|  | #include "hw/hw.h" | 
|  | #include "hw/boards.h" | 
|  | #include "hw/i386/pc.h" | 
|  | #include "hw/isa/isa.h" | 
|  |  | 
|  | #include "cpu.h" | 
|  | #include "sysemu/kvm.h" | 
|  |  | 
|  | static const VMStateDescription vmstate_segment = { | 
|  | .name = "segment", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT32(selector, SegmentCache), | 
|  | VMSTATE_UINTTL(base, SegmentCache), | 
|  | VMSTATE_UINT32(limit, SegmentCache), | 
|  | VMSTATE_UINT32(flags, SegmentCache), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_SEGMENT(_field, _state) {                            \ | 
|  | .name       = (stringify(_field)),                               \ | 
|  | .size       = sizeof(SegmentCache),                              \ | 
|  | .vmsd       = &vmstate_segment,                                  \ | 
|  | .flags      = VMS_STRUCT,                                        \ | 
|  | .offset     = offsetof(_state, _field)                           \ | 
|  | + type_check(SegmentCache,typeof_field(_state, _field))  \ | 
|  | } | 
|  |  | 
|  | #define VMSTATE_SEGMENT_ARRAY(_field, _state, _n)                    \ | 
|  | VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_segment, SegmentCache) | 
|  |  | 
|  | static const VMStateDescription vmstate_xmm_reg = { | 
|  | .name = "xmm_reg", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(XMM_Q(0), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(1), XMMReg), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_XMM_REGS(_field, _state, _start)                         \ | 
|  | VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0,     \ | 
|  | vmstate_xmm_reg, XMMReg) | 
|  |  | 
|  | /* YMMH format is the same as XMM, but for bits 128-255 */ | 
|  | static const VMStateDescription vmstate_ymmh_reg = { | 
|  | .name = "ymmh_reg", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(XMM_Q(2), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(3), XMMReg), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_YMMH_REGS_VARS(_field, _state, _start, _v)               \ | 
|  | VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, _v,    \ | 
|  | vmstate_ymmh_reg, XMMReg) | 
|  |  | 
|  | static const VMStateDescription vmstate_zmmh_reg = { | 
|  | .name = "zmmh_reg", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(XMM_Q(4), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(5), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(6), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(7), XMMReg), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_ZMMH_REGS_VARS(_field, _state, _start)                   \ | 
|  | VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0,     \ | 
|  | vmstate_zmmh_reg, XMMReg) | 
|  |  | 
|  | #ifdef TARGET_X86_64 | 
|  | static const VMStateDescription vmstate_hi16_zmm_reg = { | 
|  | .name = "hi16_zmm_reg", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(XMM_Q(0), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(1), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(2), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(3), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(4), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(5), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(6), XMMReg), | 
|  | VMSTATE_UINT64(XMM_Q(7), XMMReg), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_Hi16_ZMM_REGS_VARS(_field, _state, _start)               \ | 
|  | VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0,     \ | 
|  | vmstate_hi16_zmm_reg, XMMReg) | 
|  | #endif | 
|  |  | 
|  | static const VMStateDescription vmstate_bnd_regs = { | 
|  | .name = "bnd_regs", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(lb, BNDReg), | 
