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 "qemu/error-report.h"
23 #include "qapi/error.h"
25 #include "internals.h"
26 #include "qemu-common.h"
27 #include "exec/exec-all.h"
28 #include "hw/qdev-properties.h"
29 #if !defined(CONFIG_USER_ONLY)
30 #include "hw/loader.h"
32 #include "hw/arm/arm.h"
33 #include "sysemu/sysemu.h"
34 #include "sysemu/hw_accel.h"
37 static void arm_cpu_set_pc(CPUState
*cs
, vaddr value
)
39 ARMCPU
*cpu
= ARM_CPU(cs
);
41 cpu
->env
.regs
[15] = value
;
44 static bool arm_cpu_has_work(CPUState
*cs
)
46 ARMCPU
*cpu
= ARM_CPU(cs
);
48 return (cpu
->power_state
!= PSCI_OFF
)
49 && cs
->interrupt_request
&
50 (CPU_INTERRUPT_FIQ
| CPU_INTERRUPT_HARD
51 | CPU_INTERRUPT_VFIQ
| CPU_INTERRUPT_VIRQ
52 | CPU_INTERRUPT_EXITTB
);
55 void arm_register_el_change_hook(ARMCPU
*cpu
, ARMELChangeHook
*hook
,
58 /* We currently only support registering a single hook function */
59 assert(!cpu
->el_change_hook
);
60 cpu
->el_change_hook
= hook
;
61 cpu
->el_change_hook_opaque
= opaque
;
64 static void cp_reg_reset(gpointer key
, gpointer value
, gpointer opaque
)
66 /* Reset a single ARMCPRegInfo register */
67 ARMCPRegInfo
*ri
= value
;
70 if (ri
->type
& (ARM_CP_SPECIAL
| ARM_CP_ALIAS
)) {
75 ri
->resetfn(&cpu
->env
, ri
);
79 /* A zero offset is never possible as it would be regs[0]
80 * so we use it to indicate that reset is being handled elsewhere.
81 * This is basically only used for fields in non-core coprocessors
82 * (like the pxa2xx ones).
84 if (!ri
->fieldoffset
) {
88 if (cpreg_field_is_64bit(ri
)) {
89 CPREG_FIELD64(&cpu
->env
, ri
) = ri
->resetvalue
;
91 CPREG_FIELD32(&cpu
->env
, ri
) = ri
->resetvalue
;
95 static void cp_reg_check_reset(gpointer key
, gpointer value
, gpointer opaque
)
97 /* Purely an assertion check: we've already done reset once,
98 * so now check that running the reset for the cpreg doesn't
99 * change its value. This traps bugs where two different cpregs
100 * both try to reset the same state field but to different values.
102 ARMCPRegInfo
*ri
= value
;
103 ARMCPU
*cpu
= opaque
;
104 uint64_t oldvalue
, newvalue
;
106 if (ri
->type
& (ARM_CP_SPECIAL
| ARM_CP_ALIAS
| ARM_CP_NO_RAW
)) {
110 oldvalue
= read_raw_cp_reg(&cpu
->env
, ri
);
111 cp_reg_reset(key
, value
, opaque
);
112 newvalue
= read_raw_cp_reg(&cpu
->env
, ri
);
113 assert(oldvalue
== newvalue
);
116 /* CPUClass::reset() */
117 static void arm_cpu_reset(CPUState
*s
)
119 ARMCPU
*cpu
= ARM_CPU(s
);
120 ARMCPUClass
*acc
= ARM_CPU_GET_CLASS(cpu
);
121 CPUARMState
*env
= &cpu
->env
;
123 acc
->parent_reset(s
);
125 memset(env
, 0, offsetof(CPUARMState
, end_reset_fields
));
127 g_hash_table_foreach(cpu
->cp_regs
, cp_reg_reset
, cpu
);
128 g_hash_table_foreach(cpu
->cp_regs
, cp_reg_check_reset
, cpu
);
130 env
->vfp
.xregs
[ARM_VFP_FPSID
] = cpu
->reset_fpsid
;
131 env
->vfp
.xregs
[ARM_VFP_MVFR0
] = cpu
->mvfr0
;
132 env
->vfp
.xregs
[ARM_VFP_MVFR1
] = cpu
->mvfr1
;
133 env
->vfp
.xregs
[ARM_VFP_MVFR2
] = cpu
->mvfr2
;
135 cpu
->power_state
= cpu
->start_powered_off
? PSCI_OFF
: PSCI_ON
;
136 s
->halted
= cpu
->start_powered_off
;
138 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
139 env
->iwmmxt
.cregs
[ARM_IWMMXT_wCID
] = 0x69051000 | 'Q';
142 if (arm_feature(env
, ARM_FEATURE_AARCH64
)) {
143 /* 64 bit CPUs always start in 64 bit mode */
145 #if defined(CONFIG_USER_ONLY)
146 env
->pstate
= PSTATE_MODE_EL0t
;
147 /* Userspace expects access to DC ZVA, CTL_EL0 and the cache ops */
148 env
->cp15
.sctlr_el
[1] |= SCTLR_UCT
| SCTLR_UCI
| SCTLR_DZE
;
149 /* and to the FP/Neon instructions */
150 env
->cp15
.cpacr_el1
= deposit64(env
->cp15
.cpacr_el1
, 20, 2, 3);
152 /* Reset into the highest available EL */
153 if (arm_feature(env
, ARM_FEATURE_EL3
)) {
154 env
->pstate
= PSTATE_MODE_EL3h
;
155 } else if (arm_feature(env
, ARM_FEATURE_EL2
)) {
156 env
->pstate
= PSTATE_MODE_EL2h
;
158 env
->pstate
= PSTATE_MODE_EL1h
;
160 env
->pc
= cpu
->rvbar
;
163 #if defined(CONFIG_USER_ONLY)
164 /* Userspace expects access to cp10 and cp11 for FP/Neon */
165 env
->cp15
.cpacr_el1
= deposit64(env
->cp15
.cpacr_el1
, 20, 4, 0xf);
169 #if defined(CONFIG_USER_ONLY)
170 env
->uncached_cpsr
= ARM_CPU_MODE_USR
;
171 /* For user mode we must enable access to coprocessors */
172 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 1 << 30;
173 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
174 env
->cp15
.c15_cpar
= 3;
175 } else if (arm_feature(env
, ARM_FEATURE_XSCALE
)) {
176 env
->cp15
.c15_cpar
= 1;
179 /* SVC mode with interrupts disabled. */
180 env
->uncached_cpsr
= ARM_CPU_MODE_SVC
;
181 env
->daif
= PSTATE_D
| PSTATE_A
| PSTATE_I
| PSTATE_F
;
183 if (arm_feature(env
, ARM_FEATURE_M
)) {
184 uint32_t initial_msp
; /* Loaded from 0x0 */
185 uint32_t initial_pc
; /* Loaded from 0x4 */
188 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
189 env
->v7m
.secure
= true;
191 /* This bit resets to 0 if security is supported, but 1 if
192 * it is not. The bit is not present in v7M, but we set it
193 * here so we can avoid having to make checks on it conditional
194 * on ARM_FEATURE_V8 (we don't let the guest see the bit).
196 env
->v7m
.aircr
= R_V7M_AIRCR_BFHFNMINS_MASK
;
199 /* In v7M the reset value of this bit is IMPDEF, but ARM recommends
200 * that it resets to 1, so QEMU always does that rather than making
201 * it dependent on CPU model. In v8M it is RES1.
203 env
->v7m
.ccr
[M_REG_NS
] = R_V7M_CCR_STKALIGN_MASK
;
204 env
->v7m
.ccr
[M_REG_S
] = R_V7M_CCR_STKALIGN_MASK
;
205 if (arm_feature(env
, ARM_FEATURE_V8
)) {
206 /* in v8M the NONBASETHRDENA bit [0] is RES1 */
207 env
->v7m
.ccr
[M_REG_NS
] |= R_V7M_CCR_NONBASETHRDENA_MASK
;
208 env
->v7m
.ccr
[M_REG_S
] |= R_V7M_CCR_NONBASETHRDENA_MASK
;
211 /* Unlike A/R profile, M profile defines the reset LR value */
212 env
->regs
[14] = 0xffffffff;
214 /* Load the initial SP and PC from the vector table at address 0 */
217 /* Address zero is covered by ROM which hasn't yet been
218 * copied into physical memory.
220 initial_msp
= ldl_p(rom
);
221 initial_pc
= ldl_p(rom
+ 4);
223 /* Address zero not covered by a ROM blob, or the ROM blob
224 * is in non-modifiable memory and this is a second reset after
225 * it got copied into memory. In the latter case, rom_ptr
226 * will return a NULL pointer and we should use ldl_phys instead.
