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"
12 static int cpu_load_old(QEMUFile
*f
, void *opaque
, int version_id
)
14 PowerPCCPU
*cpu
= opaque
;
15 CPUPPCState
*env
= &cpu
->env
;
21 for (i
= 0; i
< 32; i
++)
22 qemu_get_betls(f
, &env
->gpr
[i
]);
23 #if !defined(TARGET_PPC64)
24 for (i
= 0; i
< 32; i
++)
25 qemu_get_betls(f
, &env
->gprh
[i
]);
27 qemu_get_betls(f
, &env
->lr
);
28 qemu_get_betls(f
, &env
->ctr
);
29 for (i
= 0; i
< 8; i
++)
30 qemu_get_be32s(f
, &env
->crf
[i
]);
31 qemu_get_betls(f
, &xer
);
32 cpu_write_xer(env
, xer
);
33 qemu_get_betls(f
, &env
->reserve_addr
);
34 qemu_get_betls(f
, &env
->msr
);
35 for (i
= 0; i
< 4; i
++)
36 qemu_get_betls(f
, &env
->tgpr
[i
]);
37 for (i
= 0; i
< 32; i
++) {
42 u
.l
= qemu_get_be64(f
);
45 qemu_get_be32s(f
, &fpscr
);
47 qemu_get_sbe32s(f
, &env
->access_type
);
48 #if defined(TARGET_PPC64)
49 qemu_get_betls(f
, &env
->spr
[SPR_ASR
]);
50 qemu_get_sbe32s(f
, &env
->slb_nr
);
52 qemu_get_betls(f
, &sdr1
);
53 for (i
= 0; i
< 32; i
++)
54 qemu_get_betls(f
, &env
->sr
[i
]);
55 for (i
= 0; i
< 2; i
++)
56 for (j
= 0; j
< 8; j
++)
57 qemu_get_betls(f
, &env
->DBAT
[i
][j
]);
58 for (i
= 0; i
< 2; i
++)
59 for (j
= 0; j
< 8; j
++)
60 qemu_get_betls(f
, &env
->IBAT
[i
][j
]);
61 qemu_get_sbe32s(f
, &env
->nb_tlb
);
62 qemu_get_sbe32s(f
, &env
->tlb_per_way
);
63 qemu_get_sbe32s(f
, &env
->nb_ways
);
64 qemu_get_sbe32s(f
, &env
->last_way
);
65 qemu_get_sbe32s(f
, &env
->id_tlbs
);
66 qemu_get_sbe32s(f
, &env
->nb_pids
);
69 for (i
= 0; i
< env
->nb_tlb
; i
++) {
70 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].pte0
);
71 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].pte1
);
72 qemu_get_betls(f
, &env
->tlb
.tlb6
[i
].EPN
);
75 for (i
= 0; i
< 4; i
++)
76 qemu_get_betls(f
, &env
->pb
[i
]);
77 for (i
= 0; i
< 1024; i
++)
78 qemu_get_betls(f
, &env
->spr
[i
]);
79 if (!env
->external_htab
) {
80 ppc_store_sdr1(env
, sdr1
);
82 qemu_get_be32s(f
, &env
->vscr
);
83 qemu_get_be64s(f
, &env
->spe_acc
);
84 qemu_get_be32s(f
, &env
->spe_fscr
);
85 qemu_get_betls(f
, &env
->msr_mask
);
86 qemu_get_be32s(f
, &env
->flags
);
87 qemu_get_sbe32s(f
, &env
->error_code
);
88 qemu_get_be32s(f
, &env
->pending_interrupts
);
89 qemu_get_be32s(f
, &env
->irq_input_state
);
90 for (i
= 0; i
< POWERPC_EXCP_NB
; i
++)
91 qemu_get_betls(f
, &env
->excp_vectors
[i
]);
92 qemu_get_betls(f
, &env
->excp_prefix
);
93 qemu_get_betls(f
, &env
->ivor_mask
);
94 qemu_get_betls(f
, &env
->ivpr_mask
);
95 qemu_get_betls(f
, &env
->hreset_vector
);
96 qemu_get_betls(f
, &env
->nip
);
97 qemu_get_betls(f
, &env
->hflags
);
98 qemu_get_betls(f
, &env
->hflags_nmsr
);
99 qemu_get_sbe32(f
); /* Discard unused mmu_idx */
100 qemu_get_sbe32(f
); /* Discard unused power_mode */
102 /* Recompute mmu indices */
103 hreg_compute_mem_idx(env
);
108 static int get_avr(QEMUFile
