block: Set BDRV_O_INCOMING in bdrv_fill_options()
[qemu.git] / target-i386 / machine.c
blob67373663d065d48197a2a6b1820fa26cb8b402f6
1 #include "hw/hw.h"
2 #include "hw/boards.h"
3 #include "hw/i386/pc.h"
4 #include "hw/isa/isa.h"
6 #include "cpu.h"
7 #include "sysemu/kvm.h"
9 static const VMStateDescription vmstate_segment = {
10 .name = "segment",
11 .version_id = 1,
12 .minimum_version_id = 1,
13 .fields = (VMStateField[]) {
14 VMSTATE_UINT32(selector, SegmentCache),
15 VMSTATE_UINTTL(base, SegmentCache),
16 VMSTATE_UINT32(limit, SegmentCache),
17 VMSTATE_UINT32(flags, SegmentCache),
18 VMSTATE_END_OF_LIST()
22 #define VMSTATE_SEGMENT(_field, _state) { \
23 .name = (stringify(_field)), \
24 .size = sizeof(SegmentCache), \
25 .vmsd = &vmstate_segment, \
26 .flags = VMS_STRUCT, \
27 .offset = offsetof(_state, _field) \
28 + type_check(SegmentCache,typeof_field(_state, _field)) \
31 #define VMSTATE_SEGMENT_ARRAY(_field, _state, _n) \
32 VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_segment, SegmentCache)
34 static const VMStateDescription vmstate_xmm_reg = {
35 .name = "xmm_reg",
36 .version_id = 1,
37 .minimum_version_id = 1,
38 .fields = (VMStateField[]) {
39 VMSTATE_UINT64(XMM_Q(0), XMMReg),
40 VMSTATE_UINT64(XMM_Q(1), XMMReg),
41 VMSTATE_END_OF_LIST()
45 #define VMSTATE_XMM_REGS(_field, _state, _start) \
46 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
47 vmstate_xmm_reg, XMMReg)
49 /* YMMH format is the same as XMM, but for bits 128-255 */
50 static const VMStateDescription vmstate_ymmh_reg = {
51 .name = "ymmh_reg",
52 .version_id = 1,
53 .minimum_version_id = 1,
54 .fields = (VMStateField[]) {
55 VMSTATE_UINT64(XMM_Q(2), XMMReg),
56 VMSTATE_UINT64(XMM_Q(3), XMMReg),
57 VMSTATE_END_OF_LIST()
61 #define VMSTATE_YMMH_REGS_VARS(_field, _state, _start, _v) \
62 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, _v, \
63 vmstate_ymmh_reg, XMMReg)
65 static const VMStateDescription vmstate_zmmh_reg = {
66 .name = "zmmh_reg",
67 .version_id = 1,
68 .minimum_version_id = 1,
69 .fields = (VMStateField[]) {
70 VMSTATE_UINT64(XMM_Q(4), XMMReg),
71 VMSTATE_UINT64(XMM_Q(5), XMMReg),
72 VMSTATE_UINT64(XMM_Q(6), XMMReg),
73 VMSTATE_UINT64(XMM_Q(7), XMMReg),
74 VMSTATE_END_OF_LIST()
78 #define VMSTATE_ZMMH_REGS_VARS(_field, _state, _start) \
79 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
80 vmstate_zmmh_reg, XMMReg)
82 #ifdef TARGET_X86_64
83 static const VMStateDescription vmstate_hi16_zmm_reg = {
84 .name = "hi16_zmm_reg",
85 .version_id = 1,
86 .minimum_version_id = 1,
87 .fields = (VMStateField[]) {
88 VMSTATE_UINT64(XMM_Q(0), XMMReg),
89 VMSTATE_UINT64(XMM_Q(1), XMMReg),
90 VMSTATE_UINT64(XMM_Q(2), XMMReg),
91 VMSTATE_UINT64(XMM_Q(3), XMMReg),
92 VMSTATE_UINT64(XMM_Q(4), XMMReg),
93 VMSTATE_UINT64(XMM_Q(5), XMMReg),
94 VMSTATE_UINT64(XMM_Q(6), XMMReg),
95 VMSTATE_UINT64(XMM_Q(7), XMMReg),
96 VMSTATE_END_OF_LIST()
100 #define VMSTATE_Hi16_ZMM_REGS_VARS(_field, _state, _start) \
101 VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
102 vmstate_hi16_zmm_reg, XMMReg)
103 #endif
105 static const VMStateDescription vmstate_bnd_regs = {
106 .name = "bnd_regs",
107 .version_id = 1,
108 .minimum_version_id = 1,
109 .fields = (VMStateField[]) {
110 VMSTATE_UINT64(lb, BNDReg),
111 VMSTATE_UINT64(ub, BNDReg),
112 VMSTATE_END_OF_LIST()
116 #define VMSTATE_BND_REGS(_field, _state, _n) \