228 initial_msp
= ldl_phys(s
->as
, 0);
229 initial_pc
= ldl_phys(s
->as
, 4);
232 env
->regs
[13] = initial_msp
& 0xFFFFFFFC;
233 env
->regs
[15] = initial_pc
& ~1;
234 env
->thumb
= initial_pc
& 1;
237 /* AArch32 has a hard highvec setting of 0xFFFF0000. If we are currently
238 * executing as AArch32 then check if highvecs are enabled and
239 * adjust the PC accordingly.
241 if (A32_BANKED_CURRENT_REG_GET(env
, sctlr
) & SCTLR_V
) {
242 env
->regs
[15] = 0xFFFF0000;
245 /* M profile requires that reset clears the exclusive monitor;
246 * A profile does not, but clearing it makes more sense than having it
247 * set with an exclusive access on address zero.
249 arm_clear_exclusive(env
);
251 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 0;
254 if (arm_feature(env
, ARM_FEATURE_PMSA
)) {
255 if (cpu
->pmsav7_dregion
> 0) {
256 if (arm_feature(env
, ARM_FEATURE_V8
)) {
257 memset(env
->pmsav8
.rbar
[M_REG_NS
], 0,
258 sizeof(*env
->pmsav8
.rbar
[M_REG_NS
])
259 * cpu
->pmsav7_dregion
);
260 memset(env
->pmsav8
.rlar
[M_REG_NS
], 0,
261 sizeof(*env
->pmsav8
.rlar
[M_REG_NS
])
262 * cpu
->pmsav7_dregion
);
263 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
264 memset(env
->pmsav8
.rbar
[M_REG_S
], 0,
265 sizeof(*env
->pmsav8
.rbar
[M_REG_S
])
266 * cpu
->pmsav7_dregion
);
267 memset(env
->pmsav8
.rlar
[M_REG_S
], 0,
268 sizeof(*env
->pmsav8
.rlar
[M_REG_S
])
269 * cpu
->pmsav7_dregion
);
271 } else if (arm_feature(env
, ARM_FEATURE_V7
)) {
272 memset(env
->pmsav7
.drbar
, 0,
273 sizeof(*env
->pmsav7
.drbar
) * cpu
->pmsav7_dregion
);
274 memset(env
->pmsav7
.drsr
, 0,
275 sizeof(*env
->pmsav7
.drsr
) * cpu
->pmsav7_dregion
);
276 memset(env
->pmsav7
.dracr
, 0,
277 sizeof(*env
->pmsav7
.dracr
) * cpu
->pmsav7_dregion
);
280 env
->pmsav7
.rnr
[M_REG_NS
] = 0;
281 env
->pmsav7
.rnr
[M_REG_S
] = 0;
282 env
->pmsav8
.mair0
[M_REG_NS
] = 0;
283 env
->pmsav8
.mair0
[M_REG_S
] = 0;
284 env
->pmsav8
.mair1
[M_REG_NS
] = 0;
285 env
->pmsav8
.mair1
[M_REG_S
] = 0;
288 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
289 if (cpu
->sau_sregion
> 0) {
290 memset(env
->sau
.rbar
, 0, sizeof(*env
->sau
.rbar
) * cpu
->sau_sregion
);
291 memset(env
->sau
.rlar
, 0, sizeof(*env
->sau
.rlar
) * cpu
->sau_sregion
);
294 /* SAU_CTRL reset value is IMPDEF; we choose 0, which is what
295 * the Cortex-M33 does.
300 set_flush_to_zero(1, &env
->vfp
.standard_fp_status
);
301 set_flush_inputs_to_zero(1, &env
->vfp
.standard_fp_status
);
302 set_default_nan_mode(1, &env
->vfp
.standard_fp_status
);
303 set_float_detect_tininess(float_tininess_before_rounding
,
304 &env
->vfp
.fp_status
);
305 set_float_detect_tininess(float_tininess_before_rounding
,
306 &env
->vfp
.standard_fp_status
);
307 #ifndef CONFIG_USER_ONLY
309 kvm_arm_reset_vcpu(cpu
);
313 hw_breakpoint_update_all(cpu
);
314 hw_watchpoint_update_all(cpu
);
317 bool arm_cpu_exec_interrupt(CPUState
*cs
, int interrupt_request
)
319 CPUClass
*cc
= CPU_GET_CLASS(cs
);
320 CPUARMState
*env
= cs
->env_ptr
;
321 uint32_t cur_el
= arm_current_el(env
);
322 bool secure
= arm_is_secure(env
);
327 if (interrupt_request
& CPU_INTERRUPT_FIQ
) {
329 target_el
= arm_phys_excp_target_el(cs
, excp_idx
, cur_el
, secure
);
330 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
331 cs
->exception_index
= excp_idx
;
332 env
->exception
.target_el
= target_el
;
333 cc
->do_interrupt(cs
);
337 if (interrupt_request
& CPU_INTERRUPT_HARD
) {
339 target_el
= arm_phys_excp_target_el(cs
, excp_idx
, cur_el
, secure
);
340 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
341 cs
->exception_index
= excp_idx
;
342 env
->exception
.target_el
= target_el
;
343 cc
->do_interrupt(cs
);
347 if (interrupt_request
& CPU_INTERRUPT_VIRQ
) {
348 excp_idx
= EXCP_VIRQ
;
350 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
351 cs
->exception_index
= excp_idx
;
352 env
->exception
.target_el
= target_el
;
353 cc
->do_interrupt(cs
);
357 if (interrupt_request
& CPU_INTERRUPT_VFIQ
) {
358 excp_idx
= EXCP_VFIQ
;
360 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
361 cs
->exception_index
= excp_idx
;
362 env
->exception
.target_el
= target_el
;
363 cc
->do_interrupt(cs
);
371 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
372 static bool arm_v7m_cpu_exec_interrupt(CPUState
*cs
, int interrupt_request
)
374 CPUClass
*cc
= CPU_GET_CLASS(cs
);
375 ARMCPU
*cpu
= ARM_CPU(cs
);
376 CPUARMState
*env
= &cpu
->env
;
379 /* ARMv7-M interrupt masking works differently than -A or -R.
380 * There is no FIQ/IRQ distinction. Instead of I and F bits
381 * masking FIQ and IRQ interrupts, an exception is taken only
382 * if it is higher priority than the current execution priority
383 * (which depends on state like BASEPRI, FAULTMASK and the
384 * currently active exception).
386 if (interrupt_request
& CPU_INTERRUPT_HARD
387 && (armv7m_nvic_can_take_pending_exception(env
->nvic
))) {
388 cs
->exception_index
= EXCP_IRQ
;
389 cc
->do_interrupt(cs
);
396 #ifndef CONFIG_USER_ONLY
397 static void arm_cpu_set_irq(void *opaque
, int irq
, int level
)
399 ARMCPU
*cpu
= opaque
;
400 CPUARMState
*env
= &cpu
->env
;
401 CPUState
*cs
= CPU(cpu
);
402 static const int mask
[] = {
403 [ARM_CPU_IRQ
] = CPU_INTERRUPT_HARD
,
404 [ARM_CPU_FIQ
] = CPU_INTERRUPT_FIQ
,
405 [ARM_CPU_VIRQ
] = CPU_INTERRUPT_VIRQ
,
406 [ARM_CPU_VFIQ
] = CPU_INTERRUPT_VFIQ
412 assert(arm_feature(env
, ARM_FEATURE_EL2
));
417 cpu_interrupt(cs
, mask
[irq
]);
419 cpu_reset_interrupt(cs
, mask
[irq
]);
423 g_assert_not_reached();
427 static void arm_cpu_kvm_set_irq(void *opaque
, int irq
, int level
)
430 ARMCPU
*cpu
= opaque
;
431 CPUState
*cs
= CPU(cpu
);
432 int kvm_irq
= KVM_ARM_IRQ_TYPE_CPU
<< KVM_ARM_IRQ_TYPE_SHIFT
;
436 kvm_irq
|= KVM_ARM_IRQ_CPU_IRQ
;
439 kvm_irq
|= KVM_ARM_IRQ_CPU_FIQ
;
442 g_assert_not_reached();
444 kvm_irq
|= cs
->cpu_index
<< KVM_ARM_IRQ_VCPU_SHIFT
;
445 kvm_set_irq(kvm_state
, kvm_irq
, level
? 1 : 0);
449 static bool arm_cpu_virtio_is_big_endian(CPUState
*cs
)
451 ARMCPU
*cpu
= ARM_CPU(cs
);
452 CPUARMState
*env
= &cpu
->env
;
454 cpu_synchronize_state(cs
);
455 return arm_cpu_data_is_big_endian(env
);
460 static inline void set_feature(CPUARMState
*env
, int feature
)
462 env
->features
|= 1ULL << feature
;
465 static inline void unset_feature(CPUARMState
*env
, int feature
)
467 env
->features
&= ~(1ULL << feature
);
471 print_insn_thumb1(bfd_vma pc
, disassemble_info
*info
)
473 return print_insn_arm(pc
| 1, info
);
476 static int arm_read_memory_func(bfd_vma memaddr
, bfd_byte
*b
,
477 int length
, struct disassemble_info
*info
)
479 assert(info
->read_memory_inner_func
);
480 assert((info
->flags
& INSN_ARM_BE32
) == 0 || length
== 2 || length
== 4);
482 if ((info
->flags
& INSN_ARM_BE32
) != 0 && length
== 2) {
483 assert(info
->endian
== BFD_ENDIAN_LITTLE
);
484 return info
->read_memory_inner_func(memaddr
^ 2, (bfd_byte
*)b
, 2,
487 return info
->read_memory_inner_func(memaddr
, b
, length
, info
);
491 static void arm_disas_set_info(CPUState
*cpu
, disassemble_info
*info
)
493 ARMCPU
*ac
= ARM_CPU(cpu
);
494 CPUARMState
*env
= &ac
->env
;
497 /* We might not be compiled with the A64 disassembler
498 * because it needs a C++ compiler. Leave print_insn
499 * unset in this case to use the caller default behaviour.