*f
, void *pv
, size_t size
)
112 v
->u64
[0] = qemu_get_be64(f
);
113 v
->u64
[1] = qemu_get_be64(f
);
118 static void put_avr(QEMUFile
*f
, void *pv
, size_t size
)
122 qemu_put_be64(f
, v
->u64
[0]);
123 qemu_put_be64(f
, v
->u64
[1]);
126 static const VMStateInfo vmstate_info_avr
= {
132 #define VMSTATE_AVR_ARRAY_V(_f, _s, _n, _v) \
133 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_avr, ppc_avr_t)
135 #define VMSTATE_AVR_ARRAY(_f, _s, _n) \
136 VMSTATE_AVR_ARRAY_V(_f, _s, _n, 0)
138 static void cpu_pre_save(void *opaque
)
140 PowerPCCPU
*cpu
= opaque
;
141 CPUPPCState
*env
= &cpu
->env
;
144 env
->spr
[SPR_LR
] = env
->lr
;
145 env
->spr
[SPR_CTR
] = env
->ctr
;
146 env
->spr
[SPR_XER
] = cpu_read_xer(env
);
147 #if defined(TARGET_PPC64)
148 env
->spr
[SPR_CFAR
] = env
->cfar
;
150 env
->spr
[SPR_BOOKE_SPEFSCR
] = env
->spe_fscr
;
152 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
153 env
->spr
[SPR_DBAT0U
+ 2*i
] = env
->DBAT
[0][i
];
154 env
->spr
[SPR_DBAT0U
+ 2*i
+ 1] = env
->DBAT
[1][i
];
155 env
->spr
[SPR_IBAT0U
+ 2*i
] = env
->IBAT
[0][i
];
156 env
->spr
[SPR_IBAT0U
+ 2*i
+ 1] = env
->IBAT
[1][i
];
158 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
159 env
->spr
[SPR_DBAT4U
+ 2*i
] = env
->DBAT
[0][i
+4];
160 env
->spr
[SPR_DBAT4U
+ 2*i
+ 1] = env
->DBAT
[1][i
+4];
161 env
->spr
[SPR_IBAT4U
+ 2*i
] = env
->IBAT
[0][i
+4];
162 env
->spr
[SPR_IBAT4U
+ 2*i
+ 1] = env
->IBAT
[1][i
+4];
166 static int cpu_post_load(void *opaque
, int version_id
)
168 PowerPCCPU
*cpu
= opaque
;
169 CPUPPCState
*env
= &cpu
->env
;
174 * We always ignore the source PVR. The user or management
175 * software has to take care of running QEMU in a compatible mode.
177 env
->spr
[SPR_PVR
] = env
->spr_cb
[SPR_PVR
].default_value
;
178 env
->lr
= env
->spr
[SPR_LR
];
179 env
->ctr
= env
->spr
[SPR_CTR
];
180 cpu_write_xer(env
, env
->spr
[SPR_XER
]);
181 #if defined(TARGET_PPC64)
182 env
->cfar
= env
->spr
[SPR_CFAR
];
184 env
->spe_fscr
= env
->spr
[SPR_BOOKE_SPEFSCR
];
186 for (i
= 0; (i
< 4) && (i
< env
->nb_BATs
); i
++) {
187 env
->DBAT
[0][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
];
188 env
->DBAT
[1][i
] = env
->spr
[SPR_DBAT0U
+ 2*i
+ 1];
189 env
->IBAT
[0][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
];
190 env
->IBAT
[1][i
] = env
->spr
[SPR_IBAT0U
+ 2*i
+ 1];
192 for (i
= 0; (i
< 4) && ((i
+4) < env
->nb_BATs
); i
++) {
193 env
->DBAT
[0][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
];
194 env
->DBAT
[1][i
+4] = env
->spr
[SPR_DBAT4U
+ 2*i
+ 1];
195 env
->IBAT
[0][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
];
196 env
->IBAT
[1][i
+4] = env
->spr
[SPR_IBAT4U
+ 2*i
+ 1];
199 if (!env
->external_htab
) {
200 /* Restore htab_base and htab_mask variables */
201 ppc_store_sdr1(env
, env
->spr
[SPR_SDR1
]);
