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"
36 #include "disas/capstone.h"
38 static void arm_cpu_set_pc(CPUState
*cs
, vaddr value
)
40 ARMCPU
*cpu
= ARM_CPU(cs
);
42 cpu
->env
.regs
[15] = value
;
45 static bool arm_cpu_has_work(CPUState
*cs
)
47 ARMCPU
*cpu
= ARM_CPU(cs
);
49 return (cpu
->power_state
!= PSCI_OFF
)
50 && cs
->interrupt_request
&
51 (CPU_INTERRUPT_FIQ
| CPU_INTERRUPT_HARD
52 | CPU_INTERRUPT_VFIQ
| CPU_INTERRUPT_VIRQ
53 | CPU_INTERRUPT_EXITTB
);
56 void arm_register_el_change_hook(ARMCPU
*cpu
, ARMELChangeHook
*hook
,
59 /* We currently only support registering a single hook function */
60 assert(!cpu
->el_change_hook
);
61 cpu
->el_change_hook
= hook
;
62 cpu
->el_change_hook_opaque
= opaque
;
65 static void cp_reg_reset(gpointer key
, gpointer value
, gpointer opaque
)
67 /* Reset a single ARMCPRegInfo register */
68 ARMCPRegInfo
*ri
= value
;
71 if (ri
->type
& (ARM_CP_SPECIAL
| ARM_CP_ALIAS
)) {
76 ri
->resetfn(&cpu
->env
, ri
);
80 /* A zero offset is never possible as it would be regs[0]
81 * so we use it to indicate that reset is being handled elsewhere.
82 * This is basically only used for fields in non-core coprocessors
83 * (like the pxa2xx ones).
85 if (!ri
->fieldoffset
) {
89 if (cpreg_field_is_64bit(ri
)) {
90 CPREG_FIELD64(&cpu
->env
, ri
) = ri
->resetvalue
;
92 CPREG_FIELD32(&cpu
->env
, ri
) = ri
->resetvalue
;
96 static void cp_reg_check_reset(gpointer key
, gpointer value
, gpointer opaque
)
98 /* Purely an assertion check: we've already done reset once,
99 * so now check that running the reset for the cpreg doesn't
100 * change its value. This traps bugs where two different cpregs
101 * both try to reset the same state field but to different values.
103 ARMCPRegInfo
*ri
= value
;
104 ARMCPU
*cpu
= opaque
;
105 uint64_t oldvalue
, newvalue
;
107 if (ri
->type
& (ARM_CP_SPECIAL
| ARM_CP_ALIAS
| ARM_CP_NO_RAW
)) {
111 oldvalue
= read_raw_cp_reg(&cpu
->env
, ri
);
112 cp_reg_reset(key
, value
, opaque
);
113 newvalue
= read_raw_cp_reg(&cpu
->env
, ri
);
114 assert(oldvalue
== newvalue
);
117 /* CPUClass::reset() */
118 static void arm_cpu_reset(CPUState
*s
)
120 ARMCPU
*cpu
= ARM_CPU(s
);
121 ARMCPUClass
*acc
= ARM_CPU_GET_CLASS(cpu
);
122 CPUARMState
*env
= &cpu
->env
;
124 acc
->parent_reset(s
);
126 memset(env
, 0, offsetof(CPUARMState
, end_reset_fields
));
128 g_hash_table_foreach(cpu
->cp_regs
, cp_reg_reset
, cpu
);
129 g_hash_table_foreach(cpu
->cp_regs
, cp_reg_check_reset
, cpu
);
131 env
->vfp
.xregs
[ARM_VFP_FPSID
] = cpu
->reset_fpsid
;
132 env
->vfp
.xregs
[ARM_VFP_MVFR0
] = cpu
->mvfr0
;
133 env
->vfp
.xregs
[ARM_VFP_MVFR1
] = cpu
->mvfr1
;
134 env
->vfp
.xregs
[ARM_VFP_MVFR2
] = cpu
->mvfr2
;
136 cpu
->power_state
= cpu
->start_powered_off
? PSCI_OFF
: PSCI_ON
;
137 s
->halted
= cpu
->start_powered_off
;
139 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
140 env
->iwmmxt
.cregs
[ARM_IWMMXT_wCID
] = 0x69051000 | 'Q';
143 if (arm_feature(env
, ARM_FEATURE_AARCH64
)) {
144 /* 64 bit CPUs always start in 64 bit mode */
146 #if defined(CONFIG_USER_ONLY)
147 env
->pstate
= PSTATE_MODE_EL0t
;
148 /* Userspace expects access to DC ZVA, CTL_EL0 and the cache ops */
149 env
->cp15
.sctlr_el
[1] |= SCTLR_UCT
| SCTLR_UCI
| SCTLR_DZE
;
150 /* and to the FP/Neon instructions */
151 env
->cp15
.cpacr_el1
= deposit64(env
->cp15
.cpacr_el1
, 20, 2, 3);
153 /* Reset into the highest available EL */
154 if (arm_feature(env
, ARM_FEATURE_EL3
)) {
155 env
->pstate
= PSTATE_MODE_EL3h
;
156 } else if (arm_feature(env
, ARM_FEATURE_EL2
)) {
157 env
->pstate
= PSTATE_MODE_EL2h
;
159 env
->pstate
= PSTATE_MODE_EL1h
;
161 env
->pc
= cpu
->rvbar
;
164 #if defined(CONFIG_USER_ONLY)
165 /* Userspace expects access to cp10 and cp11 for FP/Neon */
166 env
->cp15
.cpacr_el1
= deposit64(env
->cp15
.cpacr_el1
, 20, 4, 0xf);
170 #if defined(CONFIG_USER_ONLY)
171 env
->uncached_cpsr
= ARM_CPU_MODE_USR
;
172 /* For user mode we must enable access to coprocessors */
173 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 1 << 30;
174 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
175 env
->cp15
.c15_cpar
= 3;
176 } else if (arm_feature(env
, ARM_FEATURE_XSCALE
)) {
177 env
->cp15
.c15_cpar
= 1;
180 /* SVC mode with interrupts disabled. */
181 env
->uncached_cpsr
= ARM_CPU_MODE_SVC
;
182 env
->daif
= PSTATE_D
| PSTATE_A
| PSTATE_I
| PSTATE_F
;
184 if (arm_feature(env
, ARM_FEATURE_M
)) {
185 uint32_t initial_msp
; /* Loaded from 0x0 */
186 uint32_t initial_pc
; /* Loaded from 0x4 */
189 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
190 env
->v7m
.secure
= true;
192 /* This bit resets to 0 if security is supported, but 1 if
193 * it is not. The bit is not present in v7M, but we set it
194 * here so we can avoid having to make checks on it conditional
195 * on ARM_FEATURE_V8 (we don't let the guest see the bit).
197 env
->v7m
.aircr
= R_V7M_AIRCR_BFHFNMINS_MASK
;
200 /* In v7M the reset value of this bit is IMPDEF, but ARM recommends
201 * that it resets to 1, so QEMU always does that rather than making
202 * it dependent on CPU model. In v8M it is RES1.
204 env
->v7m
.ccr
[M_REG_NS
] = R_V7M_CCR_STKALIGN_MASK
;
205 env
->v7m
.ccr
[M_REG_S
] = R_V7M_CCR_STKALIGN_MASK
;
206 if (arm_feature(env
, ARM_FEATURE_V8
)) {
207 /* in v8M the NONBASETHRDENA bit [0] is RES1 */
208 env
->v7m
.ccr
[M_REG_NS
] |= R_V7M_CCR_NONBASETHRDENA_MASK
;
209 env
->v7m
.ccr
[M_REG_S
] |= R_V7M_CCR_NONBASETHRDENA_MASK
;
212 /* Unlike A/R profile, M profile defines the reset LR value */
213 env
->regs
[14] = 0xffffffff;
215 /* Load the initial SP and PC from the vector table at address 0 */
218 /* Address zero is covered by ROM which hasn't yet been
219 * copied into physical memory.
221 initial_msp
= ldl_p(rom
);
222 initial_pc
= ldl_p(rom
+ 4);
224 /* Address zero not covered by a ROM blob, or the ROM blob
225 * is in non-modifiable memory and this is a second reset after
226 * it got copied into memory. In the latter case, rom_ptr
227 * will return a NULL pointer and we should use ldl_phys instead.
229 initial_msp
= ldl_phys(s
->as
, 0);
230 initial_pc
= ldl_phys(s
->as
, 4);
233 env
->regs
[13] = initial_msp
& 0xFFFFFFFC;
234 env
->regs
[15] = initial_pc
& ~1;
235 env
->thumb
= initial_pc
& 1;
238 /* AArch32 has a hard highvec setting of 0xFFFF0000. If we are currently
239 * executing as AArch32 then check if highvecs are enabled and
240 * adjust the PC accordingly.
