xref: /openbmc/qemu/target/arm/cpu64.c (revision b7d89466)
1 /*
2  * QEMU AArch64 CPU
3  *
4  * Copyright (c) 2013 Linaro Ltd
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see
18  * <http://www.gnu.org/licenses/gpl-2.0.html>
19  */
20 
21 #include "qemu/osdep.h"
22 #include "qapi/error.h"
23 #include "cpu.h"
24 #include "qemu-common.h"
25 #if !defined(CONFIG_USER_ONLY)
26 #include "hw/loader.h"
27 #endif
28 #include "hw/arm/arm.h"
29 #include "sysemu/sysemu.h"
30 #include "sysemu/kvm.h"
31 #include "kvm_arm.h"
32 #include "qapi/visitor.h"
33 
34 static inline void set_feature(CPUARMState *env, int feature)
35 {
36     env->features |= 1ULL << feature;
37 }
38 
39 static inline void unset_feature(CPUARMState *env, int feature)
40 {
41     env->features &= ~(1ULL << feature);
42 }
43 
44 #ifndef CONFIG_USER_ONLY
45 static uint64_t a57_a53_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri)
46 {
47     ARMCPU *cpu = arm_env_get_cpu(env);
48 
49     /* Number of cores is in [25:24]; otherwise we RAZ */
50     return (cpu->core_count - 1) << 24;
51 }
52 #endif
53 
54 static const ARMCPRegInfo cortex_a72_a57_a53_cp_reginfo[] = {
55 #ifndef CONFIG_USER_ONLY
56     { .name = "L2CTLR_EL1", .state = ARM_CP_STATE_AA64,
57       .opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 2,
58       .access = PL1_RW, .readfn = a57_a53_l2ctlr_read,
59       .writefn = arm_cp_write_ignore },
60     { .name = "L2CTLR",
61       .cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 2,
62       .access = PL1_RW, .readfn = a57_a53_l2ctlr_read,
63       .writefn = arm_cp_write_ignore },
64 #endif
65     { .name = "L2ECTLR_EL1", .state = ARM_CP_STATE_AA64,
66       .opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 3,
67       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
68     { .name = "L2ECTLR",
69       .cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 3,
70       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
71     { .name = "L2ACTLR", .state = ARM_CP_STATE_BOTH,
72       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 0, .opc2 = 0,
73       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
74     { .name = "CPUACTLR_EL1", .state = ARM_CP_STATE_AA64,
75       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 0,
76       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
77     { .name = "CPUACTLR",
78       .cp = 15, .opc1 = 0, .crm = 15,
79       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
80     { .name = "CPUECTLR_EL1", .state = ARM_CP_STATE_AA64,
81       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 1,
82       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
83     { .name = "CPUECTLR",
84       .cp = 15, .opc1 = 1, .crm = 15,
85       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
86     { .name = "CPUMERRSR_EL1", .state = ARM_CP_STATE_AA64,
87       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 2,
88       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
89     { .name = "CPUMERRSR",
90       .cp = 15, .opc1 = 2, .crm = 15,
91       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
92     { .name = "L2MERRSR_EL1", .state = ARM_CP_STATE_AA64,
93       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 3,
94       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
95     { .name = "L2MERRSR",
96       .cp = 15, .opc1 = 3, .crm = 15,
97       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
98     REGINFO_SENTINEL
99 };
100 
101 static void aarch64_a57_initfn(Object *obj)
102 {
103     ARMCPU *cpu = ARM_CPU(obj);
104 
105     cpu->dtb_compatible = "arm,cortex-a57";
106     set_feature(&cpu->env, ARM_FEATURE_V8);
