#include "hw/hw.h"
#include "hw/boards.h"
-#include "hw/pc.h"
-#include "hw/isa.h"
-
-#include "exec-all.h"
-
-void register_machines(void)
-{
- qemu_register_machine(&pc_machine);
- qemu_register_machine(&isapc_machine);
-}
-
-static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
-{
- qemu_put_be32(f, dt->selector);
- qemu_put_betl(f, dt->base);
- qemu_put_be32(f, dt->limit);
- qemu_put_be32(f, dt->flags);
-}
+#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,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT32(selector, SegmentCache),
+ VMSTATE_UINTTL(base, SegmentCache),
+ VMSTATE_UINT32(limit, SegmentCache),
+ VMSTATE_UINT32(flags, SegmentCache),
+ VMSTATE_END_OF_LIST()
+ }
+};
-static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
-{
- dt->selector = qemu_get_be32(f);
- dt->base = qemu_get_betl(f);
- dt->limit = qemu_get_be32(f);
- dt->flags = qemu_get_be32(f);
+#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)) \
}
-void cpu_save(QEMUFile *f, void *opaque)
-{
- CPUState *env = opaque;
- uint16_t fptag, fpus, fpuc, fpregs_format;
- uint32_t hflags;
- int32_t a20_mask;
- int i;
-
- 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);
- hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
- qemu_put_be32s(f, &hflags);
-
- /* FPU */
- fpuc = env->fpuc;
- fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
- fptag = 0;
- for(i = 0; i < 8; i++) {
- fptag |= ((!env->fptags[i]) << i);
+#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,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT64(XMM_Q(0), XMMReg),
+ VMSTATE_UINT64(XMM_Q(1), XMMReg),
+ VMSTATE_END_OF_LIST()
}
+};
- qemu_put_be16s(f, &fpuc);
- qemu_put_be16s(f, &fpus);
- qemu_put_be16s(f, &fptag);
-
-#ifdef USE_X86LDOUBLE
- fpregs_format = 0;
-#else
- fpregs_format = 1;
-#endif
- qemu_put_be16s(f, &fpregs_format);
+#define VMSTATE_XMM_REGS(_field, _state, _n) \
+ VMSTATE_STRUCT_ARRAY(_field, _state, _n, 0, vmstate_xmm_reg, XMMReg)
+
+/* 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 < 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
+#define VMSTATE_YMMH_REGS_VARS(_field, _state, _n, _v) \
+ VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_ymmh_reg, XMMReg)
+
+static const VMStateDescription vmstate_bnd_regs = {
+ .name = "bnd_regs",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(lb, BNDReg),
+ VMSTATE_UINT64(ub, BNDReg),
+ 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 */
- a20_mask = (int32_t) env->a20_mask;
- qemu_put_sbe32s(f, &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_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,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT64(base, MTRRVar),
+ VMSTATE_UINT64(mask, MTRRVar),
+ VMSTATE_END_OF_LIST()
}
+};
-#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);
+#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);
}
-#ifdef USE_X86LDOUBLE
/* XXX: add that in a FPU generic layer */
union x86_longdouble {
uint64_t mant;
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
-int cpu_load(QEMUFile *f, void *opaque, int version_id)
+static void cpu_pre_save(void *opaque)
{
- CPUState *env = opaque;
- int i, guess_mmx;
- uint32_t hflags;
- uint16_t fpus, fpuc, fptag, fpregs_format;
- int32_t a20_mask;
-
- if (version_id != 3 && version_id != 4 && version_id != 5
- && version_id != 6 && version_id != 7)
- 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, &hflags);
-
- qemu_get_be16s(f, &fpuc);
- qemu_get_be16s(f, &fpus);
- qemu_get_be16s(f, &fptag);
- qemu_get_be16s(f, &fpregs_format);
-
- /* 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 = ((fptag == 0xff) && (fpus & 0x3800) == 0);
+ 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++) {
- uint64_t mant;
- uint16_t exp;
-
- switch(fpregs_format) {
- 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;
- }
+ 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;
+ 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);
}
- env->fpuc = fpuc;
/* XXX: restore FPU round state */
- env->fpstt = (fpus >> 11) & 7;
- env->fpus = fpus & ~0x3800;
- fptag ^= 0xff;
+ 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] = (fptag >> i) & 1;
+ env->fptags[i] = (env->fptag_vmstate >> i) & 1;
+ }
+
+ cpu_breakpoint_remove_all(env, BP_CPU);
+ cpu_watchpoint_remove_all(env, BP_CPU);
+ for (i = 0; i < DR7_MAX_BP; i++) {
+ hw_breakpoint_insert(env, i);
}
+ tlb_flush(env, 1);
+
+ 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;
- 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.steal_time_msr != 0;
+}
+
+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(env.steal_time_msr, X86CPU),
+ VMSTATE_END_OF_LIST()
}
+};
- 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 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()
+ }
+};
+
+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()
+ }
+};
- for(i = 0; i < 8; i++)
- qemu_get_betls(f, &env->dr[i]);
+static bool fpop_ip_dp_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
- /* MMU */
- qemu_get_sbe32s(f, &a20_mask);
- env->a20_mask = a20_mask;
+ return env->fpop != 0 || env->fpip != 0 || env->fpdp != 0;
+}
- 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));
+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()
}
+};
-#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 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()
}
- 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 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,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT64(env.tsc_deadline, X86CPU),
+ VMSTATE_END_OF_LIST()
}
- /* XXX: ensure compatiblity for halted bit ? */
- /* XXX: compute redundant hflags bits */
- env->hflags = hflags;
- 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 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,
+ .minimum_version_id_old = 1,
+ .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,
+ .minimum_version_id_old = 1,
+ .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,
+ .minimum_version_id_old = 1,
+ .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,
+ .minimum_version_id_old = 1,
+ .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,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT64(env.msr_hv_hypercall, X86CPU),
+ VMSTATE_UINT64(env.msr_hv_guest_os_id, 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,
+ .minimum_version_id_old = 1,
+ .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,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT64(env.msr_hv_tsc, 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,
+ }, {
+ .vmsd = &vmstate_msr_ia32_feature_control,
+ .needed = feature_control_needed,
+ }, {
+ .vmsd = &vmstate_msr_architectural_pmu,
+ .needed = pmu_enable_needed,
+ } , {
+ .vmsd = &vmstate_mpx,
+ .needed = mpx_needed,
+ }, {
+ .vmsd = &vmstate_msr_hypercall_hypercall,
+ .needed = hyperv_hypercall_enable_needed,
+ }, {
+ .vmsd = &vmstate_msr_hyperv_vapic,
+ .needed = hyperv_vapic_enable_needed,
+ }, {
+ .vmsd = &vmstate_msr_hyperv_time,
+ .needed = hyperv_time_enable_needed,
+ } , {
+ /* empty */
+ }
+ }
+};
projects / qemu.git / blobdiff