xref: /openbmc/qemu/target/riscv/cpu.c (revision e8905c6c)
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     "reserved",
71     "reserved",
72     "reserved",
73     "reserved",
74     "guest_exec_page_fault",
75     "guest_load_page_fault",
76     "reserved",
77     "guest_store_page_fault",
78 };
79 
80 const char * const riscv_intr_names[] = {
81     "u_software",
82     "s_software",
83     "vs_software",
84     "m_software",
85     "u_timer",
86     "s_timer",
87     "vs_timer",
88     "m_timer",
89     "u_external",
90     "vs_external",
91     "h_external",
92     "m_external",
93     "reserved",
94     "reserved",
95     "reserved",
96     "reserved"
97 };
98 
99 static void set_misa(CPURISCVState *env, target_ulong misa)
100 {
101     env->misa_mask = env->misa = misa;
102 }
103 
104 static void set_priv_version(CPURISCVState *env, int priv_ver)
105 {
106     env->priv_ver = priv_ver;
107 }
108 
109 static void set_feature(CPURISCVState *env, int feature)
110 {
111     env->features |= (1ULL << feature);
112 }
113 
114 static void set_resetvec(CPURISCVState *env, int resetvec)
115 {
116 #ifndef CONFIG_USER_ONLY
117     env->resetvec = resetvec;
118 #endif
119 }
120 
121 static void riscv_any_cpu_init(Object *obj)
122 {
123     CPURISCVState *env = &RISCV_CPU(obj)->env;
124     set_misa(env, RVXLEN | RVI | RVM | RVA | RVF | RVD | RVC | RVU);
125     set_priv_version(env, PRIV_VERSION_1_11_0);
126     set_resetvec(env, DEFAULT_RSTVEC);
127 }
128 
129 static void riscv_base_cpu_init(Object *obj)
130 {
131     CPURISCVState *env = &RISCV_CPU(obj)->env;
132     /* We set this in the realise function */
133     set_misa(env, 0);
134     set_resetvec(env, DEFAULT_RSTVEC);
135 }
136 
137 static void rvxx_gcsu_priv1_10_0_cpu_init(Object *obj)
138 {
139     CPURISCVState *env = &RISCV_CPU(obj)->env;
140     set_misa(env, RVXLEN | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
141     set_priv_version(env, PRIV_VERSION_1_10_0);
142     set_resetvec(env, DEFAULT_RSTVEC);
143 }
144 
145 static void rvxx_imacu_nommu_cpu_init(Object *obj)
146 {
147     CPURISCVState *env = &RISCV_CPU(obj)->env;
148     set_misa(env, RVXLEN | RVI | RVM | RVA | RVC | RVU);
149     set_priv_version(env, PRIV_VERSION_1_10_0);
150     set_resetvec(env, DEFAULT_RSTVEC);
151     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
152 }
153 
154 #if defined(TARGET_RISCV32)
155 
156 static void rv32_ibex_cpu_init(Object *obj)
157 {
158     CPURISCVState *env = &RISCV_CPU(obj)->env;
159     set_misa(env, RV32 | RVI | RVM | RVC | RVU);
160     set_priv_version(env, PRIV_VERSION_1_10_0);
161     set_resetvec(env, 0x8090);
162     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
163 }
164 
165 static void rv32_imafcu_nommu_cpu_init(Object *obj)
166 {
167     CPURISCVState *env = &RISCV_CPU(obj)->env;
168     set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVC | RVU);
169     set_priv_version(env, PRIV_VERSION_1_10_0);
170     set_resetvec(env, DEFAULT_RSTVEC);
171     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
172 }
173 
174 #endif
175 
176 static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model)
177 {
178     ObjectClass *oc;
179     char *typename;
180     char **cpuname;
181 
182     cpuname = g_strsplit(cpu_model, ",", 1);
183     typename = g_strdup_printf(RISCV_CPU_TYPE_NAME("%s"), cpuname[0]);
184     oc = object_class_by_name(typename);
185     g_strfreev(cpuname);
186     g_free(typename);
187     if (!oc || !object_class_dynamic_cast(oc, TYPE_RISCV_CPU) ||
188         object_class_is_abstract(oc)) {
189         return NULL;
190     }
191     return oc;
192 }
193 
194 static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
195 {
