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 "qemu/osdep.h"
22 #include "target/arm/idau.h"
23 #include "qemu/error-report.h"
24 #include "qapi/error.h"
26 #include "internals.h"
27 #include "qemu-common.h"
28 #include "exec/exec-all.h"
29 #include "hw/qdev-properties.h"
30 #if !defined(CONFIG_USER_ONLY)
31 #include "hw/loader.h"
33 #include "hw/arm/arm.h"
34 #include "sysemu/sysemu.h"
35 #include "sysemu/hw_accel.h"
37 #include "disas/capstone.h"
38 #include "fpu/softfloat.h"
40 static void arm_cpu_set_pc(CPUState
*cs
, vaddr value
)
42 ARMCPU
*cpu
= ARM_CPU(cs
);
44 cpu
->env
.regs
[15] = value
;
47 static bool arm_cpu_has_work(CPUState
*cs
)
49 ARMCPU
*cpu
= ARM_CPU(cs
);
51 return (cpu
->power_state
!= PSCI_OFF
)
52 && cs
->interrupt_request
&
53 (CPU_INTERRUPT_FIQ
| CPU_INTERRUPT_HARD
54 | CPU_INTERRUPT_VFIQ
| CPU_INTERRUPT_VIRQ
55 | CPU_INTERRUPT_EXITTB
);
58 void arm_register_el_change_hook(ARMCPU
*cpu
, ARMELChangeHook
*hook
,
61 /* We currently only support registering a single hook function */
62 assert(!cpu
->el_change_hook
);
63 cpu
->el_change_hook
= hook
;
64 cpu
->el_change_hook_opaque
= opaque
;
67 static void cp_reg_reset(gpointer key
, gpointer value
, gpointer opaque
)
69 /* Reset a single ARMCPRegInfo register */
70 ARMCPRegInfo
*ri
= value
;
73 if (ri
->type
& (ARM_CP_SPECIAL
| ARM_CP_ALIAS
)) {
78 ri
->resetfn(&cpu
->env
, ri
);
82 /* A zero offset is never possible as it would be regs[0]
83 * so we use it to indicate that reset is being handled elsewhere.
84 * This is basically only used for fields in non-core coprocessors
85 * (like the pxa2xx ones).
87 if (!ri
->fieldoffset
) {
91 if (cpreg_field_is_64bit(ri
)) {
92 CPREG_FIELD64(&cpu
->env
, ri
) = ri
->resetvalue
;
94 CPREG_FIELD32(&cpu
->env
, ri
) = ri
->resetvalue
;
98 static void cp_reg_check_reset(gpointer key
, gpointer value
, gpointer opaque
)
100 /* Purely an assertion check: we've already done reset once,
101 * so now check that running the reset for the cpreg doesn't
102 * change its value. This traps bugs where two different cpregs
103 * both try to reset the same state field but to different values.
105 ARMCPRegInfo
*ri
= value
;
106 ARMCPU
*cpu
= opaque
;
107 uint64_t oldvalue
, newvalue
;
109 if (ri
->type
& (ARM_CP_SPECIAL
| ARM_CP_ALIAS
| ARM_CP_NO_RAW
)) {
113 oldvalue
= read_raw_cp_reg(&cpu
->env
, ri
);
114 cp_reg_reset(key
, value
, opaque
);
115 newvalue
= read_raw_cp_reg(&cpu
->env
, ri
);
116 assert(oldvalue
== newvalue
);
119 /* CPUClass::reset() */
120 static void arm_cpu_reset(CPUState
*s
)
122 ARMCPU
*cpu
= ARM_CPU(s
);
123 ARMCPUClass
*acc
= ARM_CPU_GET_CLASS(cpu
);
124 CPUARMState
*env
= &cpu
->env
;
126 acc
->parent_reset(s
);
128 memset(env
, 0, offsetof(CPUARMState
, end_reset_fields
));
130 g_hash_table_foreach(cpu
->cp_regs
, cp_reg_reset
, cpu
);
131 g_hash_table_foreach(cpu
->cp_regs
, cp_reg_check_reset
, cpu
);
133 env
->vfp
.xregs
[ARM_VFP_FPSID
] = cpu
->reset_fpsid
;
134 env
->vfp
.xregs
[ARM_VFP_MVFR0
] = cpu
->mvfr0
;
135 env
->vfp
.xregs
[ARM_VFP_MVFR1
] = cpu
->mvfr1
;
136 env
->vfp
.xregs
[ARM_VFP_MVFR2
] = cpu
->mvfr2
;
138 cpu
->power_state
= cpu
->start_powered_off
? PSCI_OFF
: PSCI_ON
;
139 s
->halted
= cpu
->start_powered_off
;
141 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
142 env
->iwmmxt
.cregs
[ARM_IWMMXT_wCID
] = 0x69051000 | 'Q';
145 if (arm_feature(env
, ARM_FEATURE_AARCH64
)) {
146 /* 64 bit CPUs always start in 64 bit mode */
148 #if defined(CONFIG_USER_ONLY)
149 env
->pstate
= PSTATE_MODE_EL0t
;
150 /* Userspace expects access to DC ZVA, CTL_EL0 and the cache ops */
151 env
->cp15
.sctlr_el
[1] |= SCTLR_UCT
| SCTLR_UCI
| SCTLR_DZE
;
152 /* and to the FP/Neon instructions */
153 env
->cp15
.cpacr_el1
= deposit64(env
->cp15
.cpacr_el1
, 20, 2, 3);
155 /* Reset into the highest available EL */
156 if (arm_feature(env
, ARM_FEATURE_EL3
)) {
157 env
->pstate
= PSTATE_MODE_EL3h
;
158 } else if (arm_feature(env
, ARM_FEATURE_EL2
)) {
159 env
->pstate
= PSTATE_MODE_EL2h
;
161 env
->pstate
= PSTATE_MODE_EL1h
;
163 env
->pc
= cpu
->rvbar
;
166 #if defined(CONFIG_USER_ONLY)
167 /* Userspace expects access to cp10 and cp11 for FP/Neon */
168 env
->cp15
.cpacr_el1
= deposit64(env
->cp15
.cpacr_el1
, 20, 4, 0xf);
172 #if defined(CONFIG_USER_ONLY)
173 env
->uncached_cpsr
= ARM_CPU_MODE_USR
;
174 /* For user mode we must enable access to coprocessors */
175 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 1 << 30;
176 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
177 env
->cp15
.c15_cpar
= 3;
178 } else if (arm_feature(env
, ARM_FEATURE_XSCALE
)) {
179 env
->cp15
.c15_cpar
= 1;
182 /* SVC mode with interrupts disabled. */
183 env
->uncached_cpsr
= ARM_CPU_MODE_SVC
;
184 env
->daif
= PSTATE_D
| PSTATE_A
| PSTATE_I
| PSTATE_F
;
186 if (arm_feature(env
, ARM_FEATURE_M
)) {
187 uint32_t initial_msp
; /* Loaded from 0x0 */
188 uint32_t initial_pc
; /* Loaded from 0x4 */
192 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
193 env
->v7m
.secure
= true;
195 /* This bit resets to 0 if security is supported, but 1 if
196 * it is not. The bit is not present in v7M, but we set it
197 * here so we can avoid having to make checks on it conditional
198 * on ARM_FEATURE_V8 (we don't let the guest see the bit).
200 env
->v7m
.aircr
= R_V7M_AIRCR_BFHFNMINS_MASK
;
203 /* In v7M the reset value of this bit is IMPDEF, but ARM recommends
204 * that it resets to 1, so QEMU always does that rather than making
205 * it dependent on CPU model. In v8M it is RES1.
207 env
->v7m
.ccr
[M_REG_NS
] = R_V7M_CCR_STKALIGN_MASK
;
208 env
->v7m
.ccr
[M_REG_S
] = R_V7M_CCR_STKALIGN_MASK
;
209 if (arm_feature(env
, ARM_FEATURE_V8
)) {
210 /* in v8M the NONBASETHRDENA bit [0] is RES1 */
211 env
->v7m
.ccr
[M_REG_NS
] |= R_V7M_CCR_NONBASETHRDENA_MASK
;
212 env
->v7m
.ccr
[M_REG_S
] |= R_V7M_CCR_NONBASETHRDENA_MASK
;
215 /* Unlike A/R profile, M profile defines the reset LR value */
216 env
->regs
[14] = 0xffffffff;
218 env
->v7m
.vecbase
[M_REG_S
] = cpu
->init_svtor
& 0xffffff80;
220 /* Load the initial SP and PC from offset 0 and 4 in the vector table */
221 vecbase
= env
->v7m
.vecbase
[env
->v7m
.secure
];
222 rom
= rom_ptr(vecbase
);
224 /* Address zero is covered by ROM which hasn't yet been
225 * copied into physical memory.
227 initial_msp
= ldl_p(rom
);
228 initial_pc
= ldl_p(rom
+ 4);
230 /* Address zero not covered by a ROM blob, or the ROM blob
231 * is in non-modifiable memory and this is a second reset after
232 * it got copied into memory. In the latter case, rom_ptr
233 * will return a NULL pointer and we should use ldl_phys instead.
235 initial_msp
= ldl_phys(s
->as
, vecbase
);
236 initial_pc
= ldl_phys(s
->as
, vecbase
+ 4);
239 env
->regs
[13] = initial_msp
& 0xFFFFFFFC;
240 env
->regs
[15] = initial_pc
& ~1;
241 env
->thumb
= initial_pc
& 1;
244 /* AArch32 has a hard highvec setting of 0xFFFF0000. If we are currently
245 * executing as AArch32 then check if highvecs are enabled and
246 * adjust the PC accordingly.
