XBZRLE: Fix qemu crash when resize the xbzrle cache
[qemu.git] / target-arm / cpu.c
blob1ce8a9bc38ac594f37c5521eb1216a5fa9c74b61
1 /*
2 * QEMU ARM CPU
4 * Copyright (c) 2012 SUSE LINUX Products GmbH
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.
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.
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>
21 #include "cpu.h"
22 #include "qemu-common.h"
23 #include "hw/qdev-properties.h"
24 #include "qapi/qmp/qerror.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"
32 static void arm_cpu_set_pc(CPUState *cs, vaddr value)
34 ARMCPU *cpu = ARM_CPU(cs);
36 cpu->env.regs[15] = value;
39 static void cp_reg_reset(gpointer key, gpointer value, gpointer opaque)
41 /* Reset a single ARMCPRegInfo register */
42 ARMCPRegInfo *ri = value;
43 ARMCPU *cpu = opaque;
45 if (ri->type & ARM_CP_SPECIAL) {
46 return;
49 if (ri->resetfn) {
50 ri->resetfn(&cpu->env, ri);
51 return;
54 /* A zero offset is never possible as it would be regs[0]
55 * so we use it to indicate that reset is being handled elsewhere.
56 * This is basically only used for fields in non-core coprocessors
57 * (like the pxa2xx ones).
59 if (!ri->fieldoffset) {
60 return;
63 if (cpreg_field_is_64bit(ri)) {
64 CPREG_FIELD64(&cpu->env, ri) = ri->resetvalue;
65 } else {
66 CPREG_FIELD32(&cpu->env, ri) = ri->resetvalue;
70 /* CPUClass::reset() */
71 static void arm_cpu_reset(CPUState *s)
73 ARMCPU *cpu = ARM_CPU(s);
74 ARMCPUClass *acc = ARM_CPU_GET_CLASS(cpu);
75 CPUARMState *env = &cpu->env;
77 acc->parent_reset(s);
79 memset(env, 0, offsetof(CPUARMState, breakpoints));
80 g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu);
81 env->vfp.xregs[ARM_VFP_FPSID] = cpu->reset_fpsid;
82 env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0;
83 env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1;
85 if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
86 env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q';
89 if (arm_feature(env, ARM_FEATURE_AARCH64)) {
90 /* 64 bit CPUs always start in 64 bit mode */
91 env->aarch64 = 1;
92 #if defined(CONFIG_USER_ONLY)
93 env->pstate = PSTATE_MODE_EL0t;
94 /* Userspace expects access to CTL_EL0 and the cache ops */
95 env->cp15.c1_sys |= SCTLR_UCT | SCTLR_UCI;
96 #else
97 env->pstate = PSTATE_MODE_EL1h;
98 #endif
101 #if defined(CONFIG_USER_ONLY)
102 env->uncached_cpsr = ARM_CPU_MODE_USR;
103 /* For user mode we must enable access to coprocessors */
104 env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30;
105 if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
106 env->cp15.c15_cpar = 3;
107 } else if (arm_feature(env, ARM_FEATURE_XSCALE)) {
108 env->cp15.c15_cpar = 1;
110 #else
111 /* SVC mode with interrupts disabled. */
112 env->uncached_cpsr = ARM_CPU_MODE_SVC;
113 env->daif = PSTATE_D | PSTATE_A | PSTATE_I | PSTATE_F;
114 /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is
115 clear at reset. Initial SP and PC are loaded from ROM. */
116 if (IS_M(env)) {
117 uint32_t pc;
118 uint8_t *rom;
119 env->daif &= ~PSTATE_I;
120 rom = rom_ptr(0);
121 if (rom) {
122 /* We should really use ldl_phys here, in case the guest
123 modified flash and reset itself. However images
124 loaded via -kernel have not been copied yet, so load the
125 values directly from there. */
126 env->regs[13] = ldl_p(rom) & 0xFFFFFFFC;
127 pc = ldl_p(rom + 4);
128 env->thumb = pc & 1;
129 env->regs[15] = pc & ~1;
133 if (env->cp15.c1_sys & SCTLR_V) {
134 env->regs[15] = 0xFFFF0000;
137 env->vfp.xregs[ARM_VFP_FPEXC] = 0;
138 #endif
139 set_flush_to_zero(1, &env->vfp.standard_fp_status);
140 set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status);
141 set_default_nan_mode(1, &env->vfp.standard_fp_status);
142 set_float_detect_tininess(float_tininess_before_rounding,
143 &env->vfp.fp_status);
144 set_float_detect_tininess(float_tininess_before_rounding,
145 &env->vfp.standard_fp_status);
146 tlb_flush(env, 1);
147 /* Reset is a state change for some CPUARMState fields which we
148 * bake assumptions about into translated code, so we need to
149 * tb_flush().
