1 #include "qemu/osdep.h"
2 #include "qemu-common.h"
4 #include "exec/exec-all.h"
7 #include "sysemu/kvm.h"
8 #include "helper_regs.h"
9 #include "mmu-hash64.h"
10 #include "migration/cpu.h"
11 #include "exec/exec-all.h"
13 static int cpu_load_old(QEMUFile
*f
, void *opaque
, int version_id
)
15 PowerPCCPU
*cpu
= opaque
;
16 CPUPPCState
*env
= &cpu
->env
;
22 for (i
= 0; i
< 32; i
++)
23 qemu_get_betls(f
, &env
->gpr
[i
]);
24 #if !defined(TARGET_PPC64)
25 for (i
= 0; i
< 32; i
++)
26 qemu_get_betls(f
, &env
->gprh
[i
]);
28 qemu_get_betls(f
, &env
->lr
);
29 qemu_get_betls(f
, &env
->ctr
);
30 for (i
= 0; i
< 8; i
++)
31 qemu_get_be32s(f
, &env
->crf
[i
]);
32 qemu_get_betls(f
, &xer
);
33 cpu_write_xer(env
, xer
);
34 qemu_get_betls(f
, &env
->reserve_addr
);
35 qemu_get_betls(f
, &env
->msr
);
36 for (i
= 0; i
< 4; i
++)
37 qemu_get_betls(f
, &env
->tgpr
[i
]);
38 for (i
= 0; i
< 32; i
++) {
43 u
.l
= qemu_get_be64(f
);
46 qemu_get_be32s(f
, &fpscr
);
48 qemu_get_sbe32s(f
, &env
->access_type
);
49 #if defined(TARGET_PPC64)
50 qemu_get_betls(f
, &env
->spr
[SPR_ASR
]);
51 qemu_get_sbe32s(f
, &env
->slb_nr
);
53 qemu_get_betls(f
, &sdr1
);
54 for (i
= 0; i
< 32; i
++)
55 qemu_get_betls(f
, &env
->sr
[i
]);
56 for (i
= 0; i
< 2; i
++)
57 for (j
= 0; j
< 8; j
++)
58 qemu_get_betls(f
, &env
->DBAT
[i
][j
]);
59 for (i
= 0; i
< 2; i
++)
60 for (j
= 0; j
< 8; j
++)
61 qemu_get_betls(f
, &env
->IBAT
[i
][j
]);
62 qemu_get_sbe32s(f
, &env
->nb_tlb
);
63 qemu_get_sbe32s(f
, &env
->tlb_per_way
);
64 qemu_get_sbe32s(f
, &env
->nb_ways
);
65 qemu_get_sbe32s(f
, &env
->last_way
);
66 qemu_get_sbe32s(f
, &env
->id_tlbs
);
67 qemu_get_sbe32s(f
, &env
->nb_pids
);
70 for (i
= 0; i
< env
->nb_tlb
; i
++) {
71 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].pte0
);
72 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].pte1
);
73 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].EPN
);
76 for (i
= 0; i
< 4; i
++)
77 qemu_get_betls(f
, &env
->pb
[i
]);
78 for (i
= 0; i
< 1024; i
++)
79 qemu_get_betls(f
, &env
->spr
[i
]);
80 if (!env
->external_htab
) {
81 ppc_store_sdr1(env
, sdr1
);
83 qemu_get_be32s(f
, &env
->vscr
);
84 qemu_get_be64s(f
, &env
->spe_acc
);
85 qemu_get_be32s(f
, &env
->spe_fscr
);
86 qemu_get_betls(f
, &env
->msr_mask
);
87 qemu_get_be32s(f
, &env
->flags
);
88 qemu_get_sbe32s(f
, &env
->error_code
);
89 qemu_get_be32s(f