248 if (A32_BANKED_CURRENT_REG_GET(env
, sctlr
) & SCTLR_V
) {
249 env
->regs
[15] = 0xFFFF0000;
252 /* M profile requires that reset clears the exclusive monitor;
253 * A profile does not, but clearing it makes more sense than having it
254 * set with an exclusive access on address zero.
256 arm_clear_exclusive(env
);
258 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 0;
261 if (arm_feature(env
, ARM_FEATURE_PMSA
)) {
262 if (cpu
->pmsav7_dregion
> 0) {
263 if (arm_feature(env
, ARM_FEATURE_V8
)) {
264 memset(env
->pmsav8
.rbar
[M_REG_NS
], 0,
265 sizeof(*env
->pmsav8
.rbar
[M_REG_NS
])
266 * cpu
->pmsav7_dregion
);
267 memset(env
->pmsav8
.rlar
[M_REG_NS
], 0,
268 sizeof(*env
->pmsav8
.rlar
[M_REG_NS
])
269 * cpu
->pmsav7_dregion
);
270 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
271 memset(env
->pmsav8
.rbar
[M_REG_S
], 0,
272 sizeof(*env
->pmsav8
.rbar
[M_REG_S
])
273 * cpu
->pmsav7_dregion
);
274 memset(env
->pmsav8
.rlar
[M_REG_S
], 0,
275 sizeof(*env
->pmsav8
.rlar
[M_REG_S
])
276 * cpu
->pmsav7_dregion
);
278 } else if (arm_feature(env
, ARM_FEATURE_V7
)) {
279 memset(env
->pmsav7
.drbar
, 0,
280 sizeof(*env
->pmsav7
.drbar
) * cpu
->pmsav7_dregion
);
281 memset(env
->pmsav7
.drsr
, 0,
282 sizeof(*env
->pmsav7
.drsr
) * cpu
->pmsav7_dregion
);
283 memset(env
->pmsav7
.dracr
, 0,
284 sizeof(*env
->pmsav7
.dracr
) * cpu
->pmsav7_dregion
);
287 env
->pmsav7
.rnr
[M_REG_NS
] = 0;
288 env
->pmsav7
.rnr
[M_REG_S
] = 0;
289 env
->pmsav8
.mair0
[M_REG_NS
] = 0;
290 env
->pmsav8
.mair0
[M_REG_S
] = 0;
291 env
->pmsav8
.mair1
[M_REG_NS
] = 0;
292 env
->pmsav8
.mair1
[M_REG_S
] = 0;
295 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
296 if (cpu
->sau_sregion
> 0) {
297 memset(env
->sau
.rbar
, 0, sizeof(*env
->sau
.rbar
) * cpu
->sau_sregion
);
298 memset(env
->sau
.rlar
, 0, sizeof(*env
->sau
.rlar
) * cpu
->sau_sregion
);
301 /* SAU_CTRL reset value is IMPDEF; we choose 0, which is what
302 * the Cortex-M33 does.
307 set_flush_to_zero(1, &env
->vfp
.standard_fp_status
);
308 set_flush_inputs_to_zero(1, &env
->vfp
.standard_fp_status
);
309 set_default_nan_mode(1, &env
->vfp
.standard_fp_status
);
310 set_float_detect_tininess(float_tininess_before_rounding
,
311 &env
->vfp
.fp_status
);
312 set_float_detect_tininess(float_tininess_before_rounding
,
313 &env
->vfp
.standard_fp_status
);
314 #ifndef CONFIG_USER_ONLY
316 kvm_arm_reset_vcpu(cpu
);
320 hw_breakpoint_update_all(cpu
);
321 hw_watchpoint_update_all(cpu
);
324 bool arm_cpu_exec_interrupt(CPUState
*cs
, int interrupt_request
)
326 CPUClass
*cc
= CPU_GET_CLASS(cs
);
327 CPUARMState
*env
= cs
->env_ptr
;
328 uint32_t cur_el
= arm_current_el(env
);
329 bool secure
= arm_is_secure(env
);
334 if (interrupt_request
& CPU_INTERRUPT_FIQ
) {
336 target_el
= arm_phys_excp_target_el(cs
, excp_idx
, cur_el
, secure
);
337 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
338 cs
->exception_index
= excp_idx
;
339 env
->exception
.target_el
= target_el
;
340 cc
->do_interrupt(cs
);
344 if (interrupt_request
& CPU_INTERRUPT_HARD
) {
346 target_el
= arm_phys_excp_target_el(cs
, excp_idx
, cur_el
, secure
);
347 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
348 cs
->exception_index
= excp_idx
;
349 env
->exception
.target_el
= target_el
;
350 cc
->do_interrupt(cs
);
354 if (interrupt_request
& CPU_INTERRUPT_VIRQ
) {
355 excp_idx
= EXCP_VIRQ
;
357 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
358 cs
->exception_index
= excp_idx
;
359 env
->exception
.target_el
= target_el
;
360 cc
->do_interrupt(cs
);
364 if (interrupt_request
& CPU_INTERRUPT_VFIQ
) {
365 excp_idx
= EXCP_VFIQ
;
367 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
368 cs
->exception_index
= excp_idx
;
369 env
->exception
.target_el
= target_el
;
370 cc
->do_interrupt(cs
);
378 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
379 static bool arm_v7m_cpu_exec_interrupt(CPUState
*cs
, int interrupt_request
)
381 CPUClass
*cc
= CPU_GET_CLASS(cs
);
382 ARMCPU
*cpu
= ARM_CPU(cs
);
383 CPUARMState
*env
= &cpu
->env
;
386 /* ARMv7-M interrupt masking works differently than -A or -R.
387 * There is no FIQ/IRQ distinction. Instead of I and F bits
388 * masking FIQ and IRQ interrupts, an exception is taken only
389 * if it is higher priority than the current execution priority
390 * (which depends on state like BASEPRI, FAULTMASK and the
391 * currently active exception).
393 if (interrupt_request
& CPU_INTERRUPT_HARD
394 && (armv7m_nvic_can_take_pending_exception(env
->nvic
))) {
395 cs
->exception_index
= EXCP_IRQ
;
396 cc
->do_interrupt(cs
);
403 #ifndef CONFIG_USER_ONLY
404 static void arm_cpu_set_irq(void *opaque
, int irq
, int level
)
406 ARMCPU
*cpu
= opaque
;
407 CPUARMState
*env
= &cpu
->env
;
408 CPUState
*cs
= CPU(cpu
);
409 static const int mask
[] = {
410 [ARM_CPU_IRQ
] = CPU_INTERRUPT_HARD
,
411 [ARM_CPU_FIQ
] = CPU_INTERRUPT_FIQ
,
412 [ARM_CPU_VIRQ
] = CPU_INTERRUPT_VIRQ
,
413 [ARM_CPU_VFIQ
] = CPU_INTERRUPT_VFIQ
419 assert(arm_feature(env
, ARM_FEATURE_EL2
));
424 cpu_interrupt(cs
, mask
[irq
]);
426 cpu_reset_interrupt(cs
, mask
[irq
]);
430 g_assert_not_reached();
434 static void arm_cpu_kvm_set_irq(void *opaque
, int irq
, int level
)
437 ARMCPU
*cpu
= opaque
;
438 CPUState
*cs
= CPU(cpu
);
439 int kvm_irq
= KVM_ARM_IRQ_TYPE_CPU
<< KVM_ARM_IRQ_TYPE_SHIFT
;
443 kvm_irq
|= KVM_ARM_IRQ_CPU_IRQ
;
446 kvm_irq
|= KVM_ARM_IRQ_CPU_FIQ
;
449 g_assert_not_reached();
451 kvm_irq
|= cs
->cpu_index
<< KVM_ARM_IRQ_VCPU_SHIFT
;
452 kvm_set_irq(kvm_state
, kvm_irq
, level
? 1 : 0);
456 static bool arm_cpu_virtio_is_big_endian(CPUState
*cs
)
458 ARMCPU
*cpu
= ARM_CPU(cs
);
459 CPUARMState
*env
= &cpu
->env
;
461 cpu_synchronize_state(cs
);
462 return arm_cpu_data_is_big_endian(env
);
467 static inline void set_feature(CPUARMState
*env
, int feature
)
469 env
->features
|= 1ULL << feature
;
472 static inline void unset_feature(CPUARMState
*env
, int feature
)
474 env
->features
&= ~(1ULL << feature
);
478 print_insn_thumb1(bfd_vma pc
, disassemble_info
*info
)
480 return print_insn_arm(pc
| 1, info
);
483 static void arm_disas_set_info(CPUState
*cpu
, disassemble_info
*info
)
485 ARMCPU
*ac
= ARM_CPU(cpu
);
486 CPUARMState
*env
= &ac
->env
;
490 /* We might not be compiled with the A64 disassembler
491 * because it needs a C++ compiler. Leave print_insn
492 * unset in this case to use the caller default behaviour.
