xref: /openbmc/qemu/target/arm/cpu64.c (revision 3109cd98)
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 "sysemu/sysemu.h"
29 #include "sysemu/kvm.h"
30 #include "kvm_arm.h"
31 #include "qapi/visitor.h"
32 
33 static inline void set_feature(CPUARMState *env, int feature)
34 {
35     env->features |= 1ULL << feature;
36 }
37 
38 static inline void unset_feature(CPUARMState *env, int feature)
39 {
40     env->features &= ~(1ULL << feature);
41 }
42 
43 #ifndef CONFIG_USER_ONLY
44 static uint64_t a57_a53_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri)
45 {
46     ARMCPU *cpu = env_archcpu(env);
47 
48     /* Number of cores is in [25:24]; otherwise we RAZ */
49     return (cpu->core_count - 1) << 24;
50 }
51 #endif
52 
53 static const ARMCPRegInfo cortex_a72_a57_a53_cp_reginfo[] = {
54 #ifndef CONFIG_USER_ONLY
55     { .name = "L2CTLR_EL1", .state = ARM_CP_STATE_AA64,
56       .opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 2,
57       .access = PL1_RW, .readfn = a57_a53_l2ctlr_read,
58       .writefn = arm_cp_write_ignore },
59     { .name = "L2CTLR",
60       .cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 2,
61       .access = PL1_RW, .readfn = a57_a53_l2ctlr_read,
62       .writefn = arm_cp_write_ignore },
63 #endif
64     { .name = "L2ECTLR_EL1", .state = ARM_CP_STATE_AA64,
65       .opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 3,
66       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
67     { .name = "L2ECTLR",
68       .cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 3,
69       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
70     { .name = "L2ACTLR", .state = ARM_CP_STATE_BOTH,
71       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 0, .opc2 = 0,
72       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
73     { .name = "CPUACTLR_EL1", .state = ARM_CP_STATE_AA64,
74       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 0,
75       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
76     { .name = "CPUACTLR",
77       .cp = 15, .opc1 = 0, .crm = 15,
78       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
79     { .name = "CPUECTLR_EL1", .state = ARM_CP_STATE_AA64,
80       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 1,
81       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
82     { .name = "CPUECTLR",
83       .cp = 15, .opc1 = 1, .crm = 15,
84       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
85     { .name = "CPUMERRSR_EL1", .state = ARM_CP_STATE_AA64,
86       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 2,
87       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
88     { .name = "CPUMERRSR",
89       .cp = 15, .opc1 = 2, .crm = 15,
90       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
91     { .name = "L2MERRSR_EL1", .state = ARM_CP_STATE_AA64,
92       .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 3,
93       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
94     { .name = "L2MERRSR",
95       .cp = 15, .opc1 = 3, .crm = 15,
96       .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
97     REGINFO_SENTINEL
98 };
99 
100 static void aarch64_a57_initfn(Object *obj)
101 {
102     ARMCPU *cpu = ARM_CPU(obj);
103 
104     cpu->dtb_compatible = "arm,cortex-a57";
105     set_feature(&cpu->env, ARM_FEATURE_V8);
106     set_feature(&cpu->env, ARM_FEATURE_VFP4);
107     set_feature(&cpu->env, ARM_FEATURE_NEON);
108     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
109     set_feature(&cpu->env, ARM_FEATURE_AARCH64);