, &env
->pending_interrupts
);
90 qemu_get_be32s(f
, &env
->irq_input_state
);
91 for (i
= 0; i
< POWERPC_EXCP_NB
; i
++)
92 qemu_get_betls(f
, &env
->excp_vectors
[i
]);
93 qemu_get_betls(f
, &env
->excp_prefix
);
94 qemu_get_betls(f
, &env
->ivor_mask
);
95 qemu_get_betls(f
, &env
->ivpr_mask
);
96 qemu_get_betls(f
, &env
->hreset_vector
);
97 qemu_get_betls(f
, &env
->nip
);
98 qemu_get_betls(f
, &env
->hflags
);
99 qemu_get_betls(f
, &env
->hflags_nmsr
);
100 qemu_get_sbe32(f
); /* Discard unused mmu_idx */
101 qemu_get_sbe32(f
); /* Discard unused power_mode */
103 /* Recompute mmu indices */
104 hreg_compute_mem_idx(env
);
109 static int get_avr(QEMUFile
*f
, void *pv
, size_t size
)
113 v
->u64
[0] = qemu_get_be64(f
);
114 v
->u64
[1] = qemu_get_be64(f
);
119 static void put_avr(QEMUFile
*f
, void *pv
, size_t size
)
123 qemu_put_be64(f
, v
->u64
[0]);
124 qemu_put_be64(f
, v
->u64
[1]);
127 static const VMStateInfo vmstate_info_avr
= {
133 #define VMSTATE_AVR_ARRAY_V(_f, _s, _n, _v) \
134 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_avr, ppc_avr_t)
136 #define VMSTATE_AVR_ARRAY(_f, _s, _n) \
137 VMSTATE_AVR_ARRAY_V(_f, _s, _n, 0)
139 static void cpu_pre_save(void *opaque
)
141 PowerPCCPU
*cpu
= opaque
;
142 CPUPPCState
*env
= &cpu
->env
;
145 env
->spr
[SPR_LR
] = env
->lr
;
146 env
->spr
[SPR_CTR
] = env
->ctr
;
147 env
->spr
[SPR_XER
] = cpu_read_xer(env
);
148 #if defined(TARGET_PPC64)
149 env
->spr
[SPR_CFAR
] = env
->cfar
;
151 env
->spr
[SPR_BOOKE_SPEFSCR
] = env
->spe_fscr
;
153 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
154 env
->spr
[SPR_DBAT0U
+ 2*i
] = env
->DBAT
[0][i
];
155 env
->spr
[SPR_DBAT0U
+ 2*i
+ 1] = env
->DBAT
[1][i
];
156 env
->spr
[SPR_IBAT0U
+ 2*i
] = env
->IBAT
[0][i
];
157 env
->spr
[SPR_IBAT0U
+ 2*i
+ 1] = env
->IBAT
[1][i
];
159 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
160 env
->spr
[SPR_DBAT4U
+ 2*i
] = env
->DBAT
[0][i
+4];
161 env
->spr
[SPR_DBAT4U
+ 2*i
+ 1] = env
->DBAT
[1][i
+4];
162 env
->spr
[SPR_IBAT4U
+ 2*i
] = env
->IBAT
[0][i
+4];
163 env
->spr
[SPR_IBAT4U
+ 2*i
+ 1] = env
->IBAT
[1][i
+4];
167 static int cpu_post_load(void *opaque
, int version_id
)
169 PowerPCCPU
*cpu
= opaque
;
170 CPUPPCState
*env
= &cpu
->env
;
175 * We always ignore the source PVR. The user or management
176 * software has to take care of running QEMU in a compatible mode.