501 #if defined(CONFIG_ARM_A64_DIS)
502 info
->print_insn
= print_insn_arm_a64
;
504 } else if (env
->thumb
) {
505 info
->print_insn
= print_insn_thumb1
;
507 info
->print_insn
= print_insn_arm
;
509 if (bswap_code(arm_sctlr_b(env
))) {
510 #ifdef TARGET_WORDS_BIGENDIAN
511 info
->endian
= BFD_ENDIAN_LITTLE
;
513 info
->endian
= BFD_ENDIAN_BIG
;
516 if (info
->read_memory_inner_func
== NULL
) {
517 info
->read_memory_inner_func
= info
->read_memory_func
;
518 info
->read_memory_func
= arm_read_memory_func
;
520 info
->flags
&= ~INSN_ARM_BE32
;
521 if (arm_sctlr_b(env
)) {
522 info
->flags
|= INSN_ARM_BE32
;
526 uint64_t arm_cpu_mp_affinity(int idx
, uint8_t clustersz
)
528 uint32_t Aff1
= idx
/ clustersz
;
529 uint32_t Aff0
= idx
% clustersz
;
530 return (Aff1
<< ARM_AFF1_SHIFT
) | Aff0
;
533 static void arm_cpu_initfn(Object
*obj
)
535 CPUState
*cs
= CPU(obj
);
536 ARMCPU
*cpu
= ARM_CPU(obj
);
539 cs
->env_ptr
= &cpu
->env
;
540 cpu
->cp_regs
= g_hash_table_new_full(g_int_hash
, g_int_equal
,
543 #ifndef CONFIG_USER_ONLY
544 /* Our inbound IRQ and FIQ lines */
546 /* VIRQ and VFIQ are unused with KVM but we add them to maintain
547 * the same interface as non-KVM CPUs.
549 qdev_init_gpio_in(DEVICE(cpu
), arm_cpu_kvm_set_irq
, 4);
551 qdev_init_gpio_in(DEVICE(cpu
), arm_cpu_set_irq
, 4);
554 cpu
->gt_timer
[GTIMER_PHYS
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
555 arm_gt_ptimer_cb
, cpu
);
556 cpu
->gt_timer
[GTIMER_VIRT
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
557 arm_gt_vtimer_cb
, cpu
);
558 cpu
->gt_timer
[GTIMER_HYP
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
559 arm_gt_htimer_cb
, cpu
);
560 cpu
->gt_timer
[GTIMER_SEC
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
561 arm_gt_stimer_cb
, cpu
);
562 qdev_init_gpio_out(DEVICE(cpu
), cpu
->gt_timer_outputs
,
563 ARRAY_SIZE(cpu
->gt_timer_outputs
));
565 qdev_init_gpio_out_named(DEVICE(cpu
), &cpu
->gicv3_maintenance_interrupt
,
566 "gicv3-maintenance-interrupt", 1);
567 qdev_init_gpio_out_named(DEVICE(cpu
), &cpu
->pmu_interrupt
,
571 /* DTB consumers generally don't in fact care what the 'compatible'
572 * string is, so always provide some string and trust that a hypothetical
573 * picky DTB consumer will also provide a helpful error message.
575 cpu
->dtb_compatible
= "qemu,unknown";
576 cpu
->psci_version
= 1; /* By default assume PSCI v0.1 */
577 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_NONE
;
580 cpu
->psci_version
= 2; /* TCG implements PSCI 0.2 */
583 arm_translate_init();
588 static Property arm_cpu_reset_cbar_property
=
589 DEFINE_PROP_UINT64("reset-cbar", ARMCPU
, reset_cbar
, 0);
591 static Property arm_cpu_reset_hivecs_property
=
592 DEFINE_PROP_BOOL("reset-hivecs", ARMCPU
, reset_hivecs
, false);
594 static Property arm_cpu_rvbar_property
=
595 DEFINE_PROP_UINT64("rvbar", ARMCPU
, rvbar
, 0);
597 static Property arm_cpu_has_el2_property
=
598 DEFINE_PROP_BOOL("has_el2", ARMCPU
, has_el2
, true);
600 static Property arm_cpu_has_el3_property
=
601 DEFINE_PROP_BOOL("has_el3", ARMCPU
, has_el3
, true);
603 static Property arm_cpu_cfgend_property
=
604 DEFINE_PROP_BOOL("cfgend", ARMCPU
, cfgend
, false);
606 /* use property name "pmu" to match other archs and virt tools */
607 static Property arm_cpu_has_pmu_property
=
608 DEFINE_PROP_BOOL("pmu", ARMCPU
, has_pmu
, true);
610 static Property arm_cpu_has_mpu_property
=
611 DEFINE_PROP_BOOL("has-mpu", ARMCPU
, has_mpu
, true);
613 /* This is like DEFINE_PROP_UINT32 but it doesn't set the default value,
614 * because the CPU initfn will have already set cpu->pmsav7_dregion to
615 * the right value for that particular CPU type, and we don't want
616 * to override that with an incorrect constant value.
618 static Property arm_cpu_pmsav7_dregion_property
=
619 DEFINE_PROP_UNSIGNED_NODEFAULT("pmsav7-dregion", ARMCPU
,
621 qdev_prop_uint32
, uint32_t);
623 static void arm_cpu_post_init(Object
*obj
)
625 ARMCPU
*cpu
= ARM_CPU(obj
);
627 /* M profile implies PMSA. We have to do this here rather than
628 * in realize with the other feature-implication checks because
629 * we look at the PMSA bit to see if we should add some properties.
631 if (arm_feature(&cpu
->env
, ARM_FEATURE_M
)) {
632 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
635 if (arm_feature(&cpu
->env
, ARM_FEATURE_CBAR
) ||
636 arm_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
)) {
637 qdev_property_add_static(DEVICE(obj
), &arm_cpu_reset_cbar_property
,
641 if (!arm_feature(&cpu
->env
, ARM_FEATURE_M
)) {
642 qdev_property_add_static(DEVICE(obj
), &arm_cpu_reset_hivecs_property
,
646 if (arm_feature(&cpu
->env
, ARM_FEATURE_AARCH64
)) {
647 qdev_property_add_static(DEVICE(obj
), &arm_cpu_rvbar_property
,
651 if (arm_feature(&cpu
->env
, ARM_FEATURE_EL3
)) {
652 /* Add the has_el3 state CPU property only if EL3 is allowed. This will
653 * prevent "has_el3" from existing on CPUs which cannot support EL3.
