xref: /openbmc/qemu/target/riscv/cpu.c (revision 62cf0245)
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 "internals.h"
26 #include "exec/exec-all.h"
27 #include "qapi/error.h"
28 #include "qemu/error-report.h"
29 #include "hw/qdev-properties.h"
30 #include "migration/vmstate.h"
31 #include "fpu/softfloat-helpers.h"
32 #include "sysemu/kvm.h"
33 #include "kvm_riscv.h"
34 
35 /* RISC-V CPU definitions */
36 
37 #define RISCV_CPU_MARCHID   ((QEMU_VERSION_MAJOR << 16) | \
38                              (QEMU_VERSION_MINOR << 8)  | \
39                              (QEMU_VERSION_MICRO))
40 #define RISCV_CPU_MIMPID    RISCV_CPU_MARCHID
41 
42 static const char riscv_single_letter_exts[] = "IEMAFDQCPVH";
43 
44 struct isa_ext_data {
45     const char *name;
46     bool enabled;
47 };
48 
49 const char * const riscv_int_regnames[] = {
50   "x0/zero", "x1/ra",  "x2/sp",  "x3/gp",  "x4/tp",  "x5/t0",   "x6/t1",
51   "x7/t2",   "x8/s0",  "x9/s1",  "x10/a0", "x11/a1", "x12/a2",  "x13/a3",
52   "x14/a4",  "x15/a5", "x16/a6", "x17/a7", "x18/s2", "x19/s3",  "x20/s4",
53   "x21/s5",  "x22/s6", "x23/s7", "x24/s8", "x25/s9", "x26/s10", "x27/s11",
54   "x28/t3",  "x29/t4", "x30/t5", "x31/t6"
55 };
56 
57 const char * const riscv_int_regnamesh[] = {
58   "x0h/zeroh", "x1h/rah",  "x2h/sph",   "x3h/gph",   "x4h/tph",  "x5h/t0h",
59   "x6h/t1h",   "x7h/t2h",  "x8h/s0h",   "x9h/s1h",   "x10h/a0h", "x11h/a1h",
60   "x12h/a2h",  "x13h/a3h", "x14h/a4h",  "x15h/a5h",  "x16h/a6h", "x17h/a7h",
61   "x18h/s2h",  "x19h/s3h", "x20h/s4h",  "x21h/s5h",  "x22h/s6h", "x23h/s7h",
62   "x24h/s8h",  "x25h/s9h", "x26h/s10h", "x27h/s11h", "x28h/t3h", "x29h/t4h",
63   "x30h/t5h",  "x31h/t6h"
64 };
65 
66 const char * const riscv_fpr_regnames[] = {
67   "f0/ft0",   "f1/ft1",  "f2/ft2",   "f3/ft3",   "f4/ft4",  "f5/ft5",
68   "f6/ft6",   "f7/ft7",  "f8/fs0",   "f9/fs1",   "f10/fa0", "f11/fa1",
69   "f12/fa2",  "f13/fa3", "f14/fa4",  "f15/fa5",  "f16/fa6", "f17/fa7",
70   "f18/fs2",  "f19/fs3", "f20/fs4",  "f21/fs5",  "f22/fs6", "f23/fs7",
71   "f24/fs8",  "f25/fs9", "f26/fs10", "f27/fs11", "f28/ft8", "f29/ft9",
72   "f30/ft10", "f31/ft11"
73 };
74 
75 static const char * const riscv_excp_names[] = {
76     "misaligned_fetch",
77     "fault_fetch",
78     "illegal_instruction",
79     "breakpoint",
80     "misaligned_load",
81     "fault_load",
82     "misaligned_store",
83     "fault_store",
84     "user_ecall",
85     "supervisor_ecall",
86     "hypervisor_ecall",
87     "machine_ecall",
88     "exec_page_fault",
89     "load_page_fault",
90     "reserved",
91     "store_page_fault",
92     "reserved",
93     "reserved",
94     "reserved",
95     "reserved",
96     "guest_exec_page_fault",
97     "guest_load_page_fault",
98     "reserved",
99     "guest_store_page_fault",
100 };
101 
102 static const char * const riscv_intr_names[] = {
103     "u_software",
104     "s_software",
105     "vs_software",
106     "m_software",
107     "u_timer",
108     "s_timer",
109     "vs_timer",
110     "m_timer",
111     "u_external",
112     "s_external",
113     "vs_external",
114     "m_external",
115     "reserved",
116     "reserved",
117     "reserved",
118     "reserved"
119 };
120 
121 const char *riscv_cpu_get_trap_name(target_ulong cause, bool async)
122 {
123     if (async) {
124         return (cause < ARRAY_SIZE(riscv_intr_names)) ?
125                riscv_intr_names[cause] : "(unknown)";
126     } else {
127         return (cause < ARRAY_SIZE(riscv_excp_names)) ?