151 tb_flush(env);
154 #ifndef CONFIG_USER_ONLY
155 static void arm_cpu_set_irq(void *opaque, int irq, int level)
157 ARMCPU *cpu = opaque;
158 CPUState *cs = CPU(cpu);
160 switch (irq) {
161 case ARM_CPU_IRQ:
162 if (level) {
163 cpu_interrupt(cs, CPU_INTERRUPT_HARD);
164 } else {
165 cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
167 break;
168 case ARM_CPU_FIQ:
169 if (level) {
170 cpu_interrupt(cs, CPU_INTERRUPT_FIQ);
171 } else {
172 cpu_reset_interrupt(cs, CPU_INTERRUPT_FIQ);
174 break;
175 default:
176 hw_error("arm_cpu_set_irq: Bad interrupt line %d\n", irq);
180 static void arm_cpu_kvm_set_irq(void *opaque, int irq, int level)
182 #ifdef CONFIG_KVM
183 ARMCPU *cpu = opaque;
184 CPUState *cs = CPU(cpu);
185 int kvm_irq = KVM_ARM_IRQ_TYPE_CPU << KVM_ARM_IRQ_TYPE_SHIFT;
187 switch (irq) {
188 case ARM_CPU_IRQ:
189 kvm_irq |= KVM_ARM_IRQ_CPU_IRQ;
190 break;
191 case ARM_CPU_FIQ:
192 kvm_irq |= KVM_ARM_IRQ_CPU_FIQ;
193 break;
194 default:
195 hw_error("arm_cpu_kvm_set_irq: Bad interrupt line %d\n", irq);
197 kvm_irq |= cs->cpu_index << KVM_ARM_IRQ_VCPU_SHIFT;
198 kvm_set_irq(kvm_state, kvm_irq, level ? 1 : 0);
199 #endif
201 #endif
203 static inline void set_feature(CPUARMState *env, int feature)
205 env->features |= 1ULL << feature;
208 static void arm_cpu_initfn(Object *obj)
210 CPUState *cs = CPU(obj);
211 ARMCPU *cpu = ARM_CPU(obj);
212 static bool inited;
214 cs->env_ptr = &cpu->env;
215 cpu_exec_init(&cpu->env);
216 cpu->cp_regs = g_hash_table_new_full(g_int_hash, g_int_equal,
217 g_free, g_free);
219 #ifndef CONFIG_USER_ONLY
220 /* Our inbound IRQ and FIQ lines */
221 if (kvm_enabled()) {
222 qdev_init_gpio_in(DEVICE(cpu), arm_cpu_kvm_set_irq, 2);
223 } else {
224 qdev_init_gpio_in(DEVICE(cpu), arm_cpu_set_irq, 2);
227 cpu->gt_timer[GTIMER_PHYS] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
228 arm_gt_ptimer_cb, cpu);
229 cpu->gt_timer[GTIMER_VIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
230 arm_gt_vtimer_cb, cpu);
231 qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs,
232 ARRAY_SIZE(cpu->gt_timer_outputs));
233 #endif
235 /* DTB consumers generally don't in fact care what the 'compatible'
236 * string is, so always provide some string and trust that a hypothetical
237 * picky DTB consumer will also provide a helpful error message.
239 cpu->dtb_compatible = "qemu,unknown";
240 cpu->kvm_target = QEMU_KVM_ARM_TARGET_NONE;
242 if (tcg_enabled() && !inited) {
243 inited = true;
244 arm_translate_init();
248 static Property arm_cpu_reset_cbar_property =
249 DEFINE_PROP_UINT32("reset-cbar", ARMCPU, reset_cbar, 0);
251 static Property arm_cpu_reset_hivecs_property =
252 DEFINE_PROP_BOOL("reset-hivecs", ARMCPU, reset_hivecs, false);
254 static void arm_cpu_post_init(Object *obj)
256 ARMCPU *cpu = ARM_CPU(obj);
258 if (arm_feature(&cpu->env, ARM_FEATURE_CBAR)) {
259 qdev_property_add_static(DEVICE(obj), &arm_cpu_reset_cbar_property,
260 &error_abort);
263 if (!arm_feature(&cpu->env, ARM_FEATURE_M)) {
264 qdev_property_add_static(DEVICE(obj), &arm_cpu_reset_hivecs_property,
265 &error_abort);
269 static void arm_cpu_finalizefn(Object *obj)
271 ARMCPU *cpu = ARM_CPU(obj);
272 g_hash_table_destroy(cpu->cp_regs);
275 static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
277 CPUState *cs = CPU(dev);
278 ARMCPU *cpu = ARM_CPU(dev);
279 ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev);
280 CPUARMState *env = &cpu->env;
282 /* Some features automatically imply others: */
283 if (arm_feature(env, ARM_FEATURE_V8)) {
284 set_feature(env, ARM_FEATURE_V7);
285 set_feature(env, ARM_FEATURE_ARM_DIV);
286 set_feature(env, ARM_FEATURE_LPAE);
287 set_feature(env, ARM_FEATURE_V8_AES);
289 if (arm_feature(env, ARM_FEATURE_V7)) {
290 set_feature(env, ARM_FEATURE_VAPA);
291 set_feature(env, ARM_FEATURE_THUMB2);
292 set_feature(env, ARM_FEATURE_MPIDR);