196     RISCVCPU *cpu = RISCV_CPU(cs);
197     CPURISCVState *env = &cpu->env;
198     int i;
199 
200 #if !defined(CONFIG_USER_ONLY)
201     if (riscv_has_ext(env, RVH)) {
202         qemu_fprintf(f, " %s %d\n", "V      =  ", riscv_cpu_virt_enabled(env));
203     }
204 #endif
205     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "pc      ", env->pc);
206 #ifndef CONFIG_USER_ONLY
207     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mhartid ", env->mhartid);
208     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatus ", env->mstatus);
209 #ifdef TARGET_RISCV32
210     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatush ", env->mstatush);
211 #endif
212     if (riscv_has_ext(env, RVH)) {
213         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "hstatus ", env->hstatus);
214         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "vsstatus ", env->vsstatus);
215     }
216     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mip     ", env->mip);
217     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mie     ", env->mie);
218     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mideleg ", env->mideleg);
219     if (riscv_has_ext(env, RVH)) {
220         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "hideleg ", env->hideleg);
221     }
222     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "medeleg ", env->medeleg);
223     if (riscv_has_ext(env, RVH)) {
224         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "hedeleg ", env->hedeleg);
225     }
226     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtvec   ", env->mtvec);
227     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "stvec   ", env->stvec);
228     if (riscv_has_ext(env, RVH)) {
229         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "vstvec  ", env->vstvec);
230     }
231     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mepc    ", env->mepc);
232     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "sepc    ", env->sepc);
233     if (riscv_has_ext(env, RVH)) {
234         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "vsepc   ", env->vsepc);
235     }
236     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mcause  ", env->mcause);
237     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "scause  ", env->scause);
238     if (riscv_has_ext(env, RVH)) {
239         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "vscause ", env->vscause);
240     }
241     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtval ", env->mtval);
242     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "stval ", env->sbadaddr);
243     if (riscv_has_ext(env, RVH)) {
244         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "htval ", env->htval);
245         qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtval2 ", env->mtval2);
246     }
247 #endif
248 
249     for (i = 0; i < 32; i++) {
250         qemu_fprintf(f, " %s " TARGET_FMT_lx,
251                      riscv_int_regnames[i], env->gpr[i]);
252         if ((i & 3) == 3) {
253             qemu_fprintf(f, "\n");
254         }
255     }
256     if (flags & CPU_DUMP_FPU) {
257         for (i = 0; i < 32; i++) {
258             qemu_fprintf(f, " %s %016" PRIx64,
259                          riscv_fpr_regnames[i], env->fpr[i]);
260             if ((i & 3) == 3) {
261                 qemu_fprintf(f, "\n");
262             }
263         }
264     }
265 }
266 
267 static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
268 {
269     RISCVCPU *cpu = RISCV_CPU(cs);
270     CPURISCVState *env = &cpu->env;
271     env->pc = value;
272 }
273 
274 static void riscv_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
275 {
276     RISCVCPU *cpu = RISCV_CPU(cs);
