xref: /openbmc/qemu/target/riscv/cpu.c (revision cbf58276)
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 
31 /* RISC-V CPU definitions */
32 
33 static const char riscv_exts[26] = "IEMAFDQCLBJTPVNSUHKORWXYZG";
34 
35 const char * const riscv_int_regnames[] = {
36   "zero", "ra", "sp",  "gp",  "tp", "t0", "t1", "t2",
37   "s0",   "s1", "a0",  "a1",  "a2", "a3", "a4", "a5",
38   "a6",   "a7", "s2",  "s3",  "s4", "s5", "s6", "s7",
39   "s8",   "s9", "s10", "s11", "t3", "t4", "t5", "t6"
40 };
41 
42 const char * const riscv_fpr_regnames[] = {
43   "ft0", "ft1", "ft2",  "ft3",  "ft4", "ft5", "ft6",  "ft7",
44   "fs0", "fs1", "fa0",  "fa1",  "fa2", "fa3", "fa4",  "fa5",
45   "fa6", "fa7", "fs2",  "fs3",  "fs4", "fs5", "fs6",  "fs7",
46   "fs8", "fs9", "fs10", "fs11", "ft8", "ft9", "ft10", "ft11"
47 };
48 
49 const char * const riscv_excp_names[] = {
50     "misaligned_fetch",
51     "fault_fetch",
52     "illegal_instruction",
53     "breakpoint",
54     "misaligned_load",
55     "fault_load",
56     "misaligned_store",
57     "fault_store",
58     "user_ecall",
59     "supervisor_ecall",
60     "hypervisor_ecall",
61     "machine_ecall",
62     "exec_page_fault",
63     "load_page_fault",
64     "reserved",
65     "store_page_fault"
66 };
67 
68 const char * const riscv_intr_names[] = {
69     "u_software",
70     "s_software",
71     "h_software",
72     "m_software",
73     "u_timer",
74     "s_timer",
75     "h_timer",
76     "m_timer",
77     "u_external",
78     "s_external",
79     "h_external",
80     "m_external",
81     "reserved",
82     "reserved",
83     "reserved",
84     "reserved"
85 };
86 
87 static void set_misa(CPURISCVState *env, target_ulong misa)
88 {
89     env->misa_mask = env->misa = misa;
90 }
91 
92 static void set_versions(CPURISCVState *env, int user_ver, int priv_ver)
93 {
94     env->user_ver = user_ver;
95     env->priv_ver = priv_ver;
96 }
97 
98 static void set_feature(CPURISCVState *env, int feature)
99 {
100     env->features |= (1ULL << feature);
101 }
102 
103 static void set_resetvec(CPURISCVState *env, int resetvec)
104 {
105 #ifndef CONFIG_USER_ONLY
106     env->resetvec = resetvec;
107 #endif
108 }
109 
110 static void riscv_any_cpu_init(Object *obj)
111 {
112     CPURISCVState *env = &RISCV_CPU(obj)->env;
113     set_misa(env, RVXLEN | RVI | RVM | RVA | RVF | RVD | RVC | RVU);
114     set_versions(env, USER_VERSION_2_02_0, PRIV_VERSION_1_10_0);
115     set_resetvec(env, DEFAULT_RSTVEC);
116 }
117 
118 #if defined(TARGET_RISCV32)
119 
120 static void riscv_base32_cpu_init(Object *obj)
121 {
122     CPURISCVState *env = &RISCV_CPU(obj)->env;
123     /* We set this in the realise function */
124     set_misa(env, 0);
125 }
126 
127 static void rv32gcsu_priv1_09_1_cpu_init(Object *obj)
128 {
129     CPURISCVState *env = &RISCV_CPU(obj)->env;
130     set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
131     set_versions(env, USER_VERSION_2_02_0, PRIV_VERSION_1_09_1);
132     set_resetvec(env, DEFAULT_RSTVEC);
133     set_feature(env, RISCV_FEATURE_MMU);
134     set_feature(env, RISCV_FEATURE_PMP);
135 }
136 
137 static void rv32gcsu_priv1_10_0_cpu_init(Object *obj)
138 {
139     CPURISCVState *env = &RISCV_CPU(obj)->env;
140     set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
141     set_versions(env, USER_VERSION_2_02_0, PRIV_VERSION_1_10_0);
142     set_resetvec(env, DEFAULT_RSTVEC);
143     set_feature(env, RISCV_FEATURE_MMU);
144     set_feature(env, RISCV_FEATURE_PMP);
145 }
146 
147 static void rv32imacu_nommu_cpu_init(Object *obj)
148 {
149     CPURISCVState *env = &RISCV_CPU(obj)->env;
150     set_misa(env, RV32 | RVI | RVM | RVA | RVC | RVU);
151     set_versions(env, USER_VERSION_2_02_0, PRIV_VERSION_1_10_0);
152     set_resetvec(env, DEFAULT_RSTVEC);
153     set_feature(env, RISCV_FEATURE_PMP);
154 }
155 
156 #elif defined(TARGET_RISCV64)
157 
158 static void riscv_base64_cpu_init(Object *obj)
159 {
160     CPURISCVState *env = &RISCV_CPU(obj)->env;
161     /* We set this in the realise function */
162     set_misa(env, 0);
163 }
164 
165 static void rv64gcsu_priv1_09_1_cpu_init(Object *obj)
166 {
167     CPURISCVState *env = &RISCV_CPU(obj)->env;
168     set_misa(env, RV64 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
169     set_versions(env, USER_VERSION_2_02_0, PRIV_VERSION_1_09_1);
170     set_resetvec(env, DEFAULT_RSTVEC);