655 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_el3_property
,
658 #ifndef CONFIG_USER_ONLY
659 object_property_add_link(obj
, "secure-memory",
661 (Object
**)&cpu
->secure_memory
,
662 qdev_prop_allow_set_link_before_realize
,
663 OBJ_PROP_LINK_UNREF_ON_RELEASE
,
668 if (arm_feature(&cpu
->env
, ARM_FEATURE_EL2
)) {
669 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_el2_property
,
673 if (arm_feature(&cpu
->env
, ARM_FEATURE_PMU
)) {
674 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_pmu_property
,
678 if (arm_feature(&cpu
->env
, ARM_FEATURE_PMSA
)) {
679 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_mpu_property
,
681 if (arm_feature(&cpu
->env
, ARM_FEATURE_V7
)) {
682 qdev_property_add_static(DEVICE(obj
),
683 &arm_cpu_pmsav7_dregion_property
,
688 qdev_property_add_static(DEVICE(obj
), &arm_cpu_cfgend_property
,
692 static void arm_cpu_finalizefn(Object
*obj
)
694 ARMCPU
*cpu
= ARM_CPU(obj
);
695 g_hash_table_destroy(cpu
->cp_regs
);
698 static void arm_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
700 CPUState
*cs
= CPU(dev
);
701 ARMCPU
*cpu
= ARM_CPU(dev
);
702 ARMCPUClass
*acc
= ARM_CPU_GET_CLASS(dev
);
703 CPUARMState
*env
= &cpu
->env
;
705 Error
*local_err
= NULL
;
706 #ifndef CONFIG_USER_ONLY
710 cpu_exec_realizefn(cs
, &local_err
);
711 if (local_err
!= NULL
) {
712 error_propagate(errp
, local_err
);
716 /* Some features automatically imply others: */
717 if (arm_feature(env
, ARM_FEATURE_V8
)) {
718 set_feature(env
, ARM_FEATURE_V7
);
719 set_feature(env
, ARM_FEATURE_ARM_DIV
);
720 set_feature(env
, ARM_FEATURE_LPAE
);
722 if (arm_feature(env
, ARM_FEATURE_V7
)) {
723 set_feature(env
, ARM_FEATURE_VAPA
);
724 set_feature(env
, ARM_FEATURE_THUMB2
);
725 set_feature(env
, ARM_FEATURE_MPIDR
);
726 if (!arm_feature(env
, ARM_FEATURE_M
)) {
727 set_feature(env
, ARM_FEATURE_V6K
);
729 set_feature(env
, ARM_FEATURE_V6
);
732 /* Always define VBAR for V7 CPUs even if it doesn't exist in
733 * non-EL3 configs. This is needed by some legacy boards.
735 set_feature(env
, ARM_FEATURE_VBAR
);
737 if (arm_feature(env
, ARM_FEATURE_V6K
)) {
738 set_feature(env
, ARM_FEATURE_V6
);
739 set_feature(env
, ARM_FEATURE_MVFR
);
741 if (arm_feature(env
, ARM_FEATURE_V6
)) {
742 set_feature(env
, ARM_FEATURE_V5
);
743 set_feature(env
, ARM_FEATURE_JAZELLE
);
744 if (!arm_feature(env
, ARM_FEATURE_M
)) {
745 set_feature(env
, ARM_FEATURE_AUXCR
);
748 if (arm_feature(env
, ARM_FEATURE_V5
)) {
749 set_feature(env
, ARM_FEATURE_V4T
);
751 if (arm_feature(env
, ARM_FEATURE_M
)) {
752 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
754 if (arm_feature(env
, ARM_FEATURE_ARM_DIV
)) {
755 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
757 if (arm_feature(env
, ARM_FEATURE_VFP4
)) {
758 set_feature(env
, ARM_FEATURE_VFP3
);
759 set_feature(env
, ARM_FEATURE_VFP_FP16
);
761 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
762 set_feature(env
, ARM_FEATURE_VFP
);
764 if (arm_feature(env
, ARM_FEATURE_LPAE
)) {
765 set_feature(env
, ARM_FEATURE_V7MP
);
766 set_feature(env
, ARM_FEATURE_PXN
);
768 if (arm_feature(env
, ARM_FEATURE_CBAR_RO
)) {
769 set_feature(env
, ARM_FEATURE_CBAR
);
771 if (arm_feature(env
, ARM_FEATURE_THUMB2
) &&
772 !arm_feature(env
, ARM_FEATURE_M
)) {
773 set_feature(env
, ARM_FEATURE_THUMB_DSP
);
776 if (arm_feature(env
, ARM_FEATURE_V7
) &&
777 !arm_feature(env
, ARM_FEATURE_M
) &&
778 !arm_feature(env
, ARM_FEATURE_PMSA
)) {
779 /* v7VMSA drops support for the old ARMv5 tiny pages, so we
784 /* For CPUs which might have tiny 1K pages, or which have an
785 * MPU and might have small region sizes, stick with 1K pages.
789 if (!set_preferred_target_page_bits(pagebits
)) {
790 /* This can only ever happen for hotplugging a CPU, or if
791 * the board code incorrectly creates a CPU which it has
792 * promised via minimum_page_size that it will not.
794 error_setg(errp
, "This CPU requires a smaller page size than the "
799 /* This cpu-id-to-MPIDR affinity is used only for TCG; KVM will override it.
800 * We don't support setting cluster ID ([16..23]) (known as Aff2
801 * in later ARM ARM versions), or any of the higher affinity level fields,
802 * so these bits always RAZ.
804 if (cpu
->mp_affinity
== ARM64_AFFINITY_INVALID
) {
805 cpu
->mp_affinity
= arm_cpu_mp_affinity(cs
->cpu_index
,
806 ARM_DEFAULT_CPUS_PER_CLUSTER
);
809 if (cpu
->reset_hivecs
) {
810 cpu
->reset_sctlr
|= (1 << 13);
814 if (arm_feature(&cpu
->env
, ARM_FEATURE_V7
)) {
815 cpu
->reset_sctlr
|= SCTLR_EE
;
817 cpu
->reset_sctlr
|= SCTLR_B
;
822 /* If the has_el3 CPU property is disabled then we need to disable the
825 unset_feature(env
, ARM_FEATURE_EL3
);
827 /* Disable the security extension feature bits in the processor feature
828 * registers as well. These are id_pfr1[7:4] and id_aa64pfr0[15:12].
830 cpu
->id_pfr1
&= ~0xf0;
831 cpu
->id_aa64pfr0
&= ~0xf000;
835 unset_feature(env
, ARM_FEATURE_EL2
);
839 unset_feature(env
, ARM_FEATURE_PMU
);
840 cpu
->id_aa64dfr0
&= ~0xf00;
843 if (!arm_feature(env
, ARM_FEATURE_EL2
)) {
844 /* Disable the hypervisor feature bits in the processor feature
845 * registers if we don't have EL2. These are id_pfr1[15:12] and
846 * id_aa64pfr0_el1[11:8].
848 cpu
->id_aa64pfr0
&= ~0xf00;
849 cpu
->id_pfr1
&= ~0xf000;
852 /* MPU can be configured out of a PMSA CPU either by setting has-mpu
853 * to false or by setting pmsav7-dregion to 0.
856 cpu
->pmsav7_dregion
= 0;
858 if (cpu
->pmsav7_dregion
== 0) {
859 cpu
->has_mpu
= false;
862 if (arm_feature(env
, ARM_FEATURE_PMSA
) &&
863 arm_feature(env
, ARM_FEATURE_V7
)) {
864 uint32_t nr
= cpu
->pmsav7_dregion
;
867 error_setg(errp
, "PMSAv7 MPU #regions invalid %" PRIu32
, nr
);
872 if (arm_feature(env
, ARM_FEATURE_V8
)) {
874 env
->pmsav8
.rbar
[M_REG_NS
] = g_new0(uint32_t, nr
);
875 env
->pmsav8
.rlar
[M_REG_NS
] = g_new0(uint32_t, nr
);
876 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
877 env
->pmsav8
.rbar
[M_REG_S
] = g_new0(uint32_t, nr
);
878 env
->pmsav8
.rlar
[M_REG_S
] = g_new0(uint32_t, nr
);
881 env
->pmsav7
.drbar
= g_new0(uint32_t, nr
);
882 env
->pmsav7
.drsr
= g_new0(uint32_t, nr
);
883 env
->pmsav7
.dracr
= g_new0(uint32_t, nr
);
888 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
889 uint32_t nr
= cpu
->sau_sregion
;
892 error_setg(errp
, "v8M SAU #regions invalid %" PRIu32
, nr
);
897 env
->sau
.rbar
= g_new0(uint32_t, nr
);
898 env
->sau
.rlar
= g_new0(uint32_t, nr
);
902 if (arm_feature(env
, ARM_FEATURE_EL3
)) {
903 set_feature(env
, ARM_FEATURE_VBAR
);
906 register_cp_regs_for_features(cpu
);
907 arm_cpu_register_gdb_regs_for_features(cpu
);
909 init_cpreg_list(cpu
);
911 #ifndef CONFIG_USER_ONLY
912 if (cpu
->has_el3
|| arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
913 as
= g_new0(AddressSpace
, 1);
917 if (!cpu
->secure_memory
) {
918 cpu
->secure_memory
= cs
->memory
;
920 address_space_init(as
, cpu
->secure_memory
, "cpu-secure-memory");
921 cpu_address_space_init(cs
, as
, ARMASIdx_S
);
925 as
= g_new0(AddressSpace
, 1);
926 address_space_init(as
, cs
->memory
, "cpu-memory");
927 cpu_address_space_init(cs
, as
, ARMASIdx_NS
);
933 acc
->parent_realize(dev
, errp
);
936 static ObjectClass
*arm_cpu_class_by_name(const char *cpu_model
)
946 cpuname
= g_strsplit(cpu_model
, ",", 1);
947 typename
= g_strdup_printf(ARM_CPU_TYPE_NAME("%s"), cpuname
[0]);
948 oc
= object_class_by_name(typename
);
951 if (!oc
|| !object_class_dynamic_cast(oc
, TYPE_ARM_CPU
) ||
952 object_class_is_abstract(oc
)) {
958 /* CPU models. These are not needed for the AArch64 linux-user build. */
959 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
961 static void arm926_initfn(Object
*obj
)
963 ARMCPU
*cpu
= ARM_CPU(obj
);
965 cpu
->dtb_compatible
= "arm,arm926";
966 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
967 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
968 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
969 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
970 set_feature(&cpu
->env
, ARM_FEATURE_JAZELLE
);
971 cpu
->midr
= 0x41069265;
972 cpu
->reset_fpsid
= 0x41011090;
973 cpu
->ctr
= 0x1dd20d2;
974 cpu
->reset_sctlr
= 0x00090078;
977 static void arm946_initfn(Object
*obj
)
979 ARMCPU
*cpu
= ARM_CPU(obj
);
981 cpu
->dtb_compatible
= "arm,arm946";
982 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
983 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
984 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
985 cpu
->midr
= 0x41059461;
986 cpu
->ctr
= 0x0f004006;
987 cpu
->reset_sctlr
= 0x00000078;
990 static void arm1026_initfn(Object
*obj
)
992 ARMCPU
*cpu
= ARM_CPU(obj
);
994 cpu
->dtb_compatible
= "arm,arm1026";
995 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
996 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
997 set_feature(&cpu
->env
, ARM_FEATURE_AUXCR
);
998 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
999 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
1000 set_feature(&cpu
->env
, ARM_FEATURE_JAZELLE
);
1001 cpu
->midr
= 0x4106a262;
1002 cpu
->reset_fpsid
= 0x410110a0;
1003 cpu
->ctr
= 0x1dd20d2;
1004 cpu
->reset_sctlr
= 0x00090078;
1005 cpu
->reset_auxcr
= 1;
1007 /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
1008 ARMCPRegInfo ifar
= {
1009 .name
= "IFAR", .cp
= 15, .crn
= 6, .crm
= 0, .opc1
= 0, .opc2
= 1,
1011 .fieldoffset
= offsetof(CPUARMState
, cp15
.ifar_ns
),
1014 define_one_arm_cp_reg(cpu
, &ifar
);
1018 static void arm1136_r2_initfn(Object
*obj
)
1020 ARMCPU
*cpu
= ARM_CPU(obj
);
1021 /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
1022 * older core than plain "arm1136". In particular this does not
1023 * have the v6K features.
