT_RSTVEC);
 194     set_feature(env, RISCV_FEATURE_PMP);
 195 }
 196
 197 #endif
 198
 199 static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model)
 200 {
 201     ObjectClass *oc;
 202     char *typename;
 203     char **cpuname;
 204
 205     cpuname = g_strsplit(cpu_model, ",", 1);
 206     typename = g_strdup_printf(RISCV_CPU_TYPE_NAME("%s"), cpuname[0]);
 207     oc = object_class_by_name(typename);
 208     g_strfreev(cpuname);
 209     g_free(typename);
 210     if (!oc || !object_class_dynamic_cast(oc, TYPE_RISCV_CPU) ||
 211         object_class_is_abstract(oc)) {
 212         return NULL;
 213     }
 214     return oc;
 215 }
 216
 217 static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 218 {
 219     RISCVCPU *cpu = RISCV_CPU(cs);
 220     CPURISCVState *env = &cpu->env;
 221     int i;
 222
 223     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "pc      ", env->pc);
 224 #ifndef CONFIG_USER_ONLY
 225     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mhartid ", env->mhartid);
 226     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatus ", env->mstatus);
 227     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mip     ", env->mip);
 228     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mie     ", env->mie);
 229     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mideleg ", env->mideleg);
 230     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "medeleg ", env->medeleg);
 231     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtvec   ", env->mtvec);
 232     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mepc    ", env->mepc);
 233     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mcause  ", env->mcause);
 234 #endif
 235
 236     for (i = 0; i < 32; i++) {
 237         qemu_fprintf(f, " %s " TARGET_FMT_lx,
 238                      riscv_int_regnames[i], env->gpr[i]);
 239         if ((i & 3) == 3) {
 240             qemu_fprintf(f, "\n");
 241         }
 242     }
 243     if (flags & CPU_DUMP_FPU) {
 244         for (i = 0; i < 32; i++) {
 245             qemu_fprintf(f, " %s %016" PRIx64,
 246                          riscv_fpr_regnames[i], env->fpr[i]);
 247             if ((i & 3) == 3) {
 248                 qemu_fprintf(f, "\n");
 249             }
 250         }
 251     }
 252 }
 253
 254 static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
 255 {
 256     RISCVCPU *cpu = RISCV_CPU(cs);
 257     CPURISCVState *env = &cpu->env;
 258     env->pc = value;
 259 }
 260
 261 static void riscv_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
 262 {
 263     RISCVCPU *cpu = RISCV_CPU(cs);
 264     CPURISCVState *env = &cpu->env;
 265     env->pc = tb->pc;
 266 }
 267
 268 static bool riscv_cpu_has_work(CPUState *cs)
 269 {
 270 #ifndef CONFIG_USER_ONLY
 271     RISCVCPU *cpu = RISCV_CPU(cs);
 272     CPURISCVState *env = &cpu->env;
 273     /*
 274      * Definition of the WFI instruction requires it to ignore the privilege
 275      * mode and delegation registers, but respect individual enables
 276      */
 277     return (env->mip & env->mie) != 0;
 278 #else
 279     return true;
 280 #endif
 281 }
 282
 283 void restore_state_to_opc(CPURISCVState *env, TranslationBlock *tb,
 284                           target_ulong *data)
 285 {
 286     env->pc = data[0];
 287 }
 288
 289 static void riscv_cpu_reset(CPUState *cs)
 290 {
 291     RISCVCPU *cpu = RISCV_CPU(cs);
 292     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
 293     CPURISCVState *env = &cpu->env;
 294
 295     mcc->parent_reset(cs);
 296 #ifndef CONFIG_USER_ONLY