242 if (A32_BANKED_CURRENT_REG_GET(env
, sctlr
) & SCTLR_V
) {
243 env
->regs
[15] = 0xFFFF0000;
246 /* M profile requires that reset clears the exclusive monitor;
247 * A profile does not, but clearing it makes more sense than having it
248 * set with an exclusive access on address zero.
250 arm_clear_exclusive(env
);
252 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 0;
255 if (arm_feature(env
, ARM_FEATURE_PMSA
)) {
256 if (cpu
->pmsav7_dregion
> 0) {
257 if (arm_feature(env
, ARM_FEATURE_V8
)) {
258 memset(env
->pmsav8
.rbar
[M_REG_NS
], 0,
259 sizeof(*env
->pmsav8
.rbar
[M_REG_NS
])
260 * cpu
->pmsav7_dregion
);
261 memset(env
->pmsav8
.rlar
[M_REG_NS
], 0,
262 sizeof(*env
->pmsav8
.rlar
[M_REG_NS
])
263 * cpu
->pmsav7_dregion
);
264 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
265 memset(env
->pmsav8
.rbar
[M_REG_S
], 0,
266 sizeof(*env
->pmsav8
.rbar
[M_REG_S
])
267 * cpu
->pmsav7_dregion
);
268 memset(env
->pmsav8
.rlar
[M_REG_S
], 0,
269 sizeof(*env
->pmsav8
.rlar
[M_REG_S
])
270 * cpu
->pmsav7_dregion
);
272 } else if (arm_feature(env
, ARM_FEATURE_V7
)) {
273 memset(env
->pmsav7
.drbar
, 0,
274 sizeof(*env
->pmsav7
.drbar
) * cpu
->pmsav7_dregion
);
275 memset(env
->pmsav7
.drsr
, 0,
276 sizeof(*env
->pmsav7
.drsr
) * cpu
->pmsav7_dregion
);
277 memset(env
->pmsav7
.dracr
, 0,
278 sizeof(*env
->pmsav7
.dracr
) * cpu
->pmsav7_dregion
);
281 env
->pmsav7
.rnr
[M_REG_NS
] = 0;
282 env
->pmsav7
.rnr
[M_REG_S
] = 0;
283 env
->pmsav8
.mair0
[M_REG_NS
] = 0;
284 env
->pmsav8
.mair0
[M_REG_S
] = 0;
285 env
->pmsav8
.mair1
[M_REG_NS
] = 0;
286 env
->pmsav8
.mair1
[M_REG_S
] = 0;
289 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
290 if (cpu
->sau_sregion
> 0) {
291 memset(env
->sau
.rbar
, 0, sizeof(*env
->sau
.rbar
) * cpu
->sau_sregion
);
292 memset(env
->sau
.rlar
, 0, sizeof(*env
->sau
.rlar
) * cpu
->sau_sregion
);
295 /* SAU_CTRL reset value is IMPDEF; we choose 0, which is what
296 * the Cortex-M33 does.
301 set_flush_to_zero(1, &env
->vfp
.standard_fp_status
);
302 set_flush_inputs_to_zero(1, &env
->vfp
.standard_fp_status
);
303 set_default_nan_mode(1, &env
->vfp
.standard_fp_status
);
304 set_float_detect_tininess(float_tininess_before_rounding
,
305 &env
->vfp
.fp_status
);
306 set_float_detect_tininess(float_tininess_before_rounding
,
307 &env
->vfp
.standard_fp_status
);
308 #ifndef CONFIG_USER_ONLY
310 kvm_arm_reset_vcpu(cpu
);
314 hw_breakpoint_update_all(cpu
);
315 hw_watchpoint_update_all(cpu
);
318 bool arm_cpu_exec_interrupt(CPUState
*cs
, int interrupt_request
)
320 CPUClass
*cc
= CPU_GET_CLASS(cs
);
321 CPUARMState
*env
= cs
->env_ptr
;
322 uint32_t cur_el
= arm_current_el(env
);
323 bool secure
= arm_is_secure(env
);
328 if (interrupt_request
& CPU_INTERRUPT_FIQ
) {
330 target_el
= arm_phys_excp_target_el(cs
, excp_idx
, cur_el
, secure
);
331 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
332 cs
->exception_index
= excp_idx
;
333 env
->exception
.target_el
= target_el
;
334 cc
->do_interrupt(cs
);
338 if (interrupt_request
& CPU_INTERRUPT_HARD
) {
340 target_el
= arm_phys_excp_target_el(cs
, excp_idx
, cur_el
, secure
);
341 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
342 cs
->exception_index
= excp_idx
;
343 env
->exception
.target_el
= target_el
;
344 cc
->do_interrupt(cs
);
348 if (interrupt_request
& CPU_INTERRUPT_VIRQ
) {
349 excp_idx
= EXCP_VIRQ
;
351 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
352 cs
->exception_index
= excp_idx
;
353 env
->exception
.target_el
= target_el
;
354 cc
->do_interrupt(cs
);
358 if (interrupt_request
& CPU_INTERRUPT_VFIQ
) {
359 excp_idx
= EXCP_VFIQ
;
361 if (arm_excp_unmasked(cs
, excp_idx
, target_el
)) {
362 cs
->exception_index
= excp_idx
;
363 env
->exception
.target_el
= target_el
;
364 cc
->do_interrupt(cs
);
372 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
373 static bool arm_v7m_cpu_exec_interrupt(CPUState
*cs
, int interrupt_request
)
375 CPUClass
*cc
= CPU_GET_CLASS(cs
);
376 ARMCPU
*cpu
= ARM_CPU(cs
);
377 CPUARMState
*env
= &cpu
->env
;
380 /* ARMv7-M interrupt masking works differently than -A or -R.
381 * There is no FIQ/IRQ distinction. Instead of I and F bits
382 * masking FIQ and IRQ interrupts, an exception is taken only
383 * if it is higher priority than the current execution priority
384 * (which depends on state like BASEPRI, FAULTMASK and the
385 * currently active exception).
387 if (interrupt_request
& CPU_INTERRUPT_HARD
388 && (armv7m_nvic_can_take_pending_exception(env
->nvic
))) {
389 cs
->exception_index
= EXCP_IRQ
;
390 cc
->do_interrupt(cs
);
397 #ifndef CONFIG_USER_ONLY
398 static void arm_cpu_set_irq(void *opaque
, int irq
, int level
)
400 ARMCPU
*cpu
= opaque
;
401 CPUARMState
*env
= &cpu
->env
;
402 CPUState
*cs
= CPU(cpu
);
403 static const int mask
[] = {
404 [ARM_CPU_IRQ
] = CPU_INTERRUPT_HARD
,
405 [ARM_CPU_FIQ
] = CPU_INTERRUPT_FIQ
,
406 [ARM_CPU_VIRQ
] = CPU_INTERRUPT_VIRQ
,
407 [ARM_CPU_VFIQ
] = CPU_INTERRUPT_VFIQ
413 assert(arm_feature(env
, ARM_FEATURE_EL2
));
418 cpu_interrupt(cs
, mask
[irq
]);
420 cpu_reset_interrupt(cs
, mask
[irq
]);
424 g_assert_not_reached();
428 static void arm_cpu_kvm_set_irq(void *opaque
, int irq
, int level
)
431 ARMCPU
*cpu
= opaque
;
432 CPUState
*cs
= CPU(cpu
);
433 int kvm_irq
= KVM_ARM_IRQ_TYPE_CPU
<< KVM_ARM_IRQ_TYPE_SHIFT
;
437 kvm_irq
|= KVM_ARM_IRQ_CPU_IRQ
;
440 kvm_irq
|= KVM_ARM_IRQ_CPU_FIQ
;
443 g_assert_not_reached();
445 kvm_irq
|= cs
->cpu_index
<< KVM_ARM_IRQ_VCPU_SHIFT
;
446 kvm_set_irq(kvm_state
, kvm_irq
, level
? 1 : 0);
450 static bool arm_cpu_virtio_is_big_endian(CPUState
*cs
)
452 ARMCPU
*cpu
= ARM_CPU(cs
);
453 CPUARMState
*env
= &cpu
->env
;
455 cpu_synchronize_state(cs
);
456 return arm_cpu_data_is_big_endian(env
);
461 static inline void set_feature(CPUARMState
*env
, int feature
)
463 env
->features
|= 1ULL << feature
;
466 static inline void unset_feature(CPUARMState
*env
, int feature
)
468 env
->features
&= ~(1ULL << feature
);
472 print_insn_thumb1(bfd_vma pc
, disassemble_info
*info
)
474 return print_insn_arm(pc
| 1, info
);
477 static void arm_disas_set_info(CPUState
*cpu
, disassemble_info
*info
)
479 ARMCPU
*ac
= ARM_CPU(cpu
);
480 CPUARMState
*env
= &ac
->env
;
484 /* We might not be compiled with the A64 disassembler
485 * because it needs a C++ compiler. Leave print_insn
486 * unset in this case to use the caller default behaviour.
