Microblaze: Convert Microblaze-pic handling to GPIOs
[qemu/cris-port.git] / target-arm / cpu.c
blobc77a16cda397c0c8778a38d1c61e0854e6b235be
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 (ri->type & ARM_CP_64BIT) {
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 #else
95 env->pstate = PSTATE_D | PSTATE_A | PSTATE_I | PSTATE_F
96 | PSTATE_MODE_EL1h;
97 #endif
100 #if defined(CONFIG_USER_ONLY)
101 env->uncached_cpsr = ARM_CPU_MODE_USR;
102 /* For user mode we must enable access to coprocessors */
103 env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30;
104 if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
105 env->cp15.c15_cpar = 3;
106 } else if (arm_feature(env, ARM_FEATURE_XSCALE)) {
107 env->cp15.c15_cpar = 1;
109 #else
110 /* SVC mode with interrupts disabled. */
111 env->uncached_cpsr = ARM_CPU_MODE_SVC | CPSR_A | CPSR_F | CPSR_I;
112 /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is
113 clear at reset. Initial SP and PC are loaded from ROM. */
114 if (IS_M(env)) {
115 uint32_t pc;
116 uint8_t *rom;
117 env->uncached_cpsr &= ~CPSR_I;
118 rom = rom_ptr(0);
119 if (rom) {
120 /* We should really use ldl_phys here, in case the guest
121 modified flash and reset itself. However images
122 loaded via -kernel have not been copied yet, so load the
123 values directly from there. */
124 env->regs[13] = ldl_p(rom) & 0xFFFFFFFC;
125 pc = ldl_p(rom + 4);
126 env->thumb = pc & 1;
127 env->regs[15] = pc & ~1;
131 if (env->cp15.c1_sys & (1 << 13)) {
132 env->regs[15] = 0xFFFF0000;
135 env->vfp.xregs[ARM_VFP_FPEXC] = 0;
136 #endif
137 set_flush_to_zero(1, &env->vfp.standard_fp_status);
138 set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status);
139 set_default_nan_mode(1, &env->vfp.standard_fp_status);
140 set_float_detect_tininess(float_tininess_before_rounding,
141 &env->vfp.fp_status);
142 set_float_detect_tininess(float_tininess_before_rounding,
143 &env->vfp.standard_fp_status);
144 tlb_flush(env, 1);
145 /* Reset is a state change for some CPUARMState fields which we
146 * bake assumptions about into translated code, so we need to
147 * tb_flush().
149 tb_flush(env);
152 #ifndef CONFIG_USER_ONLY
153 static void arm_cpu_set_irq(void *opaque, int irq, int level)
155 ARMCPU *cpu = opaque;
156 CPUState *cs = CPU(cpu);
158 switch (irq) {
159 case ARM_CPU_IRQ:
160 if (level) {
161 cpu_interrupt(cs, CPU_INTERRUPT_HARD);
162 } else {
163 cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
165 break;
166 case ARM_CPU_FIQ:
167 if (level) {
168 cpu_interrupt(cs, CPU_INTERRUPT_FIQ);
169 } else {
170 cpu_reset_interrupt(cs, CPU_INTERRUPT_FIQ);
172 break;
173 default:
174 hw_error("arm_cpu_set_irq: Bad interrupt line %d\n", irq);
178 static void arm_cpu_kvm_set_irq(void *opaque, int irq, int level)
180 #ifdef CONFIG_KVM
181 ARMCPU *cpu = opaque;
182 CPUState *cs = CPU(cpu);
183 int kvm_irq = KVM_ARM_IRQ_TYPE_CPU << KVM_ARM_IRQ_TYPE_SHIFT;
185 switch (irq) {
186 case ARM_CPU_IRQ:
187 kvm_irq |= KVM_ARM_IRQ_CPU_IRQ;
188 break;
189 case ARM_CPU_FIQ:
190 kvm_irq |= KVM_ARM_IRQ_CPU_FIQ;
191 break;
192 default:
193 hw_error("arm_cpu_kvm_set_irq: Bad interrupt line %d\n", irq);
195 kvm_irq |= cs->cpu_index << KVM_ARM_IRQ_VCPU_SHIFT;
196 kvm_set_irq(kvm_state, kvm_irq, level ? 1 : 0);
197 #endif
199 #endif
201 static inline void set_feature(CPUARMState *env, int feature)
203 env->features |= 1ULL << feature;
206 static void arm_cpu_initfn(Object *obj)
208 CPUState *cs = CPU(obj);
209 ARMCPU *cpu = ARM_CPU(obj);
210 static bool inited;
212 cs->env_ptr = &cpu->env;
213 cpu_exec_init(&cpu->env);
214 cpu->cp_regs = g_hash_table_new_full(g_int_hash, g_int_equal,
215 g_free, g_free);
217 #ifndef CONFIG_USER_ONLY
218 /* Our inbound IRQ and FIQ lines */
219 if (kvm_enabled()) {
220 qdev_init_gpio_in(DEVICE(cpu), arm_cpu_kvm_set_irq, 2);
221 } else {
222 qdev_init_gpio_in(DEVICE(cpu), arm_cpu_set_irq, 2);
225 cpu->gt_timer[GTIMER_PHYS] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
226 arm_gt_ptimer_cb, cpu);
227 cpu->gt_timer[GTIMER_VIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
228 arm_gt_vtimer_cb, cpu);
229 qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs,
230 ARRAY_SIZE(cpu->gt_timer_outputs));
231 #endif
233 /* DTB consumers generally don't in fact care what the 'compatible'
234 * string is, so always provide some string and trust that a hypothetical
235 * picky DTB consumer will also provide a helpful error message.