|  | VMSTATE_UINT64(ub, BNDReg), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_BND_REGS(_field, _state, _n)          \ | 
|  | VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_bnd_regs, BNDReg) | 
|  |  | 
|  | static const VMStateDescription vmstate_mtrr_var = { | 
|  | .name = "mtrr_var", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(base, MTRRVar), | 
|  | VMSTATE_UINT64(mask, MTRRVar), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_MTRR_VARS(_field, _state, _n, _v)                    \ | 
|  | VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_mtrr_var, MTRRVar) | 
|  |  | 
|  | static void put_fpreg_error(QEMUFile *f, void *opaque, size_t size) | 
|  | { | 
|  | fprintf(stderr, "call put_fpreg() with invalid arguments\n"); | 
|  | exit(0); | 
|  | } | 
|  |  | 
|  | /* XXX: add that in a FPU generic layer */ | 
|  | union x86_longdouble { | 
|  | uint64_t mant; | 
|  | uint16_t exp; | 
|  | }; | 
|  |  | 
|  | #define MANTD1(fp)	(fp & ((1LL << 52) - 1)) | 
|  | #define EXPBIAS1 1023 | 
|  | #define EXPD1(fp)	((fp >> 52) & 0x7FF) | 
|  | #define SIGND1(fp)	((fp >> 32) & 0x80000000) | 
|  |  | 
|  | static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) | 
|  | { | 
|  | int e; | 
|  | /* mantissa */ | 
|  | p->mant = (MANTD1(temp) << 11) | (1LL << 63); | 
|  | /* exponent + sign */ | 
|  | e = EXPD1(temp) - EXPBIAS1 + 16383; | 
|  | e |= SIGND1(temp) >> 16; | 
|  | p->exp = e; | 
|  | } | 
|  |  | 
|  | static int get_fpreg(QEMUFile *f, void *opaque, size_t size) | 
|  | { | 
|  | FPReg *fp_reg = opaque; | 
|  | uint64_t mant; | 
|  | uint16_t exp; | 
|  |  | 
|  | qemu_get_be64s(f, &mant); | 
|  | qemu_get_be16s(f, &exp); | 
|  | fp_reg->d = cpu_set_fp80(mant, exp); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void put_fpreg(QEMUFile *f, void *opaque, size_t size) | 
|  | { | 
|  | FPReg *fp_reg = opaque; | 
|  | uint64_t mant; | 
|  | uint16_t exp; | 
|  | /* we save the real CPU data (in case of MMX usage only 'mant' | 
|  | contains the MMX register */ | 
|  | cpu_get_fp80(&mant, &exp, fp_reg->d); | 
|  | qemu_put_be64s(f, &mant); | 
|  | qemu_put_be16s(f, &exp); | 
|  | } | 
|  |  | 
|  | static const VMStateInfo vmstate_fpreg = { | 
|  | .name = "fpreg", | 
|  | .get  = get_fpreg, | 
|  | .put  = put_fpreg, | 
|  | }; | 
|  |  | 
|  | static int get_fpreg_1_mmx(QEMUFile *f, void *opaque, size_t size) | 
|  | { | 
|  | union x86_longdouble *p = opaque; | 
|  | uint64_t mant; | 
|  |  | 
|  | qemu_get_be64s(f, &mant); | 
|  | p->mant = mant; | 
|  | p->exp = 0xffff; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const VMStateInfo vmstate_fpreg_1_mmx = { | 
|  | .name = "fpreg_1_mmx", | 
|  | .get  = get_fpreg_1_mmx, | 
|  | .put  = put_fpreg_error, | 
|  | }; | 
|  |  | 
|  | static int get_fpreg_1_no_mmx(QEMUFile *f, void *opaque, size_t size) | 
|  | { | 
|  | union x86_longdouble *p = opaque; | 
|  | uint64_t mant; | 
|  |  | 
|  | qemu_get_be64s(f, &mant); | 
|  | fp64_to_fp80(p, mant); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const VMStateInfo vmstate_fpreg_1_no_mmx = { | 
|  | .name = "fpreg_1_no_mmx", | 
|  | .get  = get_fpreg_1_no_mmx, | 
|  | .put  = put_fpreg_error, | 
|  | }; | 
|  |  | 
|  | static bool fpregs_is_0(void *opaque, int version_id) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return (env->fpregs_format_vmstate == 0); | 
|  | } | 
|  |  | 
|  | static bool fpregs_is_1_mmx(void *opaque, int version_id) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  | int guess_mmx; | 
|  |  | 
|  | guess_mmx = ((env->fptag_vmstate == 0xff) && | 
|  | (env->fpus_vmstate & 0x3800) == 0); | 
|  | return (guess_mmx && (env->fpregs_format_vmstate == 1)); | 
|  | } | 
|  |  | 
