1 #include "qemu/osdep.h"
4 #include "sysemu/kvm.h"
5 #include "helper_regs.h"
6 #include "mmu-hash64.h"
7 #include "migration/cpu.h"
9 static int cpu_load_old(QEMUFile
*f
, void *opaque
, int version_id
)
11 PowerPCCPU
*cpu
= opaque
;
12 CPUPPCState
*env
= &cpu
->env
;
18 for (i
= 0; i
< 32; i
++)
19 qemu_get_betls(f
, &env
->gpr
[i
]);
20 #if !defined(TARGET_PPC64)
21 for (i
= 0; i
< 32; i
++)
22 qemu_get_betls(f
, &env
->gprh
[i
]);
24 qemu_get_betls(f
, &env
->lr
);
25 qemu_get_betls(f
, &env
->ctr
);
26 for (i
= 0; i
< 8; i
++)
27 qemu_get_be32s(f
, &env
->crf
[i
]);
28 qemu_get_betls(f
, &xer
);
29 cpu_write_xer(env
, xer
);
30 qemu_get_betls(f
, &env
->reserve_addr
);
31 qemu_get_betls(f
, &env
->msr
);
32 for (i
= 0; i
< 4; i
++)
33 qemu_get_betls(f
, &env
->tgpr
[i
]);
34 for (i
= 0; i
< 32; i
++) {
39 u
.l
= qemu_get_be64(f
);
42 qemu_get_be32s(f
, &fpscr
);
44 qemu_get_sbe32s(f
, &env
->access_type
);
45 #if defined(TARGET_PPC64)
46 qemu_get_betls(f
, &env
->spr
[SPR_ASR
]);
47 qemu_get_sbe32s(f
, &env
->slb_nr
);
49 qemu_get_betls(f
, &sdr1
);
50 for (i
= 0; i
< 32; i
++)
51 qemu_get_betls(f
, &env
->sr
[i
]);
52 for (i
= 0; i
< 2; i
++)
53 for (j
= 0; j
< 8; j
++)
54 qemu_get_betls(f
, &env
->DBAT
[i
][j
]);
55 for (i
= 0; i
< 2; i
++)
56 for (j
= 0; j
< 8; j
++)
57 qemu_get_betls(f
, &env
->IBAT
[i
][j
]);
58 qemu_get_sbe32s(f
, &env
->nb_tlb
);
59 qemu_get_sbe32s(f
, &env
->tlb_per_way
);
60 qemu_get_sbe32s(f
, &env
->nb_ways
);
61 qemu_get_sbe32s(f
, &env
->last_way
);
62 qemu_get_sbe32s(f
, &env
->id_tlbs
);
63 qemu_get_sbe32s(f
, &env
->nb_pids
);
66 for (i
= 0; i
< env
->nb_tlb
; i
++) {
67 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].pte0
);
68 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].pte1
);
69 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].EPN
);
72 for (i
= 0; i
< 4; i
++)
73 qemu_get_betls(f
, &env
->pb
[i
]);
74 for (i
= 0; i
< 1024; i
++)
75 qemu_get_betls(f
, &env
->spr
[i
]);
76 if (!env
->external_htab
) {
77 ppc_store_sdr1(env
, sdr1
);
79 qemu_get_be32s(f
, &env
->vscr
);
80 qemu_get_be64s(f
, &env
->spe_acc
);
81 qemu_get_be32s(f
, &env
->spe_fscr
);
82 qemu_get_betls(f
, &env
->msr_mask
);
83 qemu_get_be32s(f
, &env
->flags
);
84 qemu_get_sbe32s(f
, &env
->error_code
);
85 qemu_get_be32s(f
, &env
->pending_interrupts
);
86 qemu_get_be32s(f
, &env
->irq_input_state
);
87 for (i
= 0; i
< POWERPC_EXCP_NB
; i
++)
88 qemu_get_betls(f
, &env
->excp_vectors
[i
]);
89 qemu_get_betls(f
, &env
->excp_prefix
);
90 qemu_get_betls(f
, &env
->ivor_mask
);
91 qemu_get_betls(f
, &env
->ivpr_mask
);
92 qemu_get_betls(f
, &env
->hreset_vector
);
93 qemu_get_betls(f
, &env
->nip
);
94 qemu_get_betls(f
, &env
->hflags
);
95 qemu_get_betls(f
, &env
->hflags_nmsr
);
96 qemu_get_sbe32s(f
, &env
->mmu_idx
);
97 qemu_get_sbe32(f
); /* Discard unused power_mode */
102 static int get_avr(QEMUFile