237 cpu->dtb_compatible = "qemu,unknown";
238 cpu->kvm_target = QEMU_KVM_ARM_TARGET_NONE;
240 if (tcg_enabled() && !inited) {
241 inited = true;
242 arm_translate_init();
246 static Property arm_cpu_reset_cbar_property =
247 DEFINE_PROP_UINT32("reset-cbar", ARMCPU, reset_cbar, 0);
249 static Property arm_cpu_reset_hivecs_property =
250 DEFINE_PROP_BOOL("reset-hivecs", ARMCPU, reset_hivecs, false);
252 static void arm_cpu_post_init(Object *obj)
254 ARMCPU *cpu = ARM_CPU(obj);
255 Error *err = NULL;
257 if (arm_feature(&cpu->env, ARM_FEATURE_CBAR)) {
258 qdev_property_add_static(DEVICE(obj), &arm_cpu_reset_cbar_property,
259 &err);
260 assert_no_error(err);
263 if (!arm_feature(&cpu->env, ARM_FEATURE_M)) {
264 qdev_property_add_static(DEVICE(obj), &arm_cpu_reset_hivecs_property,
265 &err);
266 assert_no_error(err);
270 static void arm_cpu_finalizefn(Object *obj)
272 ARMCPU *cpu = ARM_CPU(obj);
273 g_hash_table_destroy(cpu->cp_regs);
276 static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
278 CPUState *cs = CPU(dev);
279 ARMCPU *cpu = ARM_CPU(dev);
280 ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev);
281 CPUARMState *env = &cpu->env;
283 /* Some features automatically imply others: */
284 if (arm_feature(env, ARM_FEATURE_V8)) {
285 set_feature(env, ARM_FEATURE_V7);
286 set_feature(env, ARM_FEATURE_ARM_DIV);
287 set_feature(env, ARM_FEATURE_LPAE);
288 set_feature(env, ARM_FEATURE_V8_AES);
290 if (arm_feature(env, ARM_FEATURE_V7)) {
291 set_feature(env, ARM_FEATURE_VAPA);
292 set_feature(env, ARM_FEATURE_THUMB2);
293 set_feature(env, ARM_FEATURE_MPIDR);
294 if (!arm_feature(env, ARM_FEATURE_M)) {
295 set_feature(env, ARM_FEATURE_V6K);
296 } else {
297 set_feature(env, ARM_FEATURE_V6);
300 if (arm_feature(env, ARM_FEATURE_V6K)) {
301 set_feature(env, ARM_FEATURE_V6);
302 set_feature(env, ARM_FEATURE_MVFR);
304 if (arm_feature(env, ARM_FEATURE_V6)) {
305 set_feature(env, ARM_FEATURE_V5);
306 if (!arm_feature(env, ARM_FEATURE_M)) {
307 set_feature(env, ARM_FEATURE_AUXCR);
310 if (arm_feature(env, ARM_FEATURE_V5)) {
311 set_feature(env, ARM_FEATURE_V4T);
313 if (arm_feature(env, ARM_FEATURE_M)) {
314 set_feature(env, ARM_FEATURE_THUMB_DIV);
316 if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
317 set_feature(env, ARM_FEATURE_THUMB_DIV);
319 if (arm_feature(env, ARM_FEATURE_VFP4)) {
320 set_feature(env, ARM_FEATURE_VFP3);
322 if (arm_feature(env, ARM_FEATURE_VFP3)) {
323 set_feature(env, ARM_FEATURE_VFP);
325 if (arm_feature(env, ARM_FEATURE_LPAE)) {
326 set_feature(env, ARM_FEATURE_V7MP);
327 set_feature(env, ARM_FEATURE_PXN);
330 if (cpu->reset_hivecs) {
331 cpu->reset_sctlr |= (1 << 13);
334 register_cp_regs_for_features(cpu);
335 arm_cpu_register_gdb_regs_for_features(cpu);
337 init_cpreg_list(cpu);
339 cpu_reset(cs);
340 qemu_init_vcpu(cs);
342 acc->parent_realize(dev, errp);
345 static ObjectClass *arm_cpu_class_by_name(const char *cpu_model)
347 ObjectClass *oc;
348 char *typename;
350 if (!cpu_model) {
351 return NULL;
354 typename = g_strdup_printf("%s-" TYPE_ARM_CPU, cpu_model);
355 oc = object_class_by_name(typename);
356 g_free(typename);
357 if (!oc || !object_class_dynamic_cast(oc, TYPE_ARM_CPU) ||
358 object_class_is_abstract(oc)) {
359 return NULL;
361 return oc;
364 /* CPU models. These are not needed for the AArch64 linux-user build. */
365 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
367 static void arm926_initfn(Object *obj)
369 ARMCPU *cpu = ARM_CPU(obj);
371 cpu->dtb_compatible = "arm,arm926";
372 set_feature(&cpu->env, ARM_FEATURE_V5);
373 set_feature(&cpu->env, ARM_FEATURE_VFP);