110     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
111     set_feature(&cpu->env, ARM_FEATURE_EL2);
112     set_feature(&cpu->env, ARM_FEATURE_EL3);
113     set_feature(&cpu->env, ARM_FEATURE_PMU);
114     cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A57;
115     cpu->midr = 0x411fd070;
116     cpu->revidr = 0x00000000;
117     cpu->reset_fpsid = 0x41034070;
118     cpu->isar.mvfr0 = 0x10110222;
119     cpu->isar.mvfr1 = 0x12111111;
120     cpu->isar.mvfr2 = 0x00000043;
121     cpu->ctr = 0x8444c004;
122     cpu->reset_sctlr = 0x00c50838;
123     cpu->id_pfr0 = 0x00000131;
124     cpu->id_pfr1 = 0x00011011;
125     cpu->id_dfr0 = 0x03010066;
126     cpu->id_afr0 = 0x00000000;
127     cpu->id_mmfr0 = 0x10101105;
128     cpu->id_mmfr1 = 0x40000000;
129     cpu->id_mmfr2 = 0x01260000;
130     cpu->id_mmfr3 = 0x02102211;
131     cpu->isar.id_isar0 = 0x02101110;
132     cpu->isar.id_isar1 = 0x13112111;
133     cpu->isar.id_isar2 = 0x21232042;
134     cpu->isar.id_isar3 = 0x01112131;
135     cpu->isar.id_isar4 = 0x00011142;
136     cpu->isar.id_isar5 = 0x00011121;
137     cpu->isar.id_isar6 = 0;
138     cpu->isar.id_aa64pfr0 = 0x00002222;
139     cpu->id_aa64dfr0 = 0x10305106;
140     cpu->isar.id_aa64isar0 = 0x00011120;
141     cpu->isar.id_aa64mmfr0 = 0x00001124;
142     cpu->dbgdidr = 0x3516d000;
143     cpu->clidr = 0x0a200023;
144     cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
145     cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
146     cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */
147     cpu->dcz_blocksize = 4; /* 64 bytes */
148     cpu->gic_num_lrs = 4;
149     cpu->gic_vpribits = 5;
150     cpu->gic_vprebits = 5;
151     define_arm_cp_regs(cpu, cortex_a72_a57_a53_cp_reginfo);
152 }
153 
154 static void aarch64_a53_initfn(Object *obj)
155 {
156     ARMCPU *cpu = ARM_CPU(obj);
157 
158     cpu->dtb_compatible = "arm,cortex-a53";
159     set_feature(&cpu->env, ARM_FEATURE_V8);
160     set_feature(&cpu->env, ARM_FEATURE_VFP4);
161     set_feature(&cpu->env, ARM_FEATURE_NEON);
162     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
163     set_feature(&cpu->env, ARM_FEATURE_AARCH64);
164     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
165     set_feature(&cpu->env, ARM_FEATURE_EL2);
166     set_feature(&cpu->env, ARM_FEATURE_EL3);
167     set_feature(&cpu->env, ARM_FEATURE_PMU);
168     cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A53;
169     cpu->midr = 0x410fd034;
170     cpu->revidr = 0x00000000;
171     cpu->reset_fpsid = 0x41034070;
172     cpu->isar.mvfr0 = 0x10110222;
173     cpu->isar.mvfr1 = 0x12111111;
174     cpu->isar.mvfr2 = 0x00000043;
175     cpu->ctr = 0x84448004; /* L1Ip = VIPT */
176     cpu->reset_sctlr = 0x00c50838;
177     cpu->id_pfr0 = 0x00000131;
178     cpu->id_pfr1 = 0x00011011;
179     cpu->id_dfr0 = 0x03010066;
180     cpu->id_afr0 = 0x00000000;
181     cpu->id_mmfr0 = 0x10101105;
182     cpu->id_mmfr1 = 0x40000000;
183     cpu->id_mmfr2 = 0x01260000;
184     cpu->id_mmfr3 = 0x02102211;
185     cpu->isar.id_isar0 = 0x02101110;
186     cpu->isar.id_isar1 = 0x13112111;
187     cpu->isar.id_isar2 = 0x21232042;
188     cpu->isar.id_isar3 = 0x01112131;
189     cpu->isar.id_isar4 = 0x00011142;
190     cpu->isar.id_isar5 = 0x00011121;
191     cpu->isar.id_isar6 = 0;
192     cpu->isar.id_aa64pfr0 = 0x00002222;
193     cpu->id_aa64dfr0 = 0x10305106;
194     cpu->isar.id_aa64isar0 = 0x00011120;
195     cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
196     cpu->dbgdidr = 0x3516d000;
197     cpu->clidr = 0x0a200023;