293 if (!arm_feature(env, ARM_FEATURE_M)) {
294 set_feature(env, ARM_FEATURE_V6K);
295 } else {
296 set_feature(env, ARM_FEATURE_V6);
299 if (arm_feature(env, ARM_FEATURE_V6K)) {
300 set_feature(env, ARM_FEATURE_V6);
301 set_feature(env, ARM_FEATURE_MVFR);
303 if (arm_feature(env, ARM_FEATURE_V6)) {
304 set_feature(env, ARM_FEATURE_V5);
305 if (!arm_feature(env, ARM_FEATURE_M)) {
306 set_feature(env, ARM_FEATURE_AUXCR);
309 if (arm_feature(env, ARM_FEATURE_V5)) {
310 set_feature(env, ARM_FEATURE_V4T);
312 if (arm_feature(env, ARM_FEATURE_M)) {
313 set_feature(env, ARM_FEATURE_THUMB_DIV);
315 if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
316 set_feature(env, ARM_FEATURE_THUMB_DIV);
318 if (arm_feature(env, ARM_FEATURE_VFP4)) {
319 set_feature(env, ARM_FEATURE_VFP3);
321 if (arm_feature(env, ARM_FEATURE_VFP3)) {
322 set_feature(env, ARM_FEATURE_VFP);
324 if (arm_feature(env, ARM_FEATURE_LPAE)) {
325 set_feature(env, ARM_FEATURE_V7MP);
326 set_feature(env, ARM_FEATURE_PXN);
329 if (cpu->reset_hivecs) {
330 cpu->reset_sctlr |= (1 << 13);
333 register_cp_regs_for_features(cpu);
334 arm_cpu_register_gdb_regs_for_features(cpu);
336 init_cpreg_list(cpu);
338 cpu_reset(cs);
339 qemu_init_vcpu(cs);
341 acc->parent_realize(dev, errp);
344 static ObjectClass *arm_cpu_class_by_name(const char *cpu_model)
346 ObjectClass *oc;
347 char *typename;
349 if (!cpu_model) {
350 return NULL;
353 typename = g_strdup_printf("%s-" TYPE_ARM_CPU, cpu_model);
354 oc = object_class_by_name(typename);
355 g_free(typename);
356 if (!oc || !object_class_dynamic_cast(oc, TYPE_ARM_CPU) ||
357 object_class_is_abstract(oc)) {
358 return NULL;
360 return oc;
363 /* CPU models. These are not needed for the AArch64 linux-user build. */
364 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
366 static void arm926_initfn(Object *obj)
368 ARMCPU *cpu = ARM_CPU(obj);
370 cpu->dtb_compatible = "arm,arm926";
371 set_feature(&cpu->env, ARM_FEATURE_V5);
372 set_feature(&cpu->env, ARM_FEATURE_VFP);
373 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
374 set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
375 cpu->midr = 0x41069265;
376 cpu->reset_fpsid = 0x41011090;
377 cpu->ctr = 0x1dd20d2;
378 cpu->reset_sctlr = 0x00090078;
381 static void arm946_initfn(Object *obj)
383 ARMCPU *cpu = ARM_CPU(obj);
385 cpu->dtb_compatible = "arm,arm946";
386 set_feature(&cpu->env, ARM_FEATURE_V5);
387 set_feature(&cpu->env, ARM_FEATURE_MPU);
388 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
389 cpu->midr = 0x41059461;
390 cpu->ctr = 0x0f004006;
391 cpu->reset_sctlr = 0x00000078;
394 static void arm1026_initfn(Object *obj)
396 ARMCPU *cpu = ARM_CPU(obj);
398 cpu->dtb_compatible = "arm,arm1026";
399 set_feature(&cpu->env, ARM_FEATURE_V5);
400 set_feature(&cpu->env, ARM_FEATURE_VFP);
401 set_feature(&cpu->env, ARM_FEATURE_AUXCR);
402 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
403 set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
404 cpu->midr = 0x4106a262;
405 cpu->reset_fpsid = 0x410110a0;
406 cpu->ctr = 0x1dd20d2;
407 cpu->reset_sctlr = 0x00090078;
408 cpu->reset_auxcr = 1;
410 /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
411 ARMCPRegInfo ifar = {
412 .name = "IFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 1,
413 .access = PL1_RW,
414 .fieldoffset = offsetof(CPUARMState, cp15.c6_insn),
415 .resetvalue = 0
417 define_one_arm_cp_reg(cpu, &ifar);
421 static void arm1136_r2_initfn(Object *obj)
423 ARMCPU *cpu = ARM_CPU(obj);
424 /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
425 * older core than plain "arm1136". In particular this does not
426 * have the v6K features.
427 * These ID register values are correct for 1136 but may be wrong
428 * for 1136_r2 (in particular r0p2 does not actually implement most
429 * of the ID registers).