494 #if defined(CONFIG_ARM_A64_DIS)
495 info
->print_insn
= print_insn_arm_a64
;
497 info
->cap_arch
= CS_ARCH_ARM64
;
498 info
->cap_insn_unit
= 4;
499 info
->cap_insn_split
= 4;
503 info
->print_insn
= print_insn_thumb1
;
504 info
->cap_insn_unit
= 2;
505 info
->cap_insn_split
= 4;
506 cap_mode
= CS_MODE_THUMB
;
508 info
->print_insn
= print_insn_arm
;
509 info
->cap_insn_unit
= 4;
510 info
->cap_insn_split
= 4;
511 cap_mode
= CS_MODE_ARM
;
513 if (arm_feature(env
, ARM_FEATURE_V8
)) {
514 cap_mode
|= CS_MODE_V8
;
516 if (arm_feature(env
, ARM_FEATURE_M
)) {
517 cap_mode
|= CS_MODE_MCLASS
;
519 info
->cap_arch
= CS_ARCH_ARM
;
520 info
->cap_mode
= cap_mode
;
523 sctlr_b
= arm_sctlr_b(env
);
524 if (bswap_code(sctlr_b
)) {
525 #ifdef TARGET_WORDS_BIGENDIAN
526 info
->endian
= BFD_ENDIAN_LITTLE
;
528 info
->endian
= BFD_ENDIAN_BIG
;
531 info
->flags
&= ~INSN_ARM_BE32
;
532 #ifndef CONFIG_USER_ONLY
534 info
->flags
|= INSN_ARM_BE32
;
539 uint64_t arm_cpu_mp_affinity(int idx
, uint8_t clustersz
)
541 uint32_t Aff1
= idx
/ clustersz
;
542 uint32_t Aff0
= idx
% clustersz
;
543 return (Aff1
<< ARM_AFF1_SHIFT
) | Aff0
;
546 static void arm_cpu_initfn(Object
*obj
)
548 CPUState
*cs
= CPU(obj
);
549 ARMCPU
*cpu
= ARM_CPU(obj
);
551 cs
->env_ptr
= &cpu
->env
;
552 cpu
->cp_regs
= g_hash_table_new_full(g_int_hash
, g_int_equal
,
555 #ifndef CONFIG_USER_ONLY
556 /* Our inbound IRQ and FIQ lines */
558 /* VIRQ and VFIQ are unused with KVM but we add them to maintain
559 * the same interface as non-KVM CPUs.
561 qdev_init_gpio_in(DEVICE(cpu
), arm_cpu_kvm_set_irq
, 4);
563 qdev_init_gpio_in(DEVICE(cpu
), arm_cpu_set_irq
, 4);
566 cpu
->gt_timer
[GTIMER_PHYS
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
567 arm_gt_ptimer_cb
, cpu
);
568 cpu
->gt_timer
[GTIMER_VIRT
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
569 arm_gt_vtimer_cb
, cpu
);
570 cpu
->gt_timer
[GTIMER_HYP
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
571 arm_gt_htimer_cb
, cpu
);
572 cpu
->gt_timer
[GTIMER_SEC
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
573 arm_gt_stimer_cb
, cpu
);
574 qdev_init_gpio_out(DEVICE(cpu
), cpu
->gt_timer_outputs
,
575 ARRAY_SIZE(cpu
->gt_timer_outputs
));
577 qdev_init_gpio_out_named(DEVICE(cpu
), &cpu
->gicv3_maintenance_interrupt
,
578 "gicv3-maintenance-interrupt", 1);
579 qdev_init_gpio_out_named(DEVICE(cpu
), &cpu
->pmu_interrupt
,
583 /* DTB consumers generally don't in fact care what the 'compatible'
584 * string is, so always provide some string and trust that a hypothetical
585 * picky DTB consumer will also provide a helpful error message.
587 cpu
->dtb_compatible
= "qemu,unknown";
588 cpu
->psci_version
= 1; /* By default assume PSCI v0.1 */
589 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_NONE
;
592 cpu
->psci_version
= 2; /* TCG implements PSCI 0.2 */
596 static Property arm_cpu_reset_cbar_property
=
597 DEFINE_PROP_UINT64("reset-cbar", ARMCPU
, reset_cbar
, 0);
599 static Property arm_cpu_reset_hivecs_property
=
600 DEFINE_PROP_BOOL("reset-hivecs", ARMCPU
, reset_hivecs
, false);
602 static Property arm_cpu_rvbar_property
=
603 DEFINE_PROP_UINT64("rvbar", ARMCPU
, rvbar
, 0);
605 static Property arm_cpu_has_el2_property
=
606 DEFINE_PROP_BOOL("has_el2", ARMCPU
, has_el2
, true);
608 static Property arm_cpu_has_el3_property
=
609 DEFINE_PROP_BOOL("has_el3", ARMCPU
, has_el3
, true);
611 static Property arm_cpu_cfgend_property
=
612 DEFINE_PROP_BOOL("cfgend", ARMCPU
, cfgend
, false);
614 /* use property name "pmu" to match other archs and virt tools */
615 static Property arm_cpu_has_pmu_property
=
616 DEFINE_PROP_BOOL("pmu", ARMCPU
, has_pmu
, true);
618 static Property arm_cpu_has_mpu_property
=
619 DEFINE_PROP_BOOL("has-mpu", ARMCPU
, has_mpu
, true);
621 /* This is like DEFINE_PROP_UINT32 but it doesn't set the default value,
622 * because the CPU initfn will have already set cpu->pmsav7_dregion to
623 * the right value for that particular CPU type, and we don't want
624 * to override that with an incorrect constant value.
626 static Property arm_cpu_pmsav7_dregion_property
=
627 DEFINE_PROP_UNSIGNED_NODEFAULT("pmsav7-dregion", ARMCPU
,
629 qdev_prop_uint32
, uint32_t);
631 /* M profile: initial value of the Secure VTOR */
632 static Property arm_cpu_initsvtor_property
=
633 DEFINE_PROP_UINT32("init-svtor", ARMCPU
, init_svtor
, 0);
635 static void arm_cpu_post_init(Object
*obj
)
637 ARMCPU
*cpu
= ARM_CPU(obj
);
639 /* M profile implies PMSA. We have to do this here rather than
640 * in realize with the other feature-implication checks because
641 * we look at the PMSA bit to see if we should add some properties.
643 if (arm_feature(&cpu
->env
, ARM_FEATURE_M
)) {
644 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
647 if (arm_feature(&cpu
->env
, ARM_FEATURE_CBAR
) ||
648 arm_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
)) {
649 qdev_property_add_static(DEVICE(obj
), &arm_cpu_reset_cbar_property
,
653 if (!arm_feature(&cpu
->env
, ARM_FEATURE_M
)) {
654 qdev_property_add_static(DEVICE(obj
), &arm_cpu_reset_hivecs_property
,
658 if (arm_feature(&cpu
->env
, ARM_FEATURE_AARCH64
)) {
659 qdev_property_add_static(DEVICE(obj
), &arm_cpu_rvbar_property
,
663 if (arm_feature(&cpu
->env
, ARM_FEATURE_EL3
)) {
664 /* Add the has_el3 state CPU property only if EL3 is allowed. This will
665 * prevent "has_el3" from existing on CPUs which cannot support EL3.
667 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_el3_property
,
670 #ifndef CONFIG_USER_ONLY
671 object_property_add_link(obj
, "secure-memory",
673 (Object
**)&cpu
->secure_memory
,
674 qdev_prop_allow_set_link_before_realize
,
675 OBJ_PROP_LINK_UNREF_ON_RELEASE
,
680 if (arm_feature(&cpu
->env
, ARM_FEATURE_EL2
)) {
681 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_el2_property
,
685 if (arm_feature(&cpu
->env
, ARM_FEATURE_PMU
)) {
686 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_pmu_property
,
690 if (arm_feature(&cpu
->env
, ARM_FEATURE_PMSA
)) {
691 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_mpu_property
,
693 if (arm_feature(&cpu
->env
, ARM_FEATURE_V7
)) {
694 qdev_property_add_static(DEVICE(obj
),
695 &arm_cpu_pmsav7_dregion_property
,
700 if (arm_feature(&cpu
->env
, ARM_FEATURE_M_SECURITY
)) {
701 object_property_add_link(obj
, "idau", TYPE_IDAU_INTERFACE
, &cpu
->idau
,
702 qdev_prop_allow_set_link_before_realize
,
703 OBJ_PROP_LINK_UNREF_ON_RELEASE
,
705 qdev_property_add_static(DEVICE(obj
), &arm_cpu_initsvtor_property
,
709 qdev_property_add_static(DEVICE(obj
), &arm_cpu_cfgend_property
,
713 static void arm_cpu_finalizefn(Object
*obj
)
715 ARMCPU
*cpu
= ARM_CPU(obj
);
716 g_hash_table_destroy(cpu
->cp_regs
);
719 static void arm_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
721 CPUState
*cs
= CPU(dev
);
722 ARMCPU
*cpu
= ARM_CPU(dev
);
723 ARMCPUClass
*acc
= ARM_CPU_GET_CLASS(dev
);
724 CPUARMState
*env
= &cpu
->env
;
726 Error
*local_err
= NULL
;
728 /* If we needed to query the host kernel for the CPU features
729 * then it's possible that might have failed in the initfn, but
730 * this is the first point where we can report it.
732 if (cpu
->host_cpu_probe_failed
) {
733 if (!kvm_enabled()) {
734 error_setg(errp
, "The 'host' CPU type can only be used with KVM");
736 error_setg(errp
, "Failed to retrieve host CPU features");
741 cpu_exec_realizefn(cs
, &local_err
);
742 if (local_err
!= NULL
) {
743 error_propagate(errp
, local_err
);
747 /* Some features automatically imply others: */
748 if (arm_feature(env
, ARM_FEATURE_V8
)) {
749 set_feature(env
, ARM_FEATURE_V7
);
750 set_feature(env
, ARM_FEATURE_ARM_DIV
);
751 set_feature(env
, ARM_FEATURE_LPAE
);
753 if (arm_feature(env
, ARM_FEATURE_V7
)) {
754 set_feature(env
, ARM_FEATURE_VAPA
);
755 set_feature(env
, ARM_FEATURE_THUMB2
);
756 set_feature(env
, ARM_FEATURE_MPIDR
);
757 if (!arm_feature(env
, ARM_FEATURE_M
)) {
758 set_feature(env
, ARM_FEATURE_V6K
);
760 set_feature(env
, ARM_FEATURE_V6
);
763 /* Always define VBAR for V7 CPUs even if it doesn't exist in
764 * non-EL3 configs. This is needed by some legacy boards.