117 VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_bnd_regs, BNDReg)
119 static const VMStateDescription vmstate_mtrr_var = {
120 .name = "mtrr_var",
121 .version_id = 1,
122 .minimum_version_id = 1,
123 .fields = (VMStateField[]) {
124 VMSTATE_UINT64(base, MTRRVar),
125 VMSTATE_UINT64(mask, MTRRVar),
126 VMSTATE_END_OF_LIST()
130 #define VMSTATE_MTRR_VARS(_field, _state, _n, _v) \
131 VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_mtrr_var, MTRRVar)
133 static void put_fpreg_error(QEMUFile *f, void *opaque, size_t size)
135 fprintf(stderr, "call put_fpreg() with invalid arguments\n");
136 exit(0);
139 /* XXX: add that in a FPU generic layer */
140 union x86_longdouble {
141 uint64_t mant;
142 uint16_t exp;
145 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
146 #define EXPBIAS1 1023
147 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
148 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
150 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
152 int e;
153 /* mantissa */
154 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
155 /* exponent + sign */
156 e = EXPD1(temp) - EXPBIAS1 + 16383;
157 e |= SIGND1(temp) >> 16;
158 p->exp = e;
161 static int get_fpreg(QEMUFile *f, void *opaque, size_t size)
163 FPReg *fp_reg = opaque;
164 uint64_t mant;
165 uint16_t exp;
167 qemu_get_be64s(f, &mant);
168 qemu_get_be16s(f, &exp);
169 fp_reg->d = cpu_set_fp80(mant, exp);
170 return 0;
173 static void put_fpreg(QEMUFile *f, void *opaque, size_t size)
175 FPReg *fp_reg = opaque;
176 uint64_t mant;
177 uint16_t exp;
178 /* we save the real CPU data (in case of MMX usage only 'mant'
179 contains the MMX register */
180 cpu_get_fp80(&mant, &exp, fp_reg->d);
181 qemu_put_be64s(f, &mant);
182 qemu_put_be16s(f, &exp);
185 static const VMStateInfo vmstate_fpreg = {
186 .name = "fpreg",
187 .get = get_fpreg,
188 .put = put_fpreg,
191 static int get_fpreg_1_mmx(QEMUFile *f, void *opaque, size_t size)
193 union x86_longdouble *p = opaque;
194 uint64_t mant;
196 qemu_get_be64s(f, &mant);
197 p->mant = mant;
198 p->exp = 0xffff;
199 return 0;
202 static const VMStateInfo vmstate_fpreg_1_mmx = {
203 .name = "fpreg_1_mmx",
204 .get = get_fpreg_1_mmx,
205 .put = put_fpreg_error,
208 static int get_fpreg_1_no_mmx(QEMUFile *f, void *opaque, size_t size)
210 union x86_longdouble *p = opaque;
211 uint64_t mant;
213 qemu_get_be64s(f, &mant);
214 fp64_to_fp80(p, mant);
215 return 0;
218 static const VMStateInfo vmstate_fpreg_1_no_mmx = {
219 .name = "fpreg_1_no_mmx",
220 .get = get_fpreg_1_no_mmx,
221 .put = put_fpreg_error,
224 static bool fpregs_is_0(void *opaque, int version_id)
226 X86CPU *cpu = opaque;
227 CPUX86State *env = &cpu->env;
229 return (env->fpregs_format_vmstate == 0);
232 static bool fpregs_is_1_mmx(void *opaque, int version_id)
234 X86CPU *cpu = opaque;
235 CPUX86State *env = &cpu->env;
236 int guess_mmx;
238 guess_mmx = ((env->fptag_vmstate == 0xff) &&
239 (env->fpus_vmstate & 0x3800) == 0);
240 return (guess_mmx && (env->fpregs_format_vmstate == 1));
243 static bool fpregs_is_1_no_mmx(void *opaque, int version_id)
245 X86CPU *cpu = opaque;
246 CPUX86State *env = &cpu->env;
247 int guess_mmx;
249 guess_mmx = ((env->fptag_vmstate == 0xff) &&
250 (env->fpus_vmstate & 0x3800) == 0);
251 return (!guess_mmx && (env->fpregs_format_vmstate == 1));