488 #if defined(CONFIG_ARM_A64_DIS)
489 info
->print_insn
= print_insn_arm_a64
;
491 info
->cap_arch
= CS_ARCH_ARM64
;
495 info
->print_insn
= print_insn_thumb1
;
496 cap_mode
= CS_MODE_THUMB
;
498 info
->print_insn
= print_insn_arm
;
499 cap_mode
= CS_MODE_ARM
;
501 if (arm_feature(env
, ARM_FEATURE_V8
)) {
502 cap_mode
|= CS_MODE_V8
;
504 if (arm_feature(env
, ARM_FEATURE_M
)) {
505 cap_mode
|= CS_MODE_MCLASS
;
507 info
->cap_arch
= CS_ARCH_ARM
;
508 info
->cap_mode
= cap_mode
;
511 sctlr_b
= arm_sctlr_b(env
);
512 if (bswap_code(sctlr_b
)) {
513 #ifdef TARGET_WORDS_BIGENDIAN
514 info
->endian
= BFD_ENDIAN_LITTLE
;
516 info
->endian
= BFD_ENDIAN_BIG
;
519 info
->flags
&= ~INSN_ARM_BE32
;
520 #ifndef CONFIG_USER_ONLY
522 info
->flags
|= INSN_ARM_BE32
;
527 uint64_t arm_cpu_mp_affinity(int idx
, uint8_t clustersz
)
529 uint32_t Aff1
= idx
/ clustersz
;
530 uint32_t Aff0
= idx
% clustersz
;
531 return (Aff1
<< ARM_AFF1_SHIFT
) | Aff0
;
534 static void arm_cpu_initfn(Object
*obj
)
536 CPUState
*cs
= CPU(obj
);
537 ARMCPU
*cpu
= ARM_CPU(obj
);
540 cs
->env_ptr
= &cpu
->env
;
541 cpu
->cp_regs
= g_hash_table_new_full(g_int_hash
, g_int_equal
,
544 #ifndef CONFIG_USER_ONLY
545 /* Our inbound IRQ and FIQ lines */
547 /* VIRQ and VFIQ are unused with KVM but we add them to maintain
548 * the same interface as non-KVM CPUs.
550 qdev_init_gpio_in(DEVICE(cpu
), arm_cpu_kvm_set_irq
, 4);
552 qdev_init_gpio_in(DEVICE(cpu
), arm_cpu_set_irq
, 4);
555 cpu
->gt_timer
[GTIMER_PHYS
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
556 arm_gt_ptimer_cb
, cpu
);
557 cpu
->gt_timer
[GTIMER_VIRT
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
558 arm_gt_vtimer_cb
, cpu
);
559 cpu
->gt_timer
[GTIMER_HYP
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
560 arm_gt_htimer_cb
, cpu
);
561 cpu
->gt_timer
[GTIMER_SEC
] = timer_new(QEMU_CLOCK_VIRTUAL
, GTIMER_SCALE
,
562 arm_gt_stimer_cb
, cpu
);
563 qdev_init_gpio_out(DEVICE(cpu
), cpu
->gt_timer_outputs
,
564 ARRAY_SIZE(cpu
->gt_timer_outputs
));
566 qdev_init_gpio_out_named(DEVICE(cpu
), &cpu
->gicv3_maintenance_interrupt
,
567 "gicv3-maintenance-interrupt", 1);
568 qdev_init_gpio_out_named(DEVICE(cpu
), &cpu
->pmu_interrupt
,
572 /* DTB consumers generally don't in fact care what the 'compatible'
573 * string is, so always provide some string and trust that a hypothetical
574 * picky DTB consumer will also provide a helpful error message.
576 cpu
->dtb_compatible
= "qemu,unknown";
577 cpu
->psci_version
= 1; /* By default assume PSCI v0.1 */
578 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_NONE
;
581 cpu
->psci_version
= 2; /* TCG implements PSCI 0.2 */
584 arm_translate_init();
589 static Property arm_cpu_reset_cbar_property
=
590 DEFINE_PROP_UINT64("reset-cbar", ARMCPU
, reset_cbar
, 0);
592 static Property arm_cpu_reset_hivecs_property
=
593 DEFINE_PROP_BOOL("reset-hivecs", ARMCPU
, reset_hivecs
, false);
595 static Property arm_cpu_rvbar_property
=
596 DEFINE_PROP_UINT64("rvbar", ARMCPU
, rvbar
, 0);
598 static Property arm_cpu_has_el2_property
=
599 DEFINE_PROP_BOOL("has_el2", ARMCPU
, has_el2
, true);
601 static Property arm_cpu_has_el3_property
=
602 DEFINE_PROP_BOOL("has_el3", ARMCPU
, has_el3
, true);
604 static Property arm_cpu_cfgend_property
=
605 DEFINE_PROP_BOOL("cfgend", ARMCPU
, cfgend
, false);
607 /* use property name "pmu" to match other archs and virt tools */
608 static Property arm_cpu_has_pmu_property
=
609 DEFINE_PROP_BOOL("pmu", ARMCPU
, has_pmu
, true);
611 static Property arm_cpu_has_mpu_property
=
612 DEFINE_PROP_BOOL("has-mpu", ARMCPU
, has_mpu
, true);
614 /* This is like DEFINE_PROP_UINT32 but it doesn't set the default value,
615 * because the CPU initfn will have already set cpu->pmsav7_dregion to
616 * the right value for that particular CPU type, and we don't want
617 * to override that with an incorrect constant value.
619 static Property arm_cpu_pmsav7_dregion_property
=
620 DEFINE_PROP_UNSIGNED_NODEFAULT("pmsav7-dregion", ARMCPU
,
622 qdev_prop_uint32
, uint32_t);
624 static void arm_cpu_post_init(Object
*obj
)
626 ARMCPU
*cpu
= ARM_CPU(obj
);
628 /* M profile implies PMSA. We have to do this here rather than
629 * in realize with the other feature-implication checks because
630 * we look at the PMSA bit to see if we should add some properties.
632 if (arm_feature(&cpu
->env
, ARM_FEATURE_M
)) {
633 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
636 if (arm_feature(&cpu
->env
, ARM_FEATURE_CBAR
) ||
637 arm_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
)) {
638 qdev_property_add_static(DEVICE(obj
), &arm_cpu_reset_cbar_property
,
642 if (!arm_feature(&cpu
->env
, ARM_FEATURE_M
)) {
643 qdev_property_add_static(DEVICE(obj
), &arm_cpu_reset_hivecs_property
,
647 if (arm_feature(&cpu
->env
, ARM_FEATURE_AARCH64
)) {
648 qdev_property_add_static(DEVICE(obj
), &arm_cpu_rvbar_property
,
652 if (arm_feature(&cpu
->env
, ARM_FEATURE_EL3
)) {
653 /* Add the has_el3 state CPU property only if EL3 is allowed. This will
654 * prevent "has_el3" from existing on CPUs which cannot support EL3.
656 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_el3_property
,
659 #ifndef CONFIG_USER_ONLY
660 object_property_add_link(obj
, "secure-memory",
662 (Object
**)&cpu
->secure_memory
,
663 qdev_prop_allow_set_link_before_realize
,
664 OBJ_PROP_LINK_UNREF_ON_RELEASE
,
669 if (arm_feature(&cpu
->env
, ARM_FEATURE_EL2
)) {
670 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_el2_property
,
674 if (arm_feature(&cpu
->env
, ARM_FEATURE_PMU
)) {
675 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_pmu_property
,
679 if (arm_feature(&cpu
->env
, ARM_FEATURE_PMSA
)) {
680 qdev_property_add_static(DEVICE(obj
), &arm_cpu_has_mpu_property
,
682 if (arm_feature(&cpu
->env
, ARM_FEATURE_V7
)) {
683 qdev_property_add_static(DEVICE(obj
),
684 &arm_cpu_pmsav7_dregion_property
,
689 qdev_property_add_static(DEVICE(obj
), &arm_cpu_cfgend_property
,
693 static void arm_cpu_finalizefn(Object
*obj
)
695 ARMCPU
*cpu
= ARM_CPU(obj
);
696 g_hash_table_destroy(cpu
->cp_regs
);
699 static void arm_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
701 CPUState
*cs
= CPU(dev
);
702 ARMCPU
*cpu
= ARM_CPU(dev
);
703 ARMCPUClass
*acc
= ARM_CPU_GET_CLASS(dev
);
704 CPUARMState
*env
= &cpu
->env
;
706 Error
*local_err
= NULL
;
707 #ifndef CONFIG_USER_ONLY
711 cpu_exec_realizefn(cs
, &local_err
);
712 if (local_err
!= NULL
) {
713 error_propagate(errp
, local_err
);
717 /* Some features automatically imply others: */
718 if (arm_feature(env
, ARM_FEATURE_V8
)) {
719 set_feature(env
, ARM_FEATURE_V7
);
720 set_feature(env
, ARM_FEATURE_ARM_DIV
);
721 set_feature(env
, ARM_FEATURE_LPAE
);
723 if (arm_feature(env
, ARM_FEATURE_V7
)) {
724 set_feature(env
, ARM_FEATURE_VAPA
);
725 set_feature(env
, ARM_FEATURE_THUMB2
);
726 set_feature(env
, ARM_FEATURE_MPIDR
);
727 if (!arm_feature(env
, ARM_FEATURE_M
)) {
728 set_feature(env
, ARM_FEATURE_V6K
);
730 set_feature(env
, ARM_FEATURE_V6
);
733 /* Always define VBAR for V7 CPUs even if it doesn't exist in
734 * non-EL3 configs. This is needed by some legacy boards.
