]> git.proxmox.com Git - qemu.git/blobdiff - target-i386/machine.c
osdep: introduce qemu_anon_ram_free to free qemu_anon_ram_alloc-ed memory
[qemu.git] / target-i386 / machine.c
index e59b4ebee494e90202934d1ab5413b9e9d3dc81e..3659db9e94431ae5c7aa428a121fb245eb3886ab 100644 (file)
@@ -1,11 +1,10 @@
 #include "hw/hw.h"
 #include "hw/boards.h"
-#include "hw/pc.h"
-#include "hw/isa.h"
-#include "host-utils.h"
+#include "hw/i386/pc.h"
+#include "hw/isa/isa.h"
 
-#include "exec-all.h"
-#include "kvm.h"
+#include "cpu.h"
+#include "sysemu/kvm.h"
 
 static const VMStateDescription vmstate_segment = {
     .name = "segment",
@@ -21,167 +20,70 @@ static const VMStateDescription vmstate_segment = {
     }
 };
 
-static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
-{
-    vmstate_save_state(f, &vmstate_segment, dt);
-}
-
-static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
-{
-    vmstate_load_state(f, &vmstate_segment, dt, vmstate_segment.version_id);
+#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))  \
 }
 
-static void cpu_pre_save(void *opaque)
-{
-    CPUState *env = opaque;
-    int i, bit;
+#define VMSTATE_SEGMENT_ARRAY(_field, _state, _n)                    \
+    VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_segment, SegmentCache)
 
-    cpu_synchronize_state(env);
-
-    /* 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);
-    }
-
-#ifdef USE_X86LDOUBLE
-    env->fpregs_format_vmstate = 0;
-#else
-    env->fpregs_format_vmstate = 1;
-#endif
-
-    /* There can only be one pending IRQ set in the bitmap at a time, so try
-       to find it and save its number instead (-1 for none). */
-    env->pending_irq_vmstate = -1;
-    for (i = 0; i < ARRAY_SIZE(env->interrupt_bitmap); i++) {
-        if (env->interrupt_bitmap[i]) {
-            bit = ctz64(env->interrupt_bitmap[i]);
-            env->pending_irq_vmstate = i * 64 + bit;
-            break;
-        }
+static const VMStateDescription vmstate_xmm_reg = {
+    .name = "xmm_reg",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(XMM_Q(0), XMMReg),
+        VMSTATE_UINT64(XMM_Q(1), XMMReg),
+        VMSTATE_END_OF_LIST()
     }
-}
-
-void cpu_save(QEMUFile *f, void *opaque)
-{
-    CPUState *env = opaque;
-    int i;
-
-    cpu_pre_save(opaque);
-
-    for(i = 0; i < CPU_NB_REGS; i++)
-        qemu_put_betls(f, &env->regs[i]);
-    qemu_put_betls(f, &env->eip);
-    qemu_put_betls(f, &env->eflags);
-    qemu_put_be32s(f, &env->hflags);
-
-    /* FPU */
-    qemu_put_be16s(f, &env->fpuc);
-    qemu_put_be16s(f, &env->fpus_vmstate);
-    qemu_put_be16s(f, &env->fptag_vmstate);
+};
 
-    qemu_put_be16s(f, &env->fpregs_format_vmstate);
+#define VMSTATE_XMM_REGS(_field, _state, _n)                         \
+    VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_xmm_reg, XMMReg)
 
-    for(i = 0; i < 8; i++) {
-#ifdef USE_X86LDOUBLE
-        {
-            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, env->fpregs[i].d);
-            qemu_put_be64(f, mant);
-            qemu_put_be16(f, exp);
-        }
-#else
-        /* if we use doubles for float emulation, we save the doubles to
-           avoid losing information in case of MMX usage. It can give
-           problems if the image is restored on a CPU where long
-           doubles are used instead. */
-        qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
-#endif
+/* YMMH format is the same as XMM */
+static const VMStateDescription vmstate_ymmh_reg = {
+    .name = "ymmh_reg",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(XMM_Q(0), XMMReg),
+        VMSTATE_UINT64(XMM_Q(1), XMMReg),
+        VMSTATE_END_OF_LIST()
     }
+};
 
