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_sbe32s(f
, &env
->mmu_idx
);
101 qemu_get_sbe32(f
); /* Discard unused power_mode */
106 static int get_avr(QEMUFile
*f
, void *pv
, size_t size
)
110 v
->u64
[0] = qemu_get_be64(f
);
111 v
->u64
[1] = qemu_get_be64(f
);
116 static void put_avr(QEMUFile
*f
, void *pv
, size_t size
)
120 qemu_put_be64(f
, v
->u64
[0]);
121 qemu_put_be64(f
, v
->u64
[1]);
124 static const VMStateInfo vmstate_info_avr
= {
130 #define VMSTATE_AVR_ARRAY_V(_f, _s, _n, _v) \
131 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_avr, ppc_avr_t)
133 #define VMSTATE_AVR_ARRAY(_f, _s, _n) \
134 VMSTATE_AVR_ARRAY_V(_f, _s, _n, 0)
136 static void cpu_pre_save(void *opaque
)
138 PowerPCCPU
*cpu
= opaque
;
139 CPUPPCState
*env
= &cpu
->env
;
142 env
->spr
[SPR_LR
] = env
->lr
;
143 env
->spr
[SPR_CTR
] = env
->ctr
;
144 env
->spr
[SPR_XER
] = cpu_read_xer(env
);
145 #if defined(TARGET_PPC64)
146 env
->spr
[SPR_CFAR
] = env
->cfar
;
148 env
->spr
[SPR_BOOKE_SPEFSCR
] = env
->spe_fscr
;
150 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
151 env
->spr
[SPR_DBAT0U
+ 2*i
] = env
->DBAT
[0][i
];
152 env
->spr
[SPR_DBAT0U
+ 2*i
+ 1] = env
->DBAT
[1][i
];
153 env
->spr
[SPR_IBAT0U
+ 2*i
] = env
->IBAT
[0][i
];
154 env
->spr
[SPR_IBAT0U
+ 2*i
+ 1] = env
->IBAT
[1][i
];
156 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
157 env
->spr
[SPR_DBAT4U
+ 2*i
] = env
->DBAT
[0][i
+4];
158 env
->spr
[SPR_DBAT4U
+ 2*i
+ 1] = env
->DBAT
[1][i
+4];
159 env
->spr
[SPR_IBAT4U
+ 2*i
] = env
->IBAT
[0][i
+4];
160 env
->spr
[SPR_IBAT4U
+ 2*i
+ 1] = env
->IBAT
[1][i
+4];
164 static int cpu_post_load(void *opaque
, int version_id
)
166 PowerPCCPU
*cpu
= opaque
;
167 CPUPPCState
*env
= &cpu
->env
;
172 * We always ignore the source PVR. The user or management
173 * software has to take care of running QEMU in a compatible mode.
175 env
->spr
[SPR_PVR
] = env
->spr_cb
[SPR_PVR
].default_value
;
176 env
->lr
= env
->spr
[SPR_LR
];
177 env
->ctr
= env
->spr
[SPR_CTR
];
178 cpu_write_xer(env
, env
->spr
[SPR_XER
]);
179 #if defined(TARGET_PPC64)
180 env
->cfar
= env
->spr
[SPR_CFAR
];
182 env
->spe_fscr
= env
->spr
[SPR_BOOKE_SPEFSCR
];
184 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
185 env
->DBAT
[0][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
];
186 env
->DBAT
[1][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
+ 1];
187 env
->IBAT
[0][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
];
188 env
->IBAT
[1][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
+ 1];
190 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
191 env
->DBAT
[0][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
];
192 env
->DBAT
[1][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
+ 1];
193 env
->IBAT
[0][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
];
194 env
->IBAT
[1][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
+ 1];