254 #define VMSTATE_FP_REGS(_field, _state, _n) \
255 VMSTATE_ARRAY_TEST(_field, _state, _n, fpregs_is_0, vmstate_fpreg, FPReg), \
256 VMSTATE_ARRAY_TEST(_field, _state, _n, fpregs_is_1_mmx, vmstate_fpreg_1_mmx, FPReg), \
257 VMSTATE_ARRAY_TEST(_field, _state, _n, fpregs_is_1_no_mmx, vmstate_fpreg_1_no_mmx, FPReg)
259 static bool version_is_5(void *opaque, int version_id)
261 return version_id == 5;
264 #ifdef TARGET_X86_64
265 static bool less_than_7(void *opaque, int version_id)
267 return version_id < 7;
270 static int get_uint64_as_uint32(QEMUFile *f, void *pv, size_t size)
272 uint64_t *v = pv;
273 *v = qemu_get_be32(f);
274 return 0;
277 static void put_uint64_as_uint32(QEMUFile *f, void *pv, size_t size)
279 uint64_t *v = pv;
280 qemu_put_be32(f, *v);
283 static const VMStateInfo vmstate_hack_uint64_as_uint32 = {
284 .name = "uint64_as_uint32",
285 .get = get_uint64_as_uint32,
286 .put = put_uint64_as_uint32,
289 #define VMSTATE_HACK_UINT32(_f, _s, _t) \
290 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_hack_uint64_as_uint32, uint64_t)
291 #endif
293 static void cpu_pre_save(void *opaque)
295 X86CPU *cpu = opaque;
296 CPUX86State *env = &cpu->env;
297 int i;
299 /* FPU */
300 env->fpus_vmstate = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
301 env->fptag_vmstate = 0;
302 for(i = 0; i < 8; i++) {
303 env->fptag_vmstate |= ((!env->fptags[i]) << i);
306 env->fpregs_format_vmstate = 0;
309 * Real mode guest segments register DPL should be zero.
310 * Older KVM version were setting it wrongly.
311 * Fixing it will allow live migration to host with unrestricted guest
312 * support (otherwise the migration will fail with invalid guest state
313 * error).
315 if (!(env->cr[0] & CR0_PE_MASK) &&
316 (env->segs[R_CS].flags >> DESC_DPL_SHIFT & 3) != 0) {
317 env->segs[R_CS].flags &= ~(env->segs[R_CS].flags & DESC_DPL_MASK);
318 env->segs[R_DS].flags &= ~(env->segs[R_DS].flags & DESC_DPL_MASK);
319 env->segs[R_ES].flags &= ~(env->segs[R_ES].flags & DESC_DPL_MASK);
320 env->segs[R_FS].flags &= ~(env->segs[R_FS].flags & DESC_DPL_MASK);
321 env->segs[R_GS].flags &= ~(env->segs[R_GS].flags & DESC_DPL_MASK);
322 env->segs[R_SS].flags &= ~(env->segs[R_SS].flags & DESC_DPL_MASK);
327 static int cpu_post_load(void *opaque, int version_id)
329 X86CPU *cpu = opaque;
330 CPUState *cs = CPU(cpu);
331 CPUX86State *env = &cpu->env;
332 int i;
335 * Real mode guest segments register DPL should be zero.
336 * Older KVM version were setting it wrongly.
337 * Fixing it will allow live migration from such host that don't have
338 * restricted guest support to a host with unrestricted guest support
339 * (otherwise the migration will fail with invalid guest state
340 * error).
342 if (!(env->cr[0] & CR0_PE_MASK) &&
343 (env->segs[R_CS].flags >> DESC_DPL_SHIFT & 3) != 0) {
344 env->segs[R_CS].flags &= ~(env->segs[R_CS].flags & DESC_DPL_MASK);
345 env->segs[R_DS].flags &= ~(env->segs[R_DS].flags & DESC_DPL_MASK);
346 env->segs[R_ES].flags &= ~(env->segs[R_ES].flags & DESC_DPL_MASK);
347 env->segs[R_FS].flags &= ~(env->segs[R_FS].flags & DESC_DPL_MASK);
348 env->segs[R_GS].flags &= ~(env->segs[R_GS].flags & DESC_DPL_MASK);
349 env->segs[R_SS].flags &= ~(env->segs[R_SS].flags & DESC_DPL_MASK);
352 /* Older versions of QEMU incorrectly used CS.DPL as the CPL when
353 * running under KVM. This is wrong for conforming code segments.