277     CPURISCVState *env = &cpu->env;
278     env->pc = tb->pc;
279 }
280 
281 static bool riscv_cpu_has_work(CPUState *cs)
282 {
283 #ifndef CONFIG_USER_ONLY
284     RISCVCPU *cpu = RISCV_CPU(cs);
285     CPURISCVState *env = &cpu->env;
286     /*
287      * Definition of the WFI instruction requires it to ignore the privilege
288      * mode and delegation registers, but respect individual enables
289      */
290     return (env->mip & env->mie) != 0;
291 #else
292     return true;
293 #endif
294 }
295 
296 void restore_state_to_opc(CPURISCVState *env, TranslationBlock *tb,
297                           target_ulong *data)
298 {
299     env->pc = data[0];
300 }
301 
302 static void riscv_cpu_reset(DeviceState *dev)
303 {
304     CPUState *cs = CPU(dev);
305     RISCVCPU *cpu = RISCV_CPU(cs);
306     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
307     CPURISCVState *env = &cpu->env;
308 
309     mcc->parent_reset(dev);
310 #ifndef CONFIG_USER_ONLY
311     env->priv = PRV_M;
312     env->mstatus &= ~(MSTATUS_MIE | MSTATUS_MPRV);
313     env->mcause = 0;
314     env->pc = env->resetvec;
315 #endif
316     cs->exception_index = EXCP_NONE;
317     env->load_res = -1;
318     set_default_nan_mode(1, &env->fp_status);
319 }
320 
321 static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info)
322 {
323 #if defined(TARGET_RISCV32)
324     info->print_insn = print_insn_riscv32;
325 #elif defined(TARGET_RISCV64)
326     info->print_insn = print_insn_riscv64;
327 #endif
328 }
329 
330 static void riscv_cpu_realize(DeviceState *dev, Error **errp)
331 {
332     CPUState *cs = CPU(dev);
333     RISCVCPU *cpu = RISCV_CPU(dev);
334     CPURISCVState *env = &cpu->env;
335     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev);
336     int priv_version = PRIV_VERSION_1_11_0;
337     target_ulong target_misa = 0;
338     Error *local_err = NULL;
339 
340     cpu_exec_realizefn(cs, &local_err);
341     if (local_err != NULL) {
342         error_propagate(errp, local_err);
343         return;
344     }
345 
346     if (cpu->cfg.priv_spec) {
347         if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
348             priv_version = PRIV_VERSION_1_11_0;
349         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
350             priv_version = PRIV_VERSION_1_10_0;
351         } else {
352             error_setg(errp,
353                        "Unsupported privilege spec version '%s'",
354                        cpu->cfg.priv_spec);
355             return;
356         }
357     }
358 
359     set_priv_version(env, priv_version);
360 
361     if (cpu->cfg.mmu) {
362         set_feature(env, RISCV_FEATURE_MMU);
363     }
364 
365     if (cpu->cfg.pmp) {
366         set_feature(env, RISCV_FEATURE_PMP);
367     }
368 
369     /* If misa isn't set (rv32 and rv64 machines) set it here */
370     if (!env->misa) {
371         /* Do some ISA extension error checking */
372         if (cpu->cfg.ext_i && cpu->cfg.ext_e) {
373             error_setg(errp,
374                        "I and E extensions are incompatible");
375                        return;
376        }
377 
378         if (!cpu->cfg.ext_i && !cpu->cfg.ext_e) {
379             error_setg(errp,
380                        "Either I or E extension must be set");
381                        return;
382        }
383 
384        if (cpu->cfg.ext_g && !(cpu->cfg.ext_i & cpu->cfg.ext_m &
385                                cpu->cfg.ext_a & cpu->cfg.ext_f &
386                                cpu->cfg.ext_d)) {
387             warn_report("Setting G will also set IMAFD");
388             cpu->cfg.ext_i = true;
389             cpu->cfg.ext_m = true;
390             cpu->cfg.ext_a = true;
391             cpu->cfg.ext_f = true;