736 set_feature(env
, ARM_FEATURE_VBAR
);
738 if (arm_feature(env
, ARM_FEATURE_V6K
)) {
739 set_feature(env
, ARM_FEATURE_V6
);
740 set_feature(env
, ARM_FEATURE_MVFR
);
742 if (arm_feature(env
, ARM_FEATURE_V6
)) {
743 set_feature(env
, ARM_FEATURE_V5
);
744 set_feature(env
, ARM_FEATURE_JAZELLE
);
745 if (!arm_feature(env
, ARM_FEATURE_M
)) {
746 set_feature(env
, ARM_FEATURE_AUXCR
);
749 if (arm_feature(env
, ARM_FEATURE_V5
)) {
750 set_feature(env
, ARM_FEATURE_V4T
);
752 if (arm_feature(env
, ARM_FEATURE_M
)) {
753 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
755 if (arm_feature(env
, ARM_FEATURE_ARM_DIV
)) {
756 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
758 if (arm_feature(env
, ARM_FEATURE_VFP4
)) {
759 set_feature(env
, ARM_FEATURE_VFP3
);
760 set_feature(env
, ARM_FEATURE_VFP_FP16
);
762 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
763 set_feature(env
, ARM_FEATURE_VFP
);
765 if (arm_feature(env
, ARM_FEATURE_LPAE
)) {
766 set_feature(env
, ARM_FEATURE_V7MP
);
767 set_feature(env
, ARM_FEATURE_PXN
);
769 if (arm_feature(env
, ARM_FEATURE_CBAR_RO
)) {
770 set_feature(env
, ARM_FEATURE_CBAR
);
772 if (arm_feature(env
, ARM_FEATURE_THUMB2
) &&
773 !arm_feature(env
, ARM_FEATURE_M
)) {
774 set_feature(env
, ARM_FEATURE_THUMB_DSP
);
777 if (arm_feature(env
, ARM_FEATURE_V7
) &&
778 !arm_feature(env
, ARM_FEATURE_M
) &&
779 !arm_feature(env
, ARM_FEATURE_PMSA
)) {
780 /* v7VMSA drops support for the old ARMv5 tiny pages, so we
785 /* For CPUs which might have tiny 1K pages, or which have an
786 * MPU and might have small region sizes, stick with 1K pages.
790 if (!set_preferred_target_page_bits(pagebits
)) {
791 /* This can only ever happen for hotplugging a CPU, or if
792 * the board code incorrectly creates a CPU which it has
793 * promised via minimum_page_size that it will not.
795 error_setg(errp
, "This CPU requires a smaller page size than the "
800 /* This cpu-id-to-MPIDR affinity is used only for TCG; KVM will override it.
801 * We don't support setting cluster ID ([16..23]) (known as Aff2
802 * in later ARM ARM versions), or any of the higher affinity level fields,
803 * so these bits always RAZ.
805 if (cpu
->mp_affinity
== ARM64_AFFINITY_INVALID
) {
806 cpu
->mp_affinity
= arm_cpu_mp_affinity(cs
->cpu_index
,
807 ARM_DEFAULT_CPUS_PER_CLUSTER
);
810 if (cpu
->reset_hivecs
) {
811 cpu
->reset_sctlr
|= (1 << 13);
815 if (arm_feature(&cpu
->env
, ARM_FEATURE_V7
)) {
816 cpu
->reset_sctlr
|= SCTLR_EE
;
818 cpu
->reset_sctlr
|= SCTLR_B
;
823 /* If the has_el3 CPU property is disabled then we need to disable the
826 unset_feature(env
, ARM_FEATURE_EL3
);
828 /* Disable the security extension feature bits in the processor feature
829 * registers as well. These are id_pfr1[7:4] and id_aa64pfr0[15:12].
831 cpu
->id_pfr1
&= ~0xf0;
832 cpu
->id_aa64pfr0
&= ~0xf000;
836 unset_feature(env
, ARM_FEATURE_EL2
);
840 unset_feature(env
, ARM_FEATURE_PMU
);
841 cpu
->id_aa64dfr0
&= ~0xf00;
844 if (!arm_feature(env
, ARM_FEATURE_EL2
)) {
845 /* Disable the hypervisor feature bits in the processor feature
846 * registers if we don't have EL2. These are id_pfr1[15:12] and
847 * id_aa64pfr0_el1[11:8].
849 cpu
->id_aa64pfr0
&= ~0xf00;
850 cpu
->id_pfr1
&= ~0xf000;
853 /* MPU can be configured out of a PMSA CPU either by setting has-mpu
854 * to false or by setting pmsav7-dregion to 0.
857 cpu
->pmsav7_dregion
= 0;
859 if (cpu
->pmsav7_dregion
== 0) {
860 cpu
->has_mpu
= false;
863 if (arm_feature(env
, ARM_FEATURE_PMSA
) &&
864 arm_feature(env
, ARM_FEATURE_V7
)) {
865 uint32_t nr
= cpu
->pmsav7_dregion
;
868 error_setg(errp
, "PMSAv7 MPU #regions invalid %" PRIu32
, nr
);
873 if (arm_feature(env
, ARM_FEATURE_V8
)) {
875 env
->pmsav8
.rbar
[M_REG_NS
] = g_new0(uint32_t, nr
);
876 env
->pmsav8
.rlar
[M_REG_NS
] = g_new0(uint32_t, nr
);
877 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
878 env
->pmsav8
.rbar
[M_REG_S
] = g_new0(uint32_t, nr
);
879 env
->pmsav8
.rlar
[M_REG_S
] = g_new0(uint32_t, nr
);
882 env
->pmsav7
.drbar
= g_new0(uint32_t, nr
);
883 env
->pmsav7
.drsr
= g_new0(uint32_t, nr
);
884 env
->pmsav7
.dracr
= g_new0(uint32_t, nr
);
889 if (arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
890 uint32_t nr
= cpu
->sau_sregion
;
893 error_setg(errp
, "v8M SAU #regions invalid %" PRIu32
, nr
);
898 env
->sau
.rbar
= g_new0(uint32_t, nr
);
899 env
->sau
.rlar
= g_new0(uint32_t, nr
);
903 if (arm_feature(env
, ARM_FEATURE_EL3
)) {
904 set_feature(env
, ARM_FEATURE_VBAR
);
907 register_cp_regs_for_features(cpu
);
908 arm_cpu_register_gdb_regs_for_features(cpu
);
910 init_cpreg_list(cpu
);
912 #ifndef CONFIG_USER_ONLY
913 if (cpu
->has_el3
|| arm_feature(env
, ARM_FEATURE_M_SECURITY
)) {
914 as
= g_new0(AddressSpace
, 1);
918 if (!cpu
->secure_memory
) {
919 cpu
->secure_memory
= cs
->memory
;
921 address_space_init(as
, cpu
->secure_memory
, "cpu-secure-memory");
922 cpu_address_space_init(cs
, as
, ARMASIdx_S
);
926 as
= g_new0(AddressSpace
, 1);
927 address_space_init(as
, cs
->memory
, "cpu-memory");
928 cpu_address_space_init(cs
, as
, ARMASIdx_NS
);
934 acc
->parent_realize(dev
, errp
);
937 static ObjectClass
*arm_cpu_class_by_name(const char *cpu_model
)
943 cpuname
= g_strsplit(cpu_model
, ",", 1);
944 typename
= g_strdup_printf(ARM_CPU_TYPE_NAME("%s"), cpuname
[0]);
945 oc
= object_class_by_name(typename
);
948 if (!oc
|| !object_class_dynamic_cast(oc
, TYPE_ARM_CPU
) ||
949 object_class_is_abstract(oc
)) {
955 /* CPU models. These are not needed for the AArch64 linux-user build. */
956 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
958 static void arm926_initfn(Object
*obj
)
960 ARMCPU
*cpu
= ARM_CPU(obj
);
962 cpu
->dtb_compatible
= "arm,arm926";
963 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
964 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
965 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
966 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
967 set_feature(&cpu
->env
, ARM_FEATURE_JAZELLE
);
968 cpu
->midr
= 0x41069265;
969 cpu
->reset_fpsid
= 0x41011090;
970 cpu
->ctr
= 0x1dd20d2;
971 cpu
->reset_sctlr
= 0x00090078;
974 static void arm946_initfn(Object
*obj
)
976 ARMCPU
*cpu
= ARM_CPU(obj
);
978 cpu
->dtb_compatible
= "arm,arm946";
979 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
980 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
981 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
982 cpu
->midr
= 0x41059461;
983 cpu
->ctr
= 0x0f004006;
984 cpu
->reset_sctlr
= 0x00000078;
987 static void arm1026_initfn(Object
*obj
)
989 ARMCPU
*cpu
= ARM_CPU(obj
);
991 cpu
->dtb_compatible
= "arm,arm1026";
992 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
993 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
994 set_feature(&cpu
->env
, ARM_FEATURE_AUXCR
);
995 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
996 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
997 set_feature(&cpu
->env
, ARM_FEATURE_JAZELLE
);
998 cpu
->midr
= 0x4106a262;
999 cpu
->reset_fpsid
= 0x410110a0;
1000 cpu
->ctr
= 0x1dd20d2;
1001 cpu
->reset_sctlr
= 0x00090078;
1002 cpu
->reset_auxcr
= 1;
1004 /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
1005 ARMCPRegInfo ifar
= {
1006 .name
= "IFAR", .cp
= 15, .crn
= 6, .crm
= 0, .opc1
= 0, .opc2
= 1,
1008 .fieldoffset
= offsetof(CPUARMState
, cp15
.ifar_ns
),
1011 define_one_arm_cp_reg(cpu
, &ifar
);
1015 static void arm1136_r2_initfn(Object
*obj
)
1017 ARMCPU
*cpu
= ARM_CPU(obj
);
1018 /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
1019 * older core than plain "arm1136". In particular this does not
1020 * have the v6K features.