128                riscv_excp_names[cause] : "(unknown)";
129     }
130 }
131 
132 static void set_misa(CPURISCVState *env, RISCVMXL mxl, uint32_t ext)
133 {
134     env->misa_mxl_max = env->misa_mxl = mxl;
135     env->misa_ext_mask = env->misa_ext = ext;
136 }
137 
138 static void set_priv_version(CPURISCVState *env, int priv_ver)
139 {
140     env->priv_ver = priv_ver;
141 }
142 
143 static void set_vext_version(CPURISCVState *env, int vext_ver)
144 {
145     env->vext_ver = vext_ver;
146 }
147 
148 static void set_resetvec(CPURISCVState *env, target_ulong resetvec)
149 {
150 #ifndef CONFIG_USER_ONLY
151     env->resetvec = resetvec;
152 #endif
153 }
154 
155 static void riscv_any_cpu_init(Object *obj)
156 {
157     CPURISCVState *env = &RISCV_CPU(obj)->env;
158 #if defined(TARGET_RISCV32)
159     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVD | RVC | RVU);
160 #elif defined(TARGET_RISCV64)
161     set_misa(env, MXL_RV64, RVI | RVM | RVA | RVF | RVD | RVC | RVU);
162 #endif
163     set_priv_version(env, PRIV_VERSION_1_12_0);
164 }
165 
166 #if defined(TARGET_RISCV64)
167 static void rv64_base_cpu_init(Object *obj)
168 {
169     CPURISCVState *env = &RISCV_CPU(obj)->env;
170     /* We set this in the realise function */
171     set_misa(env, MXL_RV64, 0);
172 }
173 
174 static void rv64_sifive_u_cpu_init(Object *obj)
175 {
176     CPURISCVState *env = &RISCV_CPU(obj)->env;
177     set_misa(env, MXL_RV64, RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
178     set_priv_version(env, PRIV_VERSION_1_10_0);
179 }
180 
181 static void rv64_sifive_e_cpu_init(Object *obj)
182 {
183     CPURISCVState *env = &RISCV_CPU(obj)->env;
184     set_misa(env, MXL_RV64, RVI | RVM | RVA | RVC | RVU);
185     set_priv_version(env, PRIV_VERSION_1_10_0);
186     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
187 }
188 
189 static void rv128_base_cpu_init(Object *obj)
190 {
191     if (qemu_tcg_mttcg_enabled()) {
192         /* Missing 128-bit aligned atomics */
193         error_report("128-bit RISC-V currently does not work with Multi "
194                      "Threaded TCG. Please use: -accel tcg,thread=single");
195         exit(EXIT_FAILURE);
196     }
197     CPURISCVState *env = &RISCV_CPU(obj)->env;
198     /* We set this in the realise function */
199     set_misa(env, MXL_RV128, 0);
200 }
201 #else
202 static void rv32_base_cpu_init(Object *obj)
203 {
204     CPURISCVState *env = &RISCV_CPU(obj)->env;
205     /* We set this in the realise function */
206     set_misa(env, MXL_RV32, 0);
207 }
208 
209 static void rv32_sifive_u_cpu_init(Object *obj)
210 {
211     CPURISCVState *env = &RISCV_CPU(obj)->env;
212     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
213     set_priv_version(env, PRIV_VERSION_1_10_0);
214 }
215 
216 static void rv32_sifive_e_cpu_init(Object *obj)
217 {
218     CPURISCVState *env = &RISCV_CPU(obj)->env;
219     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVC | RVU);
220     set_priv_version(env, PRIV_VERSION_1_10_0);
221     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
222 }
223 
224 static void rv32_ibex_cpu_init(Object *obj)
225 {
226     CPURISCVState *env = &RISCV_CPU(obj)->env;
227     set_misa(env, MXL_RV32, RVI | RVM | RVC | RVU);
228     set_priv_version(env, PRIV_VERSION_1_10_0);
229     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
230     qdev_prop_set_bit(DEVICE(obj), "x-epmp", true);
231 }
232 
233 static void rv32_imafcu_nommu_cpu_init(Object *obj)
234 {
235     CPURISCVState *env = &RISCV_CPU(obj)->env;
236     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVC | RVU);
237     set_priv_version(env, PRIV_VERSION_1_10_0);
238     set_resetvec(env, DEFAULT_RSTVEC);
239     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
240 }
241 #endif
242 
243 #if defined(CONFIG_KVM)
244 static void riscv_host_cpu_init(Object *obj)
245 {
246     CPURISCVState *env = &RISCV_CPU(obj)->env;
247 #if defined(TARGET_RISCV32)
248     set_misa(env, MXL_RV32, 0);
249 #elif defined(TARGET_RISCV64)
250     set_misa(env, MXL_RV64, 0);
251 #endif
252 }
253 #endif
254 
255 static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model)
256 {
257     ObjectClass *oc;
258     char *typename;
259     char **cpuname;
260 
261     cpuname = g_strsplit(cpu_model, ",", 1);
262     typename = g_strdup_printf(RISCV_CPU_TYPE_NAME("%s"), cpuname[0]);
263     oc = object_class_by_name(typename);
264     g_strfreev(cpuname);
265     g_free(typename);
266     if (!oc || !object_class_dynamic_cast(oc, TYPE_RISCV_CPU) ||
267         object_class_is_abstract(oc)) {
268         return NULL;
269     }
270     return oc;
271 }
272 
273 static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
274 {
275     RISCVCPU *cpu = RISCV_CPU(cs);
276     CPURISCVState *env = &cpu->env;
277     int i;
278 
279 #if !defined(CONFIG_USER_ONLY)
280     if (riscv_has_ext(env, RVH)) {
281         qemu_fprintf(f, " %s %d\n", "V      =  ", riscv_cpu_virt_enabled(env));
282     }
283 #endif
284     qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "pc      ", env->pc);
285 #ifndef CONFIG_USER_ONLY
286     {
287         static const int dump_csrs[] = {
288             CSR_MHARTID,
289             CSR_MSTATUS,
290             CSR_MSTATUSH,
291             CSR_HSTATUS,
292             CSR_VSSTATUS,
293             CSR_MIP,
294             CSR_MIE,
295             CSR_MIDELEG,
296             CSR_HIDELEG,
297             CSR_MEDELEG,
298             CSR_HEDELEG,
299             CSR_MTVEC,
300             CSR_STVEC,
301             CSR_VSTVEC,
302             CSR_MEPC,
303             CSR_SEPC,
304             CSR_VSEPC,
305             CSR_MCAUSE,
306             CSR_SCAUSE,
307             CSR_VSCAUSE,
308             CSR_MTVAL,
309             CSR_STVAL,
310             CSR_HTVAL,
311             CSR_MTVAL2,
312             CSR_MSCRATCH,
313             CSR_SSCRATCH,
314             CSR_SATP,
315             CSR_MMTE,
316             CSR_UPMBASE,
317             CSR_UPMMASK,
318             CSR_SPMBASE,
319             CSR_SPMMASK,
320             CSR_MPMBASE,
321             CSR_MPMMASK,
322         };
323 
324         for (int i = 0; i < ARRAY_SIZE(dump_csrs); ++i) {
325             int csrno = dump_csrs[i];
326             target_ulong val = 0;
327             RISCVException res = riscv_csrrw_debug(env, csrno, &val, 0, 0);
328 
329             /*
330              * Rely on the smode, hmode, etc, predicates within csr.c
331              * to do the filtering of the registers that are present.