766 set_feature(env
, ARM_FEATURE_VBAR
);
768 if (arm_feature(env
, ARM_FEATURE_V6K
)) {
769 set_feature(env
, ARM_FEATURE_V6
);
770 set_feature(env
, ARM_FEATURE_MVFR
);
772 if (arm_feature(env
, ARM_FEATURE_V6
)) {
773 set_feature(env
, ARM_FEATURE_V5
);
774 set_feature(env
, ARM_FEATURE_JAZELLE
);
775 if (!arm_feature(env
, ARM_FEATURE_M
)) {
776 set_feature(env
, ARM_FEATURE_AUXCR
);
779 if (arm_feature(env
, ARM_FEATURE_V5
)) {
780 set_feature(env
, ARM_FEATURE_V4T
);
782 if (arm_feature(env
, ARM_FEATURE_M
)) {
783 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
785 if (arm_feature(env
, ARM_FEATURE_ARM_DIV
)) {
786 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
788 if (arm_feature(env
, ARM_FEATURE_VFP4
)) {
789 set_feature(env
, ARM_FEATURE_VFP3
);
790 set_feature(env
, ARM_FEATURE_VFP_FP16
);
792 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
793 set_feature(env
, ARM_FEATURE_VFP
);
795 if (arm_feature(env
, ARM_FEATURE_LPAE
)) {
796 set_feature(env
, ARM_FEATURE_V7MP
);
797 set_feature(env
, ARM_FEATURE_PXN
);
799 if (arm_feature(env
, ARM_FEATURE_CBAR_RO
)) {
800 set_feature(env
, ARM_FEATURE_CBAR
);
802 if (arm_feature(env
, ARM_FEATURE_THUMB2
) &&
803 !arm_feature(env
, ARM_FEATURE_M
)) {
804 set_feature(env
, ARM_FEATURE_THUMB_DSP
);
807 if (arm_feature(env
, ARM_FEATURE_V7
) &&
808 !arm_feature(env
, ARM_FEATURE_M
) &&
809 !arm_feature(env
, ARM_FEATURE_PMSA
)) {
810 /* v7VMSA drops support for the old ARMv5 tiny pages, so we
815 /* For CPUs which might have tiny 1K pages, or which have an
816 * MPU and might have small region sizes, stick with 1K pages.
820 if (!set_preferred_target_page_bits(pagebits
)) {
821 /* This can only ever happen for hotplugging a CPU, or if
822 * the board code incorrectly creates a CPU which it has
823 * promised via minimum_page_size that it will not.
825 error_setg(errp
, "This CPU requires a smaller page size than the "
830 /* This cpu-id-to-MPIDR affinity is used only for TCG; KVM will override it.
831 * We don't support setting cluster ID ([16..23]) (known as Aff2
832 * in later ARM ARM versions), or any of the higher affinity level fields,
833 * so these bits always RAZ.
835 if (cpu
->mp_affinity
== ARM64_AFFINITY_INVALID
) {
836 cpu
->mp_affinity
= arm_cpu_mp_affinity(cs
->cpu_index
,
837 ARM_DEFAULT_CPUS_PER_CLUSTER
);
840 if (cpu
->reset_hivecs
) {
841 cpu
->reset_sctlr
|= (1 << 13);
845 if (arm_feature(&cpu
->env
, ARM_FEATURE_V7
)) {
846 cpu
->reset_sctlr
|= SCTLR_EE
;
848 cpu
->reset_sctlr
|= SCTLR_B
;
853 /* If the has_el3 CPU property is disabled then we need to disable the
856 unset_feature(env
, ARM_FEATURE_EL3
);
858 /* Disable the security extension feature bits in the processor feature
859 * registers as well. These are id_pfr1[7:4] and id_aa64pfr0[15:12].
861 cpu
->id_pfr1
&= ~0xf0;
862 cpu
->id_aa64pfr0
&= ~0xf000;
866 unset_feature(env
, ARM_FEATURE_EL2
);
870 unset_feature(env
, ARM_FEATURE_PMU
);
871 cpu
->id_aa64dfr0
&= ~0xf00;
874 if (!arm_feature(env
, ARM_FEATURE_EL2
)) {
875 /* Disable the hypervisor feature bits in the processor feature
876 * registers if we don't have EL2. These are id_pfr1[15:12] and
877 * id_aa64pfr0_el1[11:8].
879 cpu
->id_aa64pfr0
&= ~0xf00;
880 cpu
->id_pfr1
&= ~0xf000;
883 /* MPU can be configured out of a PMSA CPU either by setting has-mpu
884 * to false or by setting pmsav7-dregion to 0.
887 cpu
->pmsav7_dregion
= 0;
889 if (cpu
->pmsav7_dregion
== 0) {
890 cpu
->has_mpu
= false;
893 if (arm_feature(env
, ARM_FEATURE_PMSA
) &&
894 arm_feature(env
, ARM_FEATURE_V7
)) {
895 uint32_t nr
= cpu
->pmsav7_dregion
;
898 error_setg(errp
, "PMSAv7 MPU #regions invalid %" PRIu32
, nr
);
903 if (arm_feature(env
, ARM_FEATURE_V8
)) {
905 env
->pmsav8
.rbar
[M_REG_NS
] = g_new0(uint32_t, nr
);
906 env
->pmsav8
.rlar
[M_REG_NS
] = g_new0(uint32_t, nr
);
907 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
908 env
->pmsav8
.rbar
[M_REG_S
] = g_new0(uint32_t, nr
);
909 env
->pmsav8
.rlar
[M_REG_S
] = g_new0(uint32_t, nr
);
912 env
->pmsav7
.drbar
= g_new0(uint32_t, nr
);
913 env
->pmsav7
.drsr
= g_new0(uint32_t, nr
);
914 env
->pmsav7
.dracr
= g_new0(uint32_t, nr
);
919 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
920 uint32_t nr
= cpu
->sau_sregion
;
923 error_setg(errp
, "v8M SAU #regions invalid %" PRIu32
, nr
);
928 env
->sau
.rbar
= g_new0(uint32_t, nr
);
929 env
->sau
.rlar
= g_new0(uint32_t, nr
);
933 if (arm_feature(env
, ARM_FEATURE_EL3
)) {
934 set_feature(env
, ARM_FEATURE_VBAR
);
937 register_cp_regs_for_features(cpu
);
938 arm_cpu_register_gdb_regs_for_features(cpu
);
940 init_cpreg_list(cpu
);
942 #ifndef CONFIG_USER_ONLY
943 if (cpu
->has_el3
|| arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
946 if (!cpu
->secure_memory
) {
947 cpu
->secure_memory
= cs
->memory
;
949 cpu_address_space_init(cs
, ARMASIdx_S
, "cpu-secure-memory",
954 cpu_address_space_init(cs
, ARMASIdx_NS
, "cpu-memory", cs
->memory
);
956 /* No core_count specified, default to smp_cpus. */
957 if (cpu
->core_count
== -1) {
958 cpu
->core_count
= smp_cpus
;
965 acc
->parent_realize(dev
, errp
);
968 static ObjectClass
*arm_cpu_class_by_name(const char *cpu_model
)
973 const char *cpunamestr
;
975 cpuname
= g_strsplit(cpu_model
, ",", 1);
976 cpunamestr
= cpuname
[0];
977 #ifdef CONFIG_USER_ONLY
978 /* For backwards compatibility usermode emulation allows "-cpu any",
979 * which has the same semantics as "-cpu max".
981 if (!strcmp(cpunamestr
, "any")) {
985 typename
= g_strdup_printf(ARM_CPU_TYPE_NAME("%s"), cpunamestr
);
986 oc
= object_class_by_name(typename
);
989 if (!oc
|| !object_class_dynamic_cast(oc
, TYPE_ARM_CPU
) ||
990 object_class_is_abstract(oc
)) {
996 /* CPU models. These are not needed for the AArch64 linux-user build. */
997 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
999 static void arm926_initfn(Object
*obj
)
1001 ARMCPU
*cpu
= ARM_CPU(obj
);
1003 cpu
->dtb_compatible
= "arm,arm926";
1004 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1005 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1006 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1007 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
1008 set_feature(&cpu
->env
, ARM_FEATURE_JAZELLE
);
1009 cpu
->midr
= 0x41069265;
1010 cpu
->reset_fpsid
= 0x41011090;
1011 cpu
->ctr
= 0x1dd20d2;
1012 cpu
->reset_sctlr
= 0x00090078;
1015 static void arm946_initfn(Object
*obj
)
1017 ARMCPU
*cpu
= ARM_CPU(obj
);
1019 cpu
->dtb_compatible
= "arm,arm946";
1020 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1021 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
1022 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1023 cpu
->midr
= 0x41059461;
1024 cpu
->ctr
= 0x0f004006;
1025 cpu
->reset_sctlr
= 0x00000078;
1028 static void arm1026_initfn(Object
*obj
)
1030 ARMCPU
*cpu
= ARM_CPU(obj
);
1032 cpu
->dtb_compatible
= "arm,arm1026";
1033 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1034 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1035 set_feature(&cpu
->env
, ARM_FEATURE_AUXCR
);
1036 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1037 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
1038 set_feature(&cpu
->env
, ARM_FEATURE_JAZELLE
);
1039 cpu
->midr
= 0x4106a262;
1040 cpu
->reset_fpsid
= 0x410110a0;
1041 cpu
->ctr
= 0x1dd20d2;
1042 cpu
->reset_sctlr
= 0x00090078;
1043 cpu
->reset_auxcr
= 1;
1045 /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
1046 ARMCPRegInfo ifar
= {
1047 .name
= "IFAR", .cp
= 15, .crn
= 6, .crm
= 0, .opc1
= 0, .opc2
= 1,
1049 .fieldoffset
= offsetof(CPUARMState
, cp15
.ifar_ns
),
1052 define_one_arm_cp_reg(cpu
, &ifar
);
1056 static void arm1136_r2_initfn(Object
*obj
)
1058 ARMCPU
*cpu
= ARM_CPU(obj
);
1059 /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
1060 * older core than plain "arm1136". In particular this does not
1061 * have the v6K features.