432 cpu->dtb_compatible = "arm,arm1136";
433 set_feature(&cpu->env, ARM_FEATURE_V6);
434 set_feature(&cpu->env, ARM_FEATURE_VFP);
435 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
436 set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
437 set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
438 cpu->midr = 0x4107b362;
439 cpu->reset_fpsid = 0x410120b4;
440 cpu->mvfr0 = 0x11111111;
441 cpu->mvfr1 = 0x00000000;
442 cpu->ctr = 0x1dd20d2;
443 cpu->reset_sctlr = 0x00050078;
444 cpu->id_pfr0 = 0x111;
445 cpu->id_pfr1 = 0x1;
446 cpu->id_dfr0 = 0x2;
447 cpu->id_afr0 = 0x3;
448 cpu->id_mmfr0 = 0x01130003;
449 cpu->id_mmfr1 = 0x10030302;
450 cpu->id_mmfr2 = 0x01222110;
451 cpu->id_isar0 = 0x00140011;
452 cpu->id_isar1 = 0x12002111;
453 cpu->id_isar2 = 0x11231111;
454 cpu->id_isar3 = 0x01102131;
455 cpu->id_isar4 = 0x141;
456 cpu->reset_auxcr = 7;
459 static void arm1136_initfn(Object *obj)
461 ARMCPU *cpu = ARM_CPU(obj);
463 cpu->dtb_compatible = "arm,arm1136";
464 set_feature(&cpu->env, ARM_FEATURE_V6K);
465 set_feature(&cpu->env, ARM_FEATURE_V6);
466 set_feature(&cpu->env, ARM_FEATURE_VFP);
467 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
468 set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
469 set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
470 cpu->midr = 0x4117b363;
471 cpu->reset_fpsid = 0x410120b4;
472 cpu->mvfr0 = 0x11111111;
473 cpu->mvfr1 = 0x00000000;
474 cpu->ctr = 0x1dd20d2;
475 cpu->reset_sctlr = 0x00050078;
476 cpu->id_pfr0 = 0x111;
477 cpu->id_pfr1 = 0x1;
478 cpu->id_dfr0 = 0x2;
479 cpu->id_afr0 = 0x3;
480 cpu->id_mmfr0 = 0x01130003;
481 cpu->id_mmfr1 = 0x10030302;
482 cpu->id_mmfr2 = 0x01222110;
483 cpu->id_isar0 = 0x00140011;
484 cpu->id_isar1 = 0x12002111;
485 cpu->id_isar2 = 0x11231111;
486 cpu->id_isar3 = 0x01102131;
487 cpu->id_isar4 = 0x141;
488 cpu->reset_auxcr = 7;
491 static void arm1176_initfn(Object *obj)
493 ARMCPU *cpu = ARM_CPU(obj);
495 cpu->dtb_compatible = "arm,arm1176";
496 set_feature(&cpu->env, ARM_FEATURE_V6K);
497 set_feature(&cpu->env, ARM_FEATURE_VFP);
498 set_feature(&cpu->env, ARM_FEATURE_VAPA);
499 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
500 set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
501 set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
502 cpu->midr = 0x410fb767;
503 cpu->reset_fpsid = 0x410120b5;
504 cpu->mvfr0 = 0x11111111;
505 cpu->mvfr1 = 0x00000000;
506 cpu->ctr = 0x1dd20d2;
507 cpu->reset_sctlr = 0x00050078;
508 cpu->id_pfr0 = 0x111;
509 cpu->id_pfr1 = 0x11;
510 cpu->id_dfr0 = 0x33;
511 cpu->id_afr0 = 0;
512 cpu->id_mmfr0 = 0x01130003;
513 cpu->id_mmfr1 = 0x10030302;
514 cpu->id_mmfr2 = 0x01222100;
515 cpu->id_isar0 = 0x0140011;
516 cpu->id_isar1 = 0x12002111;
517 cpu->id_isar2 = 0x11231121;
518 cpu->id_isar3 = 0x01102131;
519 cpu->id_isar4 = 0x01141;
520 cpu->reset_auxcr = 7;
523 static void arm11mpcore_initfn(Object *obj)
525 ARMCPU *cpu = ARM_CPU(obj);
527 cpu->dtb_compatible = "arm,arm11mpcore";
528 set_feature(&cpu->env, ARM_FEATURE_V6K);
529 set_feature(&cpu->env, ARM_FEATURE_VFP);
530 set_feature(&cpu->env, ARM_FEATURE_VAPA);
531 set_feature(&cpu->env, ARM_FEATURE_MPIDR);
532 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
533 cpu->midr = 0x410fb022;
534 cpu->reset_fpsid = 0x410120b4;
535 cpu->mvfr0 = 0x11111111;
536 cpu->mvfr1 = 0x00000000;
537 cpu->ctr = 0x1d192992; /* 32K icache 32K dcache */
538 cpu->id_pfr0 = 0x111;
539 cpu->id_pfr1 = 0x1;
540 cpu->id_dfr0 = 0;
541 cpu->id_afr0 = 0x2;
542 cpu->id_mmfr0 = 0x01100103;
543 cpu->id_mmfr1 = 0x10020302;
544 cpu->id_mmfr2 = 0x01222000;
545 cpu->id_isar0 = 0x00100011;
546 cpu->id_isar1 = 0x12002111;
547 cpu->id_isar2 = 0x11221011;
548 cpu->id_isar3 = 0x01102131;
549 cpu->id_isar4 = 0x141;
550 cpu->reset_auxcr = 1;
553 static void cortex_m3_initfn(Object *obj)
555 ARMCPU *cpu = ARM_CPU(obj);
556 set_feature(&cpu->env, ARM_FEATURE_V7);
557 set_feature(&cpu->env, ARM_FEATURE_M);