178 env
->spr
[SPR_PVR
] = env
->spr_cb
[SPR_PVR
].default_value
;
179 env
->lr
= env
->spr
[SPR_LR
];
180 env
->ctr
= env
->spr
[SPR_CTR
];
181 cpu_write_xer(env
, env
->spr
[SPR_XER
]);
182 #if defined(TARGET_PPC64)
183 env
->cfar
= env
->spr
[SPR_CFAR
];
185 env
->spe_fscr
= env
->spr
[SPR_BOOKE_SPEFSCR
];
187 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
188 env
->DBAT
[0][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
];
189 env
->DBAT
[1][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
+ 1];
190 env
->IBAT
[0][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
];
191 env
->IBAT
[1][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
+ 1];
193 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
194 env
->DBAT
[0][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
];
195 env
->DBAT
[1][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
+ 1];
196 env
->IBAT
[0][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
];
197 env
->IBAT
[1][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
+ 1];
200 if (!env
->external_htab
) {
201 /* Restore htab_base and htab_mask variables */
202 ppc_store_sdr1(env
, env
->spr
[SPR_SDR1
]);
205 /* Invalidate all msr bits except MSR_TGPR/MSR_HVB before restoring */
207 env
->msr
^= ~((1ULL << MSR_TGPR
) | MSR_HVB
);
208 ppc_store_msr(env
, msr
);
210 hreg_compute_mem_idx(env
);
215 static bool fpu_needed(void *opaque
)
217 PowerPCCPU
*cpu
= opaque
;
219 return (cpu
->env
.insns_flags
& PPC_FLOAT
);
222 static const VMStateDescription vmstate_fpu
= {
225 .minimum_version_id
= 1,
226 .needed
= fpu_needed
,
227 .fields
= (VMStateField
[]) {
228 VMSTATE_FLOAT64_ARRAY(env
.fpr
, PowerPCCPU
, 32),
229 VMSTATE_UINTTL(env
.fpscr
, PowerPCCPU
),
230 VMSTATE_END_OF_LIST()
234 static bool altivec_needed(void *opaque
)
236 PowerPCCPU
*cpu
= opaque
;
238 return (cpu
->env
.insns_flags
& PPC_ALTIVEC
);
241 static const VMStateDescription vmstate_altivec
= {
242 .name
= "cpu/altivec",
244 .minimum_version_id
= 1,
245 .needed
= altivec_needed
,
246 .fields
= (VMStateField
[]) {
247 VMSTATE_AVR_ARRAY(env
.avr
, PowerPCCPU
, 32),
248 VMSTATE_UINT32(env
.vscr
, PowerPCCPU
),
249 VMSTATE_END_OF_LIST()
253 static bool vsx_needed(void *opaque
)
255 PowerPCCPU
*cpu
= opaque
;
257 return (cpu
->env
.insns_flags2
& PPC2_VSX
);
260 static const VMStateDescription vmstate_vsx
= {
263 .minimum_version_id
= 1,
264 .needed
= vsx_needed
,
265 .fields
= (VMStateField
[]) {
266 VMSTATE_UINT64_ARRAY(env
.vsr
, PowerPCCPU
, 32),
267 VMSTATE_END_OF_LIST()
272 /* Transactional memory state */
273 static bool tm_needed(void *opaque
)
275 PowerPCCPU
*cpu
= opaque
;
276 CPUPPCState
*env
= &cpu
->env
;
280 static const VMStateDescription vmstate_tm
= {
283 .minimum_version_id
= 1,
284 .minimum_version_id_old
= 1,
286 .fields
= (VMStateField
[]) {
287 VMSTATE_UINTTL_ARRAY(env
.tm_gpr
, PowerPCCPU
, 32),
288 VMSTATE_AVR_ARRAY(env
.tm_vsr
, PowerPCCPU
, 64),
289 VMSTATE_UINT64(env
.tm_cr
, PowerPCCPU
),
290 VMSTATE_UINT64(env
.tm_lr
, PowerPCCPU
),
291 VMSTATE_UINT64(env
.tm_ctr
, PowerPCCPU
),
292 VMSTATE_UINT64(env
.tm_fpscr
, PowerPCCPU
),
293 VMSTATE_UINT64(env
.tm_amr
, PowerPCCPU
),
294 VMSTATE_UINT64(env
.tm_ppr
, PowerPCCPU
),
295 VMSTATE_UINT64(env
.tm_vrsave
, PowerPCCPU