332              */
333             if (res == RISCV_EXCP_NONE) {
334                 qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
335                              csr_ops[csrno].name, val);
336             }
337         }
338     }
339 #endif
340 
341     for (i = 0; i < 32; i++) {
342         qemu_fprintf(f, " %-8s " TARGET_FMT_lx,
343                      riscv_int_regnames[i], env->gpr[i]);
344         if ((i & 3) == 3) {
345             qemu_fprintf(f, "\n");
346         }
347     }
348     if (flags & CPU_DUMP_FPU) {
349         for (i = 0; i < 32; i++) {
350             qemu_fprintf(f, " %-8s %016" PRIx64,
351                          riscv_fpr_regnames[i], env->fpr[i]);
352             if ((i & 3) == 3) {
353                 qemu_fprintf(f, "\n");
354             }
355         }
356     }
357 }
358 
359 static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
360 {
361     RISCVCPU *cpu = RISCV_CPU(cs);
362     CPURISCVState *env = &cpu->env;
363 
364     if (env->xl == MXL_RV32) {
365         env->pc = (int32_t)value;
366     } else {
367         env->pc = value;
368     }
369 }
370 
371 static void riscv_cpu_synchronize_from_tb(CPUState *cs,
372                                           const TranslationBlock *tb)
373 {
374     RISCVCPU *cpu = RISCV_CPU(cs);
375     CPURISCVState *env = &cpu->env;
376     RISCVMXL xl = FIELD_EX32(tb->flags, TB_FLAGS, XL);
377 
378     if (xl == MXL_RV32) {
379         env->pc = (int32_t)tb->pc;
380     } else {
381         env->pc = tb->pc;
382     }
383 }
384 
385 static bool riscv_cpu_has_work(CPUState *cs)
386 {
387 #ifndef CONFIG_USER_ONLY
388     RISCVCPU *cpu = RISCV_CPU(cs);
389     CPURISCVState *env = &cpu->env;
390     /*
391      * Definition of the WFI instruction requires it to ignore the privilege
392      * mode and delegation registers, but respect individual enables
393      */
394     return (env->mip & env->mie) != 0;
395 #else
396     return true;
397 #endif
398 }
399 
400 void restore_state_to_opc(CPURISCVState *env, TranslationBlock *tb,
401                           target_ulong *data)
402 {
403     RISCVMXL xl = FIELD_EX32(tb->flags, TB_FLAGS, XL);
404     if (xl == MXL_RV32) {
405         env->pc = (int32_t)data[0];
406     } else {
407         env->pc = data[0];
408     }
409     env->bins = data[1];
410 }
411 
412 static void riscv_cpu_reset(DeviceState *dev)
413 {
414 #ifndef CONFIG_USER_ONLY
415     uint8_t iprio;
416     int i, irq, rdzero;
417 #endif
418     CPUState *cs = CPU(dev);
419     RISCVCPU *cpu = RISCV_CPU(cs);
420     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
421     CPURISCVState *env = &cpu->env;
422 
423     mcc->parent_reset(dev);
424 #ifndef CONFIG_USER_ONLY
425     env->misa_mxl = env->misa_mxl_max;
426     env->priv = PRV_M;
427     env->mstatus &= ~(MSTATUS_MIE | MSTATUS_MPRV);
428     if (env->misa_mxl > MXL_RV32) {
429         /*
430          * The reset status of SXL/UXL is undefined, but mstatus is WARL
431          * and we must ensure that the value after init is valid for read.
432          */
433         env->mstatus = set_field(env->mstatus, MSTATUS64_SXL, env->misa_mxl);
434         env->mstatus = set_field(env->mstatus, MSTATUS64_UXL, env->misa_mxl);
435         if (riscv_has_ext(env, RVH)) {
436             env->vsstatus = set_field(env->vsstatus,
437                                       MSTATUS64_SXL, env->misa_mxl);
438             env->vsstatus = set_field(env->vsstatus,
439                                       MSTATUS64_UXL, env->misa_mxl);
440             env->mstatus_hs = set_field(env->mstatus_hs,
441                                         MSTATUS64_SXL, env->misa_mxl);
442             env->mstatus_hs = set_field(env->mstatus_hs,
443                                         MSTATUS64_UXL, env->misa_mxl);
444         }
445     }
446     env->mcause = 0;
447     env->miclaim = MIP_SGEIP;
448     env->pc = env->resetvec;
449     env->bins = 0;
450     env->two_stage_lookup = false;
451 
452     /* Initialized default priorities of local interrupts. */
453     for (i = 0; i < ARRAY_SIZE(env->miprio); i++) {
454         iprio = riscv_cpu_default_priority(i);
455         env->miprio[i] = (i == IRQ_M_EXT) ? 0 : iprio;
456         env->siprio[i] = (i == IRQ_S_EXT) ? 0 : iprio;
457         env->hviprio[i] = 0;
458     }
459     i = 0;
460     while (!riscv_cpu_hviprio_index2irq(i, &irq, &rdzero)) {
461         if (!rdzero) {
462             env->hviprio[irq] = env->miprio[irq];
463         }
464         i++;
465     }
466     /* mmte is supposed to have pm.current hardwired to 1 */
467     env->mmte |= (PM_EXT_INITIAL | MMTE_M_PM_CURRENT);
468 #endif
469     env->xl = riscv_cpu_mxl(env);
470     riscv_cpu_update_mask(env);
471     cs->exception_index = RISCV_EXCP_NONE;
472     env->load_res = -1;
473     set_default_nan_mode(1, &env->fp_status);
474 
475 #ifndef CONFIG_USER_ONLY
476     if (riscv_feature(env, RISCV_FEATURE_DEBUG)) {
477         riscv_trigger_init(env);
478     }
479 
480     if (kvm_enabled()) {
481         kvm_riscv_reset_vcpu(cpu);
482     }
483 #endif
484 }
485 