*f
, void *pv
, size_t size
)
106 v
->u64
[0] = qemu_get_be64(f
);
107 v
->u64
[1] = qemu_get_be64(f
);
112 static void put_avr(QEMUFile
*f
, void *pv
, size_t size
)
116 qemu_put_be64(f
, v
->u64
[0]);
117 qemu_put_be64(f
, v
->u64
[1]);
120 static const VMStateInfo vmstate_info_avr
= {
126 #define VMSTATE_AVR_ARRAY_V(_f, _s, _n, _v) \
127 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_avr, ppc_avr_t)
129 #define VMSTATE_AVR_ARRAY(_f, _s, _n) \
130 VMSTATE_AVR_ARRAY_V(_f, _s, _n, 0)
132 static void cpu_pre_save(void *opaque
)
134 PowerPCCPU
*cpu
= opaque
;
135 CPUPPCState
*env
= &cpu
->env
;
138 env
->spr
[SPR_LR
] = env
->lr
;
139 env
->spr
[SPR_CTR
] = env
->ctr
;
140 env
->spr
[SPR_XER
] = cpu_read_xer(env
);
141 #if defined(TARGET_PPC64)
142 env
->spr
[SPR_CFAR
] = env
->cfar
;
144 env
->spr
[SPR_BOOKE_SPEFSCR
] = env
->spe_fscr
;
146 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
147 env
->spr
[SPR_DBAT0U
+ 2*i
] = env
->DBAT
[0][i
];
148 env
->spr
[SPR_DBAT0U
+ 2*i
+ 1] = env
->DBAT
[1][i
];
149 env
->spr
[SPR_IBAT0U
+ 2*i
] = env
->IBAT
[0][i
];
150 env
->spr
[SPR_IBAT0U
+ 2*i
+ 1] = env
->IBAT
[1][i
];
152 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
153 env
->spr
[SPR_DBAT4U
+ 2*i
] = env
->DBAT
[0][i
+4];
154 env
->spr
[SPR_DBAT4U
+ 2*i
+ 1] = env
->DBAT
[1][i
+4];
155 env
->spr
[SPR_IBAT4U
+ 2*i
] = env
->IBAT
[0][i
+4];
156 env
->spr
[SPR_IBAT4U
+ 2*i
+ 1] = env
->IBAT
[1][i
+4];
160 static int cpu_post_load(void *opaque
, int version_id
)
162 PowerPCCPU
*cpu
= opaque
;
163 CPUPPCState
*env
= &cpu
->env
;
168 * We always ignore the source PVR. The user or management
169 * software has to take care of running QEMU in a compatible mode.
171 env
->spr
[SPR_PVR
] = env
->spr_cb
[SPR_PVR
].default_value
;
172 env
->lr
= env
->spr
[SPR_LR
];
173 env
->ctr
= env
->spr
[SPR_CTR
];
174 cpu_write_xer(env
, env
->spr
[SPR_XER
]);
175 #if defined(TARGET_PPC64)
176 env
->cfar
= env
->spr
[SPR_CFAR
];
178 env
->spe_fscr
= env
->spr
[SPR_BOOKE_SPEFSCR
];
180 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
181 env
->DBAT
[0][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
];
182 env
->DBAT
[1][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
+ 1];
183 env
->IBAT
[0][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
];
184 env
->IBAT
[1][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
+ 1];
186 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
187 env
->DBAT
[0][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
];
188 env
->DBAT
[1][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
+ 1];
189 env
->IBAT
[0][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
];
190 env
->IBAT
[1][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
+ 1];
193 if (!env
->external_htab
) {
194 /* Restore htab_base and htab_mask variables */
195 ppc_store_sdr1(env
, env
->spr
