xref: /openbmc/qemu/target/riscv/cpu.c (revision 37207e12)
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     ",
228                  (target_ulong)atomic_read(&env->mip));
229     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mie     ", env->mie);
230     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mideleg ", env->mideleg);
231     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "medeleg ", env->medeleg);
232     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtvec   ", env->mtvec);
233     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mepc    ", env->mepc);
234     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mcause  ", env->mcause);
235 #endif
236 
237     for (i = 0; i < 32; i++) {
238         qemu_fprintf(f, " %s " TARGET_FMT_lx,
239                      riscv_int_regnames[i], env->gpr[i]);
240         if ((i & 3) == 3) {
241             qemu_fprintf(f, "\n");
242         }
243     }
244     if (flags & CPU_DUMP_FPU) {
245         for (i = 0; i < 32; i++) {
246             qemu_fprintf(f, " %s %016" PRIx64,
247                          riscv_fpr_regnames[i], env->fpr[i]);
248             if ((i & 3) == 3) {
249                 qemu_fprintf(f, "\n");
250             }
251         }
252     }
253 }
254 
255 static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
256 {
257     RISCVCPU *cpu = RISCV_CPU(cs);
258     CPURISCVState *env = &cpu->env;
259     env->pc = value;
260 }
261 
262 static void riscv_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
263 {
264     RISCVCPU *cpu = RISCV_CPU(cs);
265     CPURISCVState *env = &cpu->env;
266     env->pc = tb->pc;
267 }
268 
269 static bool riscv_cpu_has_work(CPUState *cs)
270 {
271 #ifndef CONFIG_USER_ONLY
272     RISCVCPU *cpu = RISCV_CPU(cs);
273     CPURISCVState *env = &cpu->env;
274     /*
275      * Definition of the WFI instruction requires it to ignore the privilege
276      * mode and delegation registers, but respect individual enables
277      */
278     return (atomic_read(&env->mip) & env->mie) != 0;
279 #else
280     return true;
281 #endif
282 }
283 
284 void restore_state_to_opc(CPURISCVState *env, TranslationBlock *tb,
285                           target_ulong *data)
286 {
287     env->pc = data[0];
288 }
289 
290 static void riscv_cpu_reset(CPUState *cs)
291 {
292     RISCVCPU *cpu = RISCV_CPU(cs);
293     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
294     CPURISCVState *env = &cpu->env;
295 
296     mcc->parent_reset(cs);
297 #ifndef CONFIG_USER_ONLY
298     env->priv = PRV_M;
299     env->mstatus &= ~(MSTATUS_MIE | MSTATUS_MPRV);
300     env->mcause = 0;
301     env->pc = env->resetvec;
302 #endif
303     cs->exception_index = EXCP_NONE;
304     env->load_res = -1;
305     set_default_nan_mode(1, &env->fp_status);
306 }
307 
308 static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info)
309 {
310 #if defined(TARGET_RISCV32)
311     info->print_insn = print_insn_riscv32;
312 #elif defined(TARGET_RISCV64)
313     info->print_insn = print_insn_riscv64;
314 #endif
315 }
316 
317 static void riscv_cpu_realize(DeviceState *dev, Error **errp)
318 {
319     CPUState *cs = CPU(dev);
320     RISCVCPU *cpu = RISCV_CPU(dev);
321     CPURISCVState *env = &cpu->env;
322     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev);
323     int priv_version = PRIV_VERSION_1_11_0;
324     target_ulong target_misa = 0;
325     Error *local_err = NULL;
326 
327     cpu_exec_realizefn(cs, &local_err);
328     if (local_err != NULL) {
329         error_propagate(errp, local_err);
330         return;
331     }
332 
333     if (cpu->cfg.priv_spec) {
334         if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
335             priv_version = PRIV_VERSION_1_11_0;
336         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
337             priv_version = PRIV_VERSION_1_10_0;
338         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.9.1")) {
339             priv_version = PRIV_VERSION_1_09_1;
340         } else {
341             error_setg(errp,
342                        "Unsupported privilege spec version '%s'",
343                        cpu->cfg.priv_spec);
344             return;
345         }
346     }
347 
348     set_priv_version(env, priv_version);
349     set_resetvec(env, DEFAULT_RSTVEC);
350 
351     if (cpu->cfg.mmu) {