1062 * These ID register values are correct for 1136 but may be wrong
1063 * for 1136_r2 (in particular r0p2 does not actually implement most
1064 * of the ID registers).
1067 cpu
->dtb_compatible
= "arm,arm1136";
1068 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
1069 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1070 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1071 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1072 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1073 cpu
->midr
= 0x4107b362;
1074 cpu
->reset_fpsid
= 0x410120b4;
1075 cpu
->mvfr0
= 0x11111111;
1076 cpu
->mvfr1
= 0x00000000;
1077 cpu
->ctr
= 0x1dd20d2;
1078 cpu
->reset_sctlr
= 0x00050078;
1079 cpu
->id_pfr0
= 0x111;
1083 cpu
->id_mmfr0
= 0x01130003;
1084 cpu
->id_mmfr1
= 0x10030302;
1085 cpu
->id_mmfr2
= 0x01222110;
1086 cpu
->id_isar0
= 0x00140011;
1087 cpu
->id_isar1
= 0x12002111;
1088 cpu
->id_isar2
= 0x11231111;
1089 cpu
->id_isar3
= 0x01102131;
1090 cpu
->id_isar4
= 0x141;
1091 cpu
->reset_auxcr
= 7;
1094 static void arm1136_initfn(Object
*obj
)
1096 ARMCPU
*cpu
= ARM_CPU(obj
);
1098 cpu
->dtb_compatible
= "arm,arm1136";
1099 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1100 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
1101 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1102 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1103 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1104 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1105 cpu
->midr
= 0x4117b363;
1106 cpu
->reset_fpsid
= 0x410120b4;
1107 cpu
->mvfr0
= 0x11111111;
1108 cpu
->mvfr1
= 0x00000000;
1109 cpu
->ctr
= 0x1dd20d2;
1110 cpu
->reset_sctlr
= 0x00050078;
1111 cpu
->id_pfr0
= 0x111;
1115 cpu
->id_mmfr0
= 0x01130003;
1116 cpu
->id_mmfr1
= 0x10030302;
1117 cpu
->id_mmfr2
= 0x01222110;
1118 cpu
->id_isar0
= 0x00140011;
1119 cpu
->id_isar1
= 0x12002111;
1120 cpu
->id_isar2
= 0x11231111;
1121 cpu
->id_isar3
= 0x01102131;
1122 cpu
->id_isar4
= 0x141;
1123 cpu
->reset_auxcr
= 7;
1126 static void arm1176_initfn(Object
*obj
)
1128 ARMCPU
*cpu
= ARM_CPU(obj
);
1130 cpu
->dtb_compatible
= "arm,arm1176";
1131 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1132 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1133 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
1134 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1135 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1136 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1137 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1138 cpu
->midr
= 0x410fb767;
1139 cpu
->reset_fpsid
= 0x410120b5;
1140 cpu
->mvfr0
= 0x11111111;
1141 cpu
->mvfr1
= 0x00000000;
1142 cpu
->ctr
= 0x1dd20d2;
1143 cpu
->reset_sctlr
= 0x00050078;
1144 cpu
->id_pfr0
= 0x111;
1145 cpu
->id_pfr1
= 0x11;
1146 cpu
->id_dfr0
= 0x33;
1148 cpu
->id_mmfr0
= 0x01130003;
1149 cpu
->id_mmfr1
= 0x10030302;
1150 cpu
->id_mmfr2
= 0x01222100;
1151 cpu
->id_isar0
= 0x0140011;
1152 cpu
->id_isar1
= 0x12002111;
1153 cpu
->id_isar2
= 0x11231121;
1154 cpu
->id_isar3
= 0x01102131;
1155 cpu
->id_isar4
= 0x01141;
1156 cpu
->reset_auxcr
= 7;
1159 static void arm11mpcore_initfn(Object
*obj
)
1161 ARMCPU
*cpu
= ARM_CPU(obj
);
1163 cpu
->dtb_compatible
= "arm,arm11mpcore";
1164 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1165 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1166 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
1167 set_feature(&cpu
->env
, ARM_FEATURE_MPIDR
);
1168 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1169 cpu
->midr
= 0x410fb022;
1170 cpu
->reset_fpsid
= 0x410120b4;
1171 cpu
->mvfr0
= 0x11111111;
1172 cpu
->mvfr1
= 0x00000000;
1173 cpu
->ctr
= 0x1d192992; /* 32K icache 32K dcache */
1174 cpu
->id_pfr0
= 0x111;
1178 cpu
->id_mmfr0
= 0x01100103;
1179 cpu
->id_mmfr1
= 0x10020302;
1180 cpu
->id_mmfr2
= 0x01222000;
1181 cpu
->id_isar0
= 0x00100011;
1182 cpu
->id_isar1
= 0x12002111;
1183 cpu
->id_isar2
= 0x11221011;
1184 cpu
->id_isar3
= 0x01102131;
1185 cpu
->id_isar4
= 0x141;
1186 cpu
->reset_auxcr
= 1;
1189 static void cortex_m3_initfn(Object
*obj
)
1191 ARMCPU
*cpu
= ARM_CPU(obj
);
1192 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1193 set_feature(&cpu
->env
, ARM_FEATURE_M
);
1194 cpu
->midr
= 0x410fc231;
1195 cpu
->pmsav7_dregion
= 8;
1196 cpu
->id_pfr0
= 0x00000030;
1197 cpu
->id_pfr1
= 0x00000200;
1198 cpu
->id_dfr0
= 0x00100000;
1199 cpu
->id_afr0
= 0x00000000;
1200 cpu
->id_mmfr0
= 0x00000030;
1201 cpu
->id_mmfr1
= 0x00000000;
1202 cpu
->id_mmfr2
= 0x00000000;
1203 cpu
->id_mmfr3
= 0x00000000;
1204 cpu
->id_isar0
= 0x01141110;
1205 cpu
->id_isar1
= 0x02111000;
1206 cpu
->id_isar2
= 0x21112231;
1207 cpu
->id_isar3
= 0x01111110;
1208 cpu
->id_isar4
= 0x01310102;
1209 cpu
->id_isar5
= 0x00000000;
1212 static void cortex_m4_initfn(Object
*obj
)
1214 ARMCPU
*cpu
= ARM_CPU(obj
);
1216 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1217 set_feature(&cpu
->env
, ARM_FEATURE_M
);
1218 set_feature(&cpu
->env
, ARM_FEATURE_THUMB_DSP
);
1219 cpu
->midr
= 0x410fc240; /* r0p0 */
1220 cpu
->pmsav7_dregion
= 8;
1221 cpu
->id_pfr0
= 0x00000030;
1222 cpu
->id_pfr1
= 0x00000200;
1223 cpu
->id_dfr0
= 0x00100000;
1224 cpu
->id_afr0
= 0x00000000;
1225 cpu
->id_mmfr0
= 0x00000030;
1226 cpu
->id_mmfr1
= 0x00000000;
1227 cpu
->id_mmfr2
= 0x00000000;
1228 cpu
->id_mmfr3
= 0x00000000;
1229 cpu
->id_isar0
= 0x01141110;
1230 cpu
->id_isar1
= 0x02111000;
1231 cpu
->id_isar2
= 0x21112231;
1232 cpu
->id_isar3
= 0x01111110;
1233 cpu
->id_isar4
= 0x01310102;
1234 cpu
->id_isar5
= 0x00000000;
1237 static void cortex_m33_initfn(Object
*obj
)
1239 ARMCPU
*cpu
= ARM_CPU(obj
);
1241 set_feature(&cpu
->env
, ARM_FEATURE_V8
);
1242 set_feature(&cpu
->env
, ARM_FEATURE_M
);
1243 set_feature(&cpu
->env
, ARM_FEATURE_M_SECURITY
);
1244 set_feature(&cpu
->env
, ARM_FEATURE_THUMB_DSP
);
1245 cpu
->midr
= 0x410fd213; /* r0p3 */
1246 cpu
->pmsav7_dregion
= 16;
1247 cpu
->sau_sregion
= 8;
1248 cpu
->id_pfr0
= 0x00000030;
1249 cpu
->id_pfr1
= 0x00000210;
1250 cpu
->id_dfr0
= 0x00200000;
1251 cpu
->id_afr0
= 0x00000000;
1252 cpu
->id_mmfr0
= 0x00101F40;
1253 cpu
->id_mmfr1
= 0x00000000;
1254 cpu
->id_mmfr2
= 0x01000000;
1255 cpu
->id_mmfr3
= 0x00000000;
1256 cpu
->id_isar0
= 0x01101110;
1257 cpu
->id_isar1
= 0x02212000;
1258 cpu
->id_isar2
= 0x20232232;
1259 cpu
->id_isar3
= 0x01111131;
1260 cpu
->id_isar4
= 0x01310132;
1261 cpu
->id_isar5
= 0x00000000;
1262 cpu
->clidr
= 0x00000000;
1263 cpu
->ctr
= 0x8000c000;
1266 static void arm_v7m_class_init(ObjectClass
*oc
, void *data
)
1268 CPUClass
*cc
= CPU_CLASS(oc
);
1270 #ifndef CONFIG_USER_ONLY
1271 cc
->do_interrupt
= arm_v7m_cpu_do_interrupt