1021 * These ID register values are correct for 1136 but may be wrong
1022 * for 1136_r2 (in particular r0p2 does not actually implement most
1023 * of the ID registers).
1026 cpu
->dtb_compatible
= "arm,arm1136";
1027 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
1028 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1029 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1030 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1031 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1032 cpu
->midr
= 0x4107b362;
1033 cpu
->reset_fpsid
= 0x410120b4;
1034 cpu
->mvfr0
= 0x11111111;
1035 cpu
->mvfr1
= 0x00000000;
1036 cpu
->ctr
= 0x1dd20d2;
1037 cpu
->reset_sctlr
= 0x00050078;
1038 cpu
->id_pfr0
= 0x111;
1042 cpu
->id_mmfr0
= 0x01130003;
1043 cpu
->id_mmfr1
= 0x10030302;
1044 cpu
->id_mmfr2
= 0x01222110;
1045 cpu
->id_isar0
= 0x00140011;
1046 cpu
->id_isar1
= 0x12002111;
1047 cpu
->id_isar2
= 0x11231111;
1048 cpu
->id_isar3
= 0x01102131;
1049 cpu
->id_isar4
= 0x141;
1050 cpu
->reset_auxcr
= 7;
1053 static void arm1136_initfn(Object
*obj
)
1055 ARMCPU
*cpu
= ARM_CPU(obj
);
1057 cpu
->dtb_compatible
= "arm,arm1136";
1058 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1059 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
1060 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1061 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1062 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1063 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1064 cpu
->midr
= 0x4117b363;
1065 cpu
->reset_fpsid
= 0x410120b4;
1066 cpu
->mvfr0
= 0x11111111;
1067 cpu
->mvfr1
= 0x00000000;
1068 cpu
->ctr
= 0x1dd20d2;
1069 cpu
->reset_sctlr
= 0x00050078;
1070 cpu
->id_pfr0
= 0x111;
1074 cpu
->id_mmfr0
= 0x01130003;
1075 cpu
->id_mmfr1
= 0x10030302;
1076 cpu
->id_mmfr2
= 0x01222110;
1077 cpu
->id_isar0
= 0x00140011;
1078 cpu
->id_isar1
= 0x12002111;
1079 cpu
->id_isar2
= 0x11231111;
1080 cpu
->id_isar3
= 0x01102131;
1081 cpu
->id_isar4
= 0x141;
1082 cpu
->reset_auxcr
= 7;
1085 static void arm1176_initfn(Object
*obj
)
1087 ARMCPU
*cpu
= ARM_CPU(obj
);
1089 cpu
->dtb_compatible
= "arm,arm1176";
1090 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1091 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1092 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
1093 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1094 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
1095 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
1096 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1097 cpu
->midr
= 0x410fb767;
1098 cpu
->reset_fpsid
= 0x410120b5;
1099 cpu
->mvfr0
= 0x11111111;
1100 cpu
->mvfr1
= 0x00000000;
1101 cpu
->ctr
= 0x1dd20d2;
1102 cpu
->reset_sctlr
= 0x00050078;
1103 cpu
->id_pfr0
= 0x111;
1104 cpu
->id_pfr1
= 0x11;
1105 cpu
->id_dfr0
= 0x33;
1107 cpu
->id_mmfr0
= 0x01130003;
1108 cpu
->id_mmfr1
= 0x10030302;
1109 cpu
->id_mmfr2
= 0x01222100;
1110 cpu
->id_isar0
= 0x0140011;
1111 cpu
->id_isar1
= 0x12002111;
1112 cpu
->id_isar2
= 0x11231121;
1113 cpu
->id_isar3
= 0x01102131;
1114 cpu
->id_isar4
= 0x01141;
1115 cpu
->reset_auxcr
= 7;
1118 static void arm11mpcore_initfn(Object
*obj
)
1120 ARMCPU
*cpu
= ARM_CPU(obj
);
1122 cpu
->dtb_compatible
= "arm,arm11mpcore";
1123 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
1124 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
1125 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
1126 set_feature(&cpu
->env
, ARM_FEATURE_MPIDR
);
1127 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1128 cpu
->midr
= 0x410fb022;
1129 cpu
->reset_fpsid
= 0x410120b4;
1130 cpu
->mvfr0
= 0x11111111;
1131 cpu
->mvfr1
= 0x00000000;
1132 cpu
->ctr
= 0x1d192992; /* 32K icache 32K dcache */
1133 cpu
->id_pfr0
= 0x111;
1137 cpu
->id_mmfr0
= 0x01100103;
1138 cpu
->id_mmfr1
= 0x10020302;
1139 cpu
->id_mmfr2
= 0x01222000;
1140 cpu
->id_isar0
= 0x00100011;
1141 cpu
->id_isar1
= 0x12002111;
1142 cpu
->id_isar2
= 0x11221011;
1143 cpu
->id_isar3
= 0x01102131;
1144 cpu
->id_isar4
= 0x141;
1145 cpu
->reset_auxcr
= 1;
1148 static void cortex_m3_initfn(Object
*obj
)
1150 ARMCPU
*cpu
= ARM_CPU(obj
);
1151 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1152 set_feature(&cpu
->env
, ARM_FEATURE_M
);
1153 cpu
->midr
= 0x410fc231;
1154 cpu
->pmsav7_dregion
= 8;
1157 static void cortex_m4_initfn(Object
*obj
)
1159 ARMCPU
*cpu
= ARM_CPU(obj
);
1161 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1162 set_feature(&cpu
->env
, ARM_FEATURE_M
);
1163 set_feature(&cpu
->env
, ARM_FEATURE_THUMB_DSP
);
1164 cpu
->midr
= 0x410fc240; /* r0p0 */
1165 cpu
->pmsav7_dregion
= 8;
1168 static void arm_v7m_class_init(ObjectClass
*oc
, void *data
)
1170 CPUClass
*cc
= CPU_CLASS(oc
);
1172 #ifndef CONFIG_USER_ONLY
1173 cc
->do_interrupt
= arm_v7m_cpu_do_interrupt
;
1176 cc
->cpu_exec_interrupt
= arm_v7m_cpu_exec_interrupt
;
1179 static const ARMCPRegInfo cortexr5_cp_reginfo
[] = {
1180 /* Dummy the TCM region regs for the moment */
1181 { .name
= "ATCM", .cp
= 15, .opc1
= 0, .crn
= 9, .crm
= 1, .opc2
= 0,
1182 .access
= PL1_RW
, .type
= ARM_CP_CONST
},
1183 { .name
= "BTCM", .cp
= 15, .opc1
= 0, .crn
= 9, .crm
= 1, .opc2
= 1,
1184 .access
= PL1_RW
, .type
= ARM_CP_CONST
},
1185 { .name
= "DCACHE_INVAL", .cp
= 15, .opc1
= 0, .crn
= 15, .crm
= 5,
1186 .opc2
= 0, .access
= PL1_W
, .type
= ARM_CP_NOP
},
1190 static void cortex_r5_initfn(Object
*obj
)
1192 ARMCPU
*cpu
= ARM_CPU(obj
);
1194 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1195 set_feature(&cpu
->env
, ARM_FEATURE_THUMB_DIV
);
1196 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1197 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
1198 set_feature(&cpu
->env
, ARM_FEATURE_PMSA
);
1199 cpu
->midr