374 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
375 set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
376 cpu->midr = 0x41069265;
377 cpu->reset_fpsid = 0x41011090;
378 cpu->ctr = 0x1dd20d2;
379 cpu->reset_sctlr = 0x00090078;
382 static void arm946_initfn(Object *obj)
384 ARMCPU *cpu = ARM_CPU(obj);
386 cpu->dtb_compatible = "arm,arm946";
387 set_feature(&cpu->env, ARM_FEATURE_V5);
388 set_feature(&cpu->env, ARM_FEATURE_MPU);
389 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
390 cpu->midr = 0x41059461;
391 cpu->ctr = 0x0f004006;
392 cpu->reset_sctlr = 0x00000078;
395 static void arm1026_initfn(Object *obj)
397 ARMCPU *cpu = ARM_CPU(obj);
399 cpu->dtb_compatible = "arm,arm1026";
400 set_feature(&cpu->env, ARM_FEATURE_V5);
401 set_feature(&cpu->env, ARM_FEATURE_VFP);
402 set_feature(&cpu->env, ARM_FEATURE_AUXCR);
403 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
404 set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
405 cpu->midr = 0x4106a262;
406 cpu->reset_fpsid = 0x410110a0;
407 cpu->ctr = 0x1dd20d2;
408 cpu->reset_sctlr = 0x00090078;
409 cpu->reset_auxcr = 1;
411 /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
412 ARMCPRegInfo ifar = {
413 .name = "IFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 1,
414 .access = PL1_RW,
415 .fieldoffset = offsetof(CPUARMState, cp15.c6_insn),
416 .resetvalue = 0
418 define_one_arm_cp_reg(cpu, &ifar);
422 static void arm1136_r2_initfn(Object *obj)
424 ARMCPU *cpu = ARM_CPU(obj);
425 /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
426 * older core than plain "arm1136". In particular this does not
427 * have the v6K features.
428 * These ID register values are correct for 1136 but may be wrong
429 * for 1136_r2 (in particular r0p2 does not actually implement most
430 * of the ID registers).
433 cpu->dtb_compatible = "arm,arm1136";
434 set_feature(&cpu->env, ARM_FEATURE_V6);
435 set_feature(&cpu->env, ARM_FEATURE_VFP);
436 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
437 set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
438 set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
439 cpu->midr = 0x4107b362;
440 cpu->reset_fpsid = 0x410120b4;
441 cpu->mvfr0 = 0x11111111;
442 cpu->mvfr1 = 0x00000000;
443 cpu->ctr = 0x1dd20d2;
444 cpu->reset_sctlr = 0x00050078;
445 cpu->id_pfr0 = 0x111;
446 cpu->id_pfr1 = 0x1;
447 cpu->id_dfr0 = 0x2;
448 cpu->id_afr0 = 0x3;
449 cpu->id_mmfr0 = 0x01130003;
450 cpu->id_mmfr1 = 0x10030302;
451 cpu->id_mmfr2 = 0x01222110;
452 cpu->id_isar0 = 0x00140011;
453 cpu->id_isar1 = 0x12002111;
454 cpu->id_isar2 = 0x11231111;
455 cpu->id_isar3 = 0x01102131;
456 cpu->id_isar4 = 0x141;
457 cpu->reset_auxcr = 7;
460 static void arm1136_initfn(Object *obj)
462 ARMCPU *cpu = ARM_CPU(obj);
464 cpu->dtb_compatible = "arm,arm1136";
465 set_feature(&cpu->env, ARM_FEATURE_V6K);
466 set_feature(&cpu->env, ARM_FEATURE_V6);
467 set_feature(&cpu->env, ARM_FEATURE_VFP);
468 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
469 set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
470 set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
471 cpu->midr = 0x4117b363;
472 cpu->reset_fpsid = 0x410120b4;
473 cpu->mvfr0 = 0x11111111;
474 cpu->mvfr1 = 0x00000000;
475 cpu->ctr = 0x1dd20d2;
476 cpu->reset_sctlr = 0x00050078;
477 cpu->id_pfr0 = 0x111;
478 cpu->id_pfr1 = 0x1;
479 cpu->id_dfr0 = 0x2;
480 cpu->id_afr0 = 0x3;
481 cpu->id_mmfr0 = 0x01130003;
482 cpu->id_mmfr1 = 0x10030302;
483 cpu->id_mmfr2 = 0x01222110;
484 cpu->id_isar0 = 0x00140011;
485 cpu->id_isar1 = 0x12002111;
486 cpu->id_isar2 = 0x11231111;