486 static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info)
487 {
488     RISCVCPU *cpu = RISCV_CPU(s);
489 
490     switch (riscv_cpu_mxl(&cpu->env)) {
491     case MXL_RV32:
492         info->print_insn = print_insn_riscv32;
493         break;
494     case MXL_RV64:
495         info->print_insn = print_insn_riscv64;
496         break;
497     case MXL_RV128:
498         info->print_insn = print_insn_riscv128;
499         break;
500     default:
501         g_assert_not_reached();
502     }
503 }
504 
505 static void riscv_cpu_realize(DeviceState *dev, Error **errp)
506 {
507     CPUState *cs = CPU(dev);
508     RISCVCPU *cpu = RISCV_CPU(dev);
509     CPURISCVState *env = &cpu->env;
510     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev);
511     CPUClass *cc = CPU_CLASS(mcc);
512     int priv_version = 0;
513     Error *local_err = NULL;
514 
515     cpu_exec_realizefn(cs, &local_err);
516     if (local_err != NULL) {
517         error_propagate(errp, local_err);
518         return;
519     }
520 
521     if (cpu->cfg.priv_spec) {
522         if (!g_strcmp0(cpu->cfg.priv_spec, "v1.12.0")) {
523             priv_version = PRIV_VERSION_1_12_0;
524         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
525             priv_version = PRIV_VERSION_1_11_0;
526         } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
527             priv_version = PRIV_VERSION_1_10_0;
528         } else {
529             error_setg(errp,
530                        "Unsupported privilege spec version '%s'",
531                        cpu->cfg.priv_spec);
532             return;
533         }
534     }
535 
536     if (priv_version) {
537         set_priv_version(env, priv_version);
538     } else if (!env->priv_ver) {
539         set_priv_version(env, PRIV_VERSION_1_12_0);
540     }
541 
542     if (cpu->cfg.mmu) {
543         riscv_set_feature(env, RISCV_FEATURE_MMU);
544     }
545 
546     if (cpu->cfg.pmp) {
547         riscv_set_feature(env, RISCV_FEATURE_PMP);
548 
549         /*
550          * Enhanced PMP should only be available
551          * on harts with PMP support
552          */
553         if (cpu->cfg.epmp) {
554             riscv_set_feature(env, RISCV_FEATURE_EPMP);
555         }
556     }
557 
558     if (cpu->cfg.aia) {
559         riscv_set_feature(env, RISCV_FEATURE_AIA);
560     }
561 
562     if (cpu->cfg.debug) {
563         riscv_set_feature(env, RISCV_FEATURE_DEBUG);
564     }
565 
566     set_resetvec(env, cpu->cfg.resetvec);
567 
568     /* Validate that MISA_MXL is set properly. */
569     switch (env->misa_mxl_max) {
570 #ifdef TARGET_RISCV64
571     case MXL_RV64:
572     case MXL_RV128:
573         cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
574         break;
575 #endif
576     case MXL_RV32:
577         cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
578         break;
579     default:
580         g_assert_not_reached();
581     }
582     assert(env->misa_mxl_max == env->misa_mxl);
583 
584     /* If only MISA_EXT is unset for misa, then set it from properties */
585     if (env->misa_ext == 0) {
586         uint32_t ext = 0;
587 
588         /* Do some ISA extension error checking */
589         if (cpu->cfg.ext_g && !(cpu->cfg.ext_i && cpu->cfg.ext_m &&
590                                 cpu->cfg.ext_a && cpu->cfg.ext_f &&
591                                 cpu->cfg.ext_d &&
592                                 cpu->cfg.ext_icsr && cpu->cfg.ext_ifencei)) {
593             warn_report("Setting G will also set IMAFD_Zicsr_Zifencei");
594             cpu->cfg.ext_i = true;
595             cpu->cfg.ext_m = true;
596             cpu->cfg.ext_a = true;
597             cpu->cfg.ext_f = true;
598             cpu->cfg.ext_d = true;
599             cpu->cfg.ext_icsr = true;
600             cpu->cfg.ext_ifencei = true;
601         }
602 
603         if (cpu->cfg.ext_i && cpu->cfg.ext_e) {
604             error_setg(errp,
605                        "I and E extensions are incompatible");
606             return;
607         }
608 
609         if (!cpu->cfg.ext_i && !cpu->cfg.ext_e) {
610             error_setg(errp,
611                        "Either I or E extension must be set");
612             return;
613         }
614 
615         if (cpu->cfg.ext_f && !cpu->cfg.ext_icsr) {
616             error_setg(errp, "F extension requires Zicsr");
617             return;
618         }
619 
620         if ((cpu->cfg.ext_zfh || cpu->cfg.ext_zfhmin) && !cpu->cfg.ext_f) {
621             error_setg(errp, "Zfh/Zfhmin extensions require F extension");
622             return;
623         }
624 
625         if (cpu->cfg.ext_d && !cpu->cfg.ext_f) {
626             error_setg(errp, "D extension requires F extension");
627             return;
628         }
629 
630         if (cpu->cfg.ext_v && !cpu->cfg.ext_d) {
631             error_setg(errp, "V extension requires D extension");
632             return;
633         }
634 
635         if ((cpu->cfg.ext_zve32f || cpu->cfg.ext_zve64f) && !cpu->cfg.ext_f) {
636             error_setg(errp, "Zve32f/Zve64f extensions require F extension");