 297     env->priv = PRV_M;
 298     env->mstatus &= ~(MSTATUS_MIE | MSTATUS_MPRV);
 299     env->mcause = 0;
 300     env->pc = env->resetvec;
 301 #endif
 302     cs->exception_index = EXCP_NONE;
 303     env->load_res = -1;
 304     set_default_nan_mode(1, &env->fp_status);
 305 }
 306
 307 static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info)
 308 {
 309 #if defined(TARGET_RISCV32)
 310     info->print_insn = print_insn_riscv32;
 311 #elif defined(TARGET_RISCV64)
 312     info->print_insn = print_insn_riscv64;
 313 #endif
 314 }
 315
 316 static void riscv_cpu_realize(DeviceState *dev, Error **errp)
 317 {
 318     CPUState *cs = CPU(dev);
 319     RISCVCPU *cpu = RISCV_CPU(dev);
 320     CPURISCVState *env = &cpu->env;
 321     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev);
 322     int priv_version = PRIV_VERSION_1_11_0;
 323     target_ulong target_misa = 0;
 324     Error *local_err = NULL;
 325
 326     cpu_exec_realizefn(cs, &local_err);
 327     if (local_err != NULL) {
 328         error_propagate(errp, local_err);
 329         return;
 330     }
 331
 332     if (cpu->cfg.priv_spec) {
 333         if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
 334             priv_version = PRIV_VERSION_1_11_0;
 335         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
 336             priv_version = PRIV_VERSION_1_10_0;
 337         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.9.1")) {
 338             priv_version = PRIV_VERSION_1_09_1;
 339         } else {
 340             error_setg(errp,
 341                        "Unsupported privilege spec version '%s'",
 342                        cpu->cfg.priv_spec);
 343             return;
 344         }
 345     }
 346
 347     set_priv_version(env, priv_version);
 348     set_resetvec(env, DEFAULT_RSTVEC);
 349
 350     if (cpu->cfg.mmu) {
 351         set_feature(env, RISCV_FEATURE_MMU);
 352     }
 353
 354     if (cpu->cfg.pmp) {
 355         set_feature(env, RISCV_FEATURE_PMP);
 356     }
 357
 358     /* If misa isn't set (rv32 and rv64 machines) set it here */
 359     if (!env->misa) {
 360         /* Do some ISA extension error checking */
 361         if (cpu->cfg.ext_i && cpu->cfg.ext_e) {
 362             error_setg(errp,
 363                        "I and E extensions are incompatible");
 364                        return;
 365        }
 366
 367         if (!cpu->cfg.ext_i && !cpu->cfg.ext_e) {
 368             error_setg(errp,
 369                        "Either I or E extension must be set");
 370                        return;
 371        }
 372
 373        if (cpu->cfg.ext_g && !(cpu->cfg.ext_i & cpu->cfg.ext_m &
 374                                cpu->cfg.ext_a & cpu->cfg.ext_f &
 375                                cpu->cfg.ext_d)) {
 376             warn_report("Setting G will also set IMAFD");
 377             cpu->cfg.ext_i = true;
 378             cpu->cfg.ext_m = true;
 379             cpu->cfg.ext_a = true;
 380             cpu->cfg.ext_f = true;
 381             cpu->cfg.ext_d = true;
 382         }
 383
 384         /* Set the ISA extensions, checks should have happened above */
 385         if (cpu->cfg.ext_i) {
 386             target_misa |= RVI;
 387         }
 388         if (cpu->cfg.ext_e) {
 389             target_misa |= RVE;
 390         }
 391         if (cpu->cfg.ext_m) {
 392             target_misa |= RVM;
 393         }
 394         if (cpu->cfg.ext_a) {
 395             target_misa |= RVA;
 396         }
 397         if (cpu->cfg.ext_f) {
 398             target_misa |= RVF;