-    for(i = 0; i < 6; i++)
-        cpu_put_seg(f, &env->segs[i]);
-    cpu_put_seg(f, &env->ldt);
-    cpu_put_seg(f, &env->tr);
-    cpu_put_seg(f, &env->gdt);
-    cpu_put_seg(f, &env->idt);
-
-    qemu_put_be32s(f, &env->sysenter_cs);
-    qemu_put_betls(f, &env->sysenter_esp);
-    qemu_put_betls(f, &env->sysenter_eip);
-
-    qemu_put_betls(f, &env->cr[0]);
-    qemu_put_betls(f, &env->cr[2]);
-    qemu_put_betls(f, &env->cr[3]);
-    qemu_put_betls(f, &env->cr[4]);
-
-    for(i = 0; i < 8; i++)
-        qemu_put_betls(f, &env->dr[i]);
-
-    /* MMU */
-    qemu_put_sbe32s(f, &env->a20_mask);
-
-    /* XMM */
-    qemu_put_be32s(f, &env->mxcsr);
-    for(i = 0; i < CPU_NB_REGS; i++) {
-        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
-        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
-    }
+#define VMSTATE_YMMH_REGS_VARS(_field, _state, _n, _v)                         \
+    VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_ymmh_reg, XMMReg)
 
-#ifdef TARGET_X86_64
-    qemu_put_be64s(f, &env->efer);
-    qemu_put_be64s(f, &env->star);
-    qemu_put_be64s(f, &env->lstar);
-    qemu_put_be64s(f, &env->cstar);
-    qemu_put_be64s(f, &env->fmask);
-    qemu_put_be64s(f, &env->kernelgsbase);
-#endif
-    qemu_put_be32s(f, &env->smbase);
-
-    qemu_put_be64s(f, &env->pat);
-    qemu_put_be32s(f, &env->hflags2);
-    
-    qemu_put_be64s(f, &env->vm_hsave);
-    qemu_put_be64s(f, &env->vm_vmcb);
-    qemu_put_be64s(f, &env->tsc_offset);
-    qemu_put_be64s(f, &env->intercept);
-    qemu_put_be16s(f, &env->intercept_cr_read);
-    qemu_put_be16s(f, &env->intercept_cr_write);
-    qemu_put_be16s(f, &env->intercept_dr_read);
-    qemu_put_be16s(f, &env->intercept_dr_write);
-    qemu_put_be32s(f, &env->intercept_exceptions);
-    qemu_put_8s(f, &env->v_tpr);
-
-    /* MTRRs */
-    for(i = 0; i < 11; i++)
-        qemu_put_be64s(f, &env->mtrr_fixed[i]);
-    qemu_put_be64s(f, &env->mtrr_deftype);
-    for(i = 0; i < 8; i++) {
-        qemu_put_be64s(f, &env->mtrr_var[i].base);
-        qemu_put_be64s(f, &env->mtrr_var[i].mask);
+static const VMStateDescription vmstate_mtrr_var = {
+    .name = "mtrr_var",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(base, MTRRVar),
+        VMSTATE_UINT64(mask, MTRRVar),
+        VMSTATE_END_OF_LIST()
     }
+};
 
-    /* KVM-related states */
-
-    qemu_put_sbe32s(f, &env->pending_irq_vmstate);
-    qemu_put_be32s(f, &env->mp_state);
-    qemu_put_be64s(f, &env->tsc);
+#define VMSTATE_MTRR_VARS(_field, _state, _n, _v)                    \
+    VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_mtrr_var, MTRRVar)
 