637             return;
638         }
639 
640         /* Set the ISA extensions, checks should have happened above */
641         if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx ||
642             cpu->cfg.ext_zhinxmin) {
643             cpu->cfg.ext_zfinx = true;
644         }
645 
646         if (cpu->cfg.ext_zfinx) {
647             if (!cpu->cfg.ext_icsr) {
648                 error_setg(errp, "Zfinx extension requires Zicsr");
649                 return;
650             }
651             if (cpu->cfg.ext_f) {
652                 error_setg(errp,
653                     "Zfinx cannot be supported together with F extension");
654                 return;
655             }
656         }
657 
658         if (cpu->cfg.ext_zk) {
659             cpu->cfg.ext_zkn = true;
660             cpu->cfg.ext_zkr = true;
661             cpu->cfg.ext_zkt = true;
662         }
663 
664         if (cpu->cfg.ext_zkn) {
665             cpu->cfg.ext_zbkb = true;
666             cpu->cfg.ext_zbkc = true;
667             cpu->cfg.ext_zbkx = true;
668             cpu->cfg.ext_zkne = true;
669             cpu->cfg.ext_zknd = true;
670             cpu->cfg.ext_zknh = true;
671         }
672 
673         if (cpu->cfg.ext_zks) {
674             cpu->cfg.ext_zbkb = true;
675             cpu->cfg.ext_zbkc = true;
676             cpu->cfg.ext_zbkx = true;
677             cpu->cfg.ext_zksed = true;
678             cpu->cfg.ext_zksh = true;
679         }
680 
681         if (cpu->cfg.ext_i) {
682             ext |= RVI;
683         }
684         if (cpu->cfg.ext_e) {
685             ext |= RVE;
686         }
687         if (cpu->cfg.ext_m) {
688             ext |= RVM;
689         }
690         if (cpu->cfg.ext_a) {
691             ext |= RVA;
692         }
693         if (cpu->cfg.ext_f) {
694             ext |= RVF;
695         }
696         if (cpu->cfg.ext_d) {
697             ext |= RVD;
698         }
699         if (cpu->cfg.ext_c) {
700             ext |= RVC;
701         }
702         if (cpu->cfg.ext_s) {
703             ext |= RVS;
704         }
705         if (cpu->cfg.ext_u) {
706             ext |= RVU;
707         }
708         if (cpu->cfg.ext_h) {
709             ext |= RVH;
710         }
711         if (cpu->cfg.ext_v) {
712             int vext_version = VEXT_VERSION_1_00_0;
713             ext |= RVV;
714             if (!is_power_of_2(cpu->cfg.vlen)) {
715                 error_setg(errp,
716                         "Vector extension VLEN must be power of 2");
717                 return;
718             }
719             if (cpu->cfg.vlen > RV_VLEN_MAX || cpu->cfg.vlen < 128) {
720                 error_setg(errp,
721                         "Vector extension implementation only supports VLEN "
722                         "in the range [128, %d]", RV_VLEN_MAX);
723                 return;
724             }
725             if (!is_power_of_2(cpu->cfg.elen)) {
726                 error_setg(errp,
727                         "Vector extension ELEN must be power of 2");
728                 return;
729             }
730             if (cpu->cfg.elen > 64 || cpu->cfg.vlen < 8) {
731                 error_setg(errp,
732                         "Vector extension implementation only supports ELEN "
733                         "in the range [8, 64]");
734                 return;
735             }
736             if (cpu->cfg.vext_spec) {
737                 if (!g_strcmp0(cpu->cfg.vext_spec, "v1.0")) {
738                     vext_version = VEXT_VERSION_1_00_0;
739                 } else {
740                     error_setg(errp,
741                            "Unsupported vector spec version '%s'",
742                            cpu->cfg.vext_spec);
743                     return;
744                 }
745             } else {
746                 qemu_log("vector version is not specified, "
747                          "use the default value v1.0\n");
748             }
749             set_vext_version(env, vext_version);
750         }
751         if (cpu->cfg.ext_j) {
752             ext |= RVJ;
753         }
754 
755         set_misa(env, env->misa_mxl, ext);
756     }
757 
758     riscv_cpu_register_gdb_regs_for_features(cs);
759 
760     qemu_init_vcpu(cs);
761     cpu_reset(cs);
762 
763     mcc->parent_realize(dev, errp);
764 }
765 
766 #ifndef CONFIG_USER_ONLY
767 static void riscv_cpu_set_irq(void *opaque, int irq, int level)
768 {
769     RISCVCPU *cpu = RISCV_CPU(opaque);
770     CPURISCVState *env = &cpu->env;
771 
772     if (irq < IRQ_LOCAL_MAX) {
773         switch (irq) {
774         case IRQ_U_SOFT:
775         case IRQ_S_SOFT:
776         case IRQ_VS_SOFT:
777         case IRQ_M_SOFT:
778         case IRQ_U_TIMER:
779         case IRQ_S_TIMER:
780         case IRQ_VS_TIMER:
781         case IRQ_M_TIMER:
782         case IRQ_U_EXT:
783         case IRQ_VS_EXT:
784         case IRQ_M_EXT:
785             if (kvm_enabled()) {
786                 kvm_riscv_set_irq(cpu, irq, level);
787             } else {
788                 riscv_cpu_update_mip(cpu, 1 << irq, BOOL_TO_MASK(level));
789             }