352         set_feature(env, RISCV_FEATURE_MMU);
353     }
354 
355     if (cpu->cfg.pmp) {
356         set_feature(env, RISCV_FEATURE_PMP);
357     }
358 
359     /* If misa isn't set (rv32 and rv64 machines) set it here */
360     if (!env->misa) {
361         /* Do some ISA extension error checking */
362         if (cpu->cfg.ext_i && cpu->cfg.ext_e) {
363             error_setg(errp,
364                        "I and E extensions are incompatible");
365                        return;
366        }
367 
368         if (!cpu->cfg.ext_i && !cpu->cfg.ext_e) {
369             error_setg(errp,
370                        "Either I or E extension must be set");
371                        return;
372        }
373 
374        if (cpu->cfg.ext_g && !(cpu->cfg.ext_i & cpu->cfg.ext_m &
375                                cpu->cfg.ext_a & cpu->cfg.ext_f &
376                                cpu->cfg.ext_d)) {
377             warn_report("Setting G will also set IMAFD");
378             cpu->cfg.ext_i = true;
379             cpu->cfg.ext_m = true;
380             cpu->cfg.ext_a = true;
381             cpu->cfg.ext_f = true;
382             cpu->cfg.ext_d = true;
383         }
384 
385         /* Set the ISA extensions, checks should have happened above */
386         if (cpu->cfg.ext_i) {
387             target_misa |= RVI;
388         }
389         if (cpu->cfg.ext_e) {
390             target_misa |= RVE;
391         }
392         if (cpu->cfg.ext_m) {
393             target_misa |= RVM;
394         }
395         if (cpu->cfg.ext_a) {
396             target_misa |= RVA;
397         }
398         if (cpu->cfg.ext_f) {
399             target_misa |= RVF;
400         }
401         if (cpu->cfg.ext_d) {
402             target_misa |= RVD;
403         }
404         if (cpu->cfg.ext_c) {
405             target_misa |= RVC;
406         }
407         if (cpu->cfg.ext_s) {
408             target_misa |= RVS;
409         }
410         if (cpu->cfg.ext_u) {
411             target_misa |= RVU;
412         }
413 
414         set_misa(env, RVXLEN | target_misa);
415     }
416 
417     riscv_cpu_register_gdb_regs_for_features(cs);
418 
419     qemu_init_vcpu(cs);
420     cpu_reset(cs);
421 
422     mcc->parent_realize(dev, errp);
423 }
424 
425 static void riscv_cpu_init(Object *obj)
426 {
427     RISCVCPU *cpu = RISCV_CPU(obj);
428 
429     cpu_set_cpustate_pointers(cpu);
430 }
431 
432 static const VMStateDescription vmstate_riscv_cpu = {
433     .name = "cpu",
434     .unmigratable = 1,
435 };
436 
437 static Property riscv_cpu_properties[] = {
438     DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true),
439     DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false),
440     DEFINE_PROP_BOOL("g", RISCVCPU, cfg.ext_g, true),
441     DEFINE_PROP_BOOL("m", RISCVCPU, cfg.ext_m, true),
442     DEFINE_PROP_BOOL("a", RISCVCPU, cfg.ext_a, true),
443     DEFINE_PROP_BOOL("f", RISCVCPU, cfg.ext_f, true),
444     DEFINE_PROP_BOOL("d", RISCVCPU, cfg.ext_d, true),
445     DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
446     DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
447     DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
448     DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
449     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
450     DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
451     DEFINE_PROP_STRING("priv_spec", RISCVCPU, cfg.priv_spec),
452     DEFINE_PROP_BOOL("mmu", RISCVCPU, cfg.mmu, true),
453     DEFINE_PROP_BOOL("pmp", RISCVCPU, cfg.pmp, true),
454     DEFINE_PROP_END_OF_LIST(),
455 };
456 
457 static void riscv_cpu_class_init(ObjectClass *c, void *data)
458 {
459     RISCVCPUClass *mcc = RISCV_CPU_CLASS(c);
460     CPUClass *cc = CPU_CLASS(c);
461     DeviceClass *dc = DEVICE_CLASS(c);
462 
463     device_class_set_parent_realize(dc, riscv_cpu_realize,
464                                     &mcc->parent_realize);
465 
466     mcc->parent_reset = cc->reset;
467     cc->reset = riscv_cpu_reset;
468 
469     cc->class_by_name = riscv_cpu_class_by_name;
470     cc->has_work = riscv_cpu_has_work;
471     cc->do_interrupt = riscv_cpu_do_interrupt;
472     cc->cpu_exec_interrupt = riscv_cpu_exec_interrupt;
473     cc->dump_state = riscv_cpu_dump_state;
474     cc->set_pc = riscv_cpu_set_pc;