392             cpu->cfg.ext_d = true;
393         }
394 
395         /* Set the ISA extensions, checks should have happened above */
396         if (cpu->cfg.ext_i) {
397             target_misa |= RVI;
398         }
399         if (cpu->cfg.ext_e) {
400             target_misa |= RVE;
401         }
402         if (cpu->cfg.ext_m) {
403             target_misa |= RVM;
404         }
405         if (cpu->cfg.ext_a) {
406             target_misa |= RVA;
407         }
408         if (cpu->cfg.ext_f) {
409             target_misa |= RVF;
410         }
411         if (cpu->cfg.ext_d) {
412             target_misa |= RVD;
413         }
414         if (cpu->cfg.ext_c) {
415             target_misa |= RVC;
416         }
417         if (cpu->cfg.ext_s) {
418             target_misa |= RVS;
419         }
420         if (cpu->cfg.ext_u) {
421             target_misa |= RVU;
422         }
423         if (cpu->cfg.ext_h) {
424             target_misa |= RVH;
425         }
426 
427         set_misa(env, RVXLEN | target_misa);
428     }
429 
430     riscv_cpu_register_gdb_regs_for_features(cs);
431 
432     qemu_init_vcpu(cs);
433     cpu_reset(cs);
434 
435     mcc->parent_realize(dev, errp);
436 }
437 
438 static void riscv_cpu_init(Object *obj)
439 {
440     RISCVCPU *cpu = RISCV_CPU(obj);
441 
442     cpu_set_cpustate_pointers(cpu);
443 }
444 
445 #ifndef CONFIG_USER_ONLY
446 static const VMStateDescription vmstate_riscv_cpu = {
447     .name = "cpu",
448     .unmigratable = 1,
449 };
450 #endif
451 
452 static Property riscv_cpu_properties[] = {
453     DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true),
454     DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false),
455     DEFINE_PROP_BOOL("g", RISCVCPU, cfg.ext_g, true),
456     DEFINE_PROP_BOOL("m", RISCVCPU, cfg.ext_m, true),
457     DEFINE_PROP_BOOL("a", RISCVCPU, cfg.ext_a, true),
458     DEFINE_PROP_BOOL("f", RISCVCPU, cfg.ext_f, true),
459     DEFINE_PROP_BOOL("d", RISCVCPU, cfg.ext_d, true),
460     DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
461     DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
462     DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
463     /* This is experimental so mark with 'x-' */
464     DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false),
465     DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
466     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
467     DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
468     DEFINE_PROP_STRING("priv_spec", RISCVCPU, cfg.priv_spec),
469     DEFINE_PROP_BOOL("mmu", RISCVCPU, cfg.mmu, true),
470     DEFINE_PROP_BOOL("pmp", RISCVCPU, cfg.pmp, true),
471     DEFINE_PROP_END_OF_LIST(),
472 };
473 
474 static void riscv_cpu_class_init(ObjectClass *c, void *data)
475 {
476     RISCVCPUClass *mcc = RISCV_CPU_CLASS(c);
477     CPUClass *cc = CPU_CLASS(c);
478     DeviceClass *dc = DEVICE_CLASS(c);
479 
480     device_class_set_parent_realize(dc, riscv_cpu_realize,
481                                     &mcc->parent_realize);
482 
483     device_class_set_parent_reset(dc, riscv_cpu_reset, &mcc->parent_reset);
484 
485     cc->class_by_name = riscv_cpu_class_by_name;
486     cc->has_work = riscv_cpu_has_work;
487     cc->do_interrupt = riscv_cpu_do_interrupt;
488     cc->cpu_exec_interrupt = riscv_cpu_exec_interrupt;
489     cc->dump_state = riscv_cpu_dump_state;
490     cc->set_pc = riscv_cpu_set_pc;
491     cc->synchronize_from_tb = riscv_cpu_synchronize_from_tb;
492     cc->gdb_read_register = riscv_cpu_gdb_read_register;
493     cc->gdb_write_register = riscv_cpu_gdb_write_register;
494     cc->gdb_num_core_regs = 33;
495 #if defined(TARGET_RISCV32)