354 * Luckily, in our implementation the CPL field of hflags is redundant
355 * and we can get the right value from the SS descriptor privilege level.
357 env->hflags &= ~HF_CPL_MASK;
358 env->hflags |= (env->segs[R_SS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK;
360 env->fpstt = (env->fpus_vmstate >> 11) & 7;
361 env->fpus = env->fpus_vmstate & ~0x3800;
362 env->fptag_vmstate ^= 0xff;
363 for(i = 0; i < 8; i++) {
364 env->fptags[i] = (env->fptag_vmstate >> i) & 1;
366 update_fp_status(env);
368 cpu_breakpoint_remove_all(cs, BP_CPU);
369 cpu_watchpoint_remove_all(cs, BP_CPU);
370 for (i = 0; i < DR7_MAX_BP; i++) {
371 hw_breakpoint_insert(env, i);
373 tlb_flush(cs, 1);
375 if (tcg_enabled()) {
376 cpu_smm_update(cpu);
378 return 0;
381 static bool async_pf_msr_needed(void *opaque)
383 X86CPU *cpu = opaque;
385 return cpu->env.async_pf_en_msr != 0;
388 static bool pv_eoi_msr_needed(void *opaque)
390 X86CPU *cpu = opaque;
392 return cpu->env.pv_eoi_en_msr != 0;
395 static bool steal_time_msr_needed(void *opaque)
397 X86CPU *cpu = opaque;
399 return cpu->env.steal_time_msr != 0;
402 static const VMStateDescription vmstate_steal_time_msr = {
403 .name = "cpu/steal_time_msr",
404 .version_id = 1,
405 .minimum_version_id = 1,
406 .needed = steal_time_msr_needed,
407 .fields = (VMStateField[]) {
408 VMSTATE_UINT64(env.steal_time_msr, X86CPU),
409 VMSTATE_END_OF_LIST()
413 static const VMStateDescription vmstate_async_pf_msr = {
414 .name = "cpu/async_pf_msr",
415 .version_id = 1,
416 .minimum_version_id = 1,
417 .needed = async_pf_msr_needed,
418 .fields = (VMStateField[]) {
419 VMSTATE_UINT64(env.async_pf_en_msr, X86CPU),
420 VMSTATE_END_OF_LIST()
424 static const VMStateDescription vmstate_pv_eoi_msr = {
425 .name = "cpu/async_pv_eoi_msr",
426 .version_id = 1,
427 .minimum_version_id = 1,
428 .needed = pv_eoi_msr_needed,
429 .fields = (VMStateField[]) {
430 VMSTATE_UINT64(env.pv_eoi_en_msr, X86CPU),
431 VMSTATE_END_OF_LIST()
435 static bool fpop_ip_dp_needed(void *opaque)
437 X86CPU *cpu = opaque;
438 CPUX86State *env = &cpu->env;
440 return env->fpop != 0 || env->fpip != 0 || env->fpdp != 0;
443 static const VMStateDescription vmstate_fpop_ip_dp = {
444 .name = "cpu/fpop_ip_dp",
445 .version_id = 1,
446 .minimum_version_id = 1,
447 .needed = fpop_ip_dp_needed,
448 .fields = (VMStateField[]) {
449 VMSTATE_UINT16(env.fpop, X86CPU),
450 VMSTATE_UINT64(env.fpip, X86CPU),
451 VMSTATE_UINT64(env.fpdp, X86CPU),
452 VMSTATE_END_OF_LIST()
456 static bool tsc_adjust_needed(void *opaque)
458 X86CPU *cpu = opaque;
459 CPUX86State *env = &cpu->env;
461 return env->tsc_adjust != 0;
464 static const VMStateDescription vmstate_msr_tsc_adjust = {
465 .name = "cpu/msr_tsc_adjust",
466 .version_id = 1,
467 .minimum_version_id = 1,
468 .needed = tsc_adjust_needed,
469 .fields = (VMStateField[]) {
470 VMSTATE_UINT64(env.tsc_adjust, X86CPU),
471 VMSTATE_END_OF_LIST()
475 static bool tscdeadline_needed(void *opaque)