198     cpu->ccsidr[0] = 0x700fe01a; /* 32KB L1 dcache */
199     cpu->ccsidr[1] = 0x201fe00a; /* 32KB L1 icache */
200     cpu->ccsidr[2] = 0x707fe07a; /* 1024KB L2 cache */
201     cpu->dcz_blocksize = 4; /* 64 bytes */
202     cpu->gic_num_lrs = 4;
203     cpu->gic_vpribits = 5;
204     cpu->gic_vprebits = 5;
205     define_arm_cp_regs(cpu, cortex_a72_a57_a53_cp_reginfo);
206 }
207 
208 static void aarch64_a72_initfn(Object *obj)
209 {
210     ARMCPU *cpu = ARM_CPU(obj);
211 
212     cpu->dtb_compatible = "arm,cortex-a72";
213     set_feature(&cpu->env, ARM_FEATURE_V8);
214     set_feature(&cpu->env, ARM_FEATURE_VFP4);
215     set_feature(&cpu->env, ARM_FEATURE_NEON);
216     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
217     set_feature(&cpu->env, ARM_FEATURE_AARCH64);
218     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
219     set_feature(&cpu->env, ARM_FEATURE_EL2);
220     set_feature(&cpu->env, ARM_FEATURE_EL3);
221     set_feature(&cpu->env, ARM_FEATURE_PMU);
222     cpu->midr = 0x410fd083;
223     cpu->revidr = 0x00000000;
224     cpu->reset_fpsid = 0x41034080;
225     cpu->isar.mvfr0 = 0x10110222;
226     cpu->isar.mvfr1 = 0x12111111;
227     cpu->isar.mvfr2 = 0x00000043;
228     cpu->ctr = 0x8444c004;
229     cpu->reset_sctlr = 0x00c50838;
230     cpu->id_pfr0 = 0x00000131;
231     cpu->id_pfr1 = 0x00011011;
232     cpu->id_dfr0 = 0x03010066;
233     cpu->id_afr0 = 0x00000000;
234     cpu->id_mmfr0 = 0x10201105;
235     cpu->id_mmfr1 = 0x40000000;
236     cpu->id_mmfr2 = 0x01260000;
237     cpu->id_mmfr3 = 0x02102211;
238     cpu->isar.id_isar0 = 0x02101110;
239     cpu->isar.id_isar1 = 0x13112111;
240     cpu->isar.id_isar2 = 0x21232042;
241     cpu->isar.id_isar3 = 0x01112131;
242     cpu->isar.id_isar4 = 0x00011142;
243     cpu->isar.id_isar5 = 0x00011121;
244     cpu->isar.id_aa64pfr0 = 0x00002222;
245     cpu->id_aa64dfr0 = 0x10305106;
246     cpu->isar.id_aa64isar0 = 0x00011120;
247     cpu->isar.id_aa64mmfr0 = 0x00001124;
248     cpu->dbgdidr = 0x3516d000;
249     cpu->clidr = 0x0a200023;
250     cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
251     cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
252     cpu->ccsidr[2] = 0x707fe07a; /* 1MB L2 cache */
253     cpu->dcz_blocksize = 4; /* 64 bytes */
254     cpu->gic_num_lrs = 4;
255     cpu->gic_vpribits = 5;
256     cpu->gic_vprebits = 5;
257     define_arm_cp_regs(cpu, cortex_a72_a57_a53_cp_reginfo);
258 }
259 
260 static void cpu_max_get_sve_vq(Object *obj, Visitor *v, const char *name,
261                                void *opaque, Error **errp)
262 {
263     ARMCPU *cpu = ARM_CPU(obj);
264     visit_type_uint32(v, name, &cpu->sve_max_vq, errp);
265 }
266 
267 static void cpu_max_set_sve_vq(Object *obj, Visitor *v, const char *name,
268                                void *opaque, Error **errp)
269 {
270     ARMCPU *cpu = ARM_CPU(obj);
271     Error *err = NULL;
272 
273     visit_type_uint32(v, name, &cpu->sve_max_vq, &err);
274 
275     if (!err && (cpu->sve_max_vq == 0 || cpu->sve_max_vq > ARM_MAX_VQ)) {
276         error_setg(&err, "unsupported SVE vector length");
277         error_append_hint(&err, "Valid sve-max-vq in range [1-%d]\n",
278                           ARM_MAX_VQ);
279     }
280     error_propagate(errp, err);
281 }
282 
283 /* -cpu max: if KVM is enabled, like -cpu host (best possible with this host);
284  * otherwise, a CPU with as many features enabled as our emulation supports.
285  * The version of '-cpu max' for qemu-system-arm is defined in cpu.c;
286  * this only needs to handle 64 bits.
