Beispiel #1
0
bool cpu_exec_all(void)
{
    int r;

    /* Account partial waits to the vm_clock.  */
    qemu_clock_warp(vm_clock);

    if (next_cpu == NULL) {
        next_cpu = first_cpu;
    }
    for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) {
        CPUState *env = next_cpu;

        qemu_clock_enable(vm_clock,
                          (env->singlestep_enabled & SSTEP_NOTIMER) == 0);

        if (cpu_can_run(env)) {
            if (kvm_enabled()) {
                r = kvm_cpu_exec(env);
                qemu_kvm_eat_signals(env);
            } else {
                r = tcg_cpu_exec(env);
            }
            if (r == EXCP_DEBUG) {
                cpu_handle_guest_debug(env);
                break;
            }
        } else if (env->stop || env->stopped) {
            break;
        }
    }
    exit_request = 0;
    return !all_cpu_threads_idle();
}
static void qemu_kvm_wait_io_event(CPUState *env)
{
    while (cpu_thread_is_idle(env)) {
        qemu_cond_wait(env->halt_cond, &qemu_global_mutex);
    }

    qemu_kvm_eat_signals(env);
    qemu_wait_io_event_common(env);
}
Beispiel #3
0
static void qemu_kvm_wait_io_event(CPUArchState *env)
{
    CPUState *cpu = ENV_GET_CPU(env);

    while (cpu_thread_is_idle(env)) {
        qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
    }

    qemu_kvm_eat_signals(env);
    qemu_wait_io_event_common(cpu);
}
Beispiel #4
0
bool cpu_exec_all(void)
{
    int r;

    /* Account partial waits to the vm_clock.  */
    qemu_clock_warp(vm_clock);

    if (next_cpu == NULL) {
        next_cpu = first_cpu;
    }
    for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) {
        CPUState *env = next_cpu;

        qemu_clock_enable(vm_clock,
                          (env->singlestep_enabled & SSTEP_NOTIMER) == 0);

#ifndef CONFIG_IOTHREAD
        if (qemu_alarm_pending()) {
            break;
        }
#endif
        if (cpu_can_run(env)) {
            if (kvm_enabled()) {
                r = kvm_cpu_exec(env);
                qemu_kvm_eat_signals(env);
            } else {
                r = tcg_cpu_exec(env);
            }
            if (r == EXCP_TRIPLE) {
                cpu_dump_state(env, stderr, fprintf, 0);
                fprintf(stderr, "Triple fault.  Halting for inspection via"
                        " QEMU monitor.\n");
                if (gdbserver_running())
                    r = EXCP_DEBUG;
                else {
                    vm_stop(0);
                    break;
                }
            }
            if (r == EXCP_DEBUG) {
                cpu_handle_guest_debug(env);
                break;
            }
        } else if (env->stop || env->stopped) {
            break;
        }
    }
    exit_request = 0;
    return !all_cpu_threads_idle();
}