Exemple #1
0
int kvm_arch_get_registers(CPUState *env)
{
    struct kvm_regs regs;
    struct kvm_sregs sregs;
    uint32_t i, ret;

    ret = kvm_vcpu_ioctl(env, KVM_GET_REGS, &regs);
    if (ret < 0)
        return ret;

    ret = kvm_vcpu_ioctl(env, KVM_GET_SREGS, &sregs);
    if (ret < 0)
        return ret;

    env->ctr = regs.ctr;
    env->lr = regs.lr;
    env->xer = regs.xer;
    env->msr = regs.msr;
    env->nip = regs.pc;

    env->spr[SPR_SRR0] = regs.srr0;
    env->spr[SPR_SRR1] = regs.srr1;

    env->spr[SPR_SPRG0] = regs.sprg0;
    env->spr[SPR_SPRG1] = regs.sprg1;
    env->spr[SPR_SPRG2] = regs.sprg2;
    env->spr[SPR_SPRG3] = regs.sprg3;
    env->spr[SPR_SPRG4] = regs.sprg4;
    env->spr[SPR_SPRG5] = regs.sprg5;
    env->spr[SPR_SPRG6] = regs.sprg6;
    env->spr[SPR_SPRG7] = regs.sprg7;

    for (i = 0; i < 32; i++)
        env->gpr[i] = regs.gpr[i];

#ifdef KVM_CAP_PPC_SEGSTATE
    if (kvm_check_extension(env->kvm_state, KVM_CAP_PPC_SEGSTATE)) {
        env->sdr1 = sregs.u.s.sdr1;

        /* Sync SLB */
#ifdef TARGET_PPC64
        for (i = 0; i < 64; i++) {
            ppc_store_slb(env, sregs.u.s.ppc64.slb[i].slbe,
                          sregs.u.s.ppc64.slb[i].slbv);
        }
#endif

        /* Sync SRs */
        for (i = 0; i < 16; i++) {
            env->sr[i] = sregs.u.s.ppc32.sr[i];
        }

        /* Sync BATs */
        for (i = 0; i < 8; i++) {
            env->DBAT[0][i] = sregs.u.s.ppc32.dbat[i] & 0xffffffff;
            env->DBAT[1][i] = sregs.u.s.ppc32.dbat[i] >> 32;
            env->IBAT[0][i] = sregs.u.s.ppc32.ibat[i] & 0xffffffff;
            env->IBAT[1][i] = sregs.u.s.ppc32.ibat[i] >> 32;
        }
    }
Exemple #2
0
static int slb_post_load(void *opaque, int version_id)
{
    PowerPCCPU *cpu = opaque;
    CPUPPCState *env = &cpu->env;
    int i;

    /* We've pulled in the raw esid and vsid values from the migration
     * stream, but we need to recompute the page size pointers */
    for (i = 0; i < env->slb_nr; i++) {
        if (ppc_store_slb(cpu, i, env->slb[i].esid, env->slb[i].vsid) < 0) {
            /* Migration source had bad values in its SLB */
            return -1;
        }
    }

    return 0;
}