;
1274 cc
->cpu_exec_interrupt
= arm_v7m_cpu_exec_interrupt
;
1277 static const ARMCPRegInfo cortexr5_cp_reginfo
[] = {
1278 /* Dummy the TCM region regs for the moment */
1279 { .name
= "ATCM", .cp
= 15, .opc1
= 0, .crn
= 9, .crm
= 1, .opc2
= 0,
1280 .access
= PL1_RW
, .type
= ARM_CP_CONST
},
1281 { .name
= "BTCM", .cp
= 15, .opc1
= 0, .crn
= 9, .crm
= 1, .opc2
= 1,
1282 .access
= PL1_RW
, .type
= ARM_CP_CONST
},
1283 { .name
= "DCACHE_INVAL", .cp
= 15, .opc1
= 0, .crn
= 15, .crm
= 5,
1284 .opc2
= 0, .access
= PL1_W
, .type
= ARM_CP_NOP
},
1288 static void cortex_r5_initfn(Object
*obj
)
1290 ARMCPU
*cpu
= ARM_CPU(obj
);
1292 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1293 set_feature(&cpu
->env
, ARM_FEATURE_THUMB_DIV
);
1294 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1295 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
1296 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
1297 cpu
->midr
= 0x411fc153; /* r1p3 */
1298 cpu
->id_pfr0
= 0x0131;
1299 cpu
->id_pfr1
= 0x001;
1300 cpu
->id_dfr0
= 0x010400;
1302 cpu
->id_mmfr0
= 0x0210030;
1303 cpu
->id_mmfr1
= 0x00000000;
1304 cpu
->id_mmfr2
= 0x01200000;
1305 cpu
->id_mmfr3
= 0x0211;
1306 cpu
->id_isar0
= 0x2101111;
1307 cpu
->id_isar1
= 0x13112111;
1308 cpu
->id_isar2
= 0x21232141;
1309 cpu
->id_isar3
= 0x01112131;
1310 cpu
->id_isar4
= 0x0010142;
1311 cpu
->id_isar5
= 0x0;
1312 cpu
->mp_is_up
= true;
1313 cpu
->pmsav7_dregion
= 16;
1314 define_arm_cp_regs(cpu
, cortexr5_cp_reginfo
);
1317 static const ARMCPRegInfo cortexa8_cp_reginfo
[] = {
1318 { .name
= "L2LOCKDOWN", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 0,
1319 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1320 { .name
= "L2AUXCR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
1321 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1325 static void cortex_a8_initfn(Object
*obj
)
1327 ARMCPU
*cpu
= ARM_CPU(obj
);
1329 cpu
->dtb_compatible
= "arm,cortex-a8";
1330 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1331 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
1332 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1333 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1334 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1335 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1336 cpu
->midr
= 0x410fc080;
1337 cpu
->reset_fpsid
= 0x410330c0;
1338 cpu
->mvfr0
= 0x11110222;
1339 cpu
->mvfr1
= 0x00011111;
1340 cpu
->ctr
= 0x82048004;
1341 cpu
->reset_sctlr
= 0x00c50078;
1342 cpu
->id_pfr0
= 0x1031;
1343 cpu
->id_pfr1
= 0x11;
1344 cpu
->id_dfr0
= 0x400;
1346 cpu
->id_mmfr0
= 0x31100003;
1347 cpu
->id_mmfr1
= 0x20000000;
1348 cpu
->id_mmfr2
= 0x01202000;
1349 cpu
->id_mmfr3
= 0x11;
1350 cpu
->id_isar0
= 0x00101111;
1351 cpu
->id_isar1
= 0x12112111;
1352 cpu
->id_isar2
= 0x21232031;
1353 cpu
->id_isar3
= 0x11112131;
1354 cpu
->id_isar4
= 0x00111142;
1355 cpu
->dbgdidr
= 0x15141000;
1356 cpu
->clidr
= (1 << 27) | (2 << 24) | 3;
1357 cpu
->ccsidr
[0] = 0xe007e01a; /* 16k L1 dcache. */
1358 cpu
->ccsidr
[1] = 0x2007e01a; /* 16k L1 icache. */
1359 cpu
->ccsidr
[2] = 0xf0000000; /* No L2 icache. */
1360 cpu
->reset_auxcr
= 2;
1361 define_arm_cp_regs(cpu
, cortexa8_cp_reginfo
);
1364 static const ARMCPRegInfo cortexa9_cp_reginfo
[] = {
1365 /* power_control should be set to maximum latency. Again,
1366 * default to 0 and set by private hook
1368 { .name
= "A9_PWRCTL", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 0,
1369 .access
= PL1_RW
, .resetvalue
= 0,
1370 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_control
) },
1371 { .name
= "A9_DIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 1,
1372 .access
= PL1_RW
, .resetvalue
= 0,
1373 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_diagnostic
) },
1374 { .name
= "A9_PWRDIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 2,
1375 .access
= PL1_RW
, .resetvalue
= 0,
1376 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_diagnostic
) },
1377 { .name
= "NEONBUSY", .cp
= 15, .crn
= 15, .crm
= 1, .opc1
= 0, .opc2
= 0,
1378 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1379 /* TLB lockdown control */
1380 { .name
= "TLB_LOCKR", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 2,
1381 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
1382 { .name
= "TLB_LOCKW", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 4,
1383 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
1384 { .name
= "TLB_VA", .cp
= 15, .crn
= 15, .crm
= 5, .opc1
= 5, .opc2
= 2,
1385 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1386 { .name
= "TLB_PA", .cp
= 15, .crn
= 15, .crm
= 6, .opc1
= 5, .opc2
= 2,
1387 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1388 { .name
= "TLB_ATTR", .cp
= 15, .crn
= 15, .crm
= 7, .opc1
= 5, .opc2
= 2,
1389 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1393 static void cortex_a9_initfn(Object
*obj
)
1395 ARMCPU
*cpu
= ARM_CPU(obj
);
1397 cpu
->dtb_compatible
= "arm,cortex-a9";
1398 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1399 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
1400 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
1401 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1402 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1403 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1404 /* Note that A9 supports the MP extensions even for
1405 * A9UP and single-core A9MP (which are both different
1406 * and valid configurations; we don't model A9UP).
1408 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
1409 set_feature(&cpu
->env
, ARM_FEATURE_CBAR
);
1410 cpu
->midr
= 0x410fc090;
1411 cpu
->reset_fpsid
= 0x41033090;
1412 cpu
->mvfr0
= 0x11110222;
1413 cpu
->mvfr1
= 0x01111111;
1414 cpu
->ctr
= 0x80038003;
1415 cpu
->reset_sctlr
= 0x00c50078;
1416 cpu
->id_pfr0
= 0x1031;
1417 cpu
->id_pfr1
= 0x11;
1418 cpu
->id_dfr0
= 0x000;
1420 cpu
->id_mmfr0
= 0x00100103;
1421 cpu
->id_mmfr1
= 0x20000000;
1422 cpu
->id_mmfr2
= 0x01230000;
1423 cpu
->id_mmfr3
= 0x00002111;
1424 cpu
->id_isar0
= 0x00101111;
1425 cpu
->id_isar1
= 0x13112111;
1426 cpu
->id_isar2
= 0x21232041;
1427 cpu
->id_isar3
= 0x11112131;
1428 cpu
->id_isar4
= 0x00111142;
1429 cpu
->dbgdidr
= 0x35141000;
1430 cpu
->clidr
= (1 << 27) | (1 << 24) | 3;
1431 cpu
->ccsidr
[0] = 0xe00fe019; /* 16k L1 dcache. */
1432 cpu
->ccsidr
[1] = 0x200fe019; /* 16k L1 icache. */
1433 define_arm_cp_regs(cpu
, cortexa9_cp_reginfo
);
1436 #ifndef CONFIG_USER_ONLY
1437 static uint64_t a15_l2ctlr_read(CPUARMState
*env
, const ARMCPRegInfo
*ri
)
1439 /* Linux wants the number of processors from here.
1440 * Might as well set the interrupt-controller bit too.