197 if (!env
->external_htab
) {
198 /* Restore htab_base and htab_mask variables */
199 ppc_store_sdr1(env
, env
->spr
[SPR_SDR1
]);
202 /* Invalidate all msr bits except MSR_TGPR/MSR_HVB before restoring */
204 env
->msr
^= ~((1ULL << MSR_TGPR
) | MSR_HVB
);
205 ppc_store_msr(env
, msr
);
207 hreg_compute_mem_idx(env
);
212 static bool fpu_needed(void *opaque
)
214 PowerPCCPU
*cpu
= opaque
;
216 return (cpu
->env
.insns_flags
& PPC_FLOAT
);
219 static const VMStateDescription vmstate_fpu
= {
222 .minimum_version_id
= 1,
223 .needed
= fpu_needed
,
224 .fields
= (VMStateField
[]) {
225 VMSTATE_FLOAT64_ARRAY(env
.fpr
, PowerPCCPU
, 32),
226 VMSTATE_UINTTL(env
.fpscr
, PowerPCCPU
),
227 VMSTATE_END_OF_LIST()
231 static bool altivec_needed(void *opaque
)
233 PowerPCCPU
*cpu
= opaque
;
235 return (cpu
->env
.insns_flags
& PPC_ALTIVEC
);
238 static const VMStateDescription vmstate_altivec
= {
239 .name
= "cpu/altivec",
241 .minimum_version_id
= 1,
242 .needed
= altivec_needed
,
243 .fields
= (VMStateField
[]) {
244 VMSTATE_AVR_ARRAY(env
.avr
, PowerPCCPU
, 32),
245 VMSTATE_UINT32(env
.vscr
, PowerPCCPU
),
246 VMSTATE_END_OF_LIST()
250 static bool vsx_needed(void *opaque
)
252 PowerPCCPU
*cpu
= opaque
;
254 return (cpu
->env
.insns_flags2
& PPC2_VSX
);
257 static const VMStateDescription vmstate_vsx
= {
260 .minimum_version_id
= 1,
261 .needed
= vsx_needed
,
262 .fields
= (VMStateField
[]) {
263 VMSTATE_UINT64_ARRAY(env
.vsr
, PowerPCCPU
, 32),
264 VMSTATE_END_OF_LIST()
269 /* Transactional memory state */
270 static bool tm_needed(void *opaque
)
272 PowerPCCPU
*cpu
= opaque
;
273 CPUPPCState
*env
= &cpu
->env
;
277 static const VMStateDescription vmstate_tm
= {
280 .minimum_version_id
= 1,
281 .minimum_version_id_old
= 1,
283 .fields
= (VMStateField
[]) {
284 VMSTATE_UINTTL_ARRAY(env
.tm_gpr
, PowerPCCPU
, 32),
285 VMSTATE_AVR_ARRAY(env
.tm_vsr
, PowerPCCPU
, 64),
286 VMSTATE_UINT64(env
.tm_cr
, PowerPCCPU
),
287 VMSTATE_UINT64(env
.tm_lr
, PowerPCCPU
),
288 VMSTATE_UINT64(env
.tm_ctr
, PowerPCCPU
),
289 VMSTATE_UINT64(env
.tm_fpscr
, PowerPCCPU
),
290 VMSTATE_UINT64(env
.tm_amr
, PowerPCCPU
),
291 VMSTATE_UINT64(env
.tm_ppr
, PowerPCCPU
),
292 VMSTATE_UINT64(env
.tm_vrsave
, PowerPCCPU
),
293 VMSTATE_UINT32(env
.tm_vscr
, PowerPCCPU
),
294 VMSTATE_UINT64(env
.tm_dscr
, PowerPCCPU
),
295 VMSTATE_UINT64(env
.tm_tar
, PowerPCCPU
),
296 VMSTATE_END_OF_LIST()
301 static bool sr_needed(void *opaque
)
304 PowerPCCPU
*cpu
= opaque
;
306 return !(cpu
->env
.mmu_model
& POWERPC_MMU_64
);
312 static const VMStateDescription vmstate_sr
= {
315 .minimum_version_id
= 1,
317 .fields
= (VMStateField
[]) {
318 VMSTATE_UINTTL_ARRAY(env
.sr
, PowerPCCPU
, 32),
319 VMSTATE_END_OF_LIST()
324 static int get_slbe(QEMUFile
*f
, void *pv
, size_t size
)
328 v
->esid
= qemu_get_be64(f
);
329 v
->vsid
= qemu_get_be64(f
);
334 static void put_slbe(QEMUFile
*f
, void *pv
, size_t size
)