487 cpu->id_isar3 = 0x01102131;
488 cpu->id_isar4 = 0x141;
489 cpu->reset_auxcr = 7;
492 static void arm1176_initfn(Object *obj)
494 ARMCPU *cpu = ARM_CPU(obj);
496 cpu->dtb_compatible = "arm,arm1176";
497 set_feature(&cpu->env, ARM_FEATURE_V6K);
498 set_feature(&cpu->env, ARM_FEATURE_VFP);
499 set_feature(&cpu->env, ARM_FEATURE_VAPA);
500 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
501 set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
502 set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
503 cpu->midr = 0x410fb767;
504 cpu->reset_fpsid = 0x410120b5;
505 cpu->mvfr0 = 0x11111111;
506 cpu->mvfr1 = 0x00000000;
507 cpu->ctr = 0x1dd20d2;
508 cpu->reset_sctlr = 0x00050078;
509 cpu->id_pfr0 = 0x111;
510 cpu->id_pfr1 = 0x11;
511 cpu->id_dfr0 = 0x33;
512 cpu->id_afr0 = 0;
513 cpu->id_mmfr0 = 0x01130003;
514 cpu->id_mmfr1 = 0x10030302;
515 cpu->id_mmfr2 = 0x01222100;
516 cpu->id_isar0 = 0x0140011;
517 cpu->id_isar1 = 0x12002111;
518 cpu->id_isar2 = 0x11231121;
519 cpu->id_isar3 = 0x01102131;
520 cpu->id_isar4 = 0x01141;
521 cpu->reset_auxcr = 7;
524 static void arm11mpcore_initfn(Object *obj)
526 ARMCPU *cpu = ARM_CPU(obj);
528 cpu->dtb_compatible = "arm,arm11mpcore";
529 set_feature(&cpu->env, ARM_FEATURE_V6K);
530 set_feature(&cpu->env, ARM_FEATURE_VFP);
531 set_feature(&cpu->env, ARM_FEATURE_VAPA);
532 set_feature(&cpu->env, ARM_FEATURE_MPIDR);
533 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
534 cpu->midr = 0x410fb022;
535 cpu->reset_fpsid = 0x410120b4;
536 cpu->mvfr0 = 0x11111111;
537 cpu->mvfr1 = 0x00000000;
538 cpu->ctr = 0x1d192992; /* 32K icache 32K dcache */
539 cpu->id_pfr0 = 0x111;
540 cpu->id_pfr1 = 0x1;
541 cpu->id_dfr0 = 0;
542 cpu->id_afr0 = 0x2;
543 cpu->id_mmfr0 = 0x01100103;
544 cpu->id_mmfr1 = 0x10020302;
545 cpu->id_mmfr2 = 0x01222000;
546 cpu->id_isar0 = 0x00100011;
547 cpu->id_isar1 = 0x12002111;
548 cpu->id_isar2 = 0x11221011;
549 cpu->id_isar3 = 0x01102131;
550 cpu->id_isar4 = 0x141;
551 cpu->reset_auxcr = 1;
554 static void cortex_m3_initfn(Object *obj)
556 ARMCPU *cpu = ARM_CPU(obj);
557 set_feature(&cpu->env, ARM_FEATURE_V7);
558 set_feature(&cpu->env, ARM_FEATURE_M);
559 cpu->midr = 0x410fc231;
562 static void arm_v7m_class_init(ObjectClass *oc, void *data)
564 #ifndef CONFIG_USER_ONLY
565 CPUClass *cc = CPU_CLASS(oc);
567 cc->do_interrupt = arm_v7m_cpu_do_interrupt;
568 #endif
571 static const ARMCPRegInfo cortexa8_cp_reginfo[] = {
572 { .name = "L2LOCKDOWN", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 0,
573 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
574 { .name = "L2AUXCR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
575 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
576 REGINFO_SENTINEL
579 static void cortex_a8_initfn(Object *obj)
581 ARMCPU *cpu = ARM_CPU(obj);
583 cpu->dtb_compatible = "arm,cortex-a8";
584 set_feature(&cpu->env, ARM_FEATURE_V7);
585 set_feature(&cpu->env, ARM_FEATURE_VFP3);
586 set_feature(&cpu->env, ARM_FEATURE_NEON);
587 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
588 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
589 cpu->midr = 0x410fc080;
590 cpu->reset_fpsid = 0x410330c0;
591 cpu->mvfr0 = 0x11110222;
592 cpu->mvfr1 = 0x00011100;
593 cpu->ctr = 0x82048004;
594 cpu->reset_sctlr = 0x00c50078;
595 cpu->id_pfr0 = 0x1031;
596 cpu->id_pfr1 = 0x11;
597 cpu->id_dfr0 = 0x400;
598 cpu->id_afr0 = 0;
599 cpu->id_mmfr0 = 0x31100003;
600 cpu->id_mmfr1 = 0x20000000;
601 cpu->id_mmfr2 = 0x01202000;
602 cpu->id_mmfr3 = 0x11;
603 cpu->id_isar0 = 0x00101111;
604 cpu->id_isar1 = 0x12112111;