1442 return ((smp_cpus
- 1) << 24) | (1 << 23);
1446 static const ARMCPRegInfo cortexa15_cp_reginfo
[] = {
1447 #ifndef CONFIG_USER_ONLY
1448 { .name
= "L2CTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
1449 .access
= PL1_RW
, .resetvalue
= 0, .readfn
= a15_l2ctlr_read
,
1450 .writefn
= arm_cp_write_ignore
, },
1452 { .name
= "L2ECTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 3,
1453 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1457 static void cortex_a7_initfn(Object
*obj
)
1459 ARMCPU
*cpu
= ARM_CPU(obj
);
1461 cpu
->dtb_compatible
= "arm,cortex-a7";
1462 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1463 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1464 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1465 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1466 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1467 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
1468 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1469 set_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
);
1470 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
1471 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1472 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_CORTEX_A7
;
1473 cpu
->midr
= 0x410fc075;
1474 cpu
->reset_fpsid
= 0x41023075;
1475 cpu
->mvfr0
= 0x10110222;
1476 cpu
->mvfr1
= 0x11111111;
1477 cpu
->ctr
= 0x84448003;
1478 cpu
->reset_sctlr
= 0x00c50078;
1479 cpu
->id_pfr0
= 0x00001131;
1480 cpu
->id_pfr1
= 0x00011011;
1481 cpu
->id_dfr0
= 0x02010555;
1482 cpu
->pmceid0
= 0x00000000;
1483 cpu
->pmceid1
= 0x00000000;
1484 cpu
->id_afr0
= 0x00000000;
1485 cpu
->id_mmfr0
= 0x10101105;
1486 cpu
->id_mmfr1
= 0x40000000;
1487 cpu
->id_mmfr2
= 0x01240000;
1488 cpu
->id_mmfr3
= 0x02102211;
1489 cpu
->id_isar0
= 0x01101110;
1490 cpu
->id_isar1
= 0x13112111;
1491 cpu
->id_isar2
= 0x21232041;
1492 cpu
->id_isar3
= 0x11112131;
1493 cpu
->id_isar4
= 0x10011142;
1494 cpu
->dbgdidr
= 0x3515f005;
1495 cpu
->clidr
= 0x0a200023;
1496 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
1497 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
1498 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
1499 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
); /* Same as A15 */
1502 static void cortex_a15_initfn(Object
*obj
)
1504 ARMCPU
*cpu
= ARM_CPU(obj
);
1506 cpu
->dtb_compatible
= "arm,cortex-a15";
1507 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1508 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1509 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1510 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1511 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1512 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
1513 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1514 set_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
);
1515 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
1516 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1517 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_CORTEX_A15
;
1518 cpu
->midr
= 0x412fc0f1;
1519 cpu
->reset_fpsid
= 0x410430f0;
1520 cpu
->mvfr0
= 0x10110222;
1521 cpu
->mvfr1
= 0x11111111;
1522 cpu
->ctr
= 0x8444c004;
1523 cpu
->reset_sctlr
= 0x00c50078;
1524 cpu
->id_pfr0
= 0x00001131;
1525 cpu
->id_pfr1
= 0x00011011;
1526 cpu
->id_dfr0
= 0x02010555;
1527 cpu
->pmceid0
= 0x0000000;
1528 cpu
->pmceid1
= 0x00000000;
1529 cpu
->id_afr0
= 0x00000000;
1530 cpu
->id_mmfr0
= 0x10201105;
1531 cpu
->id_mmfr1
= 0x20000000;
1532 cpu
->id_mmfr2
= 0x01240000;
1533 cpu
->id_mmfr3
= 0x02102211;
1534 cpu
->id_isar0
= 0x02101110;
1535 cpu
->id_isar1
= 0x13112111;
1536 cpu
->id_isar2
= 0x21232041;
1537 cpu
->id_isar3
= 0x11112131;
1538 cpu
->id_isar4
= 0x10011142;
1539 cpu
->dbgdidr
= 0x3515f021;
1540 cpu
->clidr
= 0x0a200023;
1541 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
1542 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
1543 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
1544 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
);
1547 static void ti925t_initfn(Object
*obj
)
1549 ARMCPU
*cpu
= ARM_CPU(obj
);
1550 set_feature(&cpu
->env
, ARM_FEATURE_V4T
);
1551 set_feature(&cpu
->env
, ARM_FEATURE_OMAPCP
);
1552 cpu
->midr
= ARM_CPUID_TI925T
;
1553 cpu
->ctr
= 0x5109149;
1554 cpu
->reset_sctlr
= 0x00000070;
1557 static void sa1100_initfn(Object
*obj
)
1559 ARMCPU
*cpu
= ARM_CPU(obj
);
1561 cpu
->dtb_compatible
= "intel,sa1100";
1562 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
1563 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1564 cpu
->midr
= 0x4401A11B;
1565 cpu
->reset_sctlr
= 0x00000070;
1568 static void sa1110_initfn(Object
*obj
)
1570 ARMCPU
*cpu
= ARM_CPU(obj
);
1571 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
1572 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1573 cpu
->midr
= 0x6901B119;
1574 cpu
->reset_sctlr
= 0x00000070;
1577 static void pxa250_initfn(Object
*obj
)
1579 ARMCPU
*cpu
= ARM_CPU(obj
);
1581 cpu
->dtb_compatible
= "marvell,xscale";
1582 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1583 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1584 cpu
->midr
= 0x69052100;
1585 cpu
->ctr
= 0xd172172;
1586 cpu
->reset_sctlr
= 0x00000078;
1589 static void pxa255_initfn(Object
*obj
)
1591 ARMCPU
*cpu
= ARM_CPU(obj
);
1593 cpu
->dtb_compatible
= "marvell,xscale";
1594 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1595 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1596 cpu
->midr
= 0x69052d00;
1597 cpu
->ctr
= 0xd172172;
1598 cpu
->reset_sctlr
= 0x00000078;
1601 static void pxa260_initfn(Object
*obj
)
1603 ARMCPU
*cpu
= ARM_CPU(obj
);
1605 cpu
->dtb_compatible
= "marvell,xscale";
1606 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1607 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1608 cpu
->midr
= 0x69052903;
1609 cpu
->ctr
= 0xd172172;
1610 cpu
->reset_sctlr
= 0x00000078;
1613 static void pxa261_initfn(Object
*obj
)
1615 ARMCPU
*cpu
= ARM_CPU(obj
);
1617 cpu
->dtb_compatible
= "marvell,xscale";
1618 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1619 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1620 cpu
->midr
= 0x69052d05;
1621 cpu
->ctr
= 0xd172172;
1622 cpu
->reset_sctlr
= 0x00000078;
1625 static void pxa262_initfn(Object
*obj
)
1627 ARMCPU
*cpu
= ARM_CPU(obj
);
1629 cpu
->dtb_compatible
= "marvell,xscale";
1630 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1631 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1632 cpu
->midr
= 0x69052d06;
1633 cpu
->ctr
= 0xd172172;
1634 cpu
->reset_sctlr
= 0x00000078;
1637 static void pxa270a0_initfn(Object
*obj
)
1639 ARMCPU
*cpu
= ARM_CPU(obj
);
1641 cpu
->dtb_compatible
= "marvell,xscale";
1642 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1643 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1644 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1645 cpu
->midr
= 0x69054110;
1646 cpu
->ctr
= 0xd172172;
1647 cpu
->reset_sctlr
= 0x00000078;
1650 static void pxa270a1_initfn(Object
*obj
)
1652 ARMCPU
*cpu
= ARM_CPU(obj
);
1654 cpu
->dtb_compatible
= "marvell,xscale";
1655 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1656 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1657 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1658 cpu
->midr
= 0x69054111;
1659 cpu
->ctr
= 0xd172172;
1660 cpu
->reset_sctlr
= 0x00000078;
1663 static void pxa270b0_initfn(Object
*obj
)
1665 ARMCPU
*cpu
= ARM_CPU(obj
);
1667 cpu
->dtb_compatible
= "marvell,xscale";
1668 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1669 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1670 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1671 cpu
->midr
= 0x69054112;
1672 cpu
->ctr
= 0xd172172;
1673 cpu
->reset_sctlr
= 0x00000078;
1676 static void pxa270b1_initfn(Object
*obj
)
1678 ARMCPU
*cpu
= ARM_CPU(obj
);
1680 cpu
->dtb_compatible
= "marvell,xscale";
1681 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1682 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1683 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1684 cpu
->midr
= 0x69054113;
1685 cpu
->ctr
= 0xd172172;
1686 cpu
->reset_sctlr
= 0x00000078;
1689 static void pxa270c0_initfn(Object
*obj
)
1691 ARMCPU
*cpu
= ARM_CPU(obj
);
1693 cpu
->dtb_compatible
= "marvell,xscale";
1694 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1695 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1696 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1697 cpu
->midr
= 0x69054114;
1698 cpu
->ctr
= 0xd172172;
1699 cpu
->reset_sctlr
= 0x00000078;
1702 static void pxa270c5_initfn(Object
*obj
)
1704 ARMCPU
*cpu
= ARM_CPU(obj
);
1706 cpu
->dtb_compatible
= "marvell,xscale";
1707 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1708 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1709 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1710 cpu
->midr
= 0x69054117;
1711 cpu
->ctr
= 0xd172172;
1712 cpu
->reset_sctlr
= 0x00000078;
1715 #ifndef TARGET_AARCH64
1716 /* -cpu max: if KVM is enabled, like -cpu host (best possible with this host);
1717 * otherwise, a CPU with as many features enabled as our emulation supports.
1718 * The version of '-cpu max' for qemu-system-aarch64 is defined in cpu64.c;
1719 * this only needs to handle 32 bits.
1721 static void arm_max_initfn(Object
*obj
)
1723 ARMCPU
*cpu
= ARM_CPU(obj
);
1725 if (kvm_enabled()) {
1726 kvm_arm_set_cpu_features_from_host(cpu
);
1728 cortex_a15_initfn(obj
);
1729 #ifdef CONFIG_USER_ONLY
1730 /* We don't set these in system emulation mode for the moment,
1731 * since we don't correctly set the ID registers to advertise them,
1733 set_feature(&cpu
->env
, ARM_FEATURE_V8
);
1734 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1735 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1736 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1737 set_feature(&cpu
->env
, ARM_FEATURE_V8_AES
);
1738 set_feature(&cpu
->env
, ARM_FEATURE_V8_SHA1
);
1739 set_feature(&cpu
->env
, ARM_FEATURE_V8_SHA256
);
1740 set_feature(&cpu
->env
, ARM_FEATURE_V8_PMULL
);
1741 set_feature(&cpu
->env
, ARM_FEATURE_CRC
);
1742 set_feature(&cpu
->env
, ARM_FEATURE_V8_RDM
);
1743 set_feature(&cpu
->env
, ARM_FEATURE_V8_FCMA
);
1749 #endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */
1751 typedef struct ARMCPUInfo
{
1753 void (*initfn
)(Object
*obj
);
1754 void (*class_init
)(ObjectClass
*oc
, void *data
);
1757 static const ARMCPUInfo arm_cpus
[] = {
1758 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
1759 { .name
= "arm926", .initfn
= arm926_initfn
},
1760 { .name
= "arm946", .initfn
= arm946_initfn
},
1761 { .name
= "arm1026", .initfn
= arm1026_initfn
},
1762 /* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
1763 * older core than plain "arm1136". In particular this does not
1764 * have the v6K features.