= 0x411fc153; /* r1p3 */
1200 cpu
->id_pfr0
= 0x0131;
1201 cpu
->id_pfr1
= 0x001;
1202 cpu
->id_dfr0
= 0x010400;
1204 cpu
->id_mmfr0
= 0x0210030;
1205 cpu
->id_mmfr1
= 0x00000000;
1206 cpu
->id_mmfr2
= 0x01200000;
1207 cpu
->id_mmfr3
= 0x0211;
1208 cpu
->id_isar0
= 0x2101111;
1209 cpu
->id_isar1
= 0x13112111;
1210 cpu
->id_isar2
= 0x21232141;
1211 cpu
->id_isar3
= 0x01112131;
1212 cpu
->id_isar4
= 0x0010142;
1213 cpu
->id_isar5
= 0x0;
1214 cpu
->mp_is_up
= true;
1215 cpu
->pmsav7_dregion
= 16;
1216 define_arm_cp_regs(cpu
, cortexr5_cp_reginfo
);
1219 static const ARMCPRegInfo cortexa8_cp_reginfo
[] = {
1220 { .name
= "L2LOCKDOWN", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 0,
1221 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1222 { .name
= "L2AUXCR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
1223 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1227 static void cortex_a8_initfn(Object
*obj
)
1229 ARMCPU
*cpu
= ARM_CPU(obj
);
1231 cpu
->dtb_compatible
= "arm,cortex-a8";
1232 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1233 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
1234 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1235 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1236 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1237 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1238 cpu
->midr
= 0x410fc080;
1239 cpu
->reset_fpsid
= 0x410330c0;
1240 cpu
->mvfr0
= 0x11110222;
1241 cpu
->mvfr1
= 0x00011111;
1242 cpu
->ctr
= 0x82048004;
1243 cpu
->reset_sctlr
= 0x00c50078;
1244 cpu
->id_pfr0
= 0x1031;
1245 cpu
->id_pfr1
= 0x11;
1246 cpu
->id_dfr0
= 0x400;
1248 cpu
->id_mmfr0
= 0x31100003;
1249 cpu
->id_mmfr1
= 0x20000000;
1250 cpu
->id_mmfr2
= 0x01202000;
1251 cpu
->id_mmfr3
= 0x11;
1252 cpu
->id_isar0
= 0x00101111;
1253 cpu
->id_isar1
= 0x12112111;
1254 cpu
->id_isar2
= 0x21232031;
1255 cpu
->id_isar3
= 0x11112131;
1256 cpu
->id_isar4
= 0x00111142;
1257 cpu
->dbgdidr
= 0x15141000;
1258 cpu
->clidr
= (1 << 27) | (2 << 24) | 3;
1259 cpu
->ccsidr
[0] = 0xe007e01a; /* 16k L1 dcache. */
1260 cpu
->ccsidr
[1] = 0x2007e01a; /* 16k L1 icache. */
1261 cpu
->ccsidr
[2] = 0xf0000000; /* No L2 icache. */
1262 cpu
->reset_auxcr
= 2;
1263 define_arm_cp_regs(cpu
, cortexa8_cp_reginfo
);
1266 static const ARMCPRegInfo cortexa9_cp_reginfo
[] = {
1267 /* power_control should be set to maximum latency. Again,
1268 * default to 0 and set by private hook
1270 { .name
= "A9_PWRCTL", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 0,
1271 .access
= PL1_RW
, .resetvalue
= 0,
1272 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_control
) },
1273 { .name
= "A9_DIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 1,
1274 .access
= PL1_RW
, .resetvalue
= 0,
1275 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_diagnostic
) },
1276 { .name
= "A9_PWRDIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 2,
1277 .access
= PL1_RW
, .resetvalue
= 0,
1278 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_diagnostic
) },
1279 { .name
= "NEONBUSY", .cp
= 15, .crn
= 15, .crm
= 1, .opc1
= 0, .opc2
= 0,
1280 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1281 /* TLB lockdown control */
1282 { .name
= "TLB_LOCKR", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 2,
1283 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
1284 { .name
= "TLB_LOCKW", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 4,
1285 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
1286 { .name
= "TLB_VA", .cp
= 15, .crn
= 15, .crm
= 5, .opc1
= 5, .opc2
= 2,
1287 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1288 { .name
= "TLB_PA", .cp
= 15, .crn
= 15, .crm
= 6, .opc1
= 5, .opc2
= 2,
1289 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1290 { .name
= "TLB_ATTR", .cp
= 15, .crn
= 15, .crm
= 7, .opc1
= 5, .opc2
= 2,
1291 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
1295 static void cortex_a9_initfn(Object
*obj
)
1297 ARMCPU
*cpu
= ARM_CPU(obj
);
1299 cpu
->dtb_compatible
= "arm,cortex-a9";
1300 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1301 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
1302 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
1303 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1304 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1305 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1306 /* Note that A9 supports the MP extensions even for
1307 * A9UP and single-core A9MP (which are both different
1308 * and valid configurations; we don't model A9UP).
1310 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
1311 set_feature(&cpu
->env
, ARM_FEATURE_CBAR
);
1312 cpu
->midr
= 0x410fc090;
1313 cpu
->reset_fpsid
= 0x41033090;
1314 cpu
->mvfr0
= 0x11110222;
1315 cpu
->mvfr1
= 0x01111111;
1316 cpu
->ctr
= 0x80038003;
1317 cpu
->reset_sctlr
= 0x00c50078;
1318 cpu
->id_pfr0
= 0x1031;
1319 cpu
->id_pfr1
= 0x11;
1320 cpu
->id_dfr0
= 0x000;
1322 cpu
->id_mmfr0
= 0x00100103;
1323 cpu
->id_mmfr1
= 0x20000000;
1324 cpu
->id_mmfr2
= 0x01230000;
1325 cpu
->id_mmfr3
= 0x00002111;
1326 cpu
->id_isar0
= 0x00101111;
1327 cpu
->id_isar1
= 0x13112111;
1328 cpu
->id_isar2
= 0x21232041;
1329 cpu
->id_isar3
= 0x11112131;
1330 cpu
->id_isar4
= 0x00111142;
1331 cpu
->dbgdidr
= 0x35141000;
1332 cpu
->clidr
= (1 << 27) | (1 << 24) | 3;
1333 cpu
->ccsidr
[0] = 0xe00fe019; /* 16k L1 dcache. */
1334 cpu
->ccsidr
[1] = 0x200fe019; /* 16k L1 icache. */
1335 define_arm_cp_regs(cpu
, cortexa9_cp_reginfo
);
1338 #ifndef CONFIG_USER_ONLY
1339 static uint64_t a15_l2ctlr_read(CPUARMState
*env
, const ARMCPRegInfo
*ri
)
1341 /* Linux wants the number of processors from here.
1342 * Might as well set the interrupt-controller bit too.