477 X86CPU *cpu = opaque;
478 CPUX86State *env = &cpu->env;
480 return env->tsc_deadline != 0;
483 static const VMStateDescription vmstate_msr_tscdeadline = {
484 .name = "cpu/msr_tscdeadline",
485 .version_id = 1,
486 .minimum_version_id = 1,
487 .needed = tscdeadline_needed,
488 .fields = (VMStateField[]) {
489 VMSTATE_UINT64(env.tsc_deadline, X86CPU),
490 VMSTATE_END_OF_LIST()
494 static bool misc_enable_needed(void *opaque)
496 X86CPU *cpu = opaque;
497 CPUX86State *env = &cpu->env;
499 return env->msr_ia32_misc_enable != MSR_IA32_MISC_ENABLE_DEFAULT;
502 static bool feature_control_needed(void *opaque)
504 X86CPU *cpu = opaque;
505 CPUX86State *env = &cpu->env;
507 return env->msr_ia32_feature_control != 0;
510 static const VMStateDescription vmstate_msr_ia32_misc_enable = {
511 .name = "cpu/msr_ia32_misc_enable",
512 .version_id = 1,
513 .minimum_version_id = 1,
514 .needed = misc_enable_needed,
515 .fields = (VMStateField[]) {
516 VMSTATE_UINT64(env.msr_ia32_misc_enable, X86CPU),
517 VMSTATE_END_OF_LIST()
521 static const VMStateDescription vmstate_msr_ia32_feature_control = {
522 .name = "cpu/msr_ia32_feature_control",
523 .version_id = 1,
524 .minimum_version_id = 1,
525 .needed = feature_control_needed,
526 .fields = (VMStateField[]) {
527 VMSTATE_UINT64(env.msr_ia32_feature_control, X86CPU),
528 VMSTATE_END_OF_LIST()
532 static bool pmu_enable_needed(void *opaque)
534 X86CPU *cpu = opaque;
535 CPUX86State *env = &cpu->env;
536 int i;
538 if (env->msr_fixed_ctr_ctrl || env->msr_global_ctrl ||
539 env->msr_global_status || env->msr_global_ovf_ctrl) {
540 return true;
542 for (i = 0; i < MAX_FIXED_COUNTERS; i++) {
543 if (env->msr_fixed_counters[i]) {
544 return true;
547 for (i = 0; i < MAX_GP_COUNTERS; i++) {
548 if (env->msr_gp_counters[i] || env->msr_gp_evtsel[i]) {
549 return true;
553 return false;
556 static const VMStateDescription vmstate_msr_architectural_pmu = {
557 .name = "cpu/msr_architectural_pmu",
558 .version_id = 1,
559 .minimum_version_id = 1,
560 .needed = pmu_enable_needed,
561 .fields = (VMStateField[]) {
562 VMSTATE_UINT64(env.msr_fixed_ctr_ctrl, X86CPU),
563 VMSTATE_UINT64(env.msr_global_ctrl, X86CPU),
564 VMSTATE_UINT64(env.msr_global_status, X86CPU),
565 VMSTATE_UINT64(env.msr_global_ovf_ctrl, X86CPU),
566 VMSTATE_UINT64_ARRAY(env.msr_fixed_counters, X86CPU, MAX_FIXED_COUNTERS),
567 VMSTATE_UINT64_ARRAY(env.msr_gp_counters, X86CPU, MAX_GP_COUNTERS),
568 VMSTATE_UINT64_ARRAY(env.msr_gp_evtsel, X86CPU, MAX_GP_COUNTERS),
569 VMSTATE_END_OF_LIST()
573 static bool mpx_needed(void *opaque)
575 X86CPU *cpu = opaque;
576 CPUX86State *env = &cpu->env;
577 unsigned int i;
579 for (i = 0; i < 4; i++) {
580 if (env->bnd_regs[i].lb || env->bnd_regs[i].ub) {
581 return true;
585 if (env->bndcs_regs.cfgu || env->bndcs_regs.sts) {
586 return true;
589 return !!env->msr_bndcfgs;
592 static const VMStateDescription vmstate_mpx = {
593 .name = "cpu/mpx",
594 .version_id = 1,
595 .minimum_version_id = 1,