605 cpu->id_isar2 = 0x21232031;
606 cpu->id_isar3 = 0x11112131;
607 cpu->id_isar4 = 0x00111142;
608 cpu->clidr = (1 << 27) | (2 << 24) | 3;
609 cpu->ccsidr[0] = 0xe007e01a; /* 16k L1 dcache. */
610 cpu->ccsidr[1] = 0x2007e01a; /* 16k L1 icache. */
611 cpu->ccsidr[2] = 0xf0000000; /* No L2 icache. */
612 cpu->reset_auxcr = 2;
613 define_arm_cp_regs(cpu, cortexa8_cp_reginfo);
616 static const ARMCPRegInfo cortexa9_cp_reginfo[] = {
617 /* power_control should be set to maximum latency. Again,
618 * default to 0 and set by private hook
620 { .name = "A9_PWRCTL", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 0,
621 .access = PL1_RW, .resetvalue = 0,
622 .fieldoffset = offsetof(CPUARMState, cp15.c15_power_control) },
623 { .name = "A9_DIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 1,
624 .access = PL1_RW, .resetvalue = 0,
625 .fieldoffset = offsetof(CPUARMState, cp15.c15_diagnostic) },
626 { .name = "A9_PWRDIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 2,
627 .access = PL1_RW, .resetvalue = 0,
628 .fieldoffset = offsetof(CPUARMState, cp15.c15_power_diagnostic) },
629 { .name = "NEONBUSY", .cp = 15, .crn = 15, .crm = 1, .opc1 = 0, .opc2 = 0,
630 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
631 /* TLB lockdown control */
632 { .name = "TLB_LOCKR", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 2,
633 .access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
634 { .name = "TLB_LOCKW", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 4,
635 .access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
636 { .name = "TLB_VA", .cp = 15, .crn = 15, .crm = 5, .opc1 = 5, .opc2 = 2,
637 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
638 { .name = "TLB_PA", .cp = 15, .crn = 15, .crm = 6, .opc1 = 5, .opc2 = 2,
639 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
640 { .name = "TLB_ATTR", .cp = 15, .crn = 15, .crm = 7, .opc1 = 5, .opc2 = 2,
641 .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
642 REGINFO_SENTINEL
645 static void cortex_a9_initfn(Object *obj)
647 ARMCPU *cpu = ARM_CPU(obj);
649 cpu->dtb_compatible = "arm,cortex-a9";
650 set_feature(&cpu->env, ARM_FEATURE_V7);
651 set_feature(&cpu->env, ARM_FEATURE_VFP3);
652 set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
653 set_feature(&cpu->env, ARM_FEATURE_NEON);
654 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
655 /* Note that A9 supports the MP extensions even for
656 * A9UP and single-core A9MP (which are both different
657 * and valid configurations; we don't model A9UP).
659 set_feature(&cpu->env, ARM_FEATURE_V7MP);
660 set_feature(&cpu->env, ARM_FEATURE_CBAR);
661 cpu->midr = 0x410fc090;
662 cpu->reset_fpsid = 0x41033090;
663 cpu->mvfr0 = 0x11110222;
664 cpu->mvfr1 = 0x01111111;
665 cpu->ctr = 0x80038003;
666 cpu->reset_sctlr = 0x00c50078;
667 cpu->id_pfr0 = 0x1031;
668 cpu->id_pfr1 = 0x11;
669 cpu->id_dfr0 = 0x000;
670 cpu->id_afr0 = 0;
671 cpu->id_mmfr0 = 0x00100103;
672 cpu->id_mmfr1 = 0x20000000;
673 cpu->id_mmfr2 = 0x01230000;
674 cpu->id_mmfr3 = 0x00002111;
675 cpu->id_isar0 = 0x00101111;
676 cpu->id_isar1 = 0x13112111;
677 cpu->id_isar2 = 0x21232041;
678 cpu->id_isar3 = 0x11112131;
679 cpu->id_isar4 = 0x00111142;
680 cpu->clidr = (1 << 27) | (1 << 24) | 3;
681 cpu->ccsidr[0] = 0xe00fe015; /* 16k L1 dcache. */
682 cpu->ccsidr[1] = 0x200fe015; /* 16k L1 icache. */
683 define_arm_cp_regs(cpu, cortexa9_cp_reginfo);
686 #ifndef CONFIG_USER_ONLY
687 static int a15_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri,
688 uint64_t *value)
690 /* Linux wants the number of processors from here.