1344 return ((smp_cpus
- 1) << 24) | (1 << 23);
1348 static const ARMCPRegInfo cortexa15_cp_reginfo
[] = {
1349 #ifndef CONFIG_USER_ONLY
1350 { .name
= "L2CTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
1351 .access
= PL1_RW
, .resetvalue
= 0, .readfn
= a15_l2ctlr_read
,
1352 .writefn
= arm_cp_write_ignore
, },
1354 { .name
= "L2ECTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 3,
1355 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
1359 static void cortex_a7_initfn(Object
*obj
)
1361 ARMCPU
*cpu
= ARM_CPU(obj
);
1363 cpu
->dtb_compatible
= "arm,cortex-a7";
1364 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1365 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1366 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1367 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1368 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1369 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
1370 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1371 set_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
);
1372 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
1373 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1374 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_CORTEX_A7
;
1375 cpu
->midr
= 0x410fc075;
1376 cpu
->reset_fpsid
= 0x41023075;
1377 cpu
->mvfr0
= 0x10110222;
1378 cpu
->mvfr1
= 0x11111111;
1379 cpu
->ctr
= 0x84448003;
1380 cpu
->reset_sctlr
= 0x00c50078;
1381 cpu
->id_pfr0
= 0x00001131;
1382 cpu
->id_pfr1
= 0x00011011;
1383 cpu
->id_dfr0
= 0x02010555;
1384 cpu
->pmceid0
= 0x00000000;
1385 cpu
->pmceid1
= 0x00000000;
1386 cpu
->id_afr0
= 0x00000000;
1387 cpu
->id_mmfr0
= 0x10101105;
1388 cpu
->id_mmfr1
= 0x40000000;
1389 cpu
->id_mmfr2
= 0x01240000;
1390 cpu
->id_mmfr3
= 0x02102211;
1391 cpu
->id_isar0
= 0x01101110;
1392 cpu
->id_isar1
= 0x13112111;
1393 cpu
->id_isar2
= 0x21232041;
1394 cpu
->id_isar3
= 0x11112131;
1395 cpu
->id_isar4
= 0x10011142;
1396 cpu
->dbgdidr
= 0x3515f005;
1397 cpu
->clidr
= 0x0a200023;
1398 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
1399 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
1400 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
1401 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
); /* Same as A15 */
1404 static void cortex_a15_initfn(Object
*obj
)
1406 ARMCPU
*cpu
= ARM_CPU(obj
);
1408 cpu
->dtb_compatible
= "arm,cortex-a15";
1409 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
1410 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1411 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1412 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1413 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
1414 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
1415 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1416 set_feature(&cpu
->env
, ARM_FEATURE_CBAR_RO
);
1417 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
1418 set_feature(&cpu
->env
, ARM_FEATURE_EL3
);
1419 cpu
->kvm_target
= QEMU_KVM_ARM_TARGET_CORTEX_A15
;
1420 cpu
->midr
= 0x412fc0f1;
1421 cpu
->reset_fpsid
= 0x410430f0;
1422 cpu
->mvfr0
= 0x10110222;
1423 cpu
->mvfr1
= 0x11111111;
1424 cpu
->ctr
= 0x8444c004;
1425 cpu
->reset_sctlr
= 0x00c50078;
1426 cpu
->id_pfr0
= 0x00001131;
1427 cpu
->id_pfr1
= 0x00011011;
1428 cpu
->id_dfr0
= 0x02010555;
1429 cpu
->pmceid0
= 0x0000000;
1430 cpu
->pmceid1
= 0x00000000;
1431 cpu
->id_afr0
= 0x00000000;
1432 cpu
->id_mmfr0
= 0x10201105;
1433 cpu
->id_mmfr1
= 0x20000000;
1434 cpu
->id_mmfr2
= 0x01240000;
1435 cpu
->id_mmfr3
= 0x02102211;
1436 cpu
->id_isar0
= 0x02101110;
1437 cpu
->id_isar1
= 0x13112111;
1438 cpu
->id_isar2
= 0x21232041;
1439 cpu
->id_isar3
= 0x11112131;
1440 cpu
->id_isar4
= 0x10011142;
1441 cpu
->dbgdidr
= 0x3515f021;
1442 cpu
->clidr
= 0x0a200023;
1443 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
1444 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
1445 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
1446 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
);
1449 static void ti925t_initfn(Object
*obj
)
1451 ARMCPU
*cpu
= ARM_CPU(obj
);
1452 set_feature(&cpu
->env
, ARM_FEATURE_V4T
);
1453 set_feature(&cpu
->env
, ARM_FEATURE_OMAPCP
);
1454 cpu
->midr
= ARM_CPUID_TI925T
;
1455 cpu
->ctr
= 0x5109149;
1456 cpu
->reset_sctlr
= 0x00000070;
1459 static void sa1100_initfn(Object
*obj
)
1461 ARMCPU
*cpu
= ARM_CPU(obj
);
1463 cpu
->dtb_compatible
= "intel,sa1100";
1464 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
1465 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1466 cpu
->midr
= 0x4401A11B;
1467 cpu
->reset_sctlr
= 0x00000070;
1470 static void sa1110_initfn(Object
*obj
)
1472 ARMCPU
*cpu
= ARM_CPU(obj
);
1473 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
1474 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
1475 cpu
->midr
= 0x6901B119;
1476 cpu
->reset_sctlr
= 0x00000070;
1479 static void pxa250_initfn(Object
*obj
)
1481 ARMCPU
*cpu
= ARM_CPU(obj
);
1483 cpu
->dtb_compatible
= "marvell,xscale";
1484 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1485 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1486 cpu
->midr
= 0x69052100;
1487 cpu
->ctr
= 0xd172172;
1488 cpu
->reset_sctlr
= 0x00000078;
1491 static void pxa255_initfn(Object
*obj
)
1493 ARMCPU
*cpu
= ARM_CPU(obj
);
1495 cpu
->dtb_compatible
= "marvell,xscale";
1496 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1497 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1498 cpu
->midr
= 0x69052d00;
1499 cpu
->ctr
= 0xd172172;
1500 cpu
->reset_sctlr
= 0x00000078;
1503 static void pxa260_initfn(Object
*obj
)
1505 ARMCPU
*cpu
= ARM_CPU(obj
);
1507 cpu
->dtb_compatible
= "marvell,xscale";
1508 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1509 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1510 cpu
->midr
= 0x69052903;
1511 cpu
->ctr
= 0xd172172;
1512 cpu
->reset_sctlr
= 0x00000078;
1515 static void pxa261_initfn(Object
*obj
)
1517 ARMCPU
*cpu
= ARM_CPU(obj
);
1519 cpu
->dtb_compatible
= "marvell,xscale";
1520 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1521 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1522 cpu
->midr
= 0x69052d05;
1523 cpu
->ctr
= 0xd172172;
1524 cpu
->reset_sctlr
= 0x00000078;
1527 static void pxa262_initfn(Object
*obj
)
1529 ARMCPU
*cpu
= ARM_CPU(obj
);
1531 cpu
->dtb_compatible
= "marvell,xscale";
1532 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1533 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1534 cpu
->midr
= 0x69052d06;
1535 cpu
->ctr
= 0xd172172;
1536 cpu
->reset_sctlr
= 0x00000078;
1539 static void pxa270a0_initfn(Object
*obj
)
1541 ARMCPU
*cpu
= ARM_CPU(obj
);
1543 cpu
->dtb_compatible
= "marvell,xscale";
1544 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1545 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1546 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1547 cpu
->midr
= 0x69054110;
1548 cpu
->ctr
= 0xd172172;
1549 cpu
->reset_sctlr
= 0x00000078;
1552 static void pxa270a1_initfn(Object
*obj
)
1554 ARMCPU
*cpu
= ARM_CPU(obj
);
1556 cpu
->dtb_compatible
= "marvell,xscale";
1557 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1558 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1559 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1560 cpu
->midr
= 0x69054111;
1561 cpu
->ctr
= 0xd172172;
1562 cpu
->reset_sctlr
= 0x00000078;
1565 static void pxa270b0_initfn(Object
*obj
)
1567 ARMCPU
*cpu
= ARM_CPU(obj
);
1569 cpu
->dtb_compatible
= "marvell,xscale";
1570 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1571 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1572 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1573 cpu
->midr
= 0x69054112;
1574 cpu
->ctr
= 0xd172172;
1575 cpu
->reset_sctlr
= 0x00000078;
1578 static void pxa270b1_initfn(Object
*obj
)
1580 ARMCPU
*cpu
= ARM_CPU(obj
);
1582 cpu
->dtb_compatible
= "marvell,xscale";
1583 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1584 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1585 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1586 cpu
->midr
= 0x69054113;
1587 cpu
->ctr
= 0xd172172;
1588 cpu
->reset_sctlr
= 0x00000078;
1591 static void pxa270c0_initfn(Object
*obj
)
1593 ARMCPU
*cpu
= ARM_CPU(obj
);
1595 cpu
->dtb_compatible
= "marvell,xscale";
1596 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1597 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1598 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1599 cpu
->midr
= 0x69054114;
1600 cpu
->ctr
= 0xd172172;
1601 cpu
->reset_sctlr
= 0x00000078;
1604 static void pxa270c5_initfn(Object
*obj
)
1606 ARMCPU
*cpu
= ARM_CPU(obj
);
1608 cpu
->dtb_compatible
= "marvell,xscale";
1609 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
1610 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
1611 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
1612 cpu
->midr
= 0x69054117;
1613 cpu
->ctr
= 0xd172172;
1614 cpu
->reset_sctlr
= 0x00000078;
1617 #ifdef CONFIG_USER_ONLY
1618 static void arm_any_initfn(Object
*obj
)
1620 ARMCPU
*cpu
= ARM_CPU(obj
);
1621 set_feature(&cpu
->env
, ARM_FEATURE_V8
);
1622 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
1623 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
1624 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
1625 set_feature(&cpu
->env
, ARM_FEATURE_V8_AES
);
1626 set_feature(&cpu
->env
, ARM_FEATURE_V8_SHA1
);
1627 set_feature(&cpu
->env
, ARM_FEATURE_V8_SHA256
);
1628 set_feature(&cpu
->env
, ARM_FEATURE_V8_PMULL
);
1629 set_feature(&cpu
->env
, ARM_FEATURE_CRC
);
1630 cpu
->midr
= 0xffffffff;
1634 #endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */
1636 typedef struct ARMCPUInfo
{
1638 void (*initfn
)(Object
*obj
);
1639 void (*class_init
)(ObjectClass
*oc
, void *data
);
1642 static const ARMCPUInfo arm_cpus
[] = {
1643 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
1644 { .name
= "arm926", .initfn
= arm926_initfn
},
1645 { .name
= "arm946", .initfn
= arm946_initfn
},
1646 { .name
= "arm1026", .initfn
= arm1026_initfn
},
1647 /* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
1648 * older core than plain "arm1136". In particular this does not
1649 * have the v6K features.