),
296 VMSTATE_UINT32(env
.tm_vscr
, PowerPCCPU
),
297 VMSTATE_UINT64(env
.tm_dscr
, PowerPCCPU
),
298 VMSTATE_UINT64(env
.tm_tar
, PowerPCCPU
),
299 VMSTATE_END_OF_LIST()
304 static bool sr_needed(void *opaque
)
307 PowerPCCPU
*cpu
= opaque
;
309 return !(cpu
->env
.mmu_model
& POWERPC_MMU_64
);
315 static const VMStateDescription vmstate_sr
= {
318 .minimum_version_id
= 1,
320 .fields
= (VMStateField
[]) {
321 VMSTATE_UINTTL_ARRAY(env
.sr
, PowerPCCPU
, 32),
322 VMSTATE_END_OF_LIST()
327 static int get_slbe(QEMUFile
*f
, void *pv
, size_t size
)
331 v
->esid
= qemu_get_be64(f
);
332 v
->vsid
= qemu_get_be64(f
);
337 static void put_slbe(QEMUFile
*f
, void *pv
, size_t size
)
341 qemu_put_be64(f
, v
->esid
);
342 qemu_put_be64(f
, v
->vsid
);
345 static const VMStateInfo vmstate_info_slbe
= {
351 #define VMSTATE_SLB_ARRAY_V(_f, _s, _n, _v) \
352 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_slbe, ppc_slb_t)
354 #define VMSTATE_SLB_ARRAY(_f, _s, _n) \
355 VMSTATE_SLB_ARRAY_V(_f, _s, _n, 0)
357 static bool slb_needed(void *opaque
)
359 PowerPCCPU
*cpu
= opaque
;
361 /* We don't support any of the old segment table based 64-bit CPUs */
362 return (cpu
->env
.mmu_model
& POWERPC_MMU_64
);
365 static int slb_post_load(void *opaque
, int version_id
)
367 PowerPCCPU
*cpu
= opaque
;
368 CPUPPCState
*env
= &cpu
->env
;
371 /* We've pulled in the raw esid and vsid values from the migration
372 * stream, but we need to recompute the page size pointers */
373 for (i
= 0; i
< env
->slb_nr
; i
++) {
374 if (ppc_store_slb(cpu
, i
, env
->slb
[i
].esid
, env
->slb
[i
].vsid
) < 0) {
375 /* Migration source had bad values in its SLB */
383 static const VMStateDescription vmstate_slb
= {
386 .minimum_version_id
= 1,
387 .needed
= slb_needed
,
388 .post_load
= slb_post_load
,
389 .fields
= (VMStateField
[]) {
390 VMSTATE_INT32_EQUAL(env
.slb_nr
, PowerPCCPU
),
391 VMSTATE_SLB_ARRAY(env
.slb
, PowerPCCPU
, MAX_SLB_ENTRIES
),
392 VMSTATE_END_OF_LIST()
395 #endif /* TARGET_PPC64 */
397 static const VMStateDescription vmstate_tlb6xx_entry
= {
398 .name
= "cpu/tlb6xx_entry",
400 .minimum_version_id
= 1,
401 .fields
= (VMStateField
[]) {
402 VMSTATE_UINTTL(pte0
, ppc6xx_tlb_t
),
403 VMSTATE_UINTTL(pte1
, ppc6xx_tlb_t
),
404 VMSTATE_UINTTL(EPN
, ppc6xx_tlb_t
),
405 VMSTATE_END_OF_LIST()
409 static bool tlb6xx_needed(void *opaque
)
411 PowerPCCPU
*cpu
= opaque
;
412 CPUPPCState
*env
= &cpu
->env
;
414 return env
->nb_tlb
&& (env
->tlb_type
== TLB_6XX
);
417 static const VMStateDescription vmstate_tlb6xx
= {
418 .name
= "cpu/tlb6xx",
420 .minimum_version_id
= 1,
421 .needed
= tlb6xx_needed
,
422 .fields
= (VMStateField
[]) {
423 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
424 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlb6
, PowerPCCPU
,
426 vmstate_tlb6xx_entry
,
428 VMSTATE_UINTTL_ARRAY(env
.tgpr
, PowerPCCPU
, 4),
429 VMSTATE_END_OF_LIST()
433 static const VMStateDescription vmstate_tlbemb_entry
= {
434 .name
= "cpu/tlbemb_entry",
436 .minimum_version_id
= 1,
437 .fields
= (VMStateField
[]) {
438 VMSTATE_UINT64(RPN
, ppcemb_tlb_t
),
439 VMSTATE_UINTTL(EPN
, ppcemb_tlb_t
),
440 VMSTATE_UINTTL(PID
, ppcemb_tlb_t
),
441 VMSTATE_UINTTL(size
, ppcemb_tlb_t
),
442 VMSTATE_UINT32(prot
, ppcemb_tlb_t
),