790              break;
791         case IRQ_S_EXT:
792             if (kvm_enabled()) {
793                 kvm_riscv_set_irq(cpu, irq, level);
794             } else {
795                 env->external_seip = level;
796                 riscv_cpu_update_mip(cpu, 1 << irq,
797                                      BOOL_TO_MASK(level | env->software_seip));
798             }
799             break;
800         default:
801             g_assert_not_reached();
802         }
803     } else if (irq < (IRQ_LOCAL_MAX + IRQ_LOCAL_GUEST_MAX)) {
804         /* Require H-extension for handling guest local interrupts */
805         if (!riscv_has_ext(env, RVH)) {
806             g_assert_not_reached();
807         }
808 
809         /* Compute bit position in HGEIP CSR */
810         irq = irq - IRQ_LOCAL_MAX + 1;
811         if (env->geilen < irq) {
812             g_assert_not_reached();
813         }
814 
815         /* Update HGEIP CSR */
816         env->hgeip &= ~((target_ulong)1 << irq);
817         if (level) {
818             env->hgeip |= (target_ulong)1 << irq;
819         }
820 
821         /* Update mip.SGEIP bit */
822         riscv_cpu_update_mip(cpu, MIP_SGEIP,
823                              BOOL_TO_MASK(!!(env->hgeie & env->hgeip)));
824     } else {
825         g_assert_not_reached();
826     }
827 }
828 #endif /* CONFIG_USER_ONLY */
829 
830 static void riscv_cpu_init(Object *obj)
831 {
832     RISCVCPU *cpu = RISCV_CPU(obj);
833 
834     cpu_set_cpustate_pointers(cpu);
835 
836 #ifndef CONFIG_USER_ONLY
837     qdev_init_gpio_in(DEVICE(cpu), riscv_cpu_set_irq,
838                       IRQ_LOCAL_MAX + IRQ_LOCAL_GUEST_MAX);
839 #endif /* CONFIG_USER_ONLY */
840 }
841 
842 static Property riscv_cpu_properties[] = {
843     /* Defaults for standard extensions */
844     DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true),
845     DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false),
846     DEFINE_PROP_BOOL("g", RISCVCPU, cfg.ext_g, false),
847     DEFINE_PROP_BOOL("m", RISCVCPU, cfg.ext_m, true),
848     DEFINE_PROP_BOOL("a", RISCVCPU, cfg.ext_a, true),
849     DEFINE_PROP_BOOL("f", RISCVCPU, cfg.ext_f, true),
850     DEFINE_PROP_BOOL("d", RISCVCPU, cfg.ext_d, true),
851     DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
852     DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
853     DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
854     DEFINE_PROP_BOOL("v", RISCVCPU, cfg.ext_v, false),
855     DEFINE_PROP_BOOL("h", RISCVCPU, cfg.ext_h, true),
856     DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
857     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
858     DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
859     DEFINE_PROP_BOOL("Zfh", RISCVCPU, cfg.ext_zfh, false),
860     DEFINE_PROP_BOOL("Zfhmin", RISCVCPU, cfg.ext_zfhmin, false),
861     DEFINE_PROP_BOOL("Zve32f", RISCVCPU, cfg.ext_zve32f, false),
862     DEFINE_PROP_BOOL("Zve64f", RISCVCPU, cfg.ext_zve64f, false),
863     DEFINE_PROP_BOOL("mmu", RISCVCPU, cfg.mmu, true),
864     DEFINE_PROP_BOOL("pmp", RISCVCPU, cfg.pmp, true),
865     DEFINE_PROP_BOOL("debug", RISCVCPU, cfg.debug, true),
866 
867     DEFINE_PROP_STRING("priv_spec", RISCVCPU, cfg.priv_spec),
868     DEFINE_PROP_STRING("vext_spec", RISCVCPU, cfg.vext_spec),
869     DEFINE_PROP_UINT16("vlen", RISCVCPU, cfg.vlen, 128),
870     DEFINE_PROP_UINT16("elen", RISCVCPU, cfg.elen, 64),
871 
872     DEFINE_PROP_UINT32("mvendorid", RISCVCPU, cfg.mvendorid, 0),
873     DEFINE_PROP_UINT64("marchid", RISCVCPU, cfg.marchid, RISCV_CPU_MARCHID),
874     DEFINE_PROP_UINT64("mimpid", RISCVCPU, cfg.mimpid, RISCV_CPU_MIMPID),
875 
876     DEFINE_PROP_BOOL("svinval", RISCVCPU, cfg.ext_svinval, false),
877     DEFINE_PROP_BOOL("svnapot", RISCVCPU, cfg.ext_svnapot, false),
878     DEFINE_PROP_BOOL("svpbmt", RISCVCPU, cfg.ext_svpbmt, false),
879 
880     DEFINE_PROP_BOOL("zba", RISCVCPU, cfg.ext_zba, true),
881     DEFINE_PROP_BOOL("zbb", RISCVCPU, cfg.ext_zbb, true),
882     DEFINE_PROP_BOOL("zbc", RISCVCPU, cfg.ext_zbc, true),
883     DEFINE_PROP_BOOL("zbkb", RISCVCPU, cfg.ext_zbkb, false),
884     DEFINE_PROP_BOOL("zbkc", RISCVCPU, cfg.ext_zbkc, false),
885     DEFINE_PROP_BOOL("zbkx", RISCVCPU, cfg.ext_zbkx, false),
886     DEFINE_PROP_BOOL("zbs", RISCVCPU, cfg.ext_zbs, true),
887     DEFINE_PROP_BOOL("zk", RISCVCPU, cfg.ext_zk, false),
888     DEFINE_PROP_BOOL("zkn", RISCVCPU, cfg.ext_zkn, false),
889     DEFINE_PROP_BOOL("zknd", RISCVCPU, cfg.ext_zknd, false),
890     DEFINE_PROP_BOOL("zkne", RISCVCPU, cfg.ext_zkne, false),
891     DEFINE_PROP_BOOL("zknh", RISCVCPU, cfg.ext_zknh, false),
892     DEFINE_PROP_BOOL("zkr", RISCVCPU, cfg.ext_zkr, false),
893     DEFINE_PROP_BOOL("zks", RISCVCPU, cfg.ext_zks, false),
894     DEFINE_PROP_BOOL("zksed", RISCVCPU, cfg.ext_zksed, false),
895     DEFINE_PROP_BOOL("zksh", RISCVCPU, cfg.ext_zksh, false),
896     DEFINE_PROP_BOOL("zkt", RISCVCPU, cfg.ext_zkt, false),
897 
898     DEFINE_PROP_BOOL("zdinx", RISCVCPU, cfg.ext_zdinx, false),
899     DEFINE_PROP_BOOL("zfinx", RISCVCPU, cfg.ext_zfinx, false),