-    /* MCE */
-    qemu_put_be64s(f, &env->mcg_cap);
-    qemu_put_be64s(f, &env->mcg_status);
-    qemu_put_be64s(f, &env->mcg_ctl);
-    for (i = 0; i < MCE_BANKS_DEF * 4; i++) {
-        qemu_put_be64s(f, &env->mce_banks[i]);
-    }
-    qemu_put_be64s(f, &env->tsc_aux);
- }
+static void put_fpreg_error(QEMUFile *f, void *opaque, size_t size)
+{
+    fprintf(stderr, "call put_fpreg() with invalid arguments\n");
+    exit(0);
+}
 
-#ifdef USE_X86LDOUBLE
 /* XXX: add that in a FPU generic layer */
 union x86_longdouble {
     uint64_t mant;
@@ -203,19 +105,159 @@ static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
     e |= SIGND1(temp) >> 16;
     p->exp = e;
 }
-#endif
 
-static int cpu_pre_load(void *opaque)
+static int get_fpreg(QEMUFile *f, void *opaque, size_t size)
 {
-    CPUState *env = opaque;
+    FPReg *fp_reg = opaque;
+    uint64_t mant;
+    uint16_t exp;
 
-    cpu_synchronize_state(env);
+    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;
+}
+
 static int cpu_post_load(void *opaque, int version_id)
 {
-    CPUState *env = opaque;
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
     int i;
 
     /* XXX: restore FPU round state */
@@ -228,176 +270,273 @@ static int cpu_post_load(void *opaque, int version_id)
 
     cpu_breakpoint_remove_all(env, BP_CPU);
     cpu_watchpoint_remove_all(env, BP_CPU);
-    for (i = 0; i < 4; i++)
+    for (i = 0; i < DR7_MAX_BP; i++) {
         hw_breakpoint_insert(env, i);
-
-    if (version_id >= 9) {
-        memset(&env->interrupt_bitmap, 0, sizeof(env->interrupt_bitmap));
-        if (env->pending_irq_vmstate >= 0) {
-            env->interrupt_bitmap[env->pending_irq_vmstate / 64] |=
-                (uint64_t)1 << (env->pending_irq_vmstate % 64);
-        }
     }
+    tlb_flush(env, 1);
 
-    return cpu_post_load(env, version_id);
+    return 0;
 }
 
-int cpu_load(QEMUFile *f, void *opaque, int version_id)
+static bool async_pf_msr_needed(void *opaque)
 {
-    CPUState *env = opaque;
-    int i, guess_mmx;
-
-    cpu_pre_load(env);
-
-    if (version_id < 3 || version_id > CPU_SAVE_VERSION)
-        return -EINVAL;
-    for(i = 0; i < CPU_NB_REGS; i++)
-        qemu_get_betls(f, &env->regs[i]);
-    qemu_get_betls(f, &env->eip);
-    qemu_get_betls(f, &env->eflags);
-    qemu_get_be32s(f, &env->hflags);
-
-    qemu_get_be16s(f, &env->fpuc);
-    qemu_get_be16s(f, &env->fpus_vmstate);
-    qemu_get_be16s(f, &env->fptag_vmstate);
-    qemu_get_be16s(f, &env->fpregs_format_vmstate);
-
-    /* NOTE: we cannot always restore the FPU state if the image come
-       from a host with a different 'USE_X86LDOUBLE' define. We guess
-       if we are in an MMX state to restore correctly in that case. */
-    guess_mmx = ((env->fptag_vmstate == 0xff) && (env->fpus_vmstate & 0x3800) == 0);
-    for(i = 0; i < 8; i++) {
-        uint64_t mant;
-        uint16_t exp;
-
-        switch(env->fpregs_format_vmstate) {
-        case 0:
-            mant = qemu_get_be64(f);
-            exp = qemu_get_be16(f);
-#ifdef USE_X86LDOUBLE
-            env->fpregs[i].d = cpu_set_fp80(mant, exp);
-#else
-            /* difficult case */
-            if (guess_mmx)
-                env->fpregs[i].mmx.MMX_Q(0) = mant;
-            else
-                env->fpregs[i].d = cpu_set_fp80(mant, exp);
-#endif
-            break;
-        case 1:
-            mant = qemu_get_be64(f);
-#ifdef USE_X86LDOUBLE
-            {
-                union x86_longdouble *p;
-                /* difficult case */
-                p = (void *)&env->fpregs[i];
-                if (guess_mmx) {
-                    p->mant = mant;
-                    p->exp = 0xffff;
-                } else {
-                    fp64_to_fp80(p, mant);
-                }
-            }
-#else
-            env->fpregs[i].mmx.MMX_Q(0) = mant;
-#endif
-            break;
-        default:
-            return -EINVAL;
-        }
-    }
+    X86CPU *cpu = opaque;
 