443 VMSTATE_UINT32(attr
, ppcemb_tlb_t
),
444 VMSTATE_END_OF_LIST()
448 static bool tlbemb_needed(void *opaque
)
450 PowerPCCPU
*cpu
= opaque
;
451 CPUPPCState
*env
= &cpu
->env
;
453 return env
->nb_tlb
&& (env
->tlb_type
== TLB_EMB
);
456 static bool pbr403_needed(void *opaque
)
458 PowerPCCPU
*cpu
= opaque
;
459 uint32_t pvr
= cpu
->env
.spr
[SPR_PVR
];
461 return (pvr
& 0xffff0000) == 0x00200000;
464 static const VMStateDescription vmstate_pbr403
= {
465 .name
= "cpu/pbr403",
467 .minimum_version_id
= 1,
468 .needed
= pbr403_needed
,
469 .fields
= (VMStateField
[]) {
470 VMSTATE_UINTTL_ARRAY(env
.pb
, PowerPCCPU
, 4),
471 VMSTATE_END_OF_LIST()
475 static const VMStateDescription vmstate_tlbemb
= {
476 .name
= "cpu/tlb6xx",
478 .minimum_version_id
= 1,
479 .needed
= tlbemb_needed
,
480 .fields
= (VMStateField
[]) {
481 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
482 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbe
, PowerPCCPU
,
484 vmstate_tlbemb_entry
,
486 /* 403 protection registers */
487 VMSTATE_END_OF_LIST()
489 .subsections
= (const VMStateDescription
*[]) {
495 static const VMStateDescription vmstate_tlbmas_entry
= {
496 .name
= "cpu/tlbmas_entry",
498 .minimum_version_id
= 1,
499 .fields
= (VMStateField
[]) {
500 VMSTATE_UINT32(mas8
, ppcmas_tlb_t
),
501 VMSTATE_UINT32(mas1
, ppcmas_tlb_t
),
502 VMSTATE_UINT64(mas2
, ppcmas_tlb_t
),
503 VMSTATE_UINT64(mas7_3
, ppcmas_tlb_t
),
504 VMSTATE_END_OF_LIST()
508 static bool tlbmas_needed(void *opaque
)
510 PowerPCCPU
*cpu
= opaque
;
511 CPUPPCState
*env
= &cpu
->env
;
513 return env
->nb_tlb
&& (env
->tlb_type
== TLB_MAS
);
516 static const VMStateDescription vmstate_tlbmas
= {
517 .name
= "cpu/tlbmas",
519 .minimum_version_id
= 1,
520 .needed
= tlbmas_needed
,
521 .fields
= (VMStateField
[]) {
522 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
523 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbm
, PowerPCCPU
,
525 vmstate_tlbmas_entry
,
527 VMSTATE_END_OF_LIST()
531 const VMStateDescription vmstate_ppc_cpu
= {
534 .minimum_version_id
= 5,
535 .minimum_version_id_old
= 4,
536 .load_state_old
= cpu_load_old
,
537 .pre_save
= cpu_pre_save
,
538 .post_load
= cpu_post_load
,
539 .fields
= (VMStateField
[]) {
540 VMSTATE_UNUSED(sizeof(target_ulong
)), /* was _EQUAL(env.spr[SPR_PVR]) */
542 /* User mode architected state */
543 VMSTATE_UINTTL_ARRAY(env
.gpr
, PowerPCCPU
, 32),
544 #if !defined(TARGET_PPC64)
545 VMSTATE_UINTTL_ARRAY(env
.gprh
, PowerPCCPU
, 32),
547 VMSTATE_UINT32_ARRAY(env
.crf
, PowerPCCPU
, 8),
548 VMSTATE_UINTTL(env
.nip
, PowerPCCPU
),
551 VMSTATE_UINTTL_ARRAY(env
.spr
, PowerPCCPU
, 1024),
552 VMSTATE_UINT64(env
.spe_acc
, PowerPCCPU
),
555 VMSTATE_UINTTL(env
.reserve_addr
, PowerPCCPU
),
557 /* Supervisor mode architected state */
558 VMSTATE_UINTTL(env
.msr
, PowerPCCPU
),
561 VMSTATE_UINTTL(env
.hflags_nmsr
, PowerPCCPU
),
562 /* FIXME: access_type? */
564 /* Sanity checking */
565 VMSTATE_UINTTL_EQUAL(env
.msr_mask
, PowerPCCPU
),
566 VMSTATE_UINT64_EQUAL(env
.insns_flags
, PowerPCCPU
),
567 VMSTATE_UINT64_EQUAL(env
.insns_flags2
, PowerPCCPU
),
568 VMSTATE_UINT32_EQUAL(env
.nb_BATs
, PowerPCCPU
),
569 VMSTATE_END_OF_LIST()
571 .subsections
= (const VMStateDescription
*[]) {
579 #endif /* TARGET_PPC64 */