596 .needed = mpx_needed,
597 .fields = (VMStateField[]) {
598 VMSTATE_BND_REGS(env.bnd_regs, X86CPU, 4),
599 VMSTATE_UINT64(env.bndcs_regs.cfgu, X86CPU),
600 VMSTATE_UINT64(env.bndcs_regs.sts, X86CPU),
601 VMSTATE_UINT64(env.msr_bndcfgs, X86CPU),
602 VMSTATE_END_OF_LIST()
606 static bool hyperv_hypercall_enable_needed(void *opaque)
608 X86CPU *cpu = opaque;
609 CPUX86State *env = &cpu->env;
611 return env->msr_hv_hypercall != 0 || env->msr_hv_guest_os_id != 0;
614 static const VMStateDescription vmstate_msr_hypercall_hypercall = {
615 .name = "cpu/msr_hyperv_hypercall",
616 .version_id = 1,
617 .minimum_version_id = 1,
618 .needed = hyperv_hypercall_enable_needed,
619 .fields = (VMStateField[]) {
620 VMSTATE_UINT64(env.msr_hv_guest_os_id, X86CPU),
621 VMSTATE_UINT64(env.msr_hv_hypercall, X86CPU),
622 VMSTATE_END_OF_LIST()
626 static bool hyperv_vapic_enable_needed(void *opaque)
628 X86CPU *cpu = opaque;
629 CPUX86State *env = &cpu->env;
631 return env->msr_hv_vapic != 0;
634 static const VMStateDescription vmstate_msr_hyperv_vapic = {
635 .name = "cpu/msr_hyperv_vapic",
636 .version_id = 1,
637 .minimum_version_id = 1,
638 .needed = hyperv_vapic_enable_needed,
639 .fields = (VMStateField[]) {
640 VMSTATE_UINT64(env.msr_hv_vapic, X86CPU),
641 VMSTATE_END_OF_LIST()
645 static bool hyperv_time_enable_needed(void *opaque)
647 X86CPU *cpu = opaque;
648 CPUX86State *env = &cpu->env;
650 return env->msr_hv_tsc != 0;
653 static const VMStateDescription vmstate_msr_hyperv_time = {
654 .name = "cpu/msr_hyperv_time",
655 .version_id = 1,
656 .minimum_version_id = 1,
657 .needed = hyperv_time_enable_needed,
658 .fields = (VMStateField[]) {
659 VMSTATE_UINT64(env.msr_hv_tsc, X86CPU),
660 VMSTATE_END_OF_LIST()
664 static bool hyperv_crash_enable_needed(void *opaque)
666 X86CPU *cpu = opaque;
667 CPUX86State *env = &cpu->env;
668 int i;
670 for (i = 0; i < HV_X64_MSR_CRASH_PARAMS; i++) {
671 if (env->msr_hv_crash_params[i]) {
672 return true;
675 return false;
678 static const VMStateDescription vmstate_msr_hyperv_crash = {
679 .name = "cpu/msr_hyperv_crash",
680 .version_id = 1,
681 .minimum_version_id = 1,
682 .needed = hyperv_crash_enable_needed,
683 .fields = (VMStateField[]) {
684 VMSTATE_UINT64_ARRAY(env.msr_hv_crash_params,
685 X86CPU, HV_X64_MSR_CRASH_PARAMS),
686 VMSTATE_END_OF_LIST()
690 static bool hyperv_runtime_enable_needed(void *opaque)
692 X86CPU *cpu = opaque;
693 CPUX86State *env = &cpu->env;
695 return env->msr_hv_runtime != 0;
698 static const VMStateDescription vmstate_msr_hyperv_runtime = {
699 .name = "cpu/msr_hyperv_runtime",
700 .version_id = 1,
701 .minimum_version_id = 1,
702 .needed = hyperv_runtime_enable_needed,
703 .fields = (VMStateField[]) {
704 VMSTATE_UINT64(env.msr_hv_runtime, X86CPU),
705 VMSTATE_END_OF_LIST()
709 static bool avx512_needed(void *opaque)
711 X86CPU *cpu = opaque;
712 CPUX86State *env = &cpu->env;
713 unsigned int i;
715 for (i = 0; i < NB_OPMASK_REGS; i++) {