1024 * These ID register values are correct for 1136 but may be wrong
1025 * for 1136_r2 (in particular r0p2 does not actually implement most
1026 * of the ID registers).
1029 cpu
->dtb_compatible
= "arm,arm1136";
1030 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
1031 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1032 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1033 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1034 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1035 cpu
->midr
= 0x4107b362;
1036 cpu
->reset_fpsid
= 0x410120b4;
1037 cpu
->mvfr0
= 0x11111111;
1038 cpu
->mvfr1
= 0x00000000;
1039 cpu
->ctr
= 0x1dd20d2;
1040 cpu
->reset_sctlr
= 0x00050078;
1041 cpu
->id_pfr0
= 0x111;
1045 cpu
->id_mmfr0
= 0x01130003;
1046 cpu
->id_mmfr1
= 0x10030302;
1047 cpu
->id_mmfr2
= 0x01222110;
1048 cpu
->id_isar0
= 0x00140011;
1049 cpu
->id_isar1
= 0x12002111;
1050 cpu
->id_isar2
= 0x11231111;
1051 cpu
->id_isar3
= 0x01102131;
1052 cpu
->id_isar4
= 0x141;
1053 cpu
->reset_auxcr
= 7;
1056 static void arm1136_initfn(Object
*obj
)
1058 ARMCPU
*cpu
= ARM_CPU(obj
);
1060 cpu
->dtb_compatible
= "arm,arm1136";
1061 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1062 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
1063 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1064 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1065 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1066 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1067 cpu
->midr
= 0x4117b363;
1068 cpu
->reset_fpsid
= 0x410120b4;
1069 cpu
->mvfr0
= 0x11111111;
1070 cpu
->mvfr1
= 0x00000000;
1071 cpu
->ctr
= 0x1dd20d2;
1072 cpu
->reset_sctlr
= 0x00050078;
1073 cpu
->id_pfr0
= 0x111;
1077 cpu
->id_mmfr0
= 0x01130003;
1078 cpu
->id_mmfr1
= 0x10030302;
1079 cpu
->id_mmfr2
= 0x01222110;
1080 cpu
->id_isar0
= 0x00140011;
1081 cpu
->id_isar1
= 0x12002111;
1082 cpu
->id_isar2
= 0x11231111;
1083 cpu
->id_isar3
= 0x01102131;
1084 cpu
->id_isar4
= 0x141;
1085 cpu
->reset_auxcr
= 7;
1088 static void arm1176_initfn(Object
*obj
)
1090 ARMCPU
*cpu
= ARM_CPU(obj
);
1092 cpu
->dtb_compatible
= "arm,arm1176";
1093 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1094 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1095 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
1096 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1097 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1098 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1099 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1100 cpu
->midr
= 0x410fb767;
1101 cpu
->reset_fpsid
= 0x410120b5;
1102 cpu
->mvfr0
= 0x11111111;
1103 cpu
->mvfr1
= 0x00000000;
1104 cpu
->ctr
= 0x1dd20d2;
1105 cpu
->reset_sctlr
= 0x00050078;
1106 cpu
->id_pfr0
= 0x111;
1107 cpu
->id_pfr1
= 0x11;
1108 cpu
->id_dfr0
= 0x33;
1110 cpu
->id_mmfr0
= 0x01130003;
1111 cpu
->id_mmfr1
= 0x10030302;
1112 cpu
->id_mmfr2
= 0x01222100;
1113 cpu
->id_isar0
= 0x0140011;
1114 cpu
->id_isar1
= 0x12002111;
1115 cpu
->id_isar2
= 0x11231121;
1116 cpu
->id_isar3
= 0x01102131;
1117 cpu
->id_isar4
= 0x01141;
1118 cpu
->reset_auxcr
= 7;
1121 static void arm11mpcore_initfn(Object
*obj
)
1123 ARMCPU
*cpu
= ARM_CPU(obj
);
1125 cpu
->dtb_compatible
= "arm,arm11mpcore";
1126 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1127 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1128 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
1129 set_feature(&cpu
->env
, ARM_FEATURE_MPIDR
);
1130 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1131 cpu
->midr
= 0x410fb022;
1132 cpu
->reset_fpsid
= 0x410120b4;
1133 cpu
->mvfr0
= 0x11111111;
1134 cpu
->mvfr1
= 0x00000000;
1135 cpu
->ctr
= 0x1d192992; /* 32K icache 32K dcache */
1136 cpu
->id_pfr0
= 0x111;
1140 cpu
->id_mmfr0
= 0x01100103;
1141 cpu
->id_mmfr1
= 0x10020302;
1142 cpu
->id_mmfr2
= 0x01222000;
1143 cpu
->id_isar0
= 0x00100011;
1144 cpu
->id_isar1
= 0x12002111;
1145 cpu
->id_isar2
= 0x11221011;
1146 cpu
->id_isar3
= 0x01102131;
1147 cpu
->id_isar4
= 0x141;
1148 cpu
->reset_auxcr
= 1;
1151 static void cortex_m3_initfn(Object
*obj
)
1153 ARMCPU
*cpu
= ARM_CPU(obj
);
1154 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1155 set_feature(&cpu
->env
, ARM_FEATURE_M
);
1156 cpu
->midr
= 0x410fc231;
1157 cpu
->pmsav7_dregion
= 8;
1160 static void cortex_m4_initfn(Object
*obj
)
1162 ARMCPU
*cpu
= ARM_CPU(obj
);
1164 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1165 set_feature(&cpu
->env
, ARM_FEATURE_M
);
1166 set_feature(&cpu
->env
, ARM_FEATURE_THUMB_DSP
);
1167 cpu
->midr
= 0x410fc240; /* r0p0 */
1168 cpu
->pmsav7_dregion
= 8;
1171 static void arm_v7m_class_init(ObjectClass
*oc
, void *data
)
1173 CPUClass
*cc
= CPU_CLASS(oc
);
1175 #ifndef CONFIG_USER_ONLY
1176 cc
->do_interrupt
= arm_v7m_cpu_do_interrupt
;
1179 cc
->cpu_exec_interrupt
= arm_v7m_cpu_exec_interrupt
;
1182 static const ARMCPRegInfo cortexr5_cp_reginfo
[] = {
1183 /* Dummy the TCM region regs for the moment */
1184 { .name
= "ATCM", .cp
= 15, .opc1
= 0, .crn
= 9, .crm
= 1, .opc2
= 0,
1185 .access
= PL1_RW
, .type
= ARM_CP_CONST
},
1186 { .name
= "BTCM", .cp
= 15, .opc1
= 0, .crn
= 9, .crm
= 1, .opc2
= 1,
1187 .access
= PL1_RW
, .type
= ARM_CP_CONST
},
1188 { .name
= "DCACHE_INVAL", .cp
= 15, .opc1
= 0, .crn
= 15, .crm
= 5,
1189 .opc2
= 0, .access
= PL1_W
, .type
= ARM_CP_NOP
},
1193 static void cortex_r5_initfn(Object
*obj
)
1195 ARMCPU
*cpu
= ARM_CPU(obj
);
1197 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1198 set_feature(&cpu
->env
, ARM_FEATURE_THUMB_DIV
);
1199 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1200 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
1201 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
1202 cpu