558 cpu->midr = 0x410fc231;
561 static void arm_v7m_class_init(ObjectClass *oc, void *data)
563 #ifndef CONFIG_USER_ONLY
564 CPUClass *cc = CPU_CLASS(oc);
566 cc->do_interrupt = arm_v7m_cpu_do_interrupt;
567 #endif
570 static const ARMCPRegInfo cortexa8_cp_reginfo[] = {
571 { .name = "L2LOCKDOWN", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 0,
572 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
573 { .name = "L2AUXCR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
574 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
575 REGINFO_SENTINEL
578 static void cortex_a8_initfn(Object *obj)
580 ARMCPU *cpu = ARM_CPU(obj);
582 cpu->dtb_compatible = "arm,cortex-a8";
583 set_feature(&cpu->env, ARM_FEATURE_V7);
584 set_feature(&cpu->env, ARM_FEATURE_VFP3);
585 set_feature(&cpu->env, ARM_FEATURE_NEON);
586 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
587 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
588 cpu->midr = 0x410fc080;
589 cpu->reset_fpsid = 0x410330c0;
590 cpu->mvfr0 = 0x11110222;
591 cpu->mvfr1 = 0x00011100;
592 cpu->ctr = 0x82048004;
593 cpu->reset_sctlr = 0x00c50078;
594 cpu->id_pfr0 = 0x1031;
595 cpu->id_pfr1 = 0x11;
596 cpu->id_dfr0 = 0x400;
597 cpu->id_afr0 = 0;
598 cpu->id_mmfr0 = 0x31100003;
599 cpu->id_mmfr1 = 0x20000000;
600 cpu->id_mmfr2 = 0x01202000;
601 cpu->id_mmfr3 = 0x11;
602 cpu->id_isar0 = 0x00101111;
603 cpu->id_isar1 = 0x12112111;
604 cpu->id_isar2 = 0x21232031;
605 cpu->id_isar3 = 0x11112131;
606 cpu->id_isar4 = 0x00111142;
607 cpu->clidr = (1 << 27) | (2 << 24) | 3;
608 cpu->ccsidr[0] = 0xe007e01a; /* 16k L1 dcache. */
609 cpu->ccsidr[1] = 0x2007e01a; /* 16k L1 icache. */
610 cpu->ccsidr[2] = 0xf0000000; /* No L2 icache. */
611 cpu->reset_auxcr = 2;
612 define_arm_cp_regs(cpu, cortexa8_cp_reginfo);
615 static const ARMCPRegInfo cortexa9_cp_reginfo[] = {
616 /* power_control should be set to maximum latency. Again,
617 * default to 0 and set by private hook
619 { .name = "A9_PWRCTL", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 0,
620 .access = PL1_RW, .resetvalue = 0,
621 .fieldoffset = offsetof(CPUARMState, cp15.c15_power_control) },
622 { .name = "A9_DIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 1,
623 .access = PL1_RW, .resetvalue = 0,
624 .fieldoffset = offsetof(CPUARMState, cp15.c15_diagnostic) },
625 { .name = "A9_PWRDIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 2,
626 .access = PL1_RW, .resetvalue = 0,
627 .fieldoffset = offsetof(CPUARMState, cp15.c15_power_diagnostic) },
628 { .name = "NEONBUSY", .cp = 15, .crn = 15, .crm = 1, .opc1 = 0, .opc2 = 0,
629 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
630 /* TLB lockdown control */
631 { .name = "TLB_LOCKR", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 2,
632 .access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
633 { .name = "TLB_LOCKW", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 4,
634 .access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
635 { .name = "TLB_VA", .cp = 15, .crn = 15, .crm = 5, .opc1 = 5, .opc2 = 2,
636 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
637 { .name = "TLB_PA", .cp = 15, .crn = 15, .crm = 6, .opc1 = 5, .opc2 = 2,
638 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
639 { .name = "TLB_ATTR", .cp = 15, .crn = 15, .crm = 7, .opc1 = 5, .opc2 = 2,
640 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
641 REGINFO_SENTINEL
644 static void cortex_a9_initfn(Object *obj)
646 ARMCPU *cpu = ARM_CPU(obj);
648 cpu->dtb_compatible = "arm,cortex-a9";
649 set_feature(&cpu->env, ARM_FEATURE_V7);
650 set_feature(&cpu->env, ARM_FEATURE_VFP3);
651 set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
652 set_feature(&cpu->env, ARM_FEATURE_NEON);
653 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
654 /* Note that A9 supports the MP extensions even for
655 * A9UP and single-core A9MP (which are both different
656 * and valid configurations; we don't model A9UP).
