Exemple #1
0
unsigned int s390_cpu_set_state(uint8_t cpu_state, S390CPU *cpu)
 {
    trace_cpu_set_state(CPU(cpu)->cpu_index, cpu_state);

    switch (cpu_state) {
    case CPU_STATE_STOPPED:
    case CPU_STATE_CHECK_STOP:
        /* halt the cpu for common infrastructure */
        s390_cpu_halt(cpu);
        break;
    case CPU_STATE_OPERATING:
    case CPU_STATE_LOAD:
        /* unhalt the cpu for common infrastructure */
        s390_cpu_unhalt(cpu);
        break;
    default:
        error_report("Requested CPU state is not a valid S390 CPU state: %u",
                     cpu_state);
        exit(1);
    }
    if (kvm_enabled() && cpu->env.cpu_state != cpu_state) {
        kvm_s390_set_cpu_state(cpu, cpu_state);
    }
    cpu->env.cpu_state = cpu_state;

    return s390_count_running_cpus();
}
Exemple #2
0
static int cpu_post_load(void *opaque, int version_id)
{
    S390CPU *cpu = opaque;

    /*
     * As the cpu state is pushed to kvm via kvm_set_mp_state rather
     * than via cpu_synchronize_state, we need update kvm here.
     */
    if (kvm_enabled()) {
        kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state);
        return kvm_s390_vcpu_interrupt_post_load(cpu);
    }

    return 0;
}
Exemple #3
0
static int cpu_post_load(void *opaque, int version_id)
{
    S390CPU *cpu = opaque;

    /*
     * As the cpu state is pushed to kvm via kvm_set_mp_state rather
     * than via cpu_synchronize_state, we need update kvm here.
     */
    if (kvm_enabled()) {
        kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state);
        return kvm_s390_vcpu_interrupt_post_load(cpu);
    }

    if (tcg_enabled()) {
        /* Rearm the CKC timer if necessary */
        tcg_s390_tod_updated(CPU(cpu), RUN_ON_CPU_NULL);
    }

    return 0;
}