1766 { .name
= "arm1136-r2", .initfn
= arm1136_r2_initfn
},
1767 { .name
= "arm1136", .initfn
= arm1136_initfn
},
1768 { .name
= "arm1176", .initfn
= arm1176_initfn
},
1769 { .name
= "arm11mpcore", .initfn
= arm11mpcore_initfn
},
1770 { .name
= "cortex-m3", .initfn
= cortex_m3_initfn
,
1771 .class_init
= arm_v7m_class_init
},
1772 { .name
= "cortex-m4", .initfn
= cortex_m4_initfn
,
1773 .class_init
= arm_v7m_class_init
},
1774 { .name
= "cortex-m33", .initfn
= cortex_m33_initfn
,
1775 .class_init
= arm_v7m_class_init
},
1776 { .name
= "cortex-r5", .initfn
= cortex_r5_initfn
},
1777 { .name
= "cortex-a7", .initfn
= cortex_a7_initfn
},
1778 { .name
= "cortex-a8", .initfn
= cortex_a8_initfn
},
1779 { .name
= "cortex-a9", .initfn
= cortex_a9_initfn
},
1780 { .name
= "cortex-a15", .initfn
= cortex_a15_initfn
},
1781 { .name
= "ti925t", .initfn
= ti925t_initfn
},
1782 { .name
= "sa1100", .initfn
= sa1100_initfn
},
1783 { .name
= "sa1110", .initfn
= sa1110_initfn
},
1784 { .name
= "pxa250", .initfn
= pxa250_initfn
},
1785 { .name
= "pxa255", .initfn
= pxa255_initfn
},
1786 { .name
= "pxa260", .initfn
= pxa260_initfn
},
1787 { .name
= "pxa261", .initfn
= pxa261_initfn
},
1788 { .name
= "pxa262", .initfn
= pxa262_initfn
},
1789 /* "pxa270" is an alias for "pxa270-a0" */
1790 { .name
= "pxa270", .initfn
= pxa270a0_initfn
},
1791 { .name
= "pxa270-a0", .initfn
= pxa270a0_initfn
},
1792 { .name
= "pxa270-a1", .initfn
= pxa270a1_initfn
},
1793 { .name
= "pxa270-b0", .initfn
= pxa270b0_initfn
},
1794 { .name
= "pxa270-b1", .initfn
= pxa270b1_initfn
},
1795 { .name
= "pxa270-c0", .initfn
= pxa270c0_initfn
},
1796 { .name
= "pxa270-c5", .initfn
= pxa270c5_initfn
},
1797 #ifndef TARGET_AARCH64
1798 { .name
= "max", .initfn
= arm_max_initfn
},
1800 #ifdef CONFIG_USER_ONLY
1801 { .name
= "any", .initfn
= arm_max_initfn
},
1807 static Property arm_cpu_properties
[] = {
1808 DEFINE_PROP_BOOL("start-powered-off", ARMCPU
, start_powered_off
, false),
1809 DEFINE_PROP_UINT32("psci-conduit", ARMCPU
, psci_conduit
, 0),
1810 DEFINE_PROP_UINT32("midr", ARMCPU
, midr
, 0),
1811 DEFINE_PROP_UINT64("mp-affinity", ARMCPU
,
1812 mp_affinity
, ARM64_AFFINITY_INVALID
),
1813 DEFINE_PROP_INT32("node-id", ARMCPU
, node_id
, CPU_UNSET_NUMA_NODE_ID
),
1814 DEFINE_PROP_INT32("core-count", ARMCPU
, core_count
, -1),
1815 DEFINE_PROP_END_OF_LIST()
1818 #ifdef CONFIG_USER_ONLY
1819 static int arm_cpu_handle_mmu_fault(CPUState
*cs
, vaddr address
, int size
,
1820 int rw
, int mmu_idx
)
1822 ARMCPU
*cpu
= ARM_CPU(cs
);
1823 CPUARMState
*env
= &cpu
->env
;
1825 env
->exception
.vaddress
= address
;
1827 cs
->exception_index
= EXCP_PREFETCH_ABORT
;
1829 cs
->exception_index
= EXCP_DATA_ABORT
;
1835 static gchar
*arm_gdb_arch_name(CPUState
*cs
)
1837 ARMCPU
*cpu
= ARM_CPU(cs
);
1838 CPUARMState
*env
= &cpu
->env
;
1840 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
1841 return g_strdup("iwmmxt");
1843 return g_strdup("arm");
1846 static void arm_cpu_class_init(ObjectClass
*oc
, void *data
)
1848 ARMCPUClass
*acc
= ARM_CPU_CLASS(oc
);
1849 CPUClass
*cc
= CPU_CLASS(acc
);
1850 DeviceClass
*dc
= DEVICE_CLASS(oc
);
1852 device_class_set_parent_realize(dc
, arm_cpu_realizefn
,
1853 &acc
->parent_realize
);
1854 dc
->props
= arm_cpu_properties
;
1856 acc
->parent_reset
= cc
->reset
;
1857 cc
->reset
= arm_cpu_reset
;
1859 cc
->class_by_name
= arm_cpu_class_by_name
;
1860 cc
->has_work
= arm_cpu_has_work
;
1861 cc
->cpu_exec_interrupt
= arm_cpu_exec_interrupt
;
1862 cc
->dump_state
= arm_cpu_dump_state
;
1863 cc
->set_pc
= arm_cpu_set_pc
;
1864 cc
->gdb_read_register
= arm_cpu_gdb_read_register
;
1865 cc
->gdb_write_register
= arm_cpu_gdb_write_register
;
1866 #ifdef CONFIG_USER_ONLY
1867 cc
->handle_mmu_fault
= arm_cpu_handle_mmu_fault
;
1869 cc
->do_interrupt
= arm_cpu_do_interrupt
;
1870 cc
->do_unaligned_access
= arm_cpu_do_unaligned_access
;
1871 cc
->do_transaction_failed
= arm_cpu_do_transaction_failed
;
1872 cc
->get_phys_page_attrs_debug
= arm_cpu_get_phys_page_attrs_debug
;
1873 cc
->asidx_from_attrs
= arm_asidx_from_attrs
;
1874 cc
->vmsd
= &vmstate_arm_cpu
;
1875 cc
->virtio_is_big_endian
= arm_cpu_virtio_is_big_endian
;
1876 cc
->write_elf64_note
= arm_cpu_write_elf64_note
;
1877 cc
->write_elf32_note
= arm_cpu_write_elf32_note
;
1879 cc
->gdb_num_core_regs
= 26;
1880 cc
->gdb_core_xml_file
= "arm-core.xml";
1881 cc
->gdb_arch_name
= arm_gdb_arch_name
;
1882 cc
->gdb_stop_before_watchpoint
= true;
1883 cc
->debug_excp_handler
= arm_debug_excp_handler
;
1884 cc
->debug_check_watchpoint
= arm_debug_check_watchpoint
;
1885 #if !defined(CONFIG_USER_ONLY)
1886 cc
->adjust_watchpoint_address
= arm_adjust_watchpoint_address
;
1889 cc
->disas_set_info
= arm_disas_set_info
;
1891 cc
->tcg_initialize
= arm_translate_init
;
1896 static void arm_host_initfn(Object
*obj
)
1898 ARMCPU
*cpu
= ARM_CPU(obj
);
1900 kvm_arm_set_cpu_features_from_host(cpu
);
1903 static const TypeInfo host_arm_cpu_type_info
= {
1904 .name
= TYPE_ARM_HOST_CPU
,
1905 #ifdef TARGET_AARCH64
1906 .parent
= TYPE_AARCH64_CPU
,
1908 .parent
= TYPE_ARM_CPU
,
1910 .instance_init
= arm_host_initfn
,
1915 static void cpu_register(const ARMCPUInfo
*info
)
1917 TypeInfo type_info
= {
1918 .parent
= TYPE_ARM_CPU
,
1919 .instance_size
= sizeof(ARMCPU
),
1920 .instance_init
= info
->initfn
,
1921 .class_size
= sizeof(ARMCPUClass
),
1922 .class_init
= info
->class_init
,
1925 type_info
.name
= g_strdup_printf("%s-" TYPE_ARM_CPU
, info
->name
);
1926 type_register(&type_info
);
1927 g_free((void *)type_info
.name
);
1930 static const TypeInfo arm_cpu_type_info
= {
1931 .name
= TYPE_ARM_CPU
,
1933 .instance_size
= sizeof(ARMCPU
),
1934 .instance_init
= arm_cpu_initfn
,
1935 .instance_post_init
= arm_cpu_post_init
,
1936 .instance_finalize
= arm_cpu_finalizefn
,
1938 .class_size
= sizeof(ARMCPUClass
),
1939 .class_init
= arm_cpu_class_init
,
1942 static const TypeInfo idau_interface_type_info
= {
1943 .name
= TYPE_IDAU_INTERFACE
,
1944 .parent
= TYPE_INTERFACE
,
1945 .class_size
= sizeof(IDAUInterfaceClass
),
1948 static void arm_cpu_register_types(void)
1950 const ARMCPUInfo
*info
= arm_cpus
;
1952 type_register_static(&arm_cpu_type_info
);
1953 type_register_static(&idau_interface_type_info
);
1955 while (info
->name
) {
1961 type_register_static(&host_arm_cpu_type_info
);
1965 type_init(arm_cpu_register_types
)