900     DEFINE_PROP_BOOL("zhinx", RISCVCPU, cfg.ext_zhinx, false),
901     DEFINE_PROP_BOOL("zhinxmin", RISCVCPU, cfg.ext_zhinxmin, false),
902 
903     /* Vendor-specific custom extensions */
904     DEFINE_PROP_BOOL("xventanacondops", RISCVCPU, cfg.ext_XVentanaCondOps, false),
905 
906     /* These are experimental so mark with 'x-' */
907     DEFINE_PROP_BOOL("x-j", RISCVCPU, cfg.ext_j, false),
908     /* ePMP 0.9.3 */
909     DEFINE_PROP_BOOL("x-epmp", RISCVCPU, cfg.epmp, false),
910     DEFINE_PROP_BOOL("x-aia", RISCVCPU, cfg.aia, false),
911 
912     DEFINE_PROP_UINT64("resetvec", RISCVCPU, cfg.resetvec, DEFAULT_RSTVEC),
913 
914     DEFINE_PROP_BOOL("short-isa-string", RISCVCPU, cfg.short_isa_string, false),
915     DEFINE_PROP_END_OF_LIST(),
916 };
917 
918 static gchar *riscv_gdb_arch_name(CPUState *cs)
919 {
920     RISCVCPU *cpu = RISCV_CPU(cs);
921     CPURISCVState *env = &cpu->env;
922 
923     switch (riscv_cpu_mxl(env)) {
924     case MXL_RV32:
925         return g_strdup("riscv:rv32");
926     case MXL_RV64:
927     case MXL_RV128:
928         return g_strdup("riscv:rv64");
929     default:
930         g_assert_not_reached();
931     }
932 }
933 
934 static const char *riscv_gdb_get_dynamic_xml(CPUState *cs, const char *xmlname)
935 {
936     RISCVCPU *cpu = RISCV_CPU(cs);
937 
938     if (strcmp(xmlname, "riscv-csr.xml") == 0) {
939         return cpu->dyn_csr_xml;
940     } else if (strcmp(xmlname, "riscv-vector.xml") == 0) {
941         return cpu->dyn_vreg_xml;
942     }
943 
944     return NULL;
945 }
946 
947 #ifndef CONFIG_USER_ONLY
948 #include "hw/core/sysemu-cpu-ops.h"
949 
950 static const struct SysemuCPUOps riscv_sysemu_ops = {
951     .get_phys_page_debug = riscv_cpu_get_phys_page_debug,
952     .write_elf64_note = riscv_cpu_write_elf64_note,
953     .write_elf32_note = riscv_cpu_write_elf32_note,
954     .legacy_vmsd = &vmstate_riscv_cpu,
955 };
956 #endif
957 
958 #include "hw/core/tcg-cpu-ops.h"
959 
960 static const struct TCGCPUOps riscv_tcg_ops = {
961     .initialize = riscv_translate_init,
962     .synchronize_from_tb = riscv_cpu_synchronize_from_tb,
963 
964 #ifndef CONFIG_USER_ONLY
965     .tlb_fill = riscv_cpu_tlb_fill,
966     .cpu_exec_interrupt = riscv_cpu_exec_interrupt,
967     .do_interrupt = riscv_cpu_do_interrupt,
968     .do_transaction_failed = riscv_cpu_do_transaction_failed,
969     .do_unaligned_access = riscv_cpu_do_unaligned_access,
970     .debug_excp_handler = riscv_cpu_debug_excp_handler,
971     .debug_check_breakpoint = riscv_cpu_debug_check_breakpoint,
972     .debug_check_watchpoint = riscv_cpu_debug_check_watchpoint,
973 #endif /* !CONFIG_USER_ONLY */
974 };
975 
976 static void riscv_cpu_class_init(ObjectClass *c, void *data)
977 {
978     RISCVCPUClass *mcc = RISCV_CPU_CLASS(c);
979     CPUClass *cc = CPU_CLASS(c);
980     DeviceClass *dc = DEVICE_CLASS(c);
981 
982     device_class_set_parent_realize(dc, riscv_cpu_realize,
983                                     &mcc->parent_realize);
984 
985     device_class_set_parent_reset(dc, riscv_cpu_reset, &mcc->parent_reset);
986 
987     cc->class_by_name = riscv_cpu_class_by_name;
988     cc->has_work = riscv_cpu_has_work;
989     cc->dump_state = riscv_cpu_dump_state;
990     cc->set_pc = riscv_cpu_set_pc;
991     cc->gdb_read_register = riscv_cpu_gdb_read_register;
992     cc->gdb_write_register = riscv_cpu_gdb_write_register;
993     cc->gdb_num_core_regs = 33;
994     cc->gdb_stop_before_watchpoint = true;
995     cc->disas_set_info = riscv_cpu_disas_set_info;
996 #ifndef CONFIG_USER_ONLY
997     cc->sysemu_ops = &riscv_sysemu_ops;
998 #endif
999     cc->gdb_arch_name = riscv_gdb_arch_name;
1000     cc->gdb_get_dynamic_xml = riscv_gdb_get_dynamic_xml;
1001     cc->tcg_ops = &riscv_tcg_ops;
1002 
1003     device_class_set_props(dc, riscv_cpu_properties);
1004 }
1005 
1006 #define ISA_EDATA_ENTRY(name, prop) {#name, cpu->cfg.prop}
1007 
1008 static void riscv_isa_string_ext(RISCVCPU *cpu, char **isa_str, int max_str_len)
1009 {
1010     char *old = *isa_str;
1011     char *new = *isa_str;
1012     int i;
1013 
1014     /**
1015      * Here are the ordering rules of extension naming defined by RISC-V
1016      * specification :
1017      * 1. All extensions should be separated from other multi-letter extensions
1018      *    by an underscore.
1019      * 2. The first letter following the 'Z' conventionally indicates the most
1020      *    closely related alphabetical extension category, IMAFDQLCBKJTPVH.
1021      *    If multiple 'Z' extensions are named, they should be ordered first
1022      *    by category, then alphabetically within a category.
1023      * 3. Standard supervisor-level extensions (starts with 'S') should be
1024      *    listed after standard unprivileged extensions.  If multiple
1025      *    supervisor-level extensions are listed, they should be ordered
1026      *    alphabetically.
1027      * 4. Non-standard extensions (starts with 'X') must be listed after all
1028      *    standard extensions. They must be separated from other multi-letter
1029      *    extensions by an underscore.
