Пример #1
0
void cpu_save(QEMUFile *f, void *opaque)
{
    CPUState *env = opaque;
    uint16_t fptag, fpus, fpuc, fpregs_format;
    uint32_t hflags;
    int32_t a20_mask;
    int32_t pending_irq;
    int i, bit;

    if (kvm_enabled()) {
        kvm_save_registers(env);
        kvm_arch_save_mpstate(env);
    }

    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);
    }

    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);

    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
    }

    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));
    }

#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);
    }

    /* KVM-related states */

    /* 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). */
    pending_irq = -1;
    for (i = 0; i < ARRAY_SIZE(env->interrupt_bitmap); i++) {
        if (env->interrupt_bitmap[i]) {
            bit = ctz64(env->interrupt_bitmap[i]);
            pending_irq = i * 64 + bit;
            break;
        }
    }
    qemu_put_sbe32s(f, &pending_irq);
    qemu_put_be32s(f, &env->mp_state);
    qemu_put_be64s(f, &env->tsc);

    /* MCE */
    qemu_put_be64s(f, &env->mcg_cap);
    if (env->mcg_cap && !kvm_enabled()) {
        qemu_put_be64s(f, &env->mcg_status);
        qemu_put_be64s(f, &env->mcg_ctl);
        for (i = 0; i < (env->mcg_cap & 0xff); i++) {
            qemu_put_be64s(f, &env->mce_banks[4*i]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 1]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 2]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 3]);
        }
    }
 }
Пример #2
0
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);
    }

    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);

    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
    }

    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));
    }

#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);
    }
}
Пример #3
0
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;

    cpu_synchronize_state(env, 0);

    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; 
    qemu_put_be32s(f, &hflags);

    
    fpuc = env->fpuc;
    fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
    fptag = 0;
    for(i = 0; i < 8; i++) {
        fptag |= ((!env->fptags[i]) << i);
    }

    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);

    for(i = 0; i < 8; i++) {
#ifdef USE_X86LDOUBLE
        {
            uint64_t mant;
            uint16_t exp;
            cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
            qemu_put_be64(f, mant);
            qemu_put_be16(f, exp);
        }
#else
        qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
#endif
    }

    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]);

    
    a20_mask = (int32_t) env->a20_mask;
    qemu_put_sbe32s(f, &a20_mask);

    
    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));
    }

#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);

    
    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);
    }

    for (i = 0; i < sizeof(env->interrupt_bitmap)/8; i++) {
        qemu_put_be64s(f, &env->interrupt_bitmap[i]);
    }
    qemu_put_be64s(f, &env->tsc);
    qemu_put_be32s(f, &env->mp_state);

    
    qemu_put_be64s(f, &env->mcg_cap);
    if (env->mcg_cap) {
        qemu_put_be64s(f, &env->mcg_status);
        qemu_put_be64s(f, &env->mcg_ctl);
        for (i = 0; i < (env->mcg_cap & 0xff); i++) {
            qemu_put_be64s(f, &env->mce_banks[4*i]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 1]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 2]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 3]);
        }
    }
}