107     set_feature(&cpu->env, ARM_FEATURE_VFP4);
108     set_feature(&cpu->env, ARM_FEATURE_NEON);
109     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
110     set_feature(&cpu->env, ARM_FEATURE_AARCH64);
111     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
112     set_feature(&cpu->env, ARM_FEATURE_EL2);
113     set_feature(&cpu->env, ARM_FEATURE_EL3);
114     set_feature(&cpu->env, ARM_FEATURE_PMU);
115     cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A57;
116     cpu->midr = 0x411fd070;
117     cpu->revidr = 0x00000000;
118     cpu->reset_fpsid = 0x41034070;
119     cpu->isar.mvfr0 = 0x10110222;
120     cpu->isar.mvfr1 = 0x12111111;
121     cpu->isar.mvfr2 = 0x00000043;
122     cpu->ctr = 0x8444c004;
123     cpu->reset_sctlr = 0x00c50838;
124     cpu->id_pfr0 = 0x00000131;
125     cpu->id_pfr1 = 0x00011011;
126     cpu->id_dfr0 = 0x03010066;
127     cpu->id_afr0 = 0x00000000;
128     cpu->id_mmfr0 = 0x10101105;
129     cpu->id_mmfr1 = 0x40000000;
130     cpu->id_mmfr2 = 0x01260000;
131     cpu->id_mmfr3 = 0x02102211;
132     cpu->isar.id_isar0 = 0x02101110;
133     cpu->isar.id_isar1 = 0x13112111;
134     cpu->isar.id_isar2 = 0x21232042;
135     cpu->isar.id_isar3 = 0x01112131;
136     cpu->isar.id_isar4 = 0x00011142;
137     cpu->isar.id_isar5 = 0x00011121;
138     cpu->isar.id_isar6 = 0;
139     cpu->isar.id_aa64pfr0 = 0x00002222;
140     cpu->id_aa64dfr0 = 0x10305106;
141     cpu->pmceid0 = 0x00000000;
142     cpu->pmceid1 = 0x00000000;
143     cpu->isar.id_aa64isar0 = 0x00011120;
144     cpu->isar.id_aa64mmfr0 = 0x00001124;
145     cpu->dbgdidr = 0x3516d000;
146     cpu->clidr = 0x0a200023;
147     cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
148     cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
149     cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */
150     cpu->dcz_blocksize = 4; /* 64 bytes */
151     cpu->gic_num_lrs = 4;
152     cpu->gic_vpribits = 5;
153     cpu->gic_vprebits = 5;
154     define_arm_cp_regs(cpu, cortex_a72_a57_a53_cp_reginfo);
155 }
156 
157 static void aarch64_a53_initfn(Object *obj)
158 {
159     ARMCPU *cpu = ARM_CPU(obj);
160 
161     cpu->dtb_compatible = "arm,cortex-a53";
162     set_feature(&cpu->env, ARM_FEATURE_V8);
163     set_feature(&cpu->env, ARM_FEATURE_VFP4);
164     set_feature(&cpu->env, ARM_FEATURE_NEON);
165     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
166     set_feature(&cpu->env, ARM_FEATURE_AARCH64);
167     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
168     set_feature(&cpu->env, ARM_FEATURE_EL2);
169     set_feature(&cpu->env, ARM_FEATURE_EL3);
170     set_feature(&cpu->env, ARM_FEATURE_PMU);
171     cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A53;
172     cpu->midr = 0x410fd034;
173     cpu->revidr = 0x00000000;
174     cpu->reset_fpsid = 0x41034070;
175     cpu->isar.mvfr0 = 0x10110222;
176     cpu->isar.mvfr1 = 0x12111111;
177     cpu->isar.mvfr2 = 0x00000043;
178     cpu->ctr = 0x84448004; /* L1Ip = VIPT */
179     cpu->reset_sctlr = 0x00c50838;
180     cpu->id_pfr0 = 0x00000131;
181     cpu->id_pfr1 = 0x00011011;
182     cpu->id_dfr0 = 0x03010066;
183     cpu->id_afr0 = 0x00000000;
184     cpu->id_mmfr0 = 0x10101105;
185     cpu->id_mmfr1 = 0x40000000;
186     cpu->id_mmfr2 = 0x01260000;
187     cpu->id_mmfr3 = 0x02102211;
188     cpu->isar.id_isar0 = 0x02101110;
189     cpu->isar.id_isar1 = 0x13112111;
190     cpu->isar.id_isar2 = 0x21232042;
191     cpu->isar.id_isar3 = 0x01112131;
192     cpu->isar.id_isar4 = 0x00011142;
193     cpu->isar.id_isar5 = 0x00011121;
194     cpu->isar.id_isar6 = 0;
195     cpu->isar.id_aa64pfr0 = 0x00002222;
196     cpu->id_aa64dfr0 = 0x10305106;
