| #include "qemu/osdep.h" |
| #include "qemu-common.h" |
| #include "cpu.h" |
| #include "exec/exec-all.h" |
| #include "hw/hw.h" |
| #include "hw/boards.h" |
| #include "hw/i386/pc.h" |
| #include "hw/isa/isa.h" |
| #include "migration/cpu.h" |
| |
| #include "sysemu/kvm.h" |
| |
| #include "qemu/error-report.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(ZMM_Q(0), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(1), ZMMReg), |
| 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, ZMMReg) |
| |
| /* 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(ZMM_Q(2), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(3), ZMMReg), |
| 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, ZMMReg) |
| |
| static const VMStateDescription vmstate_zmmh_reg = { |
| .name = "zmmh_reg", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64(ZMM_Q(4), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(5), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(6), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(7), ZMMReg), |
| 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, ZMMReg) |
| |
| #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(ZMM_Q(0), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(1), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(2), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(3), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(4), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(5), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(6), ZMMReg), |
| VMSTATE_UINT64(ZMM_Q(7), ZMMReg), |
| 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, ZMMReg) |
| #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) |
| |
| typedef struct x86_FPReg_tmp { |
| FPReg *parent; |
| uint64_t tmp_mant; |
| uint16_t tmp_exp; |
| } x86_FPReg_tmp; |
| |
| static void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f) |
| { |
| CPU_LDoubleU temp; |
| |
| temp.d = f; |
| *pmant = temp.l.lower; |
| *pexp = temp.l.upper; |
| } |
| |
| static floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper) |
| { |
| CPU_LDoubleU temp; |
| |
| temp.l.upper = upper; |
| temp.l.lower = mant; |
| return temp.d; |
| } |
| |
| static int fpreg_pre_save(void *opaque) |
| { |
| x86_FPReg_tmp *tmp = opaque; |
| |
| /* we save the real CPU data (in case of MMX usage only 'mant' |
| contains the MMX register */ |
| cpu_get_fp80(&tmp->tmp_mant, &tmp->tmp_exp, tmp->parent->d); |
| |
| return 0; |
| } |
| |
| static int fpreg_post_load(void *opaque, int version) |
| { |
| x86_FPReg_tmp *tmp = opaque; |
| |
| tmp->parent->d = cpu_set_fp80(tmp->tmp_mant, tmp->tmp_exp); |
| return 0; |
| } |
| |
| static const VMStateDescription vmstate_fpreg_tmp = { |
| .name = "fpreg_tmp", |
| .post_load = fpreg_post_load, |
| .pre_save = fpreg_pre_save, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64(tmp_mant, x86_FPReg_tmp), |
| VMSTATE_UINT16(tmp_exp, x86_FPReg_tmp), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static const VMStateDescription vmstate_fpreg = { |
| .name = "fpreg", |
| .fields = (VMStateField[]) { |
| VMSTATE_WITH_TMP(FPReg, x86_FPReg_tmp, vmstate_fpreg_tmp), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static int 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); |
| } |
| |
| return 0; |
| } |
| |
| static int cpu_post_load(void *opaque, int version_id) |
| { |
| X86CPU *cpu = opaque; |
| CPUState *cs = CPU(cpu); |
| CPUX86State *env = &cpu->env; |
| int i; |
| |
| if (env->tsc_khz && env->user_tsc_khz && |
| env->tsc_khz != env->user_tsc_khz) { |
| error_report("Mismatch between user-specified TSC frequency and " |
| "migrated TSC frequency"); |
| return -EINVAL; |
| } |
| |
| if (env->fpregs_format_vmstate) { |