[SPR_SDR1
]);
198 /* Invalidate all msr bits except MSR_TGPR/MSR_HVB before restoring */
200 env
->msr
^= ~((1ULL << MSR_TGPR
) | MSR_HVB
);
201 ppc_store_msr(env
, msr
);
203 hreg_compute_mem_idx(env
);
208 static bool fpu_needed(void *opaque
)
210 PowerPCCPU
*cpu
= opaque
;
212 return (cpu
->env
.insns_flags
& PPC_FLOAT
);
215 static const VMStateDescription vmstate_fpu
= {
218 .minimum_version_id
= 1,
219 .needed
= fpu_needed
,
220 .fields
= (VMStateField
[]) {
221 VMSTATE_FLOAT64_ARRAY(env
.fpr
, PowerPCCPU
, 32),
222 VMSTATE_UINTTL(env
.fpscr
, PowerPCCPU
),
223 VMSTATE_END_OF_LIST()
227 static bool altivec_needed(void *opaque
)
229 PowerPCCPU
*cpu
= opaque
;
231 return (cpu
->env
.insns_flags
& PPC_ALTIVEC
);
234 static const VMStateDescription vmstate_altivec
= {
235 .name
= "cpu/altivec",
237 .minimum_version_id
= 1,
238 .needed
= altivec_needed
,
239 .fields
= (VMStateField
[]) {
240 VMSTATE_AVR_ARRAY(env
.avr
, PowerPCCPU
, 32),
241 VMSTATE_UINT32(env
.vscr
, PowerPCCPU
),
242 VMSTATE_END_OF_LIST()
246 static bool vsx_needed(void *opaque
)
248 PowerPCCPU
*cpu
= opaque
;
250 return (cpu
->env
.insns_flags2
& PPC2_VSX
);
253 static const VMStateDescription vmstate_vsx
= {
256 .minimum_version_id
= 1,
257 .needed
= vsx_needed
,
258 .fields
= (VMStateField
[]) {
259 VMSTATE_UINT64_ARRAY(env
.vsr
, PowerPCCPU
, 32),
260 VMSTATE_END_OF_LIST()
265 /* Transactional memory state */
266 static bool tm_needed(void *opaque
)
268 PowerPCCPU
*cpu
= opaque
;
269 CPUPPCState
*env
= &cpu
->env
;
273 static const VMStateDescription vmstate_tm
= {
276 .minimum_version_id
= 1,
277 .minimum_version_id_old
= 1,
279 .fields
= (VMStateField
[]) {
280 VMSTATE_UINTTL_ARRAY(env
.tm_gpr
, PowerPCCPU
, 32),
281 VMSTATE_AVR_ARRAY(env
.tm_vsr
, PowerPCCPU
, 64),
282 VMSTATE_UINT64(env
.tm_cr
, PowerPCCPU
),
283 VMSTATE_UINT64(env
.tm_lr
, PowerPCCPU
),
284 VMSTATE_UINT64(env
.tm_ctr
, PowerPCCPU
),
285 VMSTATE_UINT64(env
.tm_fpscr
, PowerPCCPU
),
286 VMSTATE_UINT64(env
.tm_amr
, PowerPCCPU
),
287 VMSTATE_UINT64(env
.tm_ppr
, PowerPCCPU
),
288 VMSTATE_UINT64(env
.tm_vrsave
, PowerPCCPU
),
289 VMSTATE_UINT32(env
.tm_vscr
, PowerPCCPU
),
290 VMSTATE_UINT64(env
.tm_dscr
, PowerPCCPU
),
291 VMSTATE_UINT64(env
.tm_tar
, PowerPCCPU
),
292 VMSTATE_END_OF_LIST()
297 static bool sr_needed(void *opaque
)
300 PowerPCCPU
*cpu
= opaque
;
302 return !(cpu
->env
.mmu_model
& POWERPC_MMU_64
);
308 static const VMStateDescription vmstate_sr
= {
311 .minimum_version_id
= 1,
313 .fields
= (VMStateField
[]) {
314 VMSTATE_UINTTL_ARRAY(env
.sr
, PowerPCCPU
, 32),
315 VMSTATE_END_OF_LIST()
320 static int get_slbe(QEMUFile
*f
, void *pv
, size_t size
)
324 v
->esid
= qemu_get_be64(f
);
325 v
->vsid
= qemu_get_be64(f
);
330 static void put_slbe(QEMUFile
*f
, void *pv
, size_t size
)
334 qemu_put_be64(f
, v
->esid
);
335 qemu_put_be64(f
, v
->vsid
);