|  | static bool fpregs_is_1_no_mmx(void *opaque, int version_id) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  | int guess_mmx; | 
|  |  | 
|  | guess_mmx = ((env->fptag_vmstate == 0xff) && | 
|  | (env->fpus_vmstate & 0x3800) == 0); | 
|  | return (!guess_mmx && (env->fpregs_format_vmstate == 1)); | 
|  | } | 
|  |  | 
|  | #define VMSTATE_FP_REGS(_field, _state, _n)                               \ | 
|  | VMSTATE_ARRAY_TEST(_field, _state, _n, fpregs_is_0, vmstate_fpreg, FPReg), \ | 
|  | VMSTATE_ARRAY_TEST(_field, _state, _n, fpregs_is_1_mmx, vmstate_fpreg_1_mmx, FPReg), \ | 
|  | VMSTATE_ARRAY_TEST(_field, _state, _n, fpregs_is_1_no_mmx, vmstate_fpreg_1_no_mmx, FPReg) | 
|  |  | 
|  | static bool version_is_5(void *opaque, int version_id) | 
|  | { | 
|  | return version_id == 5; | 
|  | } | 
|  |  | 
|  | #ifdef TARGET_X86_64 | 
|  | static bool less_than_7(void *opaque, int version_id) | 
|  | { | 
|  | return version_id < 7; | 
|  | } | 
|  |  | 
|  | static int get_uint64_as_uint32(QEMUFile *f, void *pv, size_t size) | 
|  | { | 
|  | uint64_t *v = pv; | 
|  | *v = qemu_get_be32(f); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void put_uint64_as_uint32(QEMUFile *f, void *pv, size_t size) | 
|  | { | 
|  | uint64_t *v = pv; | 
|  | qemu_put_be32(f, *v); | 
|  | } | 
|  |  | 
|  | static const VMStateInfo vmstate_hack_uint64_as_uint32 = { | 
|  | .name = "uint64_as_uint32", | 
|  | .get  = get_uint64_as_uint32, | 
|  | .put  = put_uint64_as_uint32, | 
|  | }; | 
|  |  | 
|  | #define VMSTATE_HACK_UINT32(_f, _s, _t)                                  \ | 
|  | VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_hack_uint64_as_uint32, uint64_t) | 
|  | #endif | 
|  |  | 
|  | static void cpu_pre_save(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  | int i; | 
|  |  | 
|  | /* FPU */ | 
|  | env->fpus_vmstate = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | 
|  | env->fptag_vmstate = 0; | 
|  | for(i = 0; i < 8; i++) { | 
|  | env->fptag_vmstate |= ((!env->fptags[i]) << i); | 
|  | } | 
|  |  | 
|  | env->fpregs_format_vmstate = 0; | 
|  |  | 
|  | /* | 
|  | * Real mode guest segments register DPL should be zero. | 
|  | * Older KVM version were setting it wrongly. | 
|  | * Fixing it will allow live migration to host with unrestricted guest | 
|  | * support (otherwise the migration will fail with invalid guest state | 
|  | * error). | 
|  | */ | 
|  | if (!(env->cr[0] & CR0_PE_MASK) && | 
|  | (env->segs[R_CS].flags >> DESC_DPL_SHIFT & 3) != 0) { | 
|  | env->segs[R_CS].flags &= ~(env->segs[R_CS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_DS].flags &= ~(env->segs[R_DS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_ES].flags &= ~(env->segs[R_ES].flags & DESC_DPL_MASK); | 
|  | env->segs[R_FS].flags &= ~(env->segs[R_FS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_GS].flags &= ~(env->segs[R_GS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_SS].flags &= ~(env->segs[R_SS].flags & DESC_DPL_MASK); | 
|  | } | 
|  |  | 
|  | } | 
|  |  | 
|  | static int cpu_post_load(void *opaque, int version_id) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUState *cs = CPU(cpu); | 
|  | CPUX86State *env = &cpu->env; | 
|  | int i; | 
|  |  | 
|  | /* | 
|  | * Real mode guest segments register DPL should be zero. | 
|  | * Older KVM version were setting it wrongly. | 
|  | * Fixing it will allow live migration from such host that don't have | 
|  | * restricted guest support to a host with unrestricted guest support | 
|  | * (otherwise the migration will fail with invalid guest state | 
|  | * error). | 
|  | */ | 
|  | if (!(env->cr[0] & CR0_PE_MASK) && | 
|  | (env->segs[R_CS].flags >> DESC_DPL_SHIFT & 3) != 0) { | 