658 set_feature(&cpu->env, ARM_FEATURE_V7MP);
659 set_feature(&cpu->env, ARM_FEATURE_CBAR);
660 cpu->midr = 0x410fc090;
661 cpu->reset_fpsid = 0x41033090;
662 cpu->mvfr0 = 0x11110222;
663 cpu->mvfr1 = 0x01111111;
664 cpu->ctr = 0x80038003;
665 cpu->reset_sctlr = 0x00c50078;
666 cpu->id_pfr0 = 0x1031;
667 cpu->id_pfr1 = 0x11;
668 cpu->id_dfr0 = 0x000;
669 cpu->id_afr0 = 0;
670 cpu->id_mmfr0 = 0x00100103;
671 cpu->id_mmfr1 = 0x20000000;
672 cpu->id_mmfr2 = 0x01230000;
673 cpu->id_mmfr3 = 0x00002111;
674 cpu->id_isar0 = 0x00101111;
675 cpu->id_isar1 = 0x13112111;
676 cpu->id_isar2 = 0x21232041;
677 cpu->id_isar3 = 0x11112131;
678 cpu->id_isar4 = 0x00111142;
679 cpu->clidr = (1 << 27) | (1 << 24) | 3;
680 cpu->ccsidr[0] = 0xe00fe015; /* 16k L1 dcache. */
681 cpu->ccsidr[1] = 0x200fe015; /* 16k L1 icache. */
682 define_arm_cp_regs(cpu, cortexa9_cp_reginfo);
685 #ifndef CONFIG_USER_ONLY
686 static uint64_t a15_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri)
688 /* Linux wants the number of processors from here.
689 * Might as well set the interrupt-controller bit too.
691 return ((smp_cpus - 1) << 24) | (1 << 23);
693 #endif
695 static const ARMCPRegInfo cortexa15_cp_reginfo[] = {
696 #ifndef CONFIG_USER_ONLY
697 { .name = "L2CTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
698 .access = PL1_RW, .resetvalue = 0, .readfn = a15_l2ctlr_read,
699 .writefn = arm_cp_write_ignore, },
700 #endif
701 { .name = "L2ECTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 3,
702 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
703 REGINFO_SENTINEL
706 static void cortex_a15_initfn(Object *obj)
708 ARMCPU *cpu = ARM_CPU(obj);
710 cpu->dtb_compatible = "arm,cortex-a15";
711 set_feature(&cpu->env, ARM_FEATURE_V7);
712 set_feature(&cpu->env, ARM_FEATURE_VFP4);
713 set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
714 set_feature(&cpu->env, ARM_FEATURE_NEON);
715 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
716 set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
717 set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
718 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
719 set_feature(&cpu->env, ARM_FEATURE_CBAR);
720 set_feature(&cpu->env, ARM_FEATURE_LPAE);
721 cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A15;
722 cpu->midr = 0x412fc0f1;
723 cpu->reset_fpsid = 0x410430f0;
724 cpu->mvfr0 = 0x10110222;
725 cpu->mvfr1 = 0x11111111;
726 cpu->ctr = 0x8444c004;
727 cpu->reset_sctlr = 0x00c50078;
728 cpu->id_pfr0 = 0x00001131;
729 cpu->id_pfr1 = 0x00011011;
730 cpu->id_dfr0 = 0x02010555;
731 cpu->id_afr0 = 0x00000000;
732 cpu->id_mmfr0 = 0x10201105;
733 cpu->id_mmfr1 = 0x20000000;
734 cpu->id_mmfr2 = 0x01240000;
735 cpu->id_mmfr3 = 0x02102211;
736 cpu->id_isar0 = 0x02101110;
737 cpu->id_isar1 = 0x13112111;
738 cpu->id_isar2 = 0x21232041;
739 cpu->id_isar3 = 0x11112131;
740 cpu->id_isar4 = 0x10011142;
741 cpu->clidr = 0x0a200023;
742 cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */
743 cpu->ccsidr[1] = 0x201fe00a; /* 32K L1 icache */
744 cpu->ccsidr[2] = 0x711fe07a; /* 4096K L2 unified cache */
745 define_arm_cp_regs(cpu, cortexa15_cp_reginfo);
748 static void ti925t_initfn(Object *obj)
750 ARMCPU *cpu = ARM_CPU(obj);
751 set_feature(&cpu->env, ARM_FEATURE_V4T);
752 set_feature(&cpu->env, ARM_FEATURE_OMAPCP);
753 cpu->midr = ARM_CPUID_TI925T;
754 cpu->ctr = 0x5109149;
755 cpu->reset_sctlr = 0x00000070;
758 static void sa1100_initfn(Object *obj)
760 ARMCPU *cpu = ARM_CPU(obj);
762 cpu->dtb_compatible = "intel,sa1100";
763 set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
764 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
765 cpu->midr = 0x4401A11B;
766 cpu->reset_sctlr = 0x00000070;
769 static void sa1110_initfn(Object *obj)
771 ARMCPU *cpu = ARM_CPU(obj);
772 set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
773 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
774 cpu->midr = 0x6901B119;
775 cpu->reset_sctlr = 0x00000070;
778 static void pxa250_initfn(Object *obj)
780 ARMCPU *cpu = ARM_CPU(obj);
782 cpu->dtb_compatible = "marvell,xscale";
783 set_feature(&cpu->env, ARM_FEATURE_V5);
784 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
785 cpu->midr = 0x69052100;
786 cpu->ctr = 0xd172172;
787 cpu->reset_sctlr = 0x00000078;
790 static void pxa255_initfn(Object *obj)
792 ARMCPU *cpu = ARM_CPU(obj);
794 cpu->dtb_compatible = "marvell,xscale";
795 set_feature(&cpu->env, ARM_FEATURE_V5);
796 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