338 qemu_put_be64(f
, v
->esid
);
339 qemu_put_be64(f
, v
->vsid
);
342 static const VMStateInfo vmstate_info_slbe
= {
348 #define VMSTATE_SLB_ARRAY_V(_f, _s, _n, _v) \
349 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_slbe, ppc_slb_t)
351 #define VMSTATE_SLB_ARRAY(_f, _s, _n) \
352 VMSTATE_SLB_ARRAY_V(_f, _s, _n, 0)
354 static bool slb_needed(void *opaque
)
356 PowerPCCPU
*cpu
= opaque
;
358 /* We don't support any of the old segment table based 64-bit CPUs */
359 return (cpu
->env
.mmu_model
& POWERPC_MMU_64
);
362 static int slb_post_load(void *opaque
, int version_id
)
364 PowerPCCPU
*cpu
= opaque
;
365 CPUPPCState
*env
= &cpu
->env
;
368 /* We've pulled in the raw esid and vsid values from the migration
369 * stream, but we need to recompute the page size pointers */
370 for (i
= 0; i
< env
->slb_nr
; i
++) {
371 if (ppc_store_slb(cpu
, i
, env
->slb
[i
].esid
, env
->slb
[i
].vsid
) < 0) {
372 /* Migration source had bad values in its SLB */
380 static const VMStateDescription vmstate_slb
= {
383 .minimum_version_id
= 1,
384 .needed
= slb_needed
,
385 .post_load
= slb_post_load
,
386 .fields
= (VMStateField
[]) {
387 VMSTATE_INT32_EQUAL(env
.slb_nr
, PowerPCCPU
),
388 VMSTATE_SLB_ARRAY(env
.slb
, PowerPCCPU
, MAX_SLB_ENTRIES
),
389 VMSTATE_END_OF_LIST()
392 #endif /* TARGET_PPC64 */
394 static const VMStateDescription vmstate_tlb6xx_entry
= {
395 .name
= "cpu/tlb6xx_entry",
397 .minimum_version_id
= 1,
398 .fields
= (VMStateField
[]) {
399 VMSTATE_UINTTL(pte0
, ppc6xx_tlb_t
),
400 VMSTATE_UINTTL(pte1
, ppc6xx_tlb_t
),
401 VMSTATE_UINTTL(EPN
, ppc6xx_tlb_t
),
402 VMSTATE_END_OF_LIST()
406 static bool tlb6xx_needed(void *opaque
)
408 PowerPCCPU
*cpu
= opaque
;
409 CPUPPCState
*env
= &cpu
->env
;
411 return env
->nb_tlb
&& (env
->tlb_type
== TLB_6XX
);
414 static const VMStateDescription vmstate_tlb6xx
= {
415 .name
= "cpu/tlb6xx",
417 .minimum_version_id
= 1,
418 .needed
= tlb6xx_needed
,
419 .fields
= (VMStateField
[]) {
420 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
421 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlb6
, PowerPCCPU
,
423 vmstate_tlb6xx_entry
,
425 VMSTATE_UINTTL_ARRAY(env
.tgpr
, PowerPCCPU
, 4),
426 VMSTATE_END_OF_LIST()
430 static const VMStateDescription vmstate_tlbemb_entry
= {
431 .name
= "cpu/tlbemb_entry",
433 .minimum_version_id
= 1,
434 .fields
= (VMStateField
[]) {
435 VMSTATE_UINT64(RPN
, ppcemb_tlb_t
),
436 VMSTATE_UINTTL(EPN
, ppcemb_tlb_t
),
437 VMSTATE_UINTTL(PID
, ppcemb_tlb_t
),
438 VMSTATE_UINTTL(size
, ppcemb_tlb_t
),
439 VMSTATE_UINT32(prot
, ppcemb_tlb_t
),
440 VMSTATE_UINT32(attr
, ppcemb_tlb_t
),
441 VMSTATE_END_OF_LIST()
445 static bool tlbemb_needed(void *opaque
)
447 PowerPCCPU
*cpu
= opaque
;
448 CPUPPCState
*env
= &cpu
->env
;
450 return env
->nb_tlb
&& (env
->tlb_type
== TLB_EMB
);
453 static bool pbr403_needed(void *opaque
)
455 PowerPCCPU
*cpu
= opaque
;
456 uint32_t pvr
= cpu
->env
.spr
[SPR_PVR