204 /* Invalidate all msr bits except MSR_TGPR/MSR_HVB before restoring */
206 env
->msr
^= ~((1ULL << MSR_TGPR
) | MSR_HVB
);
207 ppc_store_msr(env
, msr
);
209 hreg_compute_mem_idx(env
);
214 static bool fpu_needed(void *opaque
)
216 PowerPCCPU
*cpu
= opaque
;
218 return (cpu
->env
.insns_flags
& PPC_FLOAT
);
221 static const VMStateDescription vmstate_fpu
= {
224 .minimum_version_id
= 1,
225 .needed
= fpu_needed
,
226 .fields
= (VMStateField
[]) {
227 VMSTATE_FLOAT64_ARRAY(env
.fpr
, PowerPCCPU
, 32),
228 VMSTATE_UINTTL(env
.fpscr
, PowerPCCPU
),
229 VMSTATE_END_OF_LIST()
233 static bool altivec_needed(void *opaque
)
235 PowerPCCPU
*cpu
= opaque
;
237 return (cpu
->env
.insns_flags
& PPC_ALTIVEC
);
240 static const VMStateDescription vmstate_altivec
= {
241 .name
= "cpu/altivec",
243 .minimum_version_id
= 1,
244 .needed
= altivec_needed
,
245 .fields
= (VMStateField
[]) {
246 VMSTATE_AVR_ARRAY(env
.avr
, PowerPCCPU
, 32),
247 VMSTATE_UINT32(env
.vscr
, PowerPCCPU
),
248 VMSTATE_END_OF_LIST()
252 static bool vsx_needed(void *opaque
)
254 PowerPCCPU
*cpu
= opaque
;
256 return (cpu
->env
.insns_flags2
& PPC2_VSX
);
259 static const VMStateDescription vmstate_vsx
= {
262 .minimum_version_id
= 1,
263 .needed
= vsx_needed
,
264 .fields
= (VMStateField
[]) {
265 VMSTATE_UINT64_ARRAY(env
.vsr
, PowerPCCPU
, 32),
266 VMSTATE_END_OF_LIST()
271 /* Transactional memory state */
272 static bool tm_needed(void *opaque
)
274 PowerPCCPU
*cpu
= opaque
;
275 CPUPPCState
*env
= &cpu
->env
;
279 static const VMStateDescription vmstate_tm
= {
282 .minimum_version_id
= 1,
283 .minimum_version_id_old
= 1,
285 .fields
= (VMStateField
[]) {
286 VMSTATE_UINTTL_ARRAY(env
.tm_gpr
, PowerPCCPU
, 32),
287 VMSTATE_AVR_ARRAY(env
.tm_vsr
, PowerPCCPU
, 64),
288 VMSTATE_UINT64(env
.tm_cr
, PowerPCCPU
),
289 VMSTATE_UINT64(env
.tm_lr
, PowerPCCPU
),
290 VMSTATE_UINT64(env
.tm_ctr
, PowerPCCPU
),
291 VMSTATE_UINT64(env
.tm_fpscr
, PowerPCCPU
),
292 VMSTATE_UINT64(env
.tm_amr
, PowerPCCPU
),
293 VMSTATE_UINT64(env
.tm_ppr
, PowerPCCPU
),
294 VMSTATE_UINT64(env
.tm_vrsave
, PowerPCCPU
),
295 VMSTATE_UINT32(env
.tm_vscr
, PowerPCCPU
),
296 VMSTATE_UINT64(env
.tm_dscr
, PowerPCCPU
),
297 VMSTATE_UINT64(env
.tm_tar
, PowerPCCPU
),
298 VMSTATE_END_OF_LIST()
303 static bool sr_needed(void *opaque
)
306 PowerPCCPU
*cpu
= opaque
;
308 return !(cpu
->env
.mmu_model
& POWERPC_MMU_64
);
314 static const VMStateDescription vmstate_sr
= {
317 .minimum_version_id
= 1,
319 .fields
= (VMStateField
[]) {
320 VMSTATE_UINTTL_ARRAY(env
.sr
, PowerPCCPU
, 32),
321 VMSTATE_END_OF_LIST()
326 static int get_slbe(QEMUFile
*f
, void *pv
, size_t size
)
330 v
->esid
= qemu_get_be64(f
);
331 v
->vsid
= qemu_get_be64(f
);
336 static void put_slbe(QEMUFile
*f
, void *pv
, size_t size
)
340 qemu_put_be64(f
, v
->esid
);
341 qemu_put_be64(f
, v
->vsid
);
344 static const VMStateInfo vmstate_info_slbe
= {