|  | env->segs[R_CS].flags &= ~(env->segs[R_CS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_DS].flags &= ~(env->segs[R_DS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_ES].flags &= ~(env->segs[R_ES].flags & DESC_DPL_MASK); | 
|  | env->segs[R_FS].flags &= ~(env->segs[R_FS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_GS].flags &= ~(env->segs[R_GS].flags & DESC_DPL_MASK); | 
|  | env->segs[R_SS].flags &= ~(env->segs[R_SS].flags & DESC_DPL_MASK); | 
|  | } | 
|  |  | 
|  | /* Older versions of QEMU incorrectly used CS.DPL as the CPL when | 
|  | * running under KVM.  This is wrong for conforming code segments. | 
|  | * Luckily, in our implementation the CPL field of hflags is redundant | 
|  | * and we can get the right value from the SS descriptor privilege level. | 
|  | */ | 
|  | env->hflags &= ~HF_CPL_MASK; | 
|  | env->hflags |= (env->segs[R_SS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK; | 
|  |  | 
|  | env->fpstt = (env->fpus_vmstate >> 11) & 7; | 
|  | env->fpus = env->fpus_vmstate & ~0x3800; | 
|  | env->fptag_vmstate ^= 0xff; | 
|  | for(i = 0; i < 8; i++) { | 
|  | env->fptags[i] = (env->fptag_vmstate >> i) & 1; | 
|  | } | 
|  | update_fp_status(env); | 
|  |  | 
|  | cpu_breakpoint_remove_all(cs, BP_CPU); | 
|  | cpu_watchpoint_remove_all(cs, BP_CPU); | 
|  | for (i = 0; i < DR7_MAX_BP; i++) { | 
|  | hw_breakpoint_insert(env, i); | 
|  | } | 
|  | tlb_flush(cs, 1); | 
|  |  | 
|  | if (tcg_enabled()) { | 
|  | cpu_smm_update(cpu); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static bool async_pf_msr_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  |  | 
|  | return cpu->env.async_pf_en_msr != 0; | 
|  | } | 
|  |  | 
|  | static bool pv_eoi_msr_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  |  | 
|  | return cpu->env.pv_eoi_en_msr != 0; | 
|  | } | 
|  |  | 
|  | static bool steal_time_msr_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  |  | 
|  | return cpu->env.steal_time_msr != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_steal_time_msr = { | 
|  | .name = "cpu/steal_time_msr", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = steal_time_msr_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.steal_time_msr, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static const VMStateDescription vmstate_async_pf_msr = { | 
|  | .name = "cpu/async_pf_msr", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = async_pf_msr_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.async_pf_en_msr, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static const VMStateDescription vmstate_pv_eoi_msr = { | 
|  | .name = "cpu/async_pv_eoi_msr", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = pv_eoi_msr_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.pv_eoi_en_msr, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool fpop_ip_dp_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->fpop != 0 || env->fpip != 0 || env->fpdp != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_fpop_ip_dp = { | 
|  | .name = "cpu/fpop_ip_dp", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = fpop_ip_dp_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT16(env.fpop, X86CPU), | 
|  | VMSTATE_UINT64(env.fpip, X86CPU), | 
|  | VMSTATE_UINT64(env.fpdp, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool tsc_adjust_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->tsc_adjust != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_tsc_adjust = { | 
|  | .name = "cpu/msr_tsc_adjust", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = tsc_adjust_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.tsc_adjust, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool tscdeadline_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->tsc_deadline != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_tscdeadline = { | 