171     set_feature(env, RISCV_FEATURE_MMU);
172     set_feature(env, RISCV_FEATURE_PMP);
173 }
174 
175 static void rv64gcsu_priv1_10_0_cpu_init(Object *obj)
176 {
177     CPURISCVState *env = &RISCV_CPU(obj)->env;
178     set_misa(env, RV64 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
179     set_versions(env, USER_VERSION_2_02_0, PRIV_VERSION_1_10_0);
180     set_resetvec(env, DEFAULT_RSTVEC);
181     set_feature(env, RISCV_FEATURE_MMU);
182     set_feature(env, RISCV_FEATURE_PMP);
183 }
184 
185 static void rv64imacu_nommu_cpu_init(Object *obj)
186 {
187     CPURISCVState *env = &RISCV_CPU(obj)->env;
188     set_misa(env, RV64 | RVI | RVM | RVA | RVC | RVU);
189     set_versions(env, USER_VERSION_2_02_0, PRIV_VERSION_1_10_0);
190     set_resetvec(env, DEFAULT_RSTVEC);
191     set_feature(env, RISCV_FEATURE_PMP);
192 }
193 
194 #endif
195 
196 static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model)
197 {
198     ObjectClass *oc;
199     char *typename;
200     char **cpuname;
201 
202     cpuname = g_strsplit(cpu_model, ",", 1);
203     typename = g_strdup_printf(RISCV_CPU_TYPE_NAME("%s"), cpuname[0]);
204     oc = object_class_by_name(typename);
205     g_strfreev(cpuname);
206     g_free(typename);
207     if (!oc || !object_class_dynamic_cast(oc, TYPE_RISCV_CPU) ||
208         object_class_is_abstract(oc)) {
209         return NULL;
210     }
211     return oc;
212 }
213 
214 static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
215 {
216     RISCVCPU *cpu = RISCV_CPU(cs);
217     CPURISCVState *env = &cpu->env;
218     int i;
219 
220     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "pc      ", env->pc);
221 #ifndef CONFIG_USER_ONLY
222     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mhartid ", env->mhartid);
223     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatus ", env->mstatus);
224     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mip     ",
225                  (target_ulong)atomic_read(&env->mip));
226     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mie     ", env->mie);
227     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mideleg ", env->mideleg);
228     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "medeleg ", env->medeleg);
229     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mtvec   ", env->mtvec);
230     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mepc    ", env->mepc);
231     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mcause  ", env->mcause);
232 #endif
233 
234     for (i = 0; i < 32; i++) {
235         qemu_fprintf(f, " %s " TARGET_FMT_lx,
236                      riscv_int_regnames[i], env->gpr[i]);
237         if ((i & 3) == 3) {
238             qemu_fprintf(f, "\n");
239         }
240     }
241     if (flags & CPU_DUMP_FPU) {
242         for (i = 0; i < 32; i++) {
243             qemu_fprintf(f, " %s %016" PRIx64,
244                          riscv_fpr_regnames[i], env->fpr[i]);
245             if ((i & 3) == 3) {
246                 qemu_fprintf(f, "\n");
247             }
248         }
249     }
250 }
251 
252 static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
253 {
254     RISCVCPU *cpu = RISCV_CPU(cs);
255     CPURISCVState *env = &cpu->env;
256     env->pc = value;
257 }
258 
259 static void riscv_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
260 {
261     RISCVCPU *cpu = RISCV_CPU(cs);
262     CPURISCVState *env = &cpu->env;
263     env->pc = tb->pc;
264 }
265 
266 static bool riscv_cpu_has_work(CPUState *cs)
267 {
268 #ifndef CONFIG_USER_ONLY
269     RISCVCPU *cpu = RISCV_CPU(cs);
270     CPURISCVState *env = &cpu->env;
271     /*
272      * Definition of the WFI instruction requires it to ignore the privilege
273      * mode and delegation registers, but respect individual enables
274      */
275     return (atomic_read(&env->mip) & env->mie) != 0;
276 #else
277     return true;
278 #endif
279 }
280 
281 void restore_state_to_opc(CPURISCVState *env, TranslationBlock *tb,
282                           target_ulong *data)
283 {
284     env->pc = data[0];
285 }
286 
287 static void riscv_cpu_reset(CPUState *cs)
288 {
289     RISCVCPU *cpu = RISCV_CPU(cs);
290     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
291     CPURISCVState *env = &cpu->env;
292 
293     mcc->parent_reset(cs);
294 #ifndef CONFIG_USER_ONLY