->midr
= 0x411fc153; /* r1p3 */
1203 cpu
->id_pfr0
= 0x0131;
1204 cpu
->id_pfr1
= 0x001;
1205 cpu
->id_dfr0
= 0x010400;
1207 cpu
->id_mmfr0
= 0x0210030;
1208 cpu
->id_mmfr1
= 0x00000000;
1209 cpu
->id_mmfr2
= 0x01200000;
1210 cpu
->id_mmfr3
= 0x0211;
1211 cpu
->id_isar0
= 0x2101111;
1212 cpu
->id_isar1
= 0x13112111;
1213 cpu
->id_isar2
= 0x21232141;
1214 cpu
->id_isar3
= 0x01112131;
1215 cpu
->id_isar4
= 0x0010142;
1216 cpu
->id_isar5
= 0x0;
1217 cpu
->mp_is_up
= true;
1218 cpu
->pmsav7_dregion
= 16;
1219 define_arm_cp_regs(cpu
, cortexr5_cp_reginfo
);
1222 static const ARMCPRegInfo cortexa8_cp_reginfo
[] = {
1223 { .name
= "L2LOCKDOWN", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 0,
1224 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1225 { .name
= "L2AUXCR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
1226 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1230 static void cortex_a8_initfn(Object
*obj
)
1232 ARMCPU
*cpu
= ARM_CPU(obj
);
1234 cpu
->dtb_compatible
= "arm,cortex-a8";
1235 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1236 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
1237 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1238 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1239 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1240 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1241 cpu
->midr
= 0x410fc080;
1242 cpu
->reset_fpsid
= 0x410330c0;
1243 cpu
->mvfr0
= 0x11110222;
1244 cpu
->mvfr1
= 0x00011111;
1245 cpu
->ctr
= 0x82048004;
1246 cpu
->reset_sctlr
= 0x00c50078;
1247 cpu
->id_pfr0
= 0x1031;
1248 cpu
->id_pfr1
= 0x11;
1249 cpu
->id_dfr0
= 0x400;
1251 cpu
->id_mmfr0
= 0x31100003;
1252 cpu
->id_mmfr1
= 0x20000000;
1253 cpu
->id_mmfr2
= 0x01202000;
1254 cpu
->id_mmfr3
= 0x11;
1255 cpu
->id_isar0
= 0x00101111;
1256 cpu
->id_isar1
= 0x12112111;
1257 cpu
->id_isar2
= 0x21232031;
1258 cpu
->id_isar3
= 0x11112131;
1259 cpu
->id_isar4
= 0x00111142;
1260 cpu
->dbgdidr
= 0x15141000;
1261 cpu
->clidr
= (1 << 27) | (2 << 24) | 3;
1262 cpu
->ccsidr
[0] = 0xe007e01a; /* 16k L1 dcache. */
1263 cpu
->ccsidr
[1] = 0x2007e01a; /* 16k L1 icache. */
1264 cpu
->ccsidr
[2] = 0xf0000000; /* No L2 icache. */
1265 cpu
->reset_auxcr
= 2;
1266 define_arm_cp_regs(cpu
, cortexa8_cp_reginfo
);
1269 static const ARMCPRegInfo cortexa9_cp_reginfo
[] = {
1270 /* power_control should be set to maximum latency. Again,
1271 * default to 0 and set by private hook
1273 { .name
= "A9_PWRCTL", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 0,
1274 .access
= PL1_RW
, .resetvalue
= 0,
1275 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_control
) },
1276 { .name
= "A9_DIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 1,
1277 .access
= PL1_RW
, .resetvalue
= 0,
1278 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_diagnostic
) },
1279 { .name
= "A9_PWRDIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 2,
1280 .access
= PL1_RW
, .resetvalue
= 0,
1281 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_diagnostic
) },
1282 { .name
= "NEONBUSY", .cp
= 15, .crn
= 15, .crm
= 1, .opc1
= 0, .opc2
= 0,
1283 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1284 /* TLB lockdown control */
1285 { .name
= "TLB_LOCKR", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 2,
1286 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
1287 { .name
= "TLB_LOCKW", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 4,
1288 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
1289 { .name
= "TLB_VA", .cp
= 15, .crn
= 15, .crm
= 5, .opc1
= 5, .opc2
= 2,
1290 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1291 { .name
= "TLB_PA", .cp
= 15, .crn
= 15, .crm
= 6, .opc1
= 5, .opc2
= 2,
1292 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1293 { .name
= "TLB_ATTR", .cp
= 15, .crn
= 15, .crm
= 7, .opc1
= 5, .opc2
= 2,
1294 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1298 static void cortex_a9_initfn(Object
*obj
)
1300 ARMCPU
*cpu
= ARM_CPU(obj
);
1302 cpu
->dtb_compatible
= "arm,cortex-a9";
1303 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1304 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
1305 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
1306 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1307 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1308 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1309 /* Note that A9 supports the MP extensions even for
1310 * A9UP and single-core A9MP (which are both different
1311 * and valid configurations; we don't model A9UP).
1313 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
1314 set_feature(&cpu
->env
, ARM_FEATURE_CBAR
);
1315 cpu
->midr
= 0x410fc090;
1316 cpu
->reset_fpsid
= 0x41033090;
1317 cpu
->mvfr0
= 0x11110222;
1318 cpu
->mvfr1
= 0x01111111;
1319 cpu
->ctr
= 0x80038003;
1320 cpu
->reset_sctlr
= 0x00c50078;
1321 cpu
->id_pfr0
= 0x1031;
1322 cpu
->id_pfr1
= 0x11;
1323 cpu
->id_dfr0
= 0x000;
1325 cpu
->id_mmfr0
= 0x00100103;
1326 cpu
->id_mmfr1
= 0x20000000;
1327 cpu
->id_mmfr2
= 0x01230000;
1328 cpu
->id_mmfr3
= 0x00002111;
1329 cpu
->id_isar0
= 0x00101111;
1330 cpu
->id_isar1
= 0x13112111;
1331 cpu
->id_isar2
= 0x21232041;
1332 cpu
->id_isar3
= 0x11112131;
1333 cpu
->id_isar4
= 0x00111142;
1334 cpu
->dbgdidr
= 0x35141000;
1335 cpu
->clidr
= (1 << 27) | (1 << 24) | 3;
1336 cpu
->ccsidr
[0] = 0xe00fe019; /* 16k L1 dcache. */
1337 cpu
->ccsidr
[1] = 0x200fe019; /* 16k L1 icache. */
1338 define_arm_cp_regs(cpu
, cortexa9_cp_reginfo
);
1341 #ifndef CONFIG_USER_ONLY
1342 static uint64_t a15_l2ctlr_read(CPUARMState
*env
, const ARMCPRegInfo
*ri
)
1344 /* Linux wants the number of processors from here.
1345 * Might as well set the interrupt-controller bit too.