 399         }
 400         if (cpu->cfg.ext_d) {
 401             target_misa |= RVD;
 402         }
 403         if (cpu->cfg.ext_c) {
 404             target_misa |= RVC;
 405         }
 406         if (cpu->cfg.ext_s) {
 407             target_misa |= RVS;
 408         }
 409         if (cpu->cfg.ext_u) {
 410             target_misa |= RVU;
 411         }
 412
 413         set_misa(env, RVXLEN | target_misa);
 414     }
 415
 416     riscv_cpu_register_gdb_regs_for_features(cs);
 417
 418     qemu_init_vcpu(cs);
 419     cpu_reset(cs);
 420
 421     mcc->parent_realize(dev, errp);
 422 }
 423
 424 static void riscv_cpu_init(Object *obj)
 425 {
 426     RISCVCPU *cpu = RISCV_CPU(obj);
 427
 428     cpu_set_cpustate_pointers(cpu);
 429 }
 430
 431 static const VMStateDescription vmstate_riscv_cpu = {
 432     .name = "cpu",
 433     .unmigratable = 1,
 434 };
 435
 436 static Property riscv_cpu_properties[] = {
 437     DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true),
 438     DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false),
 439     DEFINE_PROP_BOOL("g", RISCVCPU, cfg.ext_g, true),
 440     DEFINE_PROP_BOOL("m", RISCVCPU, cfg.ext_m, true),
 441     DEFINE_PROP_BOOL("a", RISCVCPU, cfg.ext_a, true),
 442     DEFINE_PROP_BOOL("f", RISCVCPU, cfg.ext_f, true),
 443     DEFINE_PROP_BOOL("d", RISCVCPU, cfg.ext_d, true),
 444     DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
 445     DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
 446     DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
 447     DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
 448     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
 449     DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
 450     DEFINE_PROP_STRING("priv_spec", RISCVCPU, cfg.priv_spec),
 451     DEFINE_PROP_BOOL("mmu", RISCVCPU, cfg.mmu, true),
 452     DEFINE_PROP_BOOL("pmp", RISCVCPU, cfg.pmp, true),
 453     DEFINE_PROP_END_OF_LIST(),
 454 };
 455
 456 static void riscv_cpu_class_init(ObjectClass *c, void *data)
 457 {
 458     RISCVCPUClass *mcc = RISCV_CPU_CLASS(c);
 459     CPUClass *cc = CPU_CLASS(c);
 460     DeviceClass *dc = DEVICE_CLASS(c);
 461
 462     device_class_set_parent_realize(dc, riscv_cpu_realize,
 463                                     &mcc->parent_realize);
 464
 465     cpu_class_set_parent_reset(cc, riscv_cpu_reset, &mcc->parent_reset);
 466
 467     cc->class_by_name = riscv_cpu_class_by_name;
 468     cc->has_work = riscv_cpu_has_work;
 469     cc->do_interrupt = riscv_cpu_do_interrupt;
 470     cc->cpu_exec_interrupt = riscv_cpu_exec_interrupt;
 471     cc->dump_state = riscv_cpu_dump_state;
 472     cc->set_pc = riscv_cpu_set_pc;
 473     cc->synchronize_from_tb = riscv_cpu_synchronize_from_tb;
 474     cc->gdb_read_register = riscv_cpu_gdb_read_register;
 475     cc->gdb_write_register = riscv_cpu_gdb_write_register;
 476     cc->gdb_num_core_regs = 33;
 477 #if defined(TARGET_RISCV32)
 478     cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
 479 #elif defined(TARGET_RISCV64)
 480     cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
 481 #endif
 482     cc->gdb_stop_before_watchpoint = true;
 483     cc->disas_set_info = riscv_cpu_disas_set_info;
 484 #ifndef CONFIG_USER_ONLY
 485     cc->do_transaction_failed = riscv_cpu_do_transaction_failed;
 486     cc->do_unaligned_access = riscv_cpu_do_unaligned_access;
 487     cc->get_phys_page_debug = riscv_cpu_get_phys_page_debug;
 488 #endif
 489 #ifdef CONFIG_TCG
 490     cc->tcg_initialize = riscv_translate_init;
 491     cc->tlb_fill = riscv_cpu_tlb_fill;