| error_report("Unsupported old non-softfloat CPU state"); |
| return -EINVAL; |
| } |
| /* |
| * 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; |
| } |
| if (tcg_enabled()) { |
| target_ulong dr7; |
| update_fp_status(env); |
| update_mxcsr_status(env); |
| |
| cpu_breakpoint_remove_all(cs, BP_CPU); |
| cpu_watchpoint_remove_all(cs, BP_CPU); |
| |
| /* Indicate all breakpoints disabled, as they are, then |
| let the helper re-enable them. */ |
| dr7 = env->dr[7]; |
| env->dr[7] = dr7 & ~(DR7_GLOBAL_BP_MASK | DR7_LOCAL_BP_MASK); |
| cpu_x86_update_dr7(env, dr7); |
| } |
| tlb_flush(cs); |
| 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 hyperv_crash_enable_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| int i; |
| |
| for (i = 0; i < HV_CRASH_PARAMS; i++) { |
| if (env->msr_hv_crash_params[i]) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static const VMStateDescription vmstate_msr_hyperv_crash = { |
| .name = "cpu/msr_hyperv_crash", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = hyperv_crash_enable_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64_ARRAY(env.msr_hv_crash_params, X86CPU, HV_CRASH_PARAMS), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static bool hyperv_runtime_enable_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| |
| if (!cpu->hyperv_runtime) { |
| return false; |
| } |
| |
| return env->msr_hv_runtime != 0; |
| } |
| |
| static const VMStateDescription vmstate_msr_hyperv_runtime = { |
| .name = "cpu/msr_hyperv_runtime", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = hyperv_runtime_enable_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64(env.msr_hv_runtime, X86CPU), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static bool hyperv_synic_enable_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| int i; |
| |
| if (env->msr_hv_synic_control != 0 || |
| env->msr_hv_synic_evt_page != 0 || |
| env->msr_hv_synic_msg_page != 0) { |
| return true; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(env->msr_hv_synic_sint); i++) { |
| if (env->msr_hv_synic_sint[i] != 0) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| static const VMStateDescription vmstate_msr_hyperv_synic = { |
| .name = "cpu/msr_hyperv_synic", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = hyperv_synic_enable_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64(env.msr_hv_synic_control, X86CPU), |
| VMSTATE_UINT64(env.msr_hv_synic_evt_page, X86CPU), |
| VMSTATE_UINT64(env.msr_hv_synic_msg_page, X86CPU), |
| VMSTATE_UINT64_ARRAY(env.msr_hv_synic_sint, X86CPU, HV_SINT_COUNT), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static bool hyperv_stimer_enable_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(env->msr_hv_stimer_config); i++) { |
| if (env->msr_hv_stimer_config[i] || env->msr_hv_stimer_count[i]) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static const VMStateDescription vmstate_msr_hyperv_stimer = { |
| .name = "cpu/msr_hyperv_stimer", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = hyperv_stimer_enable_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_config, X86CPU, |
| HV_STIMER_COUNT), |
| VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_count, X86CPU, HV_STIMER_COUNT), |
| 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].ZMM_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() |
| } |
| }; |
| |
| #ifdef TARGET_X86_64 |
| static bool pkru_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| |
| return env->pkru != 0; |
| } |
| |
| static const VMStateDescription vmstate_pkru = { |
| .name = "cpu/pkru", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = pkru_needed, |
| .fields = (VMStateField[]){ |
| VMSTATE_UINT32(env.pkru, X86CPU), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| #endif |