797 cpu->midr = 0x69052d00;
798 cpu->ctr = 0xd172172;
799 cpu->reset_sctlr = 0x00000078;
802 static void pxa260_initfn(Object *obj)
804 ARMCPU *cpu = ARM_CPU(obj);
806 cpu->dtb_compatible = "marvell,xscale";
807 set_feature(&cpu->env, ARM_FEATURE_V5);
808 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
809 cpu->midr = 0x69052903;
810 cpu->ctr = 0xd172172;
811 cpu->reset_sctlr = 0x00000078;
814 static void pxa261_initfn(Object *obj)
816 ARMCPU *cpu = ARM_CPU(obj);
818 cpu->dtb_compatible = "marvell,xscale";
819 set_feature(&cpu->env, ARM_FEATURE_V5);
820 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
821 cpu->midr = 0x69052d05;
822 cpu->ctr = 0xd172172;
823 cpu->reset_sctlr = 0x00000078;
826 static void pxa262_initfn(Object *obj)
828 ARMCPU *cpu = ARM_CPU(obj);
830 cpu->dtb_compatible = "marvell,xscale";
831 set_feature(&cpu->env, ARM_FEATURE_V5);
832 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
833 cpu->midr = 0x69052d06;
834 cpu->ctr = 0xd172172;
835 cpu->reset_sctlr = 0x00000078;
838 static void pxa270a0_initfn(Object *obj)
840 ARMCPU *cpu = ARM_CPU(obj);
842 cpu->dtb_compatible = "marvell,xscale";
843 set_feature(&cpu->env, ARM_FEATURE_V5);
844 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
845 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
846 cpu->midr = 0x69054110;
847 cpu->ctr = 0xd172172;
848 cpu->reset_sctlr = 0x00000078;
851 static void pxa270a1_initfn(Object *obj)
853 ARMCPU *cpu = ARM_CPU(obj);
855 cpu->dtb_compatible = "marvell,xscale";
856 set_feature(&cpu->env, ARM_FEATURE_V5);
857 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
858 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
859 cpu->midr = 0x69054111;
860 cpu->ctr = 0xd172172;
861 cpu->reset_sctlr = 0x00000078;
864 static void pxa270b0_initfn(Object *obj)
866 ARMCPU *cpu = ARM_CPU(obj);
868 cpu->dtb_compatible = "marvell,xscale";
869 set_feature(&cpu->env, ARM_FEATURE_V5);
870 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
871 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
872 cpu->midr = 0x69054112;
873 cpu->ctr = 0xd172172;
874 cpu->reset_sctlr = 0x00000078;
877 static void pxa270b1_initfn(Object *obj)
879 ARMCPU *cpu = ARM_CPU(obj);
881 cpu->dtb_compatible = "marvell,xscale";
882 set_feature(&cpu->env, ARM_FEATURE_V5);
883 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
884 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
885 cpu->midr = 0x69054113;
886 cpu->ctr = 0xd172172;
887 cpu->reset_sctlr = 0x00000078;
890 static void pxa270c0_initfn(Object *obj)
892 ARMCPU *cpu = ARM_CPU(obj);
894 cpu->dtb_compatible = "marvell,xscale";
895 set_feature(&cpu->env, ARM_FEATURE_V5);
896 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
897 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
898 cpu->midr = 0x69054114;
899 cpu->ctr = 0xd172172;
900 cpu->reset_sctlr = 0x00000078;
903 static void pxa270c5_initfn(Object *obj)
905 ARMCPU *cpu = ARM_CPU(obj);
907 cpu->dtb_compatible = "marvell,xscale";
908 set_feature(&cpu->env, ARM_FEATURE_V5);
909 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
910 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
911 cpu->midr = 0x69054117;
912 cpu->ctr = 0xd172172;
913 cpu->reset_sctlr = 0x00000078;
916 #ifdef CONFIG_USER_ONLY
917 static void arm_any_initfn(Object *obj)
919 ARMCPU *cpu = ARM_CPU(obj);
920 set_feature(&cpu->env, ARM_FEATURE_V8);
921 set_feature(&cpu->env, ARM_FEATURE_VFP4);
922 set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
923 set_feature(&cpu->env, ARM_FEATURE_NEON);
924 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
925 set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
926 set_feature(&cpu->env, ARM_FEATURE_V7MP);
927 set_feature(&cpu->env, ARM_FEATURE_CRC);
928 #ifdef TARGET_AARCH64
929 set_feature(&cpu->env, ARM_FEATURE_AARCH64);
930 #endif
931 cpu->midr = 0xffffffff;
933 #endif
935 #endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */
937 typedef struct ARMCPUInfo {
938 const char *name;
939 void (*initfn)(Object *obj);
940 void (*class_init)(ObjectClass *oc, void *data);
941 } ARMCPUInfo;
943 static const ARMCPUInfo arm_cpus[] = {
944 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
945 { .name = "arm926", .initfn = arm926_initfn },
946 { .name = "arm946", .initfn = arm946_initfn },
947 { .name = "arm1026", .initfn = arm1026_initfn },
948 /* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
949 * older core than plain "arm1136". In particular this does not
950 * have the v6K features.