338 static const VMStateInfo vmstate_info_slbe
= {
344 #define VMSTATE_SLB_ARRAY_V(_f, _s, _n, _v) \
345 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_slbe, ppc_slb_t)
347 #define VMSTATE_SLB_ARRAY(_f, _s, _n) \
348 VMSTATE_SLB_ARRAY_V(_f, _s, _n, 0)
350 static bool slb_needed(void *opaque
)
352 PowerPCCPU
*cpu
= opaque
;
354 /* We don't support any of the old segment table based 64-bit CPUs */
355 return (cpu
->env
.mmu_model
& POWERPC_MMU_64
);
358 static int slb_post_load(void *opaque
, int version_id
)
360 PowerPCCPU
*cpu
= opaque
;
361 CPUPPCState
*env
= &cpu
->env
;
364 /* We've pulled in the raw esid and vsid values from the migration
365 * stream, but we need to recompute the page size pointers */
366 for (i
= 0; i
< env
->slb_nr
; i
++) {
367 if (ppc_store_slb(cpu
, i
, env
->slb
[i
].esid
, env
->slb
[i
].vsid
) < 0) {
368 /* Migration source had bad values in its SLB */
376 static const VMStateDescription vmstate_slb
= {
379 .minimum_version_id
= 1,
380 .needed
= slb_needed
,
381 .post_load
= slb_post_load
,
382 .fields
= (VMStateField
[]) {
383 VMSTATE_INT32_EQUAL(env
.slb_nr
, PowerPCCPU
),
384 VMSTATE_SLB_ARRAY(env
.slb
, PowerPCCPU
, MAX_SLB_ENTRIES
),
385 VMSTATE_END_OF_LIST()
388 #endif /* TARGET_PPC64 */
390 static const VMStateDescription vmstate_tlb6xx_entry
= {
391 .name
= "cpu/tlb6xx_entry",
393 .minimum_version_id
= 1,
394 .fields
= (VMStateField
[]) {
395 VMSTATE_UINTTL(pte0
, ppc6xx_tlb_t
),
396 VMSTATE_UINTTL(pte1
, ppc6xx_tlb_t
),
397 VMSTATE_UINTTL(EPN
, ppc6xx_tlb_t
),
398 VMSTATE_END_OF_LIST()
402 static bool tlb6xx_needed(void *opaque
)
404 PowerPCCPU
*cpu
= opaque
;
405 CPUPPCState
*env
= &cpu
->env
;
407 return env
->nb_tlb
&& (env
->tlb_type
== TLB_6XX
);
410 static const VMStateDescription vmstate_tlb6xx
= {
411 .name
= "cpu/tlb6xx",
413 .minimum_version_id
= 1,
414 .needed
= tlb6xx_needed
,
415 .fields
= (VMStateField
[]) {
416 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
417 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlb6
, PowerPCCPU
,
419 vmstate_tlb6xx_entry
,
421 VMSTATE_UINTTL_ARRAY(env
.tgpr
, PowerPCCPU
, 4),
422 VMSTATE_END_OF_LIST()
426 static const VMStateDescription vmstate_tlbemb_entry
= {
427 .name
= "cpu/tlbemb_entry",
429 .minimum_version_id
= 1,
430 .fields
= (VMStateField
[]) {
431 VMSTATE_UINT64(RPN
, ppcemb_tlb_t
),
432 VMSTATE_UINTTL(EPN
, ppcemb_tlb_t
),
433 VMSTATE_UINTTL(PID
, ppcemb_tlb_t
),
434 VMSTATE_UINTTL(size
, ppcemb_tlb_t
),
435 VMSTATE_UINT32(prot
, ppcemb_tlb_t
),
436 VMSTATE_UINT32(attr
, ppcemb_tlb_t
),
437 VMSTATE_END_OF_LIST()
441 static bool tlbemb_needed(void *opaque
)
443 PowerPCCPU
*cpu
= opaque
;
444 CPUPPCState
*env
= &cpu
->env
;
446 return env
->nb_tlb
&& (env
->tlb_type
== TLB_EMB
);
449 static bool pbr403_needed(void *opaque
)
451 PowerPCCPU
*cpu
= opaque
;
452 uint32_t pvr
= cpu
->env
.spr
[SPR_PVR
];
454 return (pvr
& 0xffff0000) == 0x00200000;