295     env->priv = PRV_M;
296     env->mstatus &= ~(MSTATUS_MIE | MSTATUS_MPRV);
297     env->mcause = 0;
298     env->pc = env->resetvec;
299 #endif
300     cs->exception_index = EXCP_NONE;
301     set_default_nan_mode(1, &env->fp_status);
302 }
303 
304 static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info)
305 {
306 #if defined(TARGET_RISCV32)
307     info->print_insn = print_insn_riscv32;
308 #elif defined(TARGET_RISCV64)
309     info->print_insn = print_insn_riscv64;
310 #endif
311 }
312 
313 static void riscv_cpu_realize(DeviceState *dev, Error **errp)
314 {
315     CPUState *cs = CPU(dev);
316     RISCVCPU *cpu = RISCV_CPU(dev);
317     CPURISCVState *env = &cpu->env;
318     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev);
319     int priv_version = PRIV_VERSION_1_10_0;
320     int user_version = USER_VERSION_2_02_0;
321     target_ulong target_misa = 0;
322     Error *local_err = NULL;
323 
324     cpu_exec_realizefn(cs, &local_err);
325     if (local_err != NULL) {
326         error_propagate(errp, local_err);
327         return;
328     }
329 
330     if (cpu->cfg.priv_spec) {
331         if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
332             priv_version = PRIV_VERSION_1_10_0;
333         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.9.1")) {
334             priv_version = PRIV_VERSION_1_09_1;
335         } else {
336             error_setg(errp,
337                        "Unsupported privilege spec version '%s'",
338                        cpu->cfg.priv_spec);
339             return;
340         }
341     }
342 
343     if (cpu->cfg.user_spec) {
344         if (!g_strcmp0(cpu->cfg.user_spec, "v2.02.0")) {
345             user_version = USER_VERSION_2_02_0;
346         } else {
347             error_setg(errp,
348                        "Unsupported user spec version '%s'",
349                        cpu->cfg.user_spec);
350             return;
351         }
352     }
353 
354     set_versions(env, user_version, priv_version);
355     set_resetvec(env, DEFAULT_RSTVEC);
356 
357     if (cpu->cfg.mmu) {
358         set_feature(env, RISCV_FEATURE_MMU);
359     }
360 
361     if (cpu->cfg.pmp) {
362         set_feature(env, RISCV_FEATURE_PMP);
363     }
364 
365     /* If misa isn't set (rv32 and rv64 machines) set it here */
366     if (!env->misa) {
367         /* Do some ISA extension error checking */
368         if (cpu->cfg.ext_i && cpu->cfg.ext_e) {
369             error_setg(errp,
370                        "I and E extensions are incompatible");
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_STRING("priv_spec", RISCVCPU, cfg.priv_spec),
449     DEFINE_PROP_STRING("user_spec", RISCVCPU, cfg.user_spec),
450     DEFINE_PROP_BOOL("mmu", RISCVCPU, cfg.mmu, true),
451     DEFINE_PROP_BOOL("pmp", RISCVCPU, cfg.pmp, true),
452     DEFINE_PROP_END_OF_LIST(),
453 };
454 
455 static void riscv_cpu_class_init(ObjectClass *c, void *data)
456 {
457     RISCVCPUClass *mcc = RISCV_CPU_CLASS(c);
458     CPUClass *cc = CPU_CLASS(c);
459     DeviceClass *dc = DEVICE_CLASS(c);
460 
461     device_class_set_parent_realize(dc, riscv_cpu_realize,
462                                     &mcc->parent_realize);
463 
464     mcc->parent_reset = cc->reset;
465     cc->reset = riscv_cpu_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_unassigned_access = riscv_cpu_unassigned_access;
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     dc->props = 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_RV32GCSU_V1_09_1, rv32gcsu_priv1_09_1_cpu_init),
563     DEFINE_CPU(TYPE_RISCV_CPU_RV32GCSU_V1_10_0, rv32gcsu_priv1_10_0_cpu_init),
564     DEFINE_CPU(TYPE_RISCV_CPU_RV32IMACU_NOMMU,  rv32imacu_nommu_cpu_init),
565     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31,       rv32imacu_nommu_cpu_init),
566     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34,       rv32gcsu_priv1_10_0_cpu_init)
567 #elif defined(TARGET_RISCV64)
568     DEFINE_CPU(TYPE_RISCV_CPU_BASE64,           riscv_base64_cpu_init),
569     DEFINE_CPU(TYPE_RISCV_CPU_RV64GCSU_V1_09_1, rv64gcsu_priv1_09_1_cpu_init),
570     DEFINE_CPU(TYPE_RISCV_CPU_RV64GCSU_V1_10_0, rv64gcsu_priv1_10_0_cpu_init),
571     DEFINE_CPU(TYPE_RISCV_CPU_RV64IMACU_NOMMU,  rv64imacu_nommu_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 #endif
575 };
576 
577 DEFINE_TYPES(riscv_cpu_type_infos)
578