716 if (env->opmask_regs[i]) {
717 return true;
721 for (i = 0; i < CPU_NB_REGS; i++) {
722 #define ENV_XMM(reg, field) (env->xmm_regs[reg].XMM_Q(field))
723 if (ENV_XMM(i, 4) || ENV_XMM(i, 6) ||
724 ENV_XMM(i, 5) || ENV_XMM(i, 7)) {
725 return true;
727 #ifdef TARGET_X86_64
728 if (ENV_XMM(i+16, 0) || ENV_XMM(i+16, 1) ||
729 ENV_XMM(i+16, 2) || ENV_XMM(i+16, 3) ||
730 ENV_XMM(i+16, 4) || ENV_XMM(i+16, 5) ||
731 ENV_XMM(i+16, 6) || ENV_XMM(i+16, 7)) {
732 return true;
734 #endif
737 return false;
740 static const VMStateDescription vmstate_avx512 = {
741 .name = "cpu/avx512",
742 .version_id = 1,
743 .minimum_version_id = 1,
744 .needed = avx512_needed,
745 .fields = (VMStateField[]) {
746 VMSTATE_UINT64_ARRAY(env.opmask_regs, X86CPU, NB_OPMASK_REGS),
747 VMSTATE_ZMMH_REGS_VARS(env.xmm_regs, X86CPU, 0),
748 #ifdef TARGET_X86_64
749 VMSTATE_Hi16_ZMM_REGS_VARS(env.xmm_regs, X86CPU, 16),
750 #endif
751 VMSTATE_END_OF_LIST()
755 static bool xss_needed(void *opaque)
757 X86CPU *cpu = opaque;
758 CPUX86State *env = &cpu->env;
760 return env->xss != 0;
763 static const VMStateDescription vmstate_xss = {
764 .name = "cpu/xss",
765 .version_id = 1,
766 .minimum_version_id = 1,
767 .needed = xss_needed,
768 .fields = (VMStateField[]) {
769 VMSTATE_UINT64(env.xss, X86CPU),
770 VMSTATE_END_OF_LIST()
774 VMStateDescription vmstate_x86_cpu = {
775 .name = "cpu",
776 .version_id = 12,
777 .minimum_version_id = 3,
778 .pre_save = cpu_pre_save,
779 .post_load = cpu_post_load,
780 .fields = (VMStateField[]) {
781 VMSTATE_UINTTL_ARRAY(env.regs, X86CPU, CPU_NB_REGS),
782 VMSTATE_UINTTL(env.eip, X86CPU),
783 VMSTATE_UINTTL(env.eflags, X86CPU),
784 VMSTATE_UINT32(env.hflags, X86CPU),
785 /* FPU */
786 VMSTATE_UINT16(env.fpuc, X86CPU),
787 VMSTATE_UINT16(env.fpus_vmstate, X86CPU),
788 VMSTATE_UINT16(env.fptag_vmstate, X86CPU),
789 VMSTATE_UINT16(env.fpregs_format_vmstate, X86CPU),
790 VMSTATE_FP_REGS(env.fpregs, X86CPU, 8),
792 VMSTATE_SEGMENT_ARRAY(env.segs, X86CPU, 6),
793 VMSTATE_SEGMENT(env.ldt, X86CPU),
794 VMSTATE_SEGMENT(env.tr, X86CPU),
795 VMSTATE_SEGMENT(env.gdt, X86CPU),
796 VMSTATE_SEGMENT(env.idt, X86CPU),
798 VMSTATE_UINT32(env.sysenter_cs, X86CPU),
799 #ifdef TARGET_X86_64
800 /* Hack: In v7 size changed from 32 to 64 bits on x86_64 */
801 VMSTATE_HACK_UINT32(env.sysenter_esp, X86CPU, less_than_7),
802 VMSTATE_HACK_UINT32(env.sysenter_eip, X86CPU, less_than_7),
803 VMSTATE_UINTTL_V(env.sysenter_esp, X86CPU, 7),
804 VMSTATE_UINTTL_V(env.sysenter_eip, X86CPU, 7),
805 #else
806 VMSTATE_UINTTL(env.sysenter_esp, X86CPU),
807 VMSTATE_UINTTL(env.sysenter_eip, X86CPU),
808 #endif
810 VMSTATE_UINTTL(env.cr[0], X86CPU),
811 VMSTATE_UINTTL(env.cr[2], X86CPU),
812 VMSTATE_UINTTL(env.cr[3], X86CPU),
813 VMSTATE_UINTTL(env.cr[4], X86CPU),
814 VMSTATE_UINTTL_ARRAY(env.dr, X86CPU, 8),
815 /* MMU */
816 VMSTATE_INT32(env.a20_mask, X86CPU),
817 /* XMM */
818 VMSTATE_UINT32(env.mxcsr, X86CPU),
819 VMSTATE_XMM_REGS(env.xmm_regs, X86CPU, 0),