1347 return ((smp_cpus
- 1) << 24) | (1 << 23);
1351 static const ARMCPRegInfo cortexa15_cp_reginfo
[] = {
1352 #ifndef CONFIG_USER_ONLY
1353 { .name
= "L2CTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
1354 .access
= PL1_RW
, .resetvalue
= 0, .readfn
= a15_l2ctlr_read
,
1355 .writefn
= arm_cp_write_ignore
, },
1357 { .name
= "L2ECTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 3,
1358 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1362 static void cortex_a7_initfn(Object
*obj
)
1364 ARMCPU
*cpu
= ARM_CPU(obj
);
1366 cpu
->dtb_compatible
= "arm,cortex-a7";
1367 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1368 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1369 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1370 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1371 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1372 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
1373 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1374 set_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
);
1375 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
1376 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1377 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_CORTEX_A7
;
1378 cpu
->midr
= 0x410fc075;
1379 cpu
->reset_fpsid
= 0x41023075;
1380 cpu
->mvfr0
= 0x10110222;
1381 cpu
->mvfr1
= 0x11111111;
1382 cpu
->ctr
= 0x84448003;
1383 cpu
->reset_sctlr
= 0x00c50078;
1384 cpu
->id_pfr0
= 0x00001131;
1385 cpu
->id_pfr1
= 0x00011011;
1386 cpu
->id_dfr0
= 0x02010555;
1387 cpu
->pmceid0
= 0x00000000;
1388 cpu
->pmceid1
= 0x00000000;
1389 cpu
->id_afr0
= 0x00000000;
1390 cpu
->id_mmfr0
= 0x10101105;
1391 cpu
->id_mmfr1
= 0x40000000;
1392 cpu
->id_mmfr2
= 0x01240000;
1393 cpu
->id_mmfr3
= 0x02102211;
1394 cpu
->id_isar0
= 0x01101110;
1395 cpu
->id_isar1
= 0x13112111;
1396 cpu
->id_isar2
= 0x21232041;
1397 cpu
->id_isar3
= 0x11112131;
1398 cpu
->id_isar4
= 0x10011142;
1399 cpu
->dbgdidr
= 0x3515f005;
1400 cpu
->clidr
= 0x0a200023;
1401 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
1402 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
1403 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
1404 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
); /* Same as A15 */
1407 static void cortex_a15_initfn(Object
*obj
)
1409 ARMCPU
*cpu
= ARM_CPU(obj
);
1411 cpu
->dtb_compatible
= "arm,cortex-a15";
1412 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1413 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1414 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1415 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1416 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1417 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
1418 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1419 set_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
);
1420 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
1421 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1422 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_CORTEX_A15
;
1423 cpu
->midr
= 0x412fc0f1;
1424 cpu
->reset_fpsid
= 0x410430f0;
1425 cpu
->mvfr0
= 0x10110222;
1426 cpu
->mvfr1
= 0x11111111;
1427 cpu
->ctr
= 0x8444c004;
1428 cpu
->reset_sctlr
= 0x00c50078;
1429 cpu
->id_pfr0
= 0x00001131;
1430 cpu
->id_pfr1
= 0x00011011;
1431 cpu
->id_dfr0
= 0x02010555;
1432 cpu
->pmceid0
= 0x0000000;
1433 cpu
->pmceid1
= 0x00000000;
1434 cpu
->id_afr0
= 0x00000000;
1435 cpu
->id_mmfr0
= 0x10201105;
1436 cpu
->id_mmfr1
= 0x20000000;
1437 cpu
->id_mmfr2
= 0x01240000;
1438 cpu
->id_mmfr3
= 0x02102211;
1439 cpu
->id_isar0
= 0x02101110;
1440 cpu
->id_isar1
= 0x13112111;
1441 cpu
->id_isar2
= 0x21232041;
1442 cpu
->id_isar3
= 0x11112131;
1443 cpu
->id_isar4
= 0x10011142;
1444 cpu
->dbgdidr
= 0x3515f021;
1445 cpu
->clidr
= 0x0a200023;
1446 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
1447 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
1448 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
1449 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
);
1452 static void ti925t_initfn(Object
*obj
)
1454 ARMCPU
*cpu
= ARM_CPU(obj
);
1455 set_feature(&cpu
->env
, ARM_FEATURE_V4T
);
1456 set_feature(&cpu
->env
, ARM_FEATURE_OMAPCP
);
1457 cpu
->midr
= ARM_CPUID_TI925T
;
1458 cpu
->ctr
= 0x5109149;
1459 cpu
->reset_sctlr
= 0x00000070;
1462 static void sa1100_initfn(Object
*obj
)
1464 ARMCPU
*cpu
= ARM_CPU(obj
);
1466 cpu
->dtb_compatible
= "intel,sa1100";
1467 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
1468 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1469 cpu
->midr
= 0x4401A11B;
1470 cpu
->reset_sctlr
= 0x00000070;
1473 static void sa1110_initfn(Object
*obj
)
1475 ARMCPU
*cpu
= ARM_CPU(obj
);
1476 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
1477 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1478 cpu
->midr
= 0x6901B119;
1479 cpu
->reset_sctlr
= 0x00000070;
1482 static void pxa250_initfn(Object
*obj
)
1484 ARMCPU
*cpu
= ARM_CPU(obj
);
1486 cpu
->dtb_compatible
= "marvell,xscale";
1487 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1488 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1489 cpu
->midr
= 0x69052100;
1490 cpu
->ctr
= 0xd172172;
1491 cpu
->reset_sctlr
= 0x00000078;
1494 static void pxa255_initfn(Object
*obj
)
1496 ARMCPU
*cpu
= ARM_CPU(obj
);
1498 cpu
->dtb_compatible
= "marvell,xscale";
1499 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1500 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1501 cpu
->midr
= 0x69052d00;
1502 cpu
->ctr
= 0xd172172;
1503 cpu
->reset_sctlr
= 0x00000078;
1506 static void pxa260_initfn(Object
*obj
)
1508 ARMCPU
*cpu
= ARM_CPU(obj
);
1510 cpu
->dtb_compatible
= "marvell,xscale";
1511 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1512 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1513 cpu
->midr
= 0x69052903;
1514 cpu
->ctr
= 0xd172172;
1515 cpu
->reset_sctlr
= 0x00000078;
1518 static void pxa261_initfn(Object
*obj
)
1520 ARMCPU
*cpu
= ARM_CPU(obj
);
1522 cpu
->dtb_compatible
= "marvell,xscale";
1523 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1524 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1525 cpu
->midr
= 0x69052d05;
1526 cpu
->ctr
= 0xd172172;
1527 cpu
->reset_sctlr
= 0x00000078;
1530 static void pxa262_initfn(Object
*obj
)
1532 ARMCPU
*cpu
= ARM_CPU(obj
);
1534 cpu
->dtb_compatible
= "marvell,xscale";
1535 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1536 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1537 cpu
->midr
= 0x69052d06;
1538 cpu
->ctr
= 0xd172172;
1539 cpu
->reset_sctlr
= 0x00000078;
1542 static void pxa270a0_initfn(Object
*obj
)
1544 ARMCPU
*cpu
= ARM_CPU(obj
);
1546 cpu
->dtb_compatible
= "marvell,xscale";
1547 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1548 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1549 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1550 cpu
->midr
= 0x69054110;
1551 cpu
->ctr
= 0xd172172;
1552 cpu
->reset_sctlr
= 0x00000078;
1555 static void pxa270a1_initfn(Object
*obj
)
1557 ARMCPU
*cpu
= ARM_CPU(obj
);
1559 cpu
->dtb_compatible
= "marvell,xscale";
1560 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1561 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1562 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1563 cpu
->midr
= 0x69054111;
1564 cpu
->ctr
= 0xd172172;
1565 cpu
->reset_sctlr
= 0x00000078;
1568 static void pxa270b0_initfn(Object
*obj
)
1570 ARMCPU
*cpu
= ARM_CPU(obj
);
1572 cpu
->dtb_compatible
= "marvell,xscale";
1573 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1574 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1575 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1576 cpu
->midr
= 0x69054112;
1577 cpu
->ctr
= 0xd172172;
1578 cpu
->reset_sctlr
= 0x00000078;
1581 static void pxa270b1_initfn(Object
*obj
)
1583 ARMCPU
*cpu
= ARM_CPU(obj
);
1585 cpu
->dtb_compatible
= "marvell,xscale";
1586 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1587 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1588 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1589 cpu
->midr
= 0x69054113;
1590 cpu
->ctr
= 0xd172172;
1591 cpu
->reset_sctlr
= 0x00000078;
1594 static void pxa270c0_initfn(Object
*obj
)
1596 ARMCPU
*cpu
= ARM_CPU(obj
);
1598 cpu
->dtb_compatible
= "marvell,xscale";
1599 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1600 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1601 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1602 cpu
->midr
= 0x69054114;
1603 cpu
->ctr
= 0xd172172;
1604 cpu
->reset_sctlr
= 0x00000078;
1607 static void pxa270c5_initfn(Object
*obj
)
1609 ARMCPU
*cpu
= ARM_CPU(obj
);
1611 cpu
->dtb_compatible
= "marvell,xscale";
1612 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1613 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1614 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1615 cpu
->midr
= 0x69054117;
1616 cpu
->ctr
= 0xd172172;
1617 cpu
->reset_sctlr
= 0x00000078;
1620 #ifdef CONFIG_USER_ONLY
1621 static void arm_any_initfn(Object
*obj
)
1623 ARMCPU
*cpu
= ARM_CPU(obj
);
1624 set_feature(&cpu
->env
, ARM_FEATURE_V8
);
1625 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1626 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1627 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1628 set_feature(&cpu
->env
, ARM_FEATURE_V8_AES
);
1629 set_feature(&cpu
->env
, ARM_FEATURE_V8_SHA1
);
1630 set_feature(&cpu
->env
, ARM_FEATURE_V8_SHA256
);
1631 set_feature(&cpu
->env
, ARM_FEATURE_V8_PMULL
);
1632 set_feature(&cpu
->env
, ARM_FEATURE_CRC
);
1633 cpu
->midr
= 0xffffffff;
1637 #endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */
1639 typedef struct ARMCPUInfo
{
1641 void (*initfn
)(Object
*obj
);
1642 void (*class_init
)(ObjectClass
*oc
, void *data
);
1645 static const ARMCPUInfo arm_cpus
[] = {
1646 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
1647 { .name
= "arm926", .initfn
= arm926_initfn
},
1648 { .name
= "arm946", .initfn
= arm946_initfn
},
1649 { .name
= "arm1026", .initfn
= arm1026_initfn
},
1650 /* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
1651 * older core than plain "arm1136". In particular this does not
1652 * have the v6K features.