1651 { .name
= "arm1136-r2", .initfn
= arm1136_r2_initfn
},
1652 { .name
= "arm1136", .initfn
= arm1136_initfn
},
1653 { .name
= "arm1176", .initfn
= arm1176_initfn
},
1654 { .name
= "arm11mpcore", .initfn
= arm11mpcore_initfn
},
1655 { .name
= "cortex-m3", .initfn
= cortex_m3_initfn
,
1656 .class_init
= arm_v7m_class_init
},
1657 { .name
= "cortex-m4", .initfn
= cortex_m4_initfn
,
1658 .class_init
= arm_v7m_class_init
},
1659 { .name
= "cortex-r5", .initfn
= cortex_r5_initfn
},
1660 { .name
= "cortex-a7", .initfn
= cortex_a7_initfn
},
1661 { .name
= "cortex-a8", .initfn
= cortex_a8_initfn
},
1662 { .name
= "cortex-a9", .initfn
= cortex_a9_initfn
},
1663 { .name
= "cortex-a15", .initfn
= cortex_a15_initfn
},
1664 { .name
= "ti925t", .initfn
= ti925t_initfn
},
1665 { .name
= "sa1100", .initfn
= sa1100_initfn
},
1666 { .name
= "sa1110", .initfn
= sa1110_initfn
},
1667 { .name
= "pxa250", .initfn
= pxa250_initfn
},
1668 { .name
= "pxa255", .initfn
= pxa255_initfn
},
1669 { .name
= "pxa260", .initfn
= pxa260_initfn
},
1670 { .name
= "pxa261", .initfn
= pxa261_initfn
},
1671 { .name
= "pxa262", .initfn
= pxa262_initfn
},
1672 /* "pxa270" is an alias for "pxa270-a0" */
1673 { .name
= "pxa270", .initfn
= pxa270a0_initfn
},
1674 { .name
= "pxa270-a0", .initfn
= pxa270a0_initfn
},
1675 { .name
= "pxa270-a1", .initfn
= pxa270a1_initfn
},
1676 { .name
= "pxa270-b0", .initfn
= pxa270b0_initfn
},
1677 { .name
= "pxa270-b1", .initfn
= pxa270b1_initfn
},
1678 { .name
= "pxa270-c0", .initfn
= pxa270c0_initfn
},
1679 { .name
= "pxa270-c5", .initfn
= pxa270c5_initfn
},
1680 #ifdef CONFIG_USER_ONLY
1681 { .name
= "any", .initfn
= arm_any_initfn
},
1687 static Property arm_cpu_properties
[] = {
1688 DEFINE_PROP_BOOL("start-powered-off", ARMCPU
, start_powered_off
, false),
1689 DEFINE_PROP_UINT32("psci-conduit", ARMCPU
, psci_conduit
, 0),
1690 DEFINE_PROP_UINT32("midr", ARMCPU
, midr
, 0),
1691 DEFINE_PROP_UINT64("mp-affinity", ARMCPU
,
1692 mp_affinity
, ARM64_AFFINITY_INVALID
),
1693 DEFINE_PROP_INT32("node-id", ARMCPU
, node_id
, CPU_UNSET_NUMA_NODE_ID
),
1694 DEFINE_PROP_END_OF_LIST()
1697 #ifdef CONFIG_USER_ONLY
1698 static int arm_cpu_handle_mmu_fault(CPUState
*cs
, vaddr address
, int rw
,
1701 ARMCPU
*cpu
= ARM_CPU(cs
);
1702 CPUARMState
*env
= &cpu
->env
;
1704 env
->exception
.vaddress
= address
;
1706 cs
->exception_index
= EXCP_PREFETCH_ABORT
;
1708 cs
->exception_index
= EXCP_DATA_ABORT
;
1714 static gchar
*arm_gdb_arch_name(CPUState
*cs
)
1716 ARMCPU
*cpu
= ARM_CPU(cs
);
1717 CPUARMState
*env
= &cpu
->env
;
1719 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
1720 return g_strdup("iwmmxt");
1722 return g_strdup("arm");
1725 static void arm_cpu_class_init(ObjectClass
*oc
, void *data
)
1727 ARMCPUClass
*acc
= ARM_CPU_CLASS(oc
);
1728 CPUClass
*cc
= CPU_CLASS(acc
);
1729 DeviceClass
*dc
= DEVICE_CLASS(oc
);
1731 acc
->parent_realize
= dc
->realize
;
1732 dc
->realize
= arm_cpu_realizefn
;
1733 dc
->props
= arm_cpu_properties
;
1735 acc
->parent_reset
= cc
->reset
;
1736 cc
->reset
= arm_cpu_reset
;
1738 cc
->class_by_name
= arm_cpu_class_by_name
;
1739 cc
->has_work
= arm_cpu_has_work
;
1740 cc
->cpu_exec_interrupt
= arm_cpu_exec_interrupt
;
1741 cc
->dump_state
= arm_cpu_dump_state
;
1742 cc
->set_pc
= arm_cpu_set_pc
;
1743 cc
->gdb_read_register
= arm_cpu_gdb_read_register
;
1744 cc
->gdb_write_register
= arm_cpu_gdb_write_register
;
1745 #ifdef CONFIG_USER_ONLY
1746 cc
->handle_mmu_fault
= arm_cpu_handle_mmu_fault
;
1748 cc
->do_interrupt
= arm_cpu_do_interrupt
;
1749 cc
->do_unaligned_access
= arm_cpu_do_unaligned_access
;
1750 cc
->do_transaction_failed
= arm_cpu_do_transaction_failed
;
1751 cc
->get_phys_page_attrs_debug
= arm_cpu_get_phys_page_attrs_debug
;
1752 cc
->asidx_from_attrs
= arm_asidx_from_attrs
;
1753 cc
->vmsd
= &vmstate_arm_cpu
;
1754 cc
->virtio_is_big_endian
= arm_cpu_virtio_is_big_endian
;
1755 cc
->write_elf64_note
= arm_cpu_write_elf64_note
;
1756 cc
->write_elf32_note
= arm_cpu_write_elf32_note
;
1758 cc
->gdb_num_core_regs
= 26;
1759 cc
->gdb_core_xml_file
= "arm-core.xml";
1760 cc
->gdb_arch_name
= arm_gdb_arch_name
;
1761 cc
->gdb_stop_before_watchpoint
= true;
1762 cc
->debug_excp_handler
= arm_debug_excp_handler
;
1763 cc
->debug_check_watchpoint
= arm_debug_check_watchpoint
;
1764 #if !defined(CONFIG_USER_ONLY)
1765 cc
->adjust_watchpoint_address
= arm_adjust_watchpoint_address
;
1768 cc
->disas_set_info
= arm_disas_set_info
;
1771 static void cpu_register(const ARMCPUInfo
*info
)
1773 TypeInfo type_info
= {
1774 .parent
= TYPE_ARM_CPU
,
1775 .instance_size
= sizeof(ARMCPU
),
1776 .instance_init
= info
->initfn
,
1777 .class_size
= sizeof(ARMCPUClass
),
1778 .class_init
= info
->class_init
,
1781 type_info
.name
= g_strdup_printf("%s-" TYPE_ARM_CPU
, info
->name
);
1782 type_register(&type_info
);
1783 g_free((void *)type_info
.name
);
1786 static const TypeInfo arm_cpu_type_info
= {
1787 .name
= TYPE_ARM_CPU
,
1789 .instance_size
= sizeof(ARMCPU
),
1790 .instance_init
= arm_cpu_initfn
,
1791 .instance_post_init
= arm_cpu_post_init
,
1792 .instance_finalize
= arm_cpu_finalizefn
,
1794 .class_size
= sizeof(ARMCPUClass
),
1795 .class_init
= arm_cpu_class_init
,
1798 static void arm_cpu_register_types(void)
1800 const ARMCPUInfo
*info
= arm_cpus
;
1802 type_register_static(&arm_cpu_type_info
);
1804 while (info
->name
) {
1810 type_init(arm_cpu_register_types
)