197     cpu->isar.id_aa64isar0 = 0x00011120;
198     cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
199     cpu->dbgdidr = 0x3516d000;
200     cpu->clidr = 0x0a200023;
201     cpu->ccsidr[0] = 0x700fe01a; /* 32KB L1 dcache */
202     cpu->ccsidr[1] = 0x201fe00a; /* 32KB L1 icache */
203     cpu->ccsidr[2] = 0x707fe07a; /* 1024KB L2 cache */
204     cpu->dcz_blocksize = 4; /* 64 bytes */
205     cpu->gic_num_lrs = 4;
206     cpu->gic_vpribits = 5;
207     cpu->gic_vprebits = 5;
208     define_arm_cp_regs(cpu, cortex_a72_a57_a53_cp_reginfo);
209 }
210 
211 static void aarch64_a72_initfn(Object *obj)
212 {
213     ARMCPU *cpu = ARM_CPU(obj);
214 
215     cpu->dtb_compatible = "arm,cortex-a72";
216     set_feature(&cpu->env, ARM_FEATURE_V8);
217     set_feature(&cpu->env, ARM_FEATURE_VFP4);
218     set_feature(&cpu->env, ARM_FEATURE_NEON);
219     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
220     set_feature(&cpu->env, ARM_FEATURE_AARCH64);
221     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
222     set_feature(&cpu->env, ARM_FEATURE_EL2);
223     set_feature(&cpu->env, ARM_FEATURE_EL3);
224     set_feature(&cpu->env, ARM_FEATURE_PMU);
225     cpu->midr = 0x410fd083;
226     cpu->revidr = 0x00000000;
227     cpu->reset_fpsid = 0x41034080;
228     cpu->isar.mvfr0 = 0x10110222;
229     cpu->isar.mvfr1 = 0x12111111;
230     cpu->isar.mvfr2 = 0x00000043;
231     cpu->ctr = 0x8444c004;
232     cpu->reset_sctlr = 0x00c50838;
233     cpu->id_pfr0 = 0x00000131;
234     cpu->id_pfr1 = 0x00011011;
235     cpu->id_dfr0 = 0x03010066;
236     cpu->id_afr0 = 0x00000000;
237     cpu->id_mmfr0 = 0x10201105;
238     cpu->id_mmfr1 = 0x40000000;
239     cpu->id_mmfr2 = 0x01260000;
240     cpu->id_mmfr3 = 0x02102211;
241     cpu->isar.id_isar0 = 0x02101110;
242     cpu->isar.id_isar1 = 0x13112111;
243     cpu->isar.id_isar2 = 0x21232042;
244     cpu->isar.id_isar3 = 0x01112131;
245     cpu->isar.id_isar4 = 0x00011142;
246     cpu->isar.id_isar5 = 0x00011121;
247     cpu->isar.id_aa64pfr0 = 0x00002222;
248     cpu->id_aa64dfr0 = 0x10305106;
249     cpu->pmceid0 = 0x00000000;
250     cpu->pmceid1 = 0x00000000;
251     cpu->isar.id_aa64isar0 = 0x00011120;
252     cpu->isar.id_aa64mmfr0 = 0x00001124;
253     cpu->dbgdidr = 0x3516d000;
254     cpu->clidr = 0x0a200023;
255     cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
256     cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
257     cpu->ccsidr[2] = 0x707fe07a; /* 1MB L2 cache */
258     cpu->dcz_blocksize = 4; /* 64 bytes */
259     cpu->gic_num_lrs = 4;
260     cpu->gic_vpribits = 5;
261     cpu->gic_vprebits = 5;
262     define_arm_cp_regs(cpu, cortex_a72_a57_a53_cp_reginfo);
263 }
264 
265 static void cpu_max_get_sve_vq(Object *obj, Visitor *v, const char *name,
266                                void *opaque, Error **errp)
267 {
268     ARMCPU *cpu = ARM_CPU(obj);
269     visit_type_uint32(v, name, &cpu->sve_max_vq, errp);
270 }
271 
272 static void cpu_max_set_sve_vq(Object *obj, Visitor *v, const char *name,
273                                void *opaque, Error **errp)
274 {
275     ARMCPU *cpu = ARM_CPU(obj);
276     Error *err = NULL;
277 
278     visit_type_uint32(v, name, &cpu->sve_max_vq, &err);
279 
280     if (!err && (cpu->sve_max_vq == 0 || cpu->sve_max_vq > ARM_MAX_VQ)) {
281         error_setg(&err, "unsupported SVE vector length");
282         error_append_hint(&err, "Valid sve-max-vq in range [1-%d]\n",
283                           ARM_MAX_VQ);
284     }
285     error_propagate(errp, err);
286 }
287 
288 /* -cpu max: if KVM is enabled, like -cpu host (best possible with this host);
289  * otherwise, a CPU with as many features enabled as our emulation supports.