350 #define VMSTATE_SLB_ARRAY_V(_f, _s, _n, _v) \
351 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_slbe, ppc_slb_t)
353 #define VMSTATE_SLB_ARRAY(_f, _s, _n) \
354 VMSTATE_SLB_ARRAY_V(_f, _s, _n, 0)
356 static bool slb_needed(void *opaque
)
358 PowerPCCPU
*cpu
= opaque
;
360 /* We don't support any of the old segment table based 64-bit CPUs */
361 return (cpu
->env
.mmu_model
& POWERPC_MMU_64
);
364 static int slb_post_load(void *opaque
, int version_id
)
366 PowerPCCPU
*cpu
= opaque
;
367 CPUPPCState
*env
= &cpu
->env
;
370 /* We've pulled in the raw esid and vsid values from the migration
371 * stream, but we need to recompute the page size pointers */
372 for (i
= 0; i
< env
->slb_nr
; i
++) {
373 if (ppc_store_slb(cpu
, i
, env
->slb
[i
].esid
, env
->slb
[i
].vsid
) < 0) {
374 /* Migration source had bad values in its SLB */
382 static const VMStateDescription vmstate_slb
= {
385 .minimum_version_id
= 1,
386 .needed
= slb_needed
,
387 .post_load
= slb_post_load
,
388 .fields
= (VMStateField
[]) {
389 VMSTATE_INT32_EQUAL(env
.slb_nr
, PowerPCCPU
),
390 VMSTATE_SLB_ARRAY(env
.slb
, PowerPCCPU
, MAX_SLB_ENTRIES
),
391 VMSTATE_END_OF_LIST()
394 #endif /* TARGET_PPC64 */
396 static const VMStateDescription vmstate_tlb6xx_entry
= {
397 .name
= "cpu/tlb6xx_entry",
399 .minimum_version_id
= 1,
400 .fields
= (VMStateField
[]) {
401 VMSTATE_UINTTL(pte0
, ppc6xx_tlb_t
),
402 VMSTATE_UINTTL(pte1
, ppc6xx_tlb_t
),
403 VMSTATE_UINTTL(EPN
, ppc6xx_tlb_t
),
404 VMSTATE_END_OF_LIST()
408 static bool tlb6xx_needed(void *opaque
)
410 PowerPCCPU
*cpu
= opaque
;
411 CPUPPCState
*env
= &cpu
->env
;
413 return env
->nb_tlb
&& (env
->tlb_type
== TLB_6XX
);
416 static const VMStateDescription vmstate_tlb6xx
= {
417 .name
= "cpu/tlb6xx",
419 .minimum_version_id
= 1,
420 .needed
= tlb6xx_needed
,
421 .fields
= (VMStateField
[]) {
422 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
423 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlb6
, PowerPCCPU
,
425 vmstate_tlb6xx_entry
,
427 VMSTATE_UINTTL_ARRAY(env
.tgpr
, PowerPCCPU
, 4),
428 VMSTATE_END_OF_LIST()
432 static const VMStateDescription vmstate_tlbemb_entry
= {
433 .name
= "cpu/tlbemb_entry",
435 .minimum_version_id
= 1,
436 .fields
= (VMStateField
[]) {
437 VMSTATE_UINT64(RPN
, ppcemb_tlb_t
),
438 VMSTATE_UINTTL(EPN
, ppcemb_tlb_t
),
439 VMSTATE_UINTTL(PID
, ppcemb_tlb_t
),
440 VMSTATE_UINTTL(size
, ppcemb_tlb_t
),
441 VMSTATE_UINT32(prot
, ppcemb_tlb_t
),
442 VMSTATE_UINT32(attr
, ppcemb_tlb_t
),
443 VMSTATE_END_OF_LIST()
447 static bool tlbemb_needed(void *opaque
)
449 PowerPCCPU
*cpu
= opaque
;
450 CPUPPCState
*env
= &cpu
->env
;
452 return env
->nb_tlb
&& (env
->tlb_type
== TLB_EMB
);
455 static bool pbr403_needed(void *opaque
)
457 PowerPCCPU
*cpu
= opaque
;
458 uint32_t pvr
= cpu
->env
.spr
[SPR_PVR
];
460 return (pvr
& 0xffff0000) == 0x00200000;