496     cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
497 #elif defined(TARGET_RISCV64)
498     cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
499 #endif
500     cc->gdb_stop_before_watchpoint = true;
501     cc->disas_set_info = riscv_cpu_disas_set_info;
502 #ifndef CONFIG_USER_ONLY
503     cc->do_transaction_failed = riscv_cpu_do_transaction_failed;
504     cc->do_unaligned_access = riscv_cpu_do_unaligned_access;
505     cc->get_phys_page_debug = riscv_cpu_get_phys_page_debug;
506     /* For now, mark unmigratable: */
507     cc->vmsd = &vmstate_riscv_cpu;
508 #endif
509 #ifdef CONFIG_TCG
510     cc->tcg_initialize = riscv_translate_init;
511     cc->tlb_fill = riscv_cpu_tlb_fill;
512 #endif
513     device_class_set_props(dc, riscv_cpu_properties);
514 }
515 
516 char *riscv_isa_string(RISCVCPU *cpu)
517 {
518     int i;
519     const size_t maxlen = sizeof("rv128") + sizeof(riscv_exts) + 1;
520     char *isa_str = g_new(char, maxlen);
521     char *p = isa_str + snprintf(isa_str, maxlen, "rv%d", TARGET_LONG_BITS);
522     for (i = 0; i < sizeof(riscv_exts); i++) {
523         if (cpu->env.misa & RV(riscv_exts[i])) {
524             *p++ = qemu_tolower(riscv_exts[i]);
525         }
526     }
527     *p = '\0';
528     return isa_str;
529 }
530 
531 static gint riscv_cpu_list_compare(gconstpointer a, gconstpointer b)
532 {
533     ObjectClass *class_a = (ObjectClass *)a;
534     ObjectClass *class_b = (ObjectClass *)b;
535     const char *name_a, *name_b;
536 
537     name_a = object_class_get_name(class_a);
538     name_b = object_class_get_name(class_b);
539     return strcmp(name_a, name_b);
540 }
541 
542 static void riscv_cpu_list_entry(gpointer data, gpointer user_data)
543 {
544     const char *typename = object_class_get_name(OBJECT_CLASS(data));
545     int len = strlen(typename) - strlen(RISCV_CPU_TYPE_SUFFIX);
546 
547     qemu_printf("%.*s\n", len, typename);
548 }
549 
550 void riscv_cpu_list(void)
551 {
552     GSList *list;
553 
554     list = object_class_get_list(TYPE_RISCV_CPU, false);
555     list = g_slist_sort(list, riscv_cpu_list_compare);
556     g_slist_foreach(list, riscv_cpu_list_entry, NULL);
557     g_slist_free(list);
558 }
559 
560 #define DEFINE_CPU(type_name, initfn)      \
561     {                                      \
562         .name = type_name,                 \
563         .parent = TYPE_RISCV_CPU,          \
564         .instance_init = initfn            \
565     }
566 
567 static const TypeInfo riscv_cpu_type_infos[] = {
568     {
569         .name = TYPE_RISCV_CPU,
570         .parent = TYPE_CPU,
571         .instance_size = sizeof(RISCVCPU),
572         .instance_init = riscv_cpu_init,
573         .abstract = true,
574         .class_size = sizeof(RISCVCPUClass),
575         .class_init = riscv_cpu_class_init,
576     },
577     DEFINE_CPU(TYPE_RISCV_CPU_ANY,              riscv_any_cpu_init),
578 #if defined(TARGET_RISCV32)
579     DEFINE_CPU(TYPE_RISCV_CPU_BASE32,           riscv_base_cpu_init),
580     DEFINE_CPU(TYPE_RISCV_CPU_IBEX,             rv32_ibex_cpu_init),
581     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31,       rvxx_imacu_nommu_cpu_init),
582     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E34,       rv32_imafcu_nommu_cpu_init),
583     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34,       rvxx_gcsu_priv1_10_0_cpu_init),
584 #elif defined(TARGET_RISCV64)
585     DEFINE_CPU(TYPE_RISCV_CPU_BASE64,           riscv_base_cpu_init),
586     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E51,       rvxx_imacu_nommu_cpu_init),
587     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54,       rvxx_gcsu_priv1_10_0_cpu_init),
588 #endif
589 };
590 
591 DEFINE_TYPES(riscv_cpu_type_infos)
592