691 * Might as well set the interrupt-controller bit too.
693 *value = ((smp_cpus - 1) << 24) | (1 << 23);
694 return 0;
696 #endif
698 static const ARMCPRegInfo cortexa15_cp_reginfo[] = {
699 #ifndef CONFIG_USER_ONLY
700 { .name = "L2CTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
701 .access = PL1_RW, .resetvalue = 0, .readfn = a15_l2ctlr_read,
702 .writefn = arm_cp_write_ignore, },
703 #endif
704 { .name = "L2ECTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 3,
705 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
706 REGINFO_SENTINEL
709 static void cortex_a15_initfn(Object *obj)
711 ARMCPU *cpu = ARM_CPU(obj);
713 cpu->dtb_compatible = "arm,cortex-a15";
714 set_feature(&cpu->env, ARM_FEATURE_V7);
715 set_feature(&cpu->env, ARM_FEATURE_VFP4);
716 set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
717 set_feature(&cpu->env, ARM_FEATURE_NEON);
718 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
719 set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
720 set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
721 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
722 set_feature(&cpu->env, ARM_FEATURE_CBAR);
723 set_feature(&cpu->env, ARM_FEATURE_LPAE);
724 cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A15;
725 cpu->midr = 0x412fc0f1;
726 cpu->reset_fpsid = 0x410430f0;
727 cpu->mvfr0 = 0x10110222;
728 cpu->mvfr1 = 0x11111111;
729 cpu->ctr = 0x8444c004;
730 cpu->reset_sctlr = 0x00c50078;
731 cpu->id_pfr0 = 0x00001131;
732 cpu->id_pfr1 = 0x00011011;
733 cpu->id_dfr0 = 0x02010555;
734 cpu->id_afr0 = 0x00000000;
735 cpu->id_mmfr0 = 0x10201105;
736 cpu->id_mmfr1 = 0x20000000;
737 cpu->id_mmfr2 = 0x01240000;
738 cpu->id_mmfr3 = 0x02102211;
739 cpu->id_isar0 = 0x02101110;
740 cpu->id_isar1 = 0x13112111;
741 cpu->id_isar2 = 0x21232041;
742 cpu->id_isar3 = 0x11112131;
743 cpu->id_isar4 = 0x10011142;
744 cpu->clidr = 0x0a200023;
745 cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */
746 cpu->ccsidr[1] = 0x201fe00a; /* 32K L1 icache */
747 cpu->ccsidr[2] = 0x711fe07a; /* 4096K L2 unified cache */
748 define_arm_cp_regs(cpu, cortexa15_cp_reginfo);
751 static void ti925t_initfn(Object *obj)
753 ARMCPU *cpu = ARM_CPU(obj);
754 set_feature(&cpu->env, ARM_FEATURE_V4T);
755 set_feature(&cpu->env, ARM_FEATURE_OMAPCP);
756 cpu->midr = ARM_CPUID_TI925T;
757 cpu->ctr = 0x5109149;
758 cpu->reset_sctlr = 0x00000070;
761 static void sa1100_initfn(Object *obj)
763 ARMCPU *cpu = ARM_CPU(obj);
765 cpu->dtb_compatible = "intel,sa1100";
766 set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
767 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
768 cpu->midr = 0x4401A11B;
769 cpu->reset_sctlr = 0x00000070;
772 static void sa1110_initfn(Object *obj)
774 ARMCPU *cpu = ARM_CPU(obj);
775 set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
776 set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
777 cpu->midr = 0x6901B119;
778 cpu->reset_sctlr = 0x00000070;
781 static void pxa250_initfn(Object *obj)
783 ARMCPU *cpu = ARM_CPU(obj);
785 cpu->dtb_compatible = "marvell,xscale";
786 set_feature(&cpu->env, ARM_FEATURE_V5);
787 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
788 cpu->midr = 0x69052100;
789 cpu->ctr = 0xd172172;
790 cpu->reset_sctlr = 0x00000078;
793 static void pxa255_initfn(Object *obj)
795 ARMCPU *cpu = ARM_CPU(obj);
797 cpu->dtb_compatible = "marvell,xscale";
798 set_feature(&cpu->env, ARM_FEATURE_V5);
799 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
800 cpu->midr = 0x69052d00;
801 cpu->ctr = 0xd172172;
802 cpu->reset_sctlr = 0x00000078;
805 static void pxa260_initfn(Object *obj)
807 ARMCPU *cpu = ARM_CPU(obj);
809 cpu->dtb_compatible = "marvell,xscale";
810 set_feature(&cpu->env, ARM_FEATURE_V5);
811 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
812 cpu->midr = 0x69052903;
813 cpu->ctr = 0xd172172;
814 cpu->reset_sctlr = 0x00000078;
817 static void pxa261_initfn(Object *obj)
819 ARMCPU *cpu = ARM_CPU(obj);