 492 #endif
 493     /* For now, mark unmigratable: */
 494     cc->vmsd = &vmstate_riscv_cpu;
 495     device_class_set_props(dc, riscv_cpu_properties);
 496 }
 497
 498 char *riscv_isa_string(RISCVCPU *cpu)
 499 {
 500     int i;
 501     const size_t maxlen = sizeof("rv128") + sizeof(riscv_exts) + 1;
 502     char *isa_str = g_new(char, maxlen);
 503     char *p = isa_str + snprintf(isa_str, maxlen, "rv%d", TARGET_LONG_BITS);
 504     for (i = 0; i < sizeof(riscv_exts); i++) {
 505         if (cpu->env.misa & RV(riscv_exts[i])) {
 506             *p++ = qemu_tolower(riscv_exts[i]);
 507         }
 508     }
 509     *p = '\0';
 510     return isa_str;
 511 }
 512
 513 static gint riscv_cpu_list_compare(gconstpointer a, gconstpointer b)
 514 {
 515     ObjectClass *class_a = (ObjectClass *)a;
 516     ObjectClass *class_b = (ObjectClass *)b;
 517     const char *name_a, *name_b;
 518
 519     name_a = object_class_get_name(class_a);
 520     name_b = object_class_get_name(class_b);
 521     return strcmp(name_a, name_b);
 522 }
 523
 524 static void riscv_cpu_list_entry(gpointer data, gpointer user_data)
 525 {
 526     const char *typename = object_class_get_name(OBJECT_CLASS(data));
 527     int len = strlen(typename) - strlen(RISCV_CPU_TYPE_SUFFIX);
 528
 529     qemu_printf("%.*s\n", len, typename);
 530 }
 531
 532 void riscv_cpu_list(void)
 533 {
 534     GSList *list;
 535
 536     list = object_class_get_list(TYPE_RISCV_CPU, false);
 537     list = g_slist_sort(list, riscv_cpu_list_compare);
 538     g_slist_foreach(list, riscv_cpu_list_entry, NULL);
 539     g_slist_free(list);
 540 }
 541
 542 #define DEFINE_CPU(type_name, initfn)      \
 543     {                                      \
 544         .name = type_name,                 \
 545         .parent = TYPE_RISCV_CPU,          \
 546         .instance_init = initfn            \
 547     }
 548
 549 static const TypeInfo riscv_cpu_type_infos[] = {
 550     {
 551         .name = TYPE_RISCV_CPU,
 552         .parent = TYPE_CPU,
 553         .instance_size = sizeof(RISCVCPU),
 554         .instance_init = riscv_cpu_init,
 555         .abstract = true,
 556         .class_size = sizeof(RISCVCPUClass),
 557         .class_init = riscv_cpu_class_init,
 558     },
 559     DEFINE_CPU(TYPE_RISCV_CPU_ANY,              riscv_any_cpu_init),
 560 #if defined(TARGET_RISCV32)
 561     DEFINE_CPU(TYPE_RISCV_CPU_BASE32,           riscv_base32_cpu_init),
 562     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31,       rv32imacu_nommu_cpu_init),
 563     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34,       rv32gcsu_priv1_10_0_cpu_init),
 564     /* Depreacted */
 565     DEFINE_CPU(TYPE_RISCV_CPU_RV32IMACU_NOMMU,  rv32imacu_nommu_cpu_init),
 566     DEFINE_CPU(TYPE_RISCV_CPU_RV32GCSU_V1_09_1, rv32gcsu_priv1_09_1_cpu_init),
 567     DEFINE_CPU(TYPE_RISCV_CPU_RV32GCSU_V1_10_0, rv32gcsu_priv1_10_0_cpu_init)
 568 #elif defined(TARGET_RISCV64)
 569     DEFINE_CPU(TYPE_RISCV_CPU_BASE64,           riscv_base64_cpu_init),
 570     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E51,       rv64imacu_nommu_cpu_init),
 571     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54,       rv64gcsu_priv1_10_0_cpu_init),
 572     /* Deprecated */
 573     DEFINE_CPU(TYPE_RISCV_CPU_RV64IMACU_NOMMU,  rv64imacu_nommu_cpu_init),
 574     DEFINE_CPU(TYPE_RISCV_CPU_RV64GCSU_V1_09_1, rv64gcsu_priv1_09_1_cpu_init),
 575     DEFINE_CPU(TYPE_RISCV_CPU_RV64GCSU_V1_10_0, rv64gcsu_priv1_10_0_cpu_init)
 576 #endif
 577 };
 578
 579 DEFINE_TYPES(riscv_cpu_type_infos)