|  | .name = "cpu/msr_tscdeadline", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = tscdeadline_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.tsc_deadline, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool misc_enable_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->msr_ia32_misc_enable != MSR_IA32_MISC_ENABLE_DEFAULT; | 
|  | } | 
|  |  | 
|  | static bool feature_control_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->msr_ia32_feature_control != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_ia32_misc_enable = { | 
|  | .name = "cpu/msr_ia32_misc_enable", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = misc_enable_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.msr_ia32_misc_enable, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_ia32_feature_control = { | 
|  | .name = "cpu/msr_ia32_feature_control", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = feature_control_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.msr_ia32_feature_control, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool pmu_enable_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  | int i; | 
|  |  | 
|  | if (env->msr_fixed_ctr_ctrl || env->msr_global_ctrl || | 
|  | env->msr_global_status || env->msr_global_ovf_ctrl) { | 
|  | return true; | 
|  | } | 
|  | for (i = 0; i < MAX_FIXED_COUNTERS; i++) { | 
|  | if (env->msr_fixed_counters[i]) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  | for (i = 0; i < MAX_GP_COUNTERS; i++) { | 
|  | if (env->msr_gp_counters[i] || env->msr_gp_evtsel[i]) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  |  | 
|  | return false; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_architectural_pmu = { | 
|  | .name = "cpu/msr_architectural_pmu", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = pmu_enable_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.msr_fixed_ctr_ctrl, X86CPU), | 
|  | VMSTATE_UINT64(env.msr_global_ctrl, X86CPU), | 
|  | VMSTATE_UINT64(env.msr_global_status, X86CPU), | 
|  | VMSTATE_UINT64(env.msr_global_ovf_ctrl, X86CPU), | 
|  | VMSTATE_UINT64_ARRAY(env.msr_fixed_counters, X86CPU, MAX_FIXED_COUNTERS), | 
|  | VMSTATE_UINT64_ARRAY(env.msr_gp_counters, X86CPU, MAX_GP_COUNTERS), | 
|  | VMSTATE_UINT64_ARRAY(env.msr_gp_evtsel, X86CPU, MAX_GP_COUNTERS), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool mpx_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  | unsigned int i; | 
|  |  | 
|  | for (i = 0; i < 4; i++) { | 
|  | if (env->bnd_regs[i].lb || env->bnd_regs[i].ub) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (env->bndcs_regs.cfgu || env->bndcs_regs.sts) { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | return !!env->msr_bndcfgs; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_mpx = { | 
|  | .name = "cpu/mpx", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = mpx_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_BND_REGS(env.bnd_regs, X86CPU, 4), | 
|  | VMSTATE_UINT64(env.bndcs_regs.cfgu, X86CPU), | 
|  | VMSTATE_UINT64(env.bndcs_regs.sts, X86CPU), | 
|  | VMSTATE_UINT64(env.msr_bndcfgs, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool hyperv_hypercall_enable_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->msr_hv_hypercall != 0 || env->msr_hv_guest_os_id != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_hypercall_hypercall = { | 
|  | .name = "cpu/msr_hyperv_hypercall", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = hyperv_hypercall_enable_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.msr_hv_guest_os_id, X86CPU), | 
|  | VMSTATE_UINT64(env.msr_hv_hypercall, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool hyperv_vapic_enable_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->msr_hv_vapic != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_hyperv_vapic = { | 