821 #ifdef TARGET_X86_64
822 VMSTATE_UINT64(env.efer, X86CPU),
823 VMSTATE_UINT64(env.star, X86CPU),
824 VMSTATE_UINT64(env.lstar, X86CPU),
825 VMSTATE_UINT64(env.cstar, X86CPU),
826 VMSTATE_UINT64(env.fmask, X86CPU),
827 VMSTATE_UINT64(env.kernelgsbase, X86CPU),
828 #endif
829 VMSTATE_UINT32_V(env.smbase, X86CPU, 4),
831 VMSTATE_UINT64_V(env.pat, X86CPU, 5),
832 VMSTATE_UINT32_V(env.hflags2, X86CPU, 5),
834 VMSTATE_UINT32_TEST(parent_obj.halted, X86CPU, version_is_5),
835 VMSTATE_UINT64_V(env.vm_hsave, X86CPU, 5),
836 VMSTATE_UINT64_V(env.vm_vmcb, X86CPU, 5),
837 VMSTATE_UINT64_V(env.tsc_offset, X86CPU, 5),
838 VMSTATE_UINT64_V(env.intercept, X86CPU, 5),
839 VMSTATE_UINT16_V(env.intercept_cr_read, X86CPU, 5),
840 VMSTATE_UINT16_V(env.intercept_cr_write, X86CPU, 5),
841 VMSTATE_UINT16_V(env.intercept_dr_read, X86CPU, 5),
842 VMSTATE_UINT16_V(env.intercept_dr_write, X86CPU, 5),
843 VMSTATE_UINT32_V(env.intercept_exceptions, X86CPU, 5),
844 VMSTATE_UINT8_V(env.v_tpr, X86CPU, 5),
845 /* MTRRs */
846 VMSTATE_UINT64_ARRAY_V(env.mtrr_fixed, X86CPU, 11, 8),
847 VMSTATE_UINT64_V(env.mtrr_deftype, X86CPU, 8),
848 VMSTATE_MTRR_VARS(env.mtrr_var, X86CPU, MSR_MTRRcap_VCNT, 8),
849 /* KVM-related states */
850 VMSTATE_INT32_V(env.interrupt_injected, X86CPU, 9),
851 VMSTATE_UINT32_V(env.mp_state, X86CPU, 9),
852 VMSTATE_UINT64_V(env.tsc, X86CPU, 9),
853 VMSTATE_INT32_V(env.exception_injected, X86CPU, 11),
854 VMSTATE_UINT8_V(env.soft_interrupt, X86CPU, 11),
855 VMSTATE_UINT8_V(env.nmi_injected, X86CPU, 11),
856 VMSTATE_UINT8_V(env.nmi_pending, X86CPU, 11),
857 VMSTATE_UINT8_V(env.has_error_code, X86CPU, 11),
858 VMSTATE_UINT32_V(env.sipi_vector, X86CPU, 11),
859 /* MCE */
860 VMSTATE_UINT64_V(env.mcg_cap, X86CPU, 10),
861 VMSTATE_UINT64_V(env.mcg_status, X86CPU, 10),
862 VMSTATE_UINT64_V(env.mcg_ctl, X86CPU, 10),
863 VMSTATE_UINT64_ARRAY_V(env.mce_banks, X86CPU, MCE_BANKS_DEF * 4, 10),
864 /* rdtscp */
865 VMSTATE_UINT64_V(env.tsc_aux, X86CPU, 11),
866 /* KVM pvclock msr */
867 VMSTATE_UINT64_V(env.system_time_msr, X86CPU, 11),
868 VMSTATE_UINT64_V(env.wall_clock_msr, X86CPU, 11),
869 /* XSAVE related fields */
870 VMSTATE_UINT64_V(env.xcr0, X86CPU, 12),
871 VMSTATE_UINT64_V(env.xstate_bv, X86CPU, 12),
872 VMSTATE_YMMH_REGS_VARS(env.xmm_regs, X86CPU, 0, 12),
873 VMSTATE_END_OF_LIST()
874 /* The above list is not sorted /wrt version numbers, watch out! */
876 .subsections = (const VMStateDescription*[]) {
877 &vmstate_async_pf_msr,
878 &vmstate_pv_eoi_msr,
879 &vmstate_steal_time_msr,
880 &vmstate_fpop_ip_dp,
881 &vmstate_msr_tsc_adjust,
882 &vmstate_msr_tscdeadline,
883 &vmstate_msr_ia32_misc_enable,
884 &vmstate_msr_ia32_feature_control,
885 &vmstate_msr_architectural_pmu,
886 &vmstate_mpx,
887 &vmstate_msr_hypercall_hypercall,
888 &vmstate_msr_hyperv_vapic,
889 &vmstate_msr_hyperv_time,
890 &vmstate_msr_hyperv_crash,
891 &vmstate_msr_hyperv_runtime,
892 &vmstate_avx512,
893 &vmstate_xss,
894 NULL