475     cc->synchronize_from_tb = riscv_cpu_synchronize_from_tb;
476     cc->gdb_read_register = riscv_cpu_gdb_read_register;
477     cc->gdb_write_register = riscv_cpu_gdb_write_register;
478     cc->gdb_num_core_regs = 33;
479 #if defined(TARGET_RISCV32)
480     cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
481 #elif defined(TARGET_RISCV64)
482     cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
483 #endif
484     cc->gdb_stop_before_watchpoint = true;
485     cc->disas_set_info = riscv_cpu_disas_set_info;
486 #ifndef CONFIG_USER_ONLY
487     cc->do_transaction_failed = riscv_cpu_do_transaction_failed;
488     cc->do_unaligned_access = riscv_cpu_do_unaligned_access;
489     cc->get_phys_page_debug = riscv_cpu_get_phys_page_debug;
490 #endif
491 #ifdef CONFIG_TCG
492     cc->tcg_initialize = riscv_translate_init;
493     cc->tlb_fill = riscv_cpu_tlb_fill;
494 #endif
495     /* For now, mark unmigratable: */
496     cc->vmsd = &vmstate_riscv_cpu;
497     dc->props = riscv_cpu_properties;
498 }
499 
500 char *riscv_isa_string(RISCVCPU *cpu)
501 {
502     int i;
503     const size_t maxlen = sizeof("rv128") + sizeof(riscv_exts) + 1;
504     char *isa_str = g_new(char, maxlen);
505     char *p = isa_str + snprintf(isa_str, maxlen, "rv%d", TARGET_LONG_BITS);
506     for (i = 0; i < sizeof(riscv_exts); i++) {
507         if (cpu->env.misa & RV(riscv_exts[i])) {
508             *p++ = qemu_tolower(riscv_exts[i]);
509         }
510     }
511     *p = '\0';
512     return isa_str;
513 }
514 
515 static gint riscv_cpu_list_compare(gconstpointer a, gconstpointer b)
516 {
517     ObjectClass *class_a = (ObjectClass *)a;
518     ObjectClass *class_b = (ObjectClass *)b;
519     const char *name_a, *name_b;
520 
521     name_a = object_class_get_name(class_a);
522     name_b = object_class_get_name(class_b);
523     return strcmp(name_a, name_b);
524 }
525 
526 static void riscv_cpu_list_entry(gpointer data, gpointer user_data)
527 {
528     const char *typename = object_class_get_name(OBJECT_CLASS(data));
529     int len = strlen(typename) - strlen(RISCV_CPU_TYPE_SUFFIX);
530 
531     qemu_printf("%.*s\n", len, typename);
532 }
533 
534 void riscv_cpu_list(void)
535 {
536     GSList *list;
537 
538     list = object_class_get_list(TYPE_RISCV_CPU, false);
539     list = g_slist_sort(list, riscv_cpu_list_compare);
540     g_slist_foreach(list, riscv_cpu_list_entry, NULL);
541     g_slist_free(list);
542 }
543 
544 #define DEFINE_CPU(type_name, initfn)      \
545     {                                      \
546         .name = type_name,                 \
547         .parent = TYPE_RISCV_CPU,          \
548         .instance_init = initfn            \
549     }
550 
551 static const TypeInfo riscv_cpu_type_infos[] = {
552     {
553         .name = TYPE_RISCV_CPU,
554         .parent = TYPE_CPU,
555         .instance_size = sizeof(RISCVCPU),
556         .instance_init = riscv_cpu_init,
557         .abstract = true,
558         .class_size = sizeof(RISCVCPUClass),
559         .class_init = riscv_cpu_class_init,
560     },
561     DEFINE_CPU(TYPE_RISCV_CPU_ANY,              riscv_any_cpu_init),
562 #if defined(TARGET_RISCV32)
563     DEFINE_CPU(TYPE_RISCV_CPU_BASE32,           riscv_base32_cpu_init),
564     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31,       rv32imacu_nommu_cpu_init),
565     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34,       rv32gcsu_priv1_10_0_cpu_init),
566     /* Depreacted */
567     DEFINE_CPU(TYPE_RISCV_CPU_RV32IMACU_NOMMU,  rv32imacu_nommu_cpu_init),
568     DEFINE_CPU(TYPE_RISCV_CPU_RV32GCSU_V1_09_1, rv32gcsu_priv1_09_1_cpu_init),
569     DEFINE_CPU(TYPE_RISCV_CPU_RV32GCSU_V1_10_0, rv32gcsu_priv1_10_0_cpu_init)
570 #elif defined(TARGET_RISCV64)
571     DEFINE_CPU(TYPE_RISCV_CPU_BASE64,           riscv_base64_cpu_init),
572     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E51,       rv64imacu_nommu_cpu_init),
573     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54,       rv64gcsu_priv1_10_0_cpu_init),
574     /* Deprecated */
575     DEFINE_CPU(TYPE_RISCV_CPU_RV64IMACU_NOMMU,  rv64imacu_nommu_cpu_init),
576     DEFINE_CPU(TYPE_RISCV_CPU_RV64GCSU_V1_09_1, rv64gcsu_priv1_09_1_cpu_init),
577     DEFINE_CPU(TYPE_RISCV_CPU_RV64GCSU_V1_10_0, rv64gcsu_priv1_10_0_cpu_init)
578 #endif
579 };
580 
581 DEFINE_TYPES(riscv_cpu_type_infos)
582