457 static const VMStateDescription vmstate_pbr403
= {
458 .name
= "cpu/pbr403",
460 .minimum_version_id
= 1,
461 .needed
= pbr403_needed
,
462 .fields
= (VMStateField
[]) {
463 VMSTATE_UINTTL_ARRAY(env
.pb
, PowerPCCPU
, 4),
464 VMSTATE_END_OF_LIST()
468 static const VMStateDescription vmstate_tlbemb
= {
469 .name
= "cpu/tlb6xx",
471 .minimum_version_id
= 1,
472 .needed
= tlbemb_needed
,
473 .fields
= (VMStateField
[]) {
474 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
475 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbe
, PowerPCCPU
,
477 vmstate_tlbemb_entry
,
479 /* 403 protection registers */
480 VMSTATE_END_OF_LIST()
482 .subsections
= (const VMStateDescription
*[]) {
488 static const VMStateDescription vmstate_tlbmas_entry
= {
489 .name
= "cpu/tlbmas_entry",
491 .minimum_version_id
= 1,
492 .fields
= (VMStateField
[]) {
493 VMSTATE_UINT32(mas8
, ppcmas_tlb_t
),
494 VMSTATE_UINT32(mas1
, ppcmas_tlb_t
),
495 VMSTATE_UINT64(mas2
, ppcmas_tlb_t
),
496 VMSTATE_UINT64(mas7_3
, ppcmas_tlb_t
),
497 VMSTATE_END_OF_LIST()
501 static bool tlbmas_needed(void *opaque
)
503 PowerPCCPU
*cpu
= opaque
;
504 CPUPPCState
*env
= &cpu
->env
;
506 return env
->nb_tlb
&& (env
->tlb_type
== TLB_MAS
);
509 static const VMStateDescription vmstate_tlbmas
= {
510 .name
= "cpu/tlbmas",
512 .minimum_version_id
= 1,
513 .needed
= tlbmas_needed
,
514 .fields
= (VMStateField
[]) {
515 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
516 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbm
, PowerPCCPU
,
518 vmstate_tlbmas_entry
,
520 VMSTATE_END_OF_LIST()
524 const VMStateDescription vmstate_ppc_cpu
= {
527 .minimum_version_id
= 5,
528 .minimum_version_id_old
= 4,
529 .load_state_old
= cpu_load_old
,
530 .pre_save
= cpu_pre_save
,
531 .post_load
= cpu_post_load
,
532 .fields
= (VMStateField
[]) {
533 VMSTATE_UNUSED(sizeof(target_ulong
)), /* was _EQUAL(env.spr[SPR_PVR]) */
535 /* User mode architected state */
536 VMSTATE_UINTTL_ARRAY(env
.gpr
, PowerPCCPU
, 32),
537 #if !defined(TARGET_PPC64)
538 VMSTATE_UINTTL_ARRAY(env
.gprh
, PowerPCCPU
, 32),
540 VMSTATE_UINT32_ARRAY(env
.crf
, PowerPCCPU
, 8),
541 VMSTATE_UINTTL(env
.nip
, PowerPCCPU
),
544 VMSTATE_UINTTL_ARRAY(env
.spr
, PowerPCCPU
, 1024),
545 VMSTATE_UINT64(env
.spe_acc
, PowerPCCPU
),
548 VMSTATE_UINTTL(env
.reserve_addr
, PowerPCCPU
),
550 /* Supervisor mode architected state */
551 VMSTATE_UINTTL(env
.msr
, PowerPCCPU
),
554 VMSTATE_UINTTL(env
.hflags_nmsr
, PowerPCCPU
),
555 /* FIXME: access_type? */
557 /* Sanity checking */
558 VMSTATE_UINTTL_EQUAL(env
.msr_mask
, PowerPCCPU
),
559 VMSTATE_UINT64_EQUAL(env
.insns_flags
, PowerPCCPU
),
560 VMSTATE_UINT64_EQUAL(env
.insns_flags2
, PowerPCCPU
),
561 VMSTATE_UINT32_EQUAL(env
.nb_BATs
, PowerPCCPU
),
562 VMSTATE_END_OF_LIST()
564 .subsections
= (const VMStateDescription
*[]) {
572 #endif /* TARGET_PPC64 */