463 static const VMStateDescription vmstate_pbr403
= {
464 .name
= "cpu/pbr403",
466 .minimum_version_id
= 1,
467 .needed
= pbr403_needed
,
468 .fields
= (VMStateField
[]) {
469 VMSTATE_UINTTL_ARRAY(env
.pb
, PowerPCCPU
, 4),
470 VMSTATE_END_OF_LIST()
474 static const VMStateDescription vmstate_tlbemb
= {
475 .name
= "cpu/tlb6xx",
477 .minimum_version_id
= 1,
478 .needed
= tlbemb_needed
,
479 .fields
= (VMStateField
[]) {
480 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
481 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbe
, PowerPCCPU
,
483 vmstate_tlbemb_entry
,
485 /* 403 protection registers */
486 VMSTATE_END_OF_LIST()
488 .subsections
= (const VMStateDescription
*[]) {
494 static const VMStateDescription vmstate_tlbmas_entry
= {
495 .name
= "cpu/tlbmas_entry",
497 .minimum_version_id
= 1,
498 .fields
= (VMStateField
[]) {
499 VMSTATE_UINT32(mas8
, ppcmas_tlb_t
),
500 VMSTATE_UINT32(mas1
, ppcmas_tlb_t
),
501 VMSTATE_UINT64(mas2
, ppcmas_tlb_t
),
502 VMSTATE_UINT64(mas7_3
, ppcmas_tlb_t
),
503 VMSTATE_END_OF_LIST()
507 static bool tlbmas_needed(void *opaque
)
509 PowerPCCPU
*cpu
= opaque
;
510 CPUPPCState
*env
= &cpu
->env
;
512 return env
->nb_tlb
&& (env
->tlb_type
== TLB_MAS
);
515 static const VMStateDescription vmstate_tlbmas
= {
516 .name
= "cpu/tlbmas",
518 .minimum_version_id
= 1,
519 .needed
= tlbmas_needed
,
520 .fields
= (VMStateField
[]) {
521 VMSTATE_INT32_EQUAL(env
.nb_tlb
, PowerPCCPU
),
522 VMSTATE_STRUCT_VARRAY_POINTER_INT32(env
.tlb
.tlbm
, PowerPCCPU
,
524 vmstate_tlbmas_entry
,
526 VMSTATE_END_OF_LIST()
530 const VMStateDescription vmstate_ppc_cpu
= {
533 .minimum_version_id
= 5,
534 .minimum_version_id_old
= 4,
535 .load_state_old
= cpu_load_old
,
536 .pre_save
= cpu_pre_save
,
537 .post_load
= cpu_post_load
,
538 .fields
= (VMStateField
[]) {
539 VMSTATE_UNUSED(sizeof(target_ulong
)), /* was _EQUAL(env.spr[SPR_PVR]) */
541 /* User mode architected state */
542 VMSTATE_UINTTL_ARRAY(env
.gpr
, PowerPCCPU
, 32),
543 #if !defined(TARGET_PPC64)
544 VMSTATE_UINTTL_ARRAY(env
.gprh
, PowerPCCPU
, 32),
546 VMSTATE_UINT32_ARRAY(env
.crf
, PowerPCCPU
, 8),
547 VMSTATE_UINTTL(env
.nip
, PowerPCCPU
),
550 VMSTATE_UINTTL_ARRAY(env
.spr
, PowerPCCPU
, 1024),
551 VMSTATE_UINT64(env
.spe_acc
, PowerPCCPU
),
554 VMSTATE_UINTTL(env
.reserve_addr
, PowerPCCPU
),
556 /* Supervisor mode architected state */
557 VMSTATE_UINTTL(env
.msr
, PowerPCCPU
),
560 VMSTATE_UINTTL(env
.hflags_nmsr
, PowerPCCPU
),
561 /* FIXME: access_type? */
563 /* Sanity checking */
564 VMSTATE_UINTTL_EQUAL(env
.msr_mask
, PowerPCCPU
),
565 VMSTATE_UINT64_EQUAL(env
.insns_flags
, PowerPCCPU
),
566 VMSTATE_UINT64_EQUAL(env
.insns_flags2
, PowerPCCPU
),
567 VMSTATE_UINT32_EQUAL(env
.nb_BATs
, PowerPCCPU
),
568 VMSTATE_END_OF_LIST()
570 .subsections
= (const VMStateDescription
*[]) {
578 #endif /* TARGET_PPC64 */