-    for(i = 0; i < 6; i++)
-        cpu_get_seg(f, &env->segs[i]);
-    cpu_get_seg(f, &env->ldt);
-    cpu_get_seg(f, &env->tr);
-    cpu_get_seg(f, &env->gdt);
-    cpu_get_seg(f, &env->idt);
-
-    qemu_get_be32s(f, &env->sysenter_cs);
-    if (version_id >= 7) {
-        qemu_get_betls(f, &env->sysenter_esp);
-        qemu_get_betls(f, &env->sysenter_eip);
-    } else {
-        env->sysenter_esp = qemu_get_be32(f);
-        env->sysenter_eip = qemu_get_be32(f);
-    }
+    return cpu->env.async_pf_en_msr != 0;
+}
 
-    qemu_get_betls(f, &env->cr[0]);
-    qemu_get_betls(f, &env->cr[2]);
-    qemu_get_betls(f, &env->cr[3]);
-    qemu_get_betls(f, &env->cr[4]);
+static bool pv_eoi_msr_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
 
-    for(i = 0; i < 8; i++)
-        qemu_get_betls(f, &env->dr[i]);
+    return cpu->env.pv_eoi_en_msr != 0;
+}
 
-    qemu_get_sbe32s(f, &env->a20_mask);
+static bool steal_time_msr_needed(void *opaque)
+{
+    CPUX86State *cpu = opaque;
 
-    qemu_get_be32s(f, &env->mxcsr);
-    for(i = 0; i < CPU_NB_REGS; i++) {
-        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
-        qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
-    }
+    return cpu->steal_time_msr != 0;
+}
 
-#ifdef TARGET_X86_64
-    qemu_get_be64s(f, &env->efer);
-    qemu_get_be64s(f, &env->star);
-    qemu_get_be64s(f, &env->lstar);
-    qemu_get_be64s(f, &env->cstar);
-    qemu_get_be64s(f, &env->fmask);
-    qemu_get_be64s(f, &env->kernelgsbase);
-#endif
-    if (version_id >= 4) {
-        qemu_get_be32s(f, &env->smbase);
+static const VMStateDescription vmstate_steal_time_msr = {
+    .name = "cpu/steal_time_msr",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(steal_time_msr, CPUX86State),
+        VMSTATE_END_OF_LIST()
     }
-    if (version_id >= 5) {
-        qemu_get_be64s(f, &env->pat);
-        qemu_get_be32s(f, &env->hflags2);
-        if (version_id < 6)
-            qemu_get_be32s(f, &env->halted);
-
-        qemu_get_be64s(f, &env->vm_hsave);
-        qemu_get_be64s(f, &env->vm_vmcb);
-        qemu_get_be64s(f, &env->tsc_offset);
-        qemu_get_be64s(f, &env->intercept);
-        qemu_get_be16s(f, &env->intercept_cr_read);
-        qemu_get_be16s(f, &env->intercept_cr_write);
-        qemu_get_be16s(f, &env->intercept_dr_read);
-        qemu_get_be16s(f, &env->intercept_dr_write);
-        qemu_get_be32s(f, &env->intercept_exceptions);
-        qemu_get_8s(f, &env->v_tpr);
+};
+
+static const VMStateDescription vmstate_async_pf_msr = {
+    .name = "cpu/async_pf_msr",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(env.async_pf_en_msr, X86CPU),
+        VMSTATE_END_OF_LIST()
     }
+};
 