290  * The version of '-cpu max' for qemu-system-arm is defined in cpu.c;
291  * this only needs to handle 64 bits.
292  */
293 static void aarch64_max_initfn(Object *obj)
294 {
295     ARMCPU *cpu = ARM_CPU(obj);
296 
297     if (kvm_enabled()) {
298         kvm_arm_set_cpu_features_from_host(cpu);
299     } else {
300         uint64_t t;
301         uint32_t u;
302         aarch64_a57_initfn(obj);
303 
304         t = cpu->isar.id_aa64isar0;
305         t = FIELD_DP64(t, ID_AA64ISAR0, AES, 2); /* AES + PMULL */
306         t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1);
307         t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* SHA512 */
308         t = FIELD_DP64(t, ID_AA64ISAR0, CRC32, 1);
309         t = FIELD_DP64(t, ID_AA64ISAR0, ATOMIC, 2);
310         t = FIELD_DP64(t, ID_AA64ISAR0, RDM, 1);
311         t = FIELD_DP64(t, ID_AA64ISAR0, SHA3, 1);
312         t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 1);
313         t = FIELD_DP64(t, ID_AA64ISAR0, SM4, 1);
314         t = FIELD_DP64(t, ID_AA64ISAR0, DP, 1);
315         cpu->isar.id_aa64isar0 = t;
316 
317         t = cpu->isar.id_aa64isar1;
318         t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 1);
319         cpu->isar.id_aa64isar1 = t;
320 
321         t = cpu->isar.id_aa64pfr0;
322         t = FIELD_DP64(t, ID_AA64PFR0, SVE, 1);
323         t = FIELD_DP64(t, ID_AA64PFR0, FP, 1);
324         t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 1);
325         cpu->isar.id_aa64pfr0 = t;
326 
327         t = cpu->isar.id_aa64mmfr1;
328         t = FIELD_DP64(t, ID_AA64MMFR1, HPDS, 1); /* HPD */
329         t = FIELD_DP64(t, ID_AA64MMFR1, LO, 1);
330         cpu->isar.id_aa64mmfr1 = t;
331 
332         /* Replicate the same data to the 32-bit id registers.  */
333         u = cpu->isar.id_isar5;
334         u = FIELD_DP32(u, ID_ISAR5, AES, 2); /* AES + PMULL */
335         u = FIELD_DP32(u, ID_ISAR5, SHA1, 1);
336         u = FIELD_DP32(u, ID_ISAR5, SHA2, 1);
337         u = FIELD_DP32(u, ID_ISAR5, CRC32, 1);
338         u = FIELD_DP32(u, ID_ISAR5, RDM, 1);
339         u = FIELD_DP32(u, ID_ISAR5, VCMA, 1);
340         cpu->isar.id_isar5 = u;
341 
342         u = cpu->isar.id_isar6;
343         u = FIELD_DP32(u, ID_ISAR6, DP, 1);
344         cpu->isar.id_isar6 = u;
345 
346         /*
347          * FIXME: We do not yet support ARMv8.2-fp16 for AArch32 yet,
348          * so do not set MVFR1.FPHP.  Strictly speaking this is not legal,
349          * but it is also not legal to enable SVE without support for FP16,
350          * and enabling SVE in system mode is more useful in the short term.
351          */
352 
353 #ifdef CONFIG_USER_ONLY
354         /* For usermode -cpu max we can use a larger and more efficient DCZ
355          * blocksize since we don't have to follow what the hardware does.