952 { .name = "arm1136-r2", .initfn = arm1136_r2_initfn },
953 { .name = "arm1136", .initfn = arm1136_initfn },
954 { .name = "arm1176", .initfn = arm1176_initfn },
955 { .name = "arm11mpcore", .initfn = arm11mpcore_initfn },
956 { .name = "cortex-m3", .initfn = cortex_m3_initfn,
957 .class_init = arm_v7m_class_init },
958 { .name = "cortex-a8", .initfn = cortex_a8_initfn },
959 { .name = "cortex-a9", .initfn = cortex_a9_initfn },
960 { .name = "cortex-a15", .initfn = cortex_a15_initfn },
961 { .name = "ti925t", .initfn = ti925t_initfn },
962 { .name = "sa1100", .initfn = sa1100_initfn },
963 { .name = "sa1110", .initfn = sa1110_initfn },
964 { .name = "pxa250", .initfn = pxa250_initfn },
965 { .name = "pxa255", .initfn = pxa255_initfn },
966 { .name = "pxa260", .initfn = pxa260_initfn },
967 { .name = "pxa261", .initfn = pxa261_initfn },
968 { .name = "pxa262", .initfn = pxa262_initfn },
969 /* "pxa270" is an alias for "pxa270-a0" */
970 { .name = "pxa270", .initfn = pxa270a0_initfn },
971 { .name = "pxa270-a0", .initfn = pxa270a0_initfn },
972 { .name = "pxa270-a1", .initfn = pxa270a1_initfn },
973 { .name = "pxa270-b0", .initfn = pxa270b0_initfn },
974 { .name = "pxa270-b1", .initfn = pxa270b1_initfn },
975 { .name = "pxa270-c0", .initfn = pxa270c0_initfn },
976 { .name = "pxa270-c5", .initfn = pxa270c5_initfn },
977 #ifdef CONFIG_USER_ONLY
978 { .name = "any", .initfn = arm_any_initfn },
979 #endif
980 #endif
981 { .name = NULL }
984 static Property arm_cpu_properties[] = {
985 DEFINE_PROP_BOOL("start-powered-off", ARMCPU, start_powered_off, false),
986 DEFINE_PROP_UINT32("midr", ARMCPU, midr, 0),
987 DEFINE_PROP_END_OF_LIST()
990 static void arm_cpu_class_init(ObjectClass *oc, void *data)
992 ARMCPUClass *acc = ARM_CPU_CLASS(oc);
993 CPUClass *cc = CPU_CLASS(acc);
994 DeviceClass *dc = DEVICE_CLASS(oc);
996 acc->parent_realize = dc->realize;
997 dc->realize = arm_cpu_realizefn;
998 dc->props = arm_cpu_properties;
1000 acc->parent_reset = cc->reset;
1001 cc->reset = arm_cpu_reset;
1003 cc->class_by_name = arm_cpu_class_by_name;
1004 cc->do_interrupt = arm_cpu_do_interrupt;
1005 cc->dump_state = arm_cpu_dump_state;
1006 cc->set_pc = arm_cpu_set_pc;
1007 cc->gdb_read_register = arm_cpu_gdb_read_register;
1008 cc->gdb_write_register = arm_cpu_gdb_write_register;
1009 #ifndef CONFIG_USER_ONLY
1010 cc->get_phys_page_debug = arm_cpu_get_phys_page_debug;
1011 cc->vmsd = &vmstate_arm_cpu;
1012 #endif
1013 cc->gdb_num_core_regs = 26;
1014 cc->gdb_core_xml_file = "arm-core.xml";
1017 static void cpu_register(const ARMCPUInfo *info)
1019 TypeInfo type_info = {
1020 .parent = TYPE_ARM_CPU,
1021 .instance_size = sizeof(ARMCPU),
1022 .instance_init = info->initfn,
1023 .class_size = sizeof(ARMCPUClass),
1024 .class_init = info->class_init,
1027 type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
1028 type_register(&type_info);
1029 g_free((void *)type_info.name);
1032 static const TypeInfo arm_cpu_type_info = {
1033 .name = TYPE_ARM_CPU,
1034 .parent = TYPE_CPU,
1035 .instance_size = sizeof(ARMCPU),
1036 .instance_init = arm_cpu_initfn,
1037 .instance_post_init = arm_cpu_post_init,
1038 .instance_finalize = arm_cpu_finalizefn,
1039 .abstract = true,
1040 .class_size = sizeof(ARMCPUClass),
1041 .class_init = arm_cpu_class_init,
1044 static void arm_cpu_register_types(void)
1046 const ARMCPUInfo *info = arm_cpus;
1048 type_register_static(&arm_cpu_type_info);
1050 while (info->name) {
1051 cpu_register(info);
1052 info++;
1056 type_init(arm_cpu_register_types)