1030      */
1031     struct isa_ext_data isa_edata_arr[] = {
1032         ISA_EDATA_ENTRY(zfh, ext_zfh),
1033         ISA_EDATA_ENTRY(zfhmin, ext_zfhmin),
1034         ISA_EDATA_ENTRY(zfinx, ext_zfinx),
1035         ISA_EDATA_ENTRY(zdinx, ext_zdinx),
1036         ISA_EDATA_ENTRY(zba, ext_zba),
1037         ISA_EDATA_ENTRY(zbb, ext_zbb),
1038         ISA_EDATA_ENTRY(zbc, ext_zbc),
1039         ISA_EDATA_ENTRY(zbkb, ext_zbkb),
1040         ISA_EDATA_ENTRY(zbkc, ext_zbkc),
1041         ISA_EDATA_ENTRY(zbkx, ext_zbkx),
1042         ISA_EDATA_ENTRY(zbs, ext_zbs),
1043         ISA_EDATA_ENTRY(zk, ext_zk),
1044         ISA_EDATA_ENTRY(zkn, ext_zkn),
1045         ISA_EDATA_ENTRY(zknd, ext_zknd),
1046         ISA_EDATA_ENTRY(zkne, ext_zkne),
1047         ISA_EDATA_ENTRY(zknh, ext_zknh),
1048         ISA_EDATA_ENTRY(zkr, ext_zkr),
1049         ISA_EDATA_ENTRY(zks, ext_zks),
1050         ISA_EDATA_ENTRY(zksed, ext_zksed),
1051         ISA_EDATA_ENTRY(zksh, ext_zksh),
1052         ISA_EDATA_ENTRY(zkt, ext_zkt),
1053         ISA_EDATA_ENTRY(zve32f, ext_zve32f),
1054         ISA_EDATA_ENTRY(zve64f, ext_zve64f),
1055         ISA_EDATA_ENTRY(zhinx, ext_zhinx),
1056         ISA_EDATA_ENTRY(zhinxmin, ext_zhinxmin),
1057         ISA_EDATA_ENTRY(svinval, ext_svinval),
1058         ISA_EDATA_ENTRY(svnapot, ext_svnapot),
1059         ISA_EDATA_ENTRY(svpbmt, ext_svpbmt),
1060     };
1061 
1062     for (i = 0; i < ARRAY_SIZE(isa_edata_arr); i++) {
1063         if (isa_edata_arr[i].enabled) {
1064             new = g_strconcat(old, "_", isa_edata_arr[i].name, NULL);
1065             g_free(old);
1066             old = new;
1067         }
1068     }
1069 
1070     *isa_str = new;
1071 }
1072 
1073 char *riscv_isa_string(RISCVCPU *cpu)
1074 {
1075     int i;
1076     const size_t maxlen = sizeof("rv128") + sizeof(riscv_single_letter_exts);
1077     char *isa_str = g_new(char, maxlen);
1078     char *p = isa_str + snprintf(isa_str, maxlen, "rv%d", TARGET_LONG_BITS);
1079     for (i = 0; i < sizeof(riscv_single_letter_exts) - 1; i++) {
1080         if (cpu->env.misa_ext & RV(riscv_single_letter_exts[i])) {
1081             *p++ = qemu_tolower(riscv_single_letter_exts[i]);
1082         }
1083     }
1084     *p = '\0';
1085     if (!cpu->cfg.short_isa_string) {
1086         riscv_isa_string_ext(cpu, &isa_str, maxlen);
1087     }
1088     return isa_str;
1089 }
1090 
1091 static gint riscv_cpu_list_compare(gconstpointer a, gconstpointer b)
1092 {
1093     ObjectClass *class_a = (ObjectClass *)a;
1094     ObjectClass *class_b = (ObjectClass *)b;
1095     const char *name_a, *name_b;
1096 
1097     name_a = object_class_get_name(class_a);
1098     name_b = object_class_get_name(class_b);
1099     return strcmp(name_a, name_b);
1100 }
1101 
1102 static void riscv_cpu_list_entry(gpointer data, gpointer user_data)
1103 {
1104     const char *typename = object_class_get_name(OBJECT_CLASS(data));
1105     int len = strlen(typename) - strlen(RISCV_CPU_TYPE_SUFFIX);
1106 
1107     qemu_printf("%.*s\n", len, typename);
1108 }
1109 
1110 void riscv_cpu_list(void)
1111 {
1112     GSList *list;
1113 
1114     list = object_class_get_list(TYPE_RISCV_CPU, false);
1115     list = g_slist_sort(list, riscv_cpu_list_compare);
1116     g_slist_foreach(list, riscv_cpu_list_entry, NULL);
1117     g_slist_free(list);
1118 }
1119 
1120 #define DEFINE_CPU(type_name, initfn)      \
1121     {                                      \
1122         .name = type_name,                 \
1123         .parent = TYPE_RISCV_CPU,          \
1124         .instance_init = initfn            \
1125     }
1126 
1127 static const TypeInfo riscv_cpu_type_infos[] = {
1128     {
1129         .name = TYPE_RISCV_CPU,
1130         .parent = TYPE_CPU,
1131         .instance_size = sizeof(RISCVCPU),
1132         .instance_align = __alignof__(RISCVCPU),
1133         .instance_init = riscv_cpu_init,
1134         .abstract = true,
1135         .class_size = sizeof(RISCVCPUClass),
1136         .class_init = riscv_cpu_class_init,
1137     },
1138     DEFINE_CPU(TYPE_RISCV_CPU_ANY,              riscv_any_cpu_init),
1139 #if defined(CONFIG_KVM)
1140     DEFINE_CPU(TYPE_RISCV_CPU_HOST,             riscv_host_cpu_init),
1141 #endif
1142 #if defined(TARGET_RISCV32)
1143     DEFINE_CPU(TYPE_RISCV_CPU_BASE32,           rv32_base_cpu_init),
1144     DEFINE_CPU(TYPE_RISCV_CPU_IBEX,             rv32_ibex_cpu_init),
1145     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31,       rv32_sifive_e_cpu_init),
1146     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E34,       rv32_imafcu_nommu_cpu_init),
1147     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34,       rv32_sifive_u_cpu_init),
1148 #elif defined(TARGET_RISCV64)
1149     DEFINE_CPU(TYPE_RISCV_CPU_BASE64,           rv64_base_cpu_init),
1150     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E51,       rv64_sifive_e_cpu_init),
1151     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54,       rv64_sifive_u_cpu_init),
1152     DEFINE_CPU(TYPE_RISCV_CPU_SHAKTI_C,         rv64_sifive_u_cpu_init),
1153     DEFINE_CPU(TYPE_RISCV_CPU_BASE128,          rv128_base_cpu_init),
1154 #endif
1155 };
1156 
1157 DEFINE_TYPES(riscv_cpu_type_infos)
1158