-    if (version_id >= 8) {
-        /* MTRRs */
-        for(i = 0; i < 11; i++)
-            qemu_get_be64s(f, &env->mtrr_fixed[i]);
-        qemu_get_be64s(f, &env->mtrr_deftype);
-        for(i = 0; i < 8; i++) {
-            qemu_get_be64s(f, &env->mtrr_var[i].base);
-            qemu_get_be64s(f, &env->mtrr_var[i].mask);
-        }
+static const VMStateDescription vmstate_pv_eoi_msr = {
+    .name = "cpu/async_pv_eoi_msr",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(env.pv_eoi_en_msr, X86CPU),
+        VMSTATE_END_OF_LIST()
     }
+};
 
-    if (version_id >= 9) {
-        qemu_get_sbe32s(f, &env->pending_irq_vmstate);
-        qemu_get_be32s(f, &env->mp_state);
-        qemu_get_be64s(f, &env->tsc);
+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,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT16(env.fpop, X86CPU),
+        VMSTATE_UINT64(env.fpip, X86CPU),
+        VMSTATE_UINT64(env.fpdp, X86CPU),
+        VMSTATE_END_OF_LIST()
     }
+};
 
-    if (version_id >= 10) {
-        qemu_get_be64s(f, &env->mcg_cap);
-        qemu_get_be64s(f, &env->mcg_status);
-        qemu_get_be64s(f, &env->mcg_ctl);
-        for (i = 0; i < MCE_BANKS_DEF * 4; i++) {
-            qemu_get_be64s(f, &env->mce_banks[i]);
-        }
+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,
+    .minimum_version_id_old = 1,
+    .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;
 
-    if (version_id >= 11) {
-        qemu_get_be64s(f, &env->tsc_aux);
+    return env->tsc_deadline != 0;
+}
+
+static const VMStateDescription vmstate_msr_tscdeadline = {
+    .name = "cpu/msr_tscdeadline",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(env.tsc_deadline, X86CPU),
+        VMSTATE_END_OF_LIST()
     }
+};
 
-    tlb_flush(env, 1);
-    return 0;
+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 const VMStateDescription vmstate_msr_ia32_misc_enable = {
+    .name = "cpu/msr_ia32_misc_enable",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT64(env.msr_ia32_misc_enable, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+const VMStateDescription vmstate_x86_cpu = {
+    .name = "cpu",
+    .version_id = 12,
+    .minimum_version_id = 3,
+    .minimum_version_id_old = 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, CPU_NB_REGS),
+
+#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, 8, 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.ymmh_regs, X86CPU, CPU_NB_REGS, 12),
+        VMSTATE_END_OF_LIST()
+        /* The above list is not sorted /wrt version numbers, watch out! */
+    },
+    .subsections = (VMStateSubsection []) {
+        {
+            .vmsd = &vmstate_async_pf_msr,
+            .needed = async_pf_msr_needed,
+        } , {
+            .vmsd = &vmstate_pv_eoi_msr,
+            .needed = pv_eoi_msr_needed,
+        } , {
+            .vmsd = &vmstate_steal_time_msr,
+            .needed = steal_time_msr_needed,
+        } , {
+            .vmsd = &vmstate_fpop_ip_dp,
+            .needed = fpop_ip_dp_needed,
+        }, {
+            .vmsd = &vmstate_msr_tsc_adjust,
+            .needed = tsc_adjust_needed,
+        }, {
+            .vmsd = &vmstate_msr_tscdeadline,
+            .needed = tscdeadline_needed,
+        }, {
+            .vmsd = &vmstate_msr_ia32_misc_enable,
+            .needed = misc_enable_needed,
+        } , {
+            /* empty */
+        }
+    }
+};