1654 { .name
= "arm1136-r2", .initfn
= arm1136_r2_initfn
},
1655 { .name
= "arm1136", .initfn
= arm1136_initfn
},
1656 { .name
= "arm1176", .initfn
= arm1176_initfn
},
1657 { .name
= "arm11mpcore", .initfn
= arm11mpcore_initfn
},
1658 { .name
= "cortex-m3", .initfn
= cortex_m3_initfn
,
1659 .class_init
= arm_v7m_class_init
},
1660 { .name
= "cortex-m4", .initfn
= cortex_m4_initfn
,
1661 .class_init
= arm_v7m_class_init
},
1662 { .name
= "cortex-r5", .initfn
= cortex_r5_initfn
},
1663 { .name
= "cortex-a7", .initfn
= cortex_a7_initfn
},
1664 { .name
= "cortex-a8", .initfn
= cortex_a8_initfn
},
1665 { .name
= "cortex-a9", .initfn
= cortex_a9_initfn
},
1666 { .name
= "cortex-a15", .initfn
= cortex_a15_initfn
},
1667 { .name
= "ti925t", .initfn
= ti925t_initfn
},
1668 { .name
= "sa1100", .initfn
= sa1100_initfn
},
1669 { .name
= "sa1110", .initfn
= sa1110_initfn
},
1670 { .name
= "pxa250", .initfn
= pxa250_initfn
},
1671 { .name
= "pxa255", .initfn
= pxa255_initfn
},
1672 { .name
= "pxa260", .initfn
= pxa260_initfn
},
1673 { .name
= "pxa261", .initfn
= pxa261_initfn
},
1674 { .name
= "pxa262", .initfn
= pxa262_initfn
},
1675 /* "pxa270" is an alias for "pxa270-a0" */
1676 { .name
= "pxa270", .initfn
= pxa270a0_initfn
},
1677 { .name
= "pxa270-a0", .initfn
= pxa270a0_initfn
},
1678 { .name
= "pxa270-a1", .initfn
= pxa270a1_initfn
},
1679 { .name
= "pxa270-b0", .initfn
= pxa270b0_initfn
},
1680 { .name
= "pxa270-b1", .initfn
= pxa270b1_initfn
},
1681 { .name
= "pxa270-c0", .initfn
= pxa270c0_initfn
},
1682 { .name
= "pxa270-c5", .initfn
= pxa270c5_initfn
},
1683 #ifdef CONFIG_USER_ONLY
1684 { .name
= "any", .initfn
= arm_any_initfn
},
1690 static Property arm_cpu_properties
[] = {
1691 DEFINE_PROP_BOOL("start-powered-off", ARMCPU
, start_powered_off
, false),
1692 DEFINE_PROP_UINT32("psci-conduit", ARMCPU
, psci_conduit
, 0),
1693 DEFINE_PROP_UINT32("midr", ARMCPU
, midr
, 0),
1694 DEFINE_PROP_UINT64("mp-affinity", ARMCPU
,
1695 mp_affinity
, ARM64_AFFINITY_INVALID
),
1696 DEFINE_PROP_INT32("node-id", ARMCPU
, node_id
, CPU_UNSET_NUMA_NODE_ID
),
1697 DEFINE_PROP_END_OF_LIST()
1700 #ifdef CONFIG_USER_ONLY
1701 static int arm_cpu_handle_mmu_fault(CPUState
*cs
, vaddr address
, int rw
,
1704 ARMCPU
*cpu
= ARM_CPU(cs
);
1705 CPUARMState
*env
= &cpu
->env
;
1707 env
->exception
.vaddress
= address
;
1709 cs
->exception_index
= EXCP_PREFETCH_ABORT
;
1711 cs
->exception_index
= EXCP_DATA_ABORT
;
1717 static gchar
*arm_gdb_arch_name(CPUState
*cs
)
1719 ARMCPU
*cpu
= ARM_CPU(cs
);
1720 CPUARMState
*env
= &cpu
->env
;
1722 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
1723 return g_strdup("iwmmxt");
1725 return g_strdup("arm");
1728 static void arm_cpu_class_init(ObjectClass
*oc
, void *data
)
1730 ARMCPUClass
*acc
= ARM_CPU_CLASS(oc
);
1731 CPUClass
*cc
= CPU_CLASS(acc
);
1732 DeviceClass
*dc
= DEVICE_CLASS(oc
);
1734 acc
->parent_realize
= dc
->realize
;
1735 dc
->realize
= arm_cpu_realizefn
;
1736 dc
->props
= arm_cpu_properties
;
1738 acc
->parent_reset
= cc
->reset
;
1739 cc
->reset
= arm_cpu_reset
;
1741 cc
->class_by_name
= arm_cpu_class_by_name
;
1742 cc
->has_work
= arm_cpu_has_work
;
1743 cc
->cpu_exec_interrupt
= arm_cpu_exec_interrupt
;
1744 cc
->dump_state
= arm_cpu_dump_state
;
1745 cc
->set_pc
= arm_cpu_set_pc
;
1746 cc
->gdb_read_register
= arm_cpu_gdb_read_register
;
1747 cc
->gdb_write_register
= arm_cpu_gdb_write_register
;
1748 #ifdef CONFIG_USER_ONLY
1749 cc
->handle_mmu_fault
= arm_cpu_handle_mmu_fault
;
1751 cc
->do_interrupt
= arm_cpu_do_interrupt
;
1752 cc
->do_unaligned_access
= arm_cpu_do_unaligned_access
;
1753 cc
->do_transaction_failed
= arm_cpu_do_transaction_failed
;
1754 cc
->get_phys_page_attrs_debug
= arm_cpu_get_phys_page_attrs_debug
;
1755 cc
->asidx_from_attrs
= arm_asidx_from_attrs
;
1756 cc
->vmsd
= &vmstate_arm_cpu
;
1757 cc
->virtio_is_big_endian
= arm_cpu_virtio_is_big_endian
;
1758 cc
->write_elf64_note
= arm_cpu_write_elf64_note
;
1759 cc
->write_elf32_note
= arm_cpu_write_elf32_note
;
1761 cc
->gdb_num_core_regs
= 26;
1762 cc
->gdb_core_xml_file
= "arm-core.xml";
1763 cc
->gdb_arch_name
= arm_gdb_arch_name
;
1764 cc
->gdb_stop_before_watchpoint
= true;
1765 cc
->debug_excp_handler
= arm_debug_excp_handler
;
1766 cc
->debug_check_watchpoint
= arm_debug_check_watchpoint
;
1767 #if !defined(CONFIG_USER_ONLY)
1768 cc
->adjust_watchpoint_address
= arm_adjust_watchpoint_address
;
1771 cc
->disas_set_info
= arm_disas_set_info
;
1774 static void cpu_register(const ARMCPUInfo
*info
)
1776 TypeInfo type_info
= {
1777 .parent
= TYPE_ARM_CPU
,
1778 .instance_size
= sizeof(ARMCPU
),
1779 .instance_init
= info
->initfn
,
1780 .class_size
= sizeof(ARMCPUClass
),
1781 .class_init
= info
->class_init
,
1784 type_info
.name
= g_strdup_printf("%s-" TYPE_ARM_CPU
, info
->name
);
1785 type_register(&type_info
);
1786 g_free((void *)type_info
.name
);
1789 static const TypeInfo arm_cpu_type_info
= {
1790 .name
= TYPE_ARM_CPU
,
1792 .instance_size
= sizeof(ARMCPU
),
1793 .instance_init
= arm_cpu_initfn
,
1794 .instance_post_init
= arm_cpu_post_init
,
1795 .instance_finalize
= arm_cpu_finalizefn
,
1797 .class_size
= sizeof(ARMCPUClass
),
1798 .class_init
= arm_cpu_class_init
,
1801 static void arm_cpu_register_types(void)
1803 const ARMCPUInfo
*info
= arm_cpus
;
1805 type_register_static(&arm_cpu_type_info
);
1807 while (info
->name
) {
1813 type_init(arm_cpu_register_types
)