|  | .name = "cpu/msr_hyperv_vapic", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = hyperv_vapic_enable_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.msr_hv_vapic, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool hyperv_time_enable_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->msr_hv_tsc != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_msr_hyperv_time = { | 
|  | .name = "cpu/msr_hyperv_time", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = hyperv_time_enable_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.msr_hv_tsc, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool avx512_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  | unsigned int i; | 
|  |  | 
|  | for (i = 0; i < NB_OPMASK_REGS; i++) { | 
|  | if (env->opmask_regs[i]) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  |  | 
|  | for (i = 0; i < CPU_NB_REGS; i++) { | 
|  | #define ENV_XMM(reg, field) (env->xmm_regs[reg].XMM_Q(field)) | 
|  | if (ENV_XMM(i, 4) || ENV_XMM(i, 6) || | 
|  | ENV_XMM(i, 5) || ENV_XMM(i, 7)) { | 
|  | return true; | 
|  | } | 
|  | #ifdef TARGET_X86_64 | 
|  | if (ENV_XMM(i+16, 0) || ENV_XMM(i+16, 1) || | 
|  | ENV_XMM(i+16, 2) || ENV_XMM(i+16, 3) || | 
|  | ENV_XMM(i+16, 4) || ENV_XMM(i+16, 5) || | 
|  | ENV_XMM(i+16, 6) || ENV_XMM(i+16, 7)) { | 
|  | return true; | 
|  | } | 
|  | #endif | 
|  | } | 
|  |  | 
|  | return false; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_avx512 = { | 
|  | .name = "cpu/avx512", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = avx512_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64_ARRAY(env.opmask_regs, X86CPU, NB_OPMASK_REGS), | 
|  | VMSTATE_ZMMH_REGS_VARS(env.xmm_regs, X86CPU, 0), | 
|  | #ifdef TARGET_X86_64 | 
|  | VMSTATE_Hi16_ZMM_REGS_VARS(env.xmm_regs, X86CPU, 16), | 
|  | #endif | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | static bool xss_needed(void *opaque) | 
|  | { | 
|  | X86CPU *cpu = opaque; | 
|  | CPUX86State *env = &cpu->env; | 
|  |  | 
|  | return env->xss != 0; | 
|  | } | 
|  |  | 
|  | static const VMStateDescription vmstate_xss = { | 
|  | .name = "cpu/xss", | 
|  | .version_id = 1, | 
|  | .minimum_version_id = 1, | 
|  | .needed = xss_needed, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINT64(env.xss, X86CPU), | 
|  | VMSTATE_END_OF_LIST() | 
|  | } | 
|  | }; | 
|  |  | 
|  | VMStateDescription vmstate_x86_cpu = { | 
|  | .name = "cpu", | 
|  | .version_id = 12, | 
|  | .minimum_version_id = 3, | 
|  | .pre_save = cpu_pre_save, | 
|  | .post_load = cpu_post_load, | 
|  | .fields = (VMStateField[]) { | 
|  | VMSTATE_UINTTL_ARRAY(env.regs, X86CPU, CPU_NB_REGS), | 
|  | VMSTATE_UINTTL(env.eip, X86CPU), | 
|  | VMSTATE_UINTTL(env.eflags, X86CPU), | 
|  | VMSTATE_UINT32(env.hflags, X86CPU), | 
|  | /* FPU */ | 
|  | VMSTATE_UINT16(env.fpuc, X86CPU), | 
|  | VMSTATE_UINT16(env.fpus_vmstate, X86CPU), | 
|  | VMSTATE_UINT16(env.fptag_vmstate, X86CPU), | 
|  | VMSTATE_UINT16(env.fpregs_format_vmstate, X86CPU), | 
|  | VMSTATE_FP_REGS(env.fpregs, X86CPU, 8), | 
|  |  | 
|  | VMSTATE_SEGMENT_ARRAY(env.segs, X86CPU, 6), | 
|  | VMSTATE_SEGMENT(env.ldt, X86CPU), | 
|  | VMSTATE_SEGMENT(env.tr, X86CPU), | 
|  | VMSTATE_SEGMENT(env.gdt, X86CPU), | 
|  | VMSTATE_SEGMENT(env.idt, X86CPU), | 
|  |  | 
|  | VMSTATE_UINT32(env.sysenter_cs, X86CPU), | 
|  | #ifdef TARGET_X86_64 | 
|  | /* Hack: In v7 size changed from 32 to 64 bits on x86_64 */ | 
|  | VMSTATE_HACK_UINT32(env.sysenter_esp, X86CPU, less_than_7), | 
|  | VMSTATE_HACK_UINT32(env.sysenter_eip, X86CPU, less_than_7), | 
|  | VMSTATE_UINTTL_V(env.sysenter_esp, X86CPU, 7), | 
|  | VMSTATE_UINTTL_V(env.sysenter_eip, X86CPU, 7), | 