];
458 return (pvr
& 0xffff0000) == 0x00200000;
461 static const VMStateDescription vmstate_pbr403
= {
462 .name
= "cpu/pbr403",
464 .minimum_version_id
= 1,
465 .needed
= pbr403_needed
,
466 .fields
= (VMStateField
[]) {
467 VMSTATE_UINTTL_ARRAY(env
.pb
, PowerPCCPU
, 4),
468 VMSTATE_END_OF_LIST()
472 static const VMStateDescription vmstate_tlbemb
= {
473 .name
= "cpu/tlb6xx",
475 .minimum_version_id
= 1,
476 .needed
= tlbemb_needed
,
477 .fields
= (VMStateField
[]) {
478 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
479 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbe
, PowerPCCPU
,
481 vmstate_tlbemb_entry
,
483 /* 403 protection registers */
484 VMSTATE_END_OF_LIST()
486 .subsections
= (const VMStateDescription
*[]) {
492 static const VMStateDescription vmstate_tlbmas_entry
= {
493 .name
= "cpu/tlbmas_entry",
495 .minimum_version_id
= 1,
496 .fields
= (VMStateField
[]) {
497 VMSTATE_UINT32(mas8
, ppcmas_tlb_t
),
498 VMSTATE_UINT32(mas1
, ppcmas_tlb_t
),
499 VMSTATE_UINT64(mas2
, ppcmas_tlb_t
),
500 VMSTATE_UINT64(mas7_3
, ppcmas_tlb_t
),
501 VMSTATE_END_OF_LIST()
505 static bool tlbmas_needed(void *opaque
)
507 PowerPCCPU
*cpu
= opaque
;
508 CPUPPCState
*env
= &cpu
->env
;
510 return env
->nb_tlb
&& (env
->tlb_type
== TLB_MAS
);
513 static const VMStateDescription vmstate_tlbmas
= {
514 .name
= "cpu/tlbmas",
516 .minimum_version_id
= 1,
517 .needed
= tlbmas_needed
,
518 .fields
= (VMStateField
[]) {
519 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
520 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbm
, PowerPCCPU
,
522 vmstate_tlbmas_entry
,
524 VMSTATE_END_OF_LIST()
528 const VMStateDescription vmstate_ppc_cpu
= {
531 .minimum_version_id
= 5,
532 .minimum_version_id_old
= 4,
533 .load_state_old
= cpu_load_old
,
534 .pre_save
= cpu_pre_save
,
535 .post_load
= cpu_post_load
,
536 .fields
= (VMStateField
[]) {
537 VMSTATE_UNUSED(sizeof(target_ulong
)), /* was _EQUAL(env.spr[SPR_PVR]) */
539 /* User mode architected state */
540 VMSTATE_UINTTL_ARRAY(env
.gpr
, PowerPCCPU
, 32),
541 #if !defined(TARGET_PPC64)
542 VMSTATE_UINTTL_ARRAY(env
.gprh
, PowerPCCPU
, 32),
544 VMSTATE_UINT32_ARRAY(env
.crf
, PowerPCCPU
, 8),
545 VMSTATE_UINTTL(env
.nip
, PowerPCCPU
),
548 VMSTATE_UINTTL_ARRAY(env
.spr
, PowerPCCPU
, 1024),
549 VMSTATE_UINT64(env
.spe_acc
, PowerPCCPU
),
552 VMSTATE_UINTTL(env
.reserve_addr
, PowerPCCPU
),
554 /* Supervisor mode architected state */
555 VMSTATE_UINTTL(env
.msr
, PowerPCCPU
),
558 VMSTATE_UINTTL(env
.hflags_nmsr
, PowerPCCPU
),
559 /* FIXME: access_type? */
561 /* Sanity checking */
562 VMSTATE_UINTTL_EQUAL(env
.msr_mask
, PowerPCCPU
),
563 VMSTATE_UINT64_EQUAL(env
.insns_flags
, PowerPCCPU
),
564 VMSTATE_UINT64_EQUAL(env
.insns_flags2
, PowerPCCPU
),
565 VMSTATE_UINT32_EQUAL(env
.nb_BATs
, PowerPCCPU
),
566 VMSTATE_END_OF_LIST()
568 .subsections
= (const VMStateDescription
*[]) {
576 #endif /* TARGET_PPC64 */