356          */
357         cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */
358         cpu->dcz_blocksize = 7; /*  512 bytes */
359 #endif
360 
361         cpu->sve_max_vq = ARM_MAX_VQ;
362         object_property_add(obj, "sve-max-vq", "uint32", cpu_max_get_sve_vq,
363                             cpu_max_set_sve_vq, NULL, NULL, &error_fatal);
364     }
365 }
366 
367 typedef struct ARMCPUInfo {
368     const char *name;
369     void (*initfn)(Object *obj);
370     void (*class_init)(ObjectClass *oc, void *data);
371 } ARMCPUInfo;
372 
373 static const ARMCPUInfo aarch64_cpus[] = {
374     { .name = "cortex-a57",         .initfn = aarch64_a57_initfn },
375     { .name = "cortex-a53",         .initfn = aarch64_a53_initfn },
376     { .name = "cortex-a72",         .initfn = aarch64_a72_initfn },
377     { .name = "max",                .initfn = aarch64_max_initfn },
378     { .name = NULL }
379 };
380 
381 static bool aarch64_cpu_get_aarch64(Object *obj, Error **errp)
382 {
383     ARMCPU *cpu = ARM_CPU(obj);
384 
385     return arm_feature(&cpu->env, ARM_FEATURE_AARCH64);
386 }
387 
388 static void aarch64_cpu_set_aarch64(Object *obj, bool value, Error **errp)
389 {
390     ARMCPU *cpu = ARM_CPU(obj);
391 
392     /* At this time, this property is only allowed if KVM is enabled.  This
393      * restriction allows us to avoid fixing up functionality that assumes a
394      * uniform execution state like do_interrupt.
395      */
396     if (!kvm_enabled()) {
397         error_setg(errp, "'aarch64' feature cannot be disabled "
398                          "unless KVM is enabled");
399         return;
400     }
401 
402     if (value == false) {
403         unset_feature(&cpu->env, ARM_FEATURE_AARCH64);
404     } else {
405         set_feature(&cpu->env, ARM_FEATURE_AARCH64);
406     }
407 }
408 
409 static void aarch64_cpu_initfn(Object *obj)
410 {
411     object_property_add_bool(obj, "aarch64", aarch64_cpu_get_aarch64,
412                              aarch64_cpu_set_aarch64, NULL);
413     object_property_set_description(obj, "aarch64",
414                                     "Set on/off to enable/disable aarch64 "
415                                     "execution state ",
416                                     NULL);
417 }
418 
419 static void aarch64_cpu_finalizefn(Object *obj)
420 {
421 }
422 
423 static void aarch64_cpu_set_pc(CPUState *cs, vaddr value)
424 {
425     ARMCPU *cpu = ARM_CPU(cs);
426     /* It's OK to look at env for the current mode here, because it's
427      * never possible for an AArch64 TB to chain to an AArch32 TB.
428      * (Otherwise we would need to use synchronize_from_tb instead.)
429      */
430     if (is_a64(&cpu->env)) {
431         cpu->env.pc = value;
432     } else {
433         cpu->env.regs[15] = value;
434     }
435 }
436 
437 static gchar *aarch64_gdb_arch_name(CPUState *cs)
438 {
439     return g_strdup("aarch64");
440 }
441 
442 static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
443 {
444     CPUClass *cc = CPU_CLASS(oc);
445 
446     cc->cpu_exec_interrupt = arm_cpu_exec_interrupt;
447     cc->set_pc = aarch64_cpu_set_pc;
448     cc->gdb_read_register = aarch64_cpu_gdb_read_register;
449     cc->gdb_write_register = aarch64_cpu_gdb_write_register;
450     cc->gdb_num_core_regs = 34;
451     cc->gdb_core_xml_file = "aarch64-core.xml";
452     cc->gdb_arch_name = aarch64_gdb_arch_name;
453 }
454 
455 static void aarch64_cpu_register(const ARMCPUInfo *info)
456 {
457     TypeInfo type_info = {
458         .parent = TYPE_AARCH64_CPU,
459         .instance_size = sizeof(ARMCPU),
460         .instance_init = info->initfn,
461         .class_size = sizeof(ARMCPUClass),
462         .class_init = info->class_init,
463     };
464 
465     type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
466     type_register(&type_info);
467     g_free((void *)type_info.name);
468 }
469 
470 static const TypeInfo aarch64_cpu_type_info = {
471     .name = TYPE_AARCH64_CPU,
472     .parent = TYPE_ARM_CPU,
473     .instance_size = sizeof(ARMCPU),
474     .instance_init = aarch64_cpu_initfn,
475     .instance_finalize = aarch64_cpu_finalizefn,
476     .abstract = true,
477     .class_size = sizeof(AArch64CPUClass),
478     .class_init = aarch64_cpu_class_init,
479 };
480 
481 static void aarch64_cpu_register_types(void)
482 {
483     const ARMCPUInfo *info = aarch64_cpus;
484 
485     type_register_static(&aarch64_cpu_type_info);
486 
487     while (info->name) {
488         aarch64_cpu_register(info);
489         info++;
490     }
491 }
492 
493 type_init(aarch64_cpu_register_types)
494