| |
| static bool tsc_khz_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); |
| PCMachineClass *pcmc = PC_MACHINE_CLASS(mc); |
| return env->tsc_khz && pcmc->save_tsc_khz; |
| } |
| |
| static const VMStateDescription vmstate_tsc_khz = { |
| .name = "cpu/tsc_khz", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = tsc_khz_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_INT64(env.tsc_khz, X86CPU), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static bool mcg_ext_ctl_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| return cpu->enable_lmce && env->mcg_ext_ctl; |
| } |
| |
| static const VMStateDescription vmstate_mcg_ext_ctl = { |
| .name = "cpu/mcg_ext_ctl", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = mcg_ext_ctl_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64(env.mcg_ext_ctl, X86CPU), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static bool spec_ctrl_needed(void *opaque) |
| { |
| X86CPU *cpu = opaque; |
| CPUX86State *env = &cpu->env; |
| |
| return env->spec_ctrl != 0; |
| } |
| |
| static const VMStateDescription vmstate_spec_ctrl = { |
| .name = "cpu/spec_ctrl", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = spec_ctrl_needed, |
| .fields = (VMStateField[]){ |
| VMSTATE_UINT64(env.spec_ctrl, X86CPU), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| VMStateDescription vmstate_x86_cpu = { |
| .name = "cpu", |
| .version_id = 12, |
| .minimum_version_id = 11, |
| .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_STRUCT_ARRAY(env.fpregs, X86CPU, 8, 0, vmstate_fpreg, FPReg), |
| |
| 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), |
| VMSTATE_UINTTL(env.sysenter_esp, X86CPU), |
| VMSTATE_UINTTL(env.sysenter_eip, X86CPU), |
| |
| 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(env.smbase, X86CPU), |
| |
| VMSTATE_UINT64(env.pat, X86CPU), |
| VMSTATE_UINT32(env.hflags2, X86CPU), |
| |
| VMSTATE_UINT64(env.vm_hsave, X86CPU), |
| VMSTATE_UINT64(env.vm_vmcb, X86CPU), |
| VMSTATE_UINT64(env.tsc_offset, X86CPU), |
| VMSTATE_UINT64(env.intercept, X86CPU), |
| VMSTATE_UINT16(env.intercept_cr_read, X86CPU), |
| VMSTATE_UINT16(env.intercept_cr_write, X86CPU), |
| VMSTATE_UINT16(env.intercept_dr_read, X86CPU), |
| VMSTATE_UINT16(env.intercept_dr_write, X86CPU), |
| VMSTATE_UINT32(env.intercept_exceptions, X86CPU), |
| VMSTATE_UINT8(env.v_tpr, X86CPU), |
| /* MTRRs */ |
| VMSTATE_UINT64_ARRAY(env.mtrr_fixed, X86CPU, 11), |
| VMSTATE_UINT64(env.mtrr_deftype, X86CPU), |
| VMSTATE_MTRR_VARS(env.mtrr_var, X86CPU, MSR_MTRRcap_VCNT, 8), |
| /* KVM-related states */ |
| VMSTATE_INT32(env.interrupt_injected, X86CPU), |
| VMSTATE_UINT32(env.mp_state, X86CPU), |
| VMSTATE_UINT64(env.tsc, X86CPU), |
| VMSTATE_INT32(env.exception_injected, X86CPU), |
| VMSTATE_UINT8(env.soft_interrupt, X86CPU), |
| VMSTATE_UINT8(env.nmi_injected, X86CPU), |
| VMSTATE_UINT8(env.nmi_pending, X86CPU), |
| VMSTATE_UINT8(env.has_error_code, X86CPU), |
| VMSTATE_UINT32(env.sipi_vector, X86CPU), |
| /* MCE */ |
| VMSTATE_UINT64(env.mcg_cap, X86CPU), |
| VMSTATE_UINT64(env.mcg_status, X86CPU), |
| VMSTATE_UINT64(env.mcg_ctl, X86CPU), |
| VMSTATE_UINT64_ARRAY(env.mce_banks, X86CPU, MCE_BANKS_DEF * 4), |
| /* rdtscp */ |
| VMSTATE_UINT64(env.tsc_aux, X86CPU), |
| /* KVM pvclock msr */ |
| VMSTATE_UINT64(env.system_time_msr, X86CPU), |
| VMSTATE_UINT64(env.wall_clock_msr, X86CPU), |
| /* 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_msr_hyperv_crash, |
| &vmstate_msr_hyperv_runtime, |
| &vmstate_msr_hyperv_synic, |
| &vmstate_msr_hyperv_stimer, |
| &vmstate_avx512, |
| &vmstate_xss, |
| &vmstate_tsc_khz, |
| #ifdef TARGET_X86_64 |
| &vmstate_pkru, |
| #endif |
| &vmstate_spec_ctrl, |
| &vmstate_mcg_ext_ctl, |
| NULL |
| } |
| }; |