287  */
288 static void aarch64_max_initfn(Object *obj)
289 {
290     ARMCPU *cpu = ARM_CPU(obj);
291 
292     if (kvm_enabled()) {
293         kvm_arm_set_cpu_features_from_host(cpu);
294     } else {
295         uint64_t t;
296         uint32_t u;
297         aarch64_a57_initfn(obj);
298 
299         t = cpu->isar.id_aa64isar0;
300         t = FIELD_DP64(t, ID_AA64ISAR0, AES, 2); /* AES + PMULL */
301         t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1);
302         t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* SHA512 */
303         t = FIELD_DP64(t, ID_AA64ISAR0, CRC32, 1);
304         t = FIELD_DP64(t, ID_AA64ISAR0, ATOMIC, 2);
305         t = FIELD_DP64(t, ID_AA64ISAR0, RDM, 1);
306         t = FIELD_DP64(t, ID_AA64ISAR0, SHA3, 1);
307         t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 1);
308         t = FIELD_DP64(t, ID_AA64ISAR0, SM4, 1);
309         t = FIELD_DP64(t, ID_AA64ISAR0, DP, 1);
310         t = FIELD_DP64(t, ID_AA64ISAR0, FHM, 1);
311         t = FIELD_DP64(t, ID_AA64ISAR0, TS, 2); /* v8.5-CondM */
312         t = FIELD_DP64(t, ID_AA64ISAR0, RNDR, 1);
313         cpu->isar.id_aa64isar0 = t;
314 
315         t = cpu->isar.id_aa64isar1;
316         t = FIELD_DP64(t, ID_AA64ISAR1, JSCVT, 1);
317         t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 1);
318         t = FIELD_DP64(t, ID_AA64ISAR1, APA, 1); /* PAuth, architected only */
319         t = FIELD_DP64(t, ID_AA64ISAR1, API, 0);
320         t = FIELD_DP64(t, ID_AA64ISAR1, GPA, 1);
321         t = FIELD_DP64(t, ID_AA64ISAR1, GPI, 0);
322         t = FIELD_DP64(t, ID_AA64ISAR1, SB, 1);
323         t = FIELD_DP64(t, ID_AA64ISAR1, SPECRES, 1);
324         t = FIELD_DP64(t, ID_AA64ISAR1, FRINTTS, 1);
325         cpu->isar.id_aa64isar1 = t;
326 
327         t = cpu->isar.id_aa64pfr0;
328         t = FIELD_DP64(t, ID_AA64PFR0, SVE, 1);
329         t = FIELD_DP64(t, ID_AA64PFR0, FP, 1);
330         t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 1);
331         cpu->isar.id_aa64pfr0 = t;
332 
333         t = cpu->isar.id_aa64pfr1;
334         t = FIELD_DP64(t, ID_AA64PFR1, BT, 1);
335         cpu->isar.id_aa64pfr1 = t;
336 
337         t = cpu->isar.id_aa64mmfr1;
338         t = FIELD_DP64(t, ID_AA64MMFR1, HPDS, 1); /* HPD */
339         t = FIELD_DP64(t, ID_AA64MMFR1, LO, 1);
340         cpu->isar.id_aa64mmfr1 = t;
341 
342         /* Replicate the same data to the 32-bit id registers.  */
343         u = cpu->isar.id_isar5;
344         u = FIELD_DP32(u, ID_ISAR5, AES, 2); /* AES + PMULL */
345         u = FIELD_DP32(u, ID_ISAR5, SHA1, 1);
346         u = FIELD_DP32(u, ID_ISAR5, SHA2, 1);
347         u = FIELD_DP32(u, ID_ISAR5, CRC32, 1);
348         u = FIELD_DP32(u, ID_ISAR5, RDM, 1);
349         u = FIELD_DP32(u, ID_ISAR5, VCMA, 1);
350         cpu->isar.id_isar5 = u;
351 
352         u = cpu->isar.id_isar6;
353         u = FIELD_DP32(u, ID_ISAR6, JSCVT, 1);
354         u = FIELD_DP32(u, ID_ISAR6, DP, 1);
355         u = FIELD_DP32(u, ID_ISAR6, FHM, 1);
356         u = FIELD_DP32(u, ID_ISAR6, SB, 1);
357         u = FIELD_DP32(u, ID_ISAR6, SPECRES, 1);
358         cpu->isar.id_isar6 = u;
359 
360         /*
361          * FIXME: We do not yet support ARMv8.2-fp16 for AArch32 yet,
362          * so do not set MVFR1.FPHP.  Strictly speaking this is not legal,
363          * but it is also not legal to enable SVE without support for FP16,
364          * and enabling SVE in system mode is more useful in the short term.
365          */
366 
367 #ifdef CONFIG_USER_ONLY
368         /* For usermode -cpu max we can use a larger and more efficient DCZ
369          * blocksize since we don't have to follow what the hardware does.