821 cpu->dtb_compatible = "marvell,xscale";
822 set_feature(&cpu->env, ARM_FEATURE_V5);
823 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
824 cpu->midr = 0x69052d05;
825 cpu->ctr = 0xd172172;
826 cpu->reset_sctlr = 0x00000078;
829 static void pxa262_initfn(Object *obj)
831 ARMCPU *cpu = ARM_CPU(obj);
833 cpu->dtb_compatible = "marvell,xscale";
834 set_feature(&cpu->env, ARM_FEATURE_V5);
835 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
836 cpu->midr = 0x69052d06;
837 cpu->ctr = 0xd172172;
838 cpu->reset_sctlr = 0x00000078;
841 static void pxa270a0_initfn(Object *obj)
843 ARMCPU *cpu = ARM_CPU(obj);
845 cpu->dtb_compatible = "marvell,xscale";
846 set_feature(&cpu->env, ARM_FEATURE_V5);
847 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
848 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
849 cpu->midr = 0x69054110;
850 cpu->ctr = 0xd172172;
851 cpu->reset_sctlr = 0x00000078;
854 static void pxa270a1_initfn(Object *obj)
856 ARMCPU *cpu = ARM_CPU(obj);
858 cpu->dtb_compatible = "marvell,xscale";
859 set_feature(&cpu->env, ARM_FEATURE_V5);
860 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
861 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
862 cpu->midr = 0x69054111;
863 cpu->ctr = 0xd172172;
864 cpu->reset_sctlr = 0x00000078;
867 static void pxa270b0_initfn(Object *obj)
869 ARMCPU *cpu = ARM_CPU(obj);
871 cpu->dtb_compatible = "marvell,xscale";
872 set_feature(&cpu->env, ARM_FEATURE_V5);
873 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
874 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
875 cpu->midr = 0x69054112;
876 cpu->ctr = 0xd172172;
877 cpu->reset_sctlr = 0x00000078;
880 static void pxa270b1_initfn(Object *obj)
882 ARMCPU *cpu = ARM_CPU(obj);
884 cpu->dtb_compatible = "marvell,xscale";
885 set_feature(&cpu->env, ARM_FEATURE_V5);
886 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
887 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
888 cpu->midr = 0x69054113;
889 cpu->ctr = 0xd172172;
890 cpu->reset_sctlr = 0x00000078;
893 static void pxa270c0_initfn(Object *obj)
895 ARMCPU *cpu = ARM_CPU(obj);
897 cpu->dtb_compatible = "marvell,xscale";
898 set_feature(&cpu->env, ARM_FEATURE_V5);
899 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
900 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
901 cpu->midr = 0x69054114;
902 cpu->ctr = 0xd172172;
903 cpu->reset_sctlr = 0x00000078;
906 static void pxa270c5_initfn(Object *obj)
908 ARMCPU *cpu = ARM_CPU(obj);
910 cpu->dtb_compatible = "marvell,xscale";
911 set_feature(&cpu->env, ARM_FEATURE_V5);
912 set_feature(&cpu->env, ARM_FEATURE_XSCALE);
913 set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
914 cpu->midr = 0x69054117;
915 cpu->ctr = 0xd172172;
916 cpu->reset_sctlr = 0x00000078;
919 #ifdef CONFIG_USER_ONLY
920 static void arm_any_initfn(Object *obj)
922 ARMCPU *cpu = ARM_CPU(obj);
923 set_feature(&cpu->env, ARM_FEATURE_V8);
924 set_feature(&cpu->env, ARM_FEATURE_VFP4);
925 set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
926 set_feature(&cpu->env, ARM_FEATURE_NEON);
927 set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
928 set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
929 set_feature(&cpu->env, ARM_FEATURE_V7MP);
930 #ifdef TARGET_AARCH64
931 set_feature(&cpu->env, ARM_FEATURE_AARCH64);
932 #endif
933 cpu->midr = 0xffffffff;
935 #endif
937 #endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */
939 typedef struct ARMCPUInfo {
940 const char *name;
941 void (*initfn)(Object *obj);
942 void (*class_init)(ObjectClass *oc, void *data);
943 } ARMCPUInfo;
945 static const ARMCPUInfo arm_cpus[] = {
946 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
947 { .name = "arm926", .initfn = arm926_initfn },
948 { .name = "arm946", .initfn = arm946_initfn },
949 { .name = "arm1026", .initfn = arm1026_initfn },
950 /* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
951 * older core than plain "arm1136". In particular this does not
952 * have the v6K features.