|  | #else | 
|  | VMSTATE_UINTTL(env.sysenter_esp, X86CPU), | 
|  | VMSTATE_UINTTL(env.sysenter_eip, X86CPU), | 
|  | #endif | 
|  |  | 
|  | VMSTATE_UINTTL(env.cr[0], X86CPU), | 
|  | VMSTATE_UINTTL(env.cr[2], X86CPU), | 
|  | VMSTATE_UINTTL(env.cr[3], X86CPU), | 
|  | VMSTATE_UINTTL(env.cr[4], X86CPU), | 
|  | VMSTATE_UINTTL_ARRAY(env.dr, X86CPU, 8), | 
|  | /* MMU */ | 
|  | VMSTATE_INT32(env.a20_mask, X86CPU), | 
|  | /* XMM */ | 
|  | VMSTATE_UINT32(env.mxcsr, X86CPU), | 
|  | VMSTATE_XMM_REGS(env.xmm_regs, X86CPU, 0), | 
|  |  | 
|  | #ifdef TARGET_X86_64 | 
|  | VMSTATE_UINT64(env.efer, X86CPU), | 
|  | VMSTATE_UINT64(env.star, X86CPU), | 
|  | VMSTATE_UINT64(env.lstar, X86CPU), | 
|  | VMSTATE_UINT64(env.cstar, X86CPU), | 
|  | VMSTATE_UINT64(env.fmask, X86CPU), | 
|  | VMSTATE_UINT64(env.kernelgsbase, X86CPU), | 
|  | #endif | 
|  | VMSTATE_UINT32_V(env.smbase, X86CPU, 4), | 
|  |  | 
|  | VMSTATE_UINT64_V(env.pat, X86CPU, 5), | 
|  | VMSTATE_UINT32_V(env.hflags2, X86CPU, 5), | 
|  |  | 
|  | VMSTATE_UINT32_TEST(parent_obj.halted, X86CPU, version_is_5), | 
|  | VMSTATE_UINT64_V(env.vm_hsave, X86CPU, 5), | 
|  | VMSTATE_UINT64_V(env.vm_vmcb, X86CPU, 5), | 
|  | VMSTATE_UINT64_V(env.tsc_offset, X86CPU, 5), | 
|  | VMSTATE_UINT64_V(env.intercept, X86CPU, 5), | 
|  | VMSTATE_UINT16_V(env.intercept_cr_read, X86CPU, 5), | 
|  | VMSTATE_UINT16_V(env.intercept_cr_write, X86CPU, 5), | 
|  | VMSTATE_UINT16_V(env.intercept_dr_read, X86CPU, 5), | 
|  | VMSTATE_UINT16_V(env.intercept_dr_write, X86CPU, 5), | 
|  | VMSTATE_UINT32_V(env.intercept_exceptions, X86CPU, 5), | 
|  | VMSTATE_UINT8_V(env.v_tpr, X86CPU, 5), | 
|  | /* MTRRs */ | 
|  | VMSTATE_UINT64_ARRAY_V(env.mtrr_fixed, X86CPU, 11, 8), | 
|  | VMSTATE_UINT64_V(env.mtrr_deftype, X86CPU, 8), | 
|  | VMSTATE_MTRR_VARS(env.mtrr_var, X86CPU, MSR_MTRRcap_VCNT, 8), | 
|  | /* KVM-related states */ | 
|  | VMSTATE_INT32_V(env.interrupt_injected, X86CPU, 9), | 
|  | VMSTATE_UINT32_V(env.mp_state, X86CPU, 9), | 
|  | VMSTATE_UINT64_V(env.tsc, X86CPU, 9), | 
|  | VMSTATE_INT32_V(env.exception_injected, X86CPU, 11), | 
|  | VMSTATE_UINT8_V(env.soft_interrupt, X86CPU, 11), | 
|  | VMSTATE_UINT8_V(env.nmi_injected, X86CPU, 11), | 
|  | VMSTATE_UINT8_V(env.nmi_pending, X86CPU, 11), | 
|  | VMSTATE_UINT8_V(env.has_error_code, X86CPU, 11), | 
|  | VMSTATE_UINT32_V(env.sipi_vector, X86CPU, 11), | 
|  | /* MCE */ | 
|  | VMSTATE_UINT64_V(env.mcg_cap, X86CPU, 10), | 
|  | VMSTATE_UINT64_V(env.mcg_status, X86CPU, 10), | 
|  | VMSTATE_UINT64_V(env.mcg_ctl, X86CPU, 10), | 
|  | VMSTATE_UINT64_ARRAY_V(env.mce_banks, X86CPU, MCE_BANKS_DEF * 4, 10), | 
|  | /* rdtscp */ | 
|  | VMSTATE_UINT64_V(env.tsc_aux, X86CPU, 11), | 
|  | /* KVM pvclock msr */ | 
|  | VMSTATE_UINT64_V(env.system_time_msr, X86CPU, 11), | 
|  | VMSTATE_UINT64_V(env.wall_clock_msr, X86CPU, 11), | 
|  | /* XSAVE related fields */ | 
|  | VMSTATE_UINT64_V(env.xcr0, X86CPU, 12), | 
|  | VMSTATE_UINT64_V(env.xstate_bv, X86CPU, 12), | 
|  | VMSTATE_YMMH_REGS_VARS(env.xmm_regs, X86CPU, 0, 12), | 
|  | VMSTATE_END_OF_LIST() | 
|  | /* The above list is not sorted /wrt version numbers, watch out! */ | 
|  | }, | 
|  | .subsections = (const VMStateDescription*[]) { | 
|  | &vmstate_async_pf_msr, | 
|  | &vmstate_pv_eoi_msr, | 
|  | &vmstate_steal_time_msr, | 
|  | &vmstate_fpop_ip_dp, | 
|  | &vmstate_msr_tsc_adjust, | 
|  | &vmstate_msr_tscdeadline, | 
|  | &vmstate_msr_ia32_misc_enable, | 
|  | &vmstate_msr_ia32_feature_control, | 
|  | &vmstate_msr_architectural_pmu, | 
|  | &vmstate_mpx, | 
|  | &vmstate_msr_hypercall_hypercall, | 
|  | &vmstate_msr_hyperv_vapic, | 
|  | &vmstate_msr_hyperv_time, | 
|  | &vmstate_avx512, | 
|  | &vmstate_xss, | 
|  | NULL | 
|  | } | 
|  | }; |