370          */
371         cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */
372         cpu->dcz_blocksize = 7; /*  512 bytes */
373 #endif
374 
375         cpu->sve_max_vq = ARM_MAX_VQ;
376         object_property_add(obj, "sve-max-vq", "uint32", cpu_max_get_sve_vq,
377                             cpu_max_set_sve_vq, NULL, NULL, &error_fatal);
378     }
379 }
380 
381 struct ARMCPUInfo {
382     const char *name;
383     void (*initfn)(Object *obj);
384     void (*class_init)(ObjectClass *oc, void *data);
385 };
386 
387 static const ARMCPUInfo aarch64_cpus[] = {
388     { .name = "cortex-a57",         .initfn = aarch64_a57_initfn },
389     { .name = "cortex-a53",         .initfn = aarch64_a53_initfn },
390     { .name = "cortex-a72",         .initfn = aarch64_a72_initfn },
391     { .name = "max",                .initfn = aarch64_max_initfn },
392     { .name = NULL }
393 };
394 
395 static bool aarch64_cpu_get_aarch64(Object *obj, Error **errp)
396 {
397     ARMCPU *cpu = ARM_CPU(obj);
398 
399     return arm_feature(&cpu->env, ARM_FEATURE_AARCH64);
400 }
401 
402 static void aarch64_cpu_set_aarch64(Object *obj, bool value, Error **errp)
403 {
404     ARMCPU *cpu = ARM_CPU(obj);
405 
406     /* At this time, this property is only allowed if KVM is enabled.  This
407      * restriction allows us to avoid fixing up functionality that assumes a
408      * uniform execution state like do_interrupt.
409      */
410     if (!kvm_enabled()) {
411         error_setg(errp, "'aarch64' feature cannot be disabled "
412                          "unless KVM is enabled");
413         return;
414     }
415 
416     if (value == false) {
417         unset_feature(&cpu->env, ARM_FEATURE_AARCH64);
418     } else {
419         set_feature(&cpu->env, ARM_FEATURE_AARCH64);
420     }
421 }
422 
423 static void aarch64_cpu_initfn(Object *obj)
424 {
425     object_property_add_bool(obj, "aarch64", aarch64_cpu_get_aarch64,
426                              aarch64_cpu_set_aarch64, NULL);
427     object_property_set_description(obj, "aarch64",
428                                     "Set on/off to enable/disable aarch64 "
429                                     "execution state ",
430                                     NULL);
431 }
432 
433 static void aarch64_cpu_finalizefn(Object *obj)
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->gdb_read_register = aarch64_cpu_gdb_read_register;
448     cc->gdb_write_register = aarch64_cpu_gdb_write_register;
449     cc->gdb_num_core_regs = 34;
450     cc->gdb_core_xml_file = "aarch64-core.xml";
451     cc->gdb_arch_name = aarch64_gdb_arch_name;
452 }
453 
454 static void aarch64_cpu_instance_init(Object *obj)
455 {
456     ARMCPUClass *acc = ARM_CPU_GET_CLASS(obj);
457 
458     acc->info->initfn(obj);
459     arm_cpu_post_init(obj);
460 }
461 
462 static void cpu_register_class_init(ObjectClass *oc, void *data)
463 {
464     ARMCPUClass *acc = ARM_CPU_CLASS(oc);
465 
466     acc->info = data;
467 }
468 
469 static void aarch64_cpu_register(const ARMCPUInfo *info)
470 {
471     TypeInfo type_info = {
472         .parent = TYPE_AARCH64_CPU,
473         .instance_size = sizeof(ARMCPU),
474         .instance_init = aarch64_cpu_instance_init,
475         .class_size = sizeof(ARMCPUClass),
476         .class_init = info->class_init ?: cpu_register_class_init,
477         .class_data = (void *)info,
478     };
479 
480     type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
481     type_register(&type_info);
482     g_free((void *)type_info.name);
483 }
484 
485 static const TypeInfo aarch64_cpu_type_info = {
486     .name = TYPE_AARCH64_CPU,
487     .parent = TYPE_ARM_CPU,
488     .instance_size = sizeof(ARMCPU),
489     .instance_init = aarch64_cpu_initfn,
490     .instance_finalize = aarch64_cpu_finalizefn,
491     .abstract = true,
492     .class_size = sizeof(AArch64CPUClass),
493     .class_init = aarch64_cpu_class_init,
494 };
495 
496 static void aarch64_cpu_register_types(void)
497 {
498     const ARMCPUInfo *info = aarch64_cpus;
499 
500     type_register_static(&aarch64_cpu_type_info);
501 
502     while (info->name) {
503         aarch64_cpu_register(info);
504         info++;
505     }
506 }
507 
508 type_init(aarch64_cpu_register_types)
509