954 { .name = "arm1136-r2", .initfn = arm1136_r2_initfn },
955 { .name = "arm1136", .initfn = arm1136_initfn },
956 { .name = "arm1176", .initfn = arm1176_initfn },
957 { .name = "arm11mpcore", .initfn = arm11mpcore_initfn },
958 { .name = "cortex-m3", .initfn = cortex_m3_initfn,
959 .class_init = arm_v7m_class_init },
960 { .name = "cortex-a8", .initfn = cortex_a8_initfn },
961 { .name = "cortex-a9", .initfn = cortex_a9_initfn },
962 { .name = "cortex-a15", .initfn = cortex_a15_initfn },
963 { .name = "ti925t", .initfn = ti925t_initfn },
964 { .name = "sa1100", .initfn = sa1100_initfn },
965 { .name = "sa1110", .initfn = sa1110_initfn },
966 { .name = "pxa250", .initfn = pxa250_initfn },
967 { .name = "pxa255", .initfn = pxa255_initfn },
968 { .name = "pxa260", .initfn = pxa260_initfn },
969 { .name = "pxa261", .initfn = pxa261_initfn },
970 { .name = "pxa262", .initfn = pxa262_initfn },
971 /* "pxa270" is an alias for "pxa270-a0" */
972 { .name = "pxa270", .initfn = pxa270a0_initfn },
973 { .name = "pxa270-a0", .initfn = pxa270a0_initfn },
974 { .name = "pxa270-a1", .initfn = pxa270a1_initfn },
975 { .name = "pxa270-b0", .initfn = pxa270b0_initfn },
976 { .name = "pxa270-b1", .initfn = pxa270b1_initfn },
977 { .name = "pxa270-c0", .initfn = pxa270c0_initfn },
978 { .name = "pxa270-c5", .initfn = pxa270c5_initfn },
979 #ifdef CONFIG_USER_ONLY
980 { .name = "any", .initfn = arm_any_initfn },
981 #endif
982 #endif
983 { .name = NULL }
986 static Property arm_cpu_properties[] = {
987 DEFINE_PROP_BOOL("start-powered-off", ARMCPU, start_powered_off, false),
988 DEFINE_PROP_END_OF_LIST()
991 static void arm_cpu_class_init(ObjectClass *oc, void *data)
993 ARMCPUClass *acc = ARM_CPU_CLASS(oc);
994 CPUClass *cc = CPU_CLASS(acc);
995 DeviceClass *dc = DEVICE_CLASS(oc);
997 acc->parent_realize = dc->realize;
998 dc->realize = arm_cpu_realizefn;
999 dc->props = arm_cpu_properties;
1001 acc->parent_reset = cc->reset;
1002 cc->reset = arm_cpu_reset;
1004 cc->class_by_name = arm_cpu_class_by_name;
1005 cc->do_interrupt = arm_cpu_do_interrupt;
1006 cc->dump_state = arm_cpu_dump_state;
1007 cc->set_pc = arm_cpu_set_pc;
1008 cc->gdb_read_register = arm_cpu_gdb_read_register;
1009 cc->gdb_write_register = arm_cpu_gdb_write_register;
1010 #ifndef CONFIG_USER_ONLY
1011 cc->get_phys_page_debug = arm_cpu_get_phys_page_debug;
1012 cc->vmsd = &vmstate_arm_cpu;
1013 #endif
1014 cc->gdb_num_core_regs = 26;
1015 cc->gdb_core_xml_file = "arm-core.xml";
1018 static void cpu_register(const ARMCPUInfo *info)
1020 TypeInfo type_info = {
1021 .parent = TYPE_ARM_CPU,
1022 .instance_size = sizeof(ARMCPU),
1023 .instance_init = info->initfn,
1024 .class_size = sizeof(ARMCPUClass),
1025 .class_init = info->class_init,
1028 type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
1029 type_register(&type_info);
1030 g_free((void *)type_info.name);
1033 static const TypeInfo arm_cpu_type_info = {
1034 .name = TYPE_ARM_CPU,
1035 .parent = TYPE_CPU,
1036 .instance_size = sizeof(ARMCPU),
1037 .instance_init = arm_cpu_initfn,
1038 .instance_post_init = arm_cpu_post_init,
1039 .instance_finalize = arm_cpu_finalizefn,
1040 .abstract = true,
1041 .class_size = sizeof(ARMCPUClass),
1042 .class_init = arm_cpu_class_init,
1045 static void arm_cpu_register_types(void)
1047 const ARMCPUInfo *info = arm_cpus;
1049 type_register_static(&arm_cpu_type_info);
1051 while (info->name) {
1052 cpu_register(info);
1053 info++;
1057 type_init(arm_cpu_register_types)