int qemu_init_main_loop(void)
{
int ret;
sigset_t blocked_signals;
cpu_set_debug_excp_handler(cpu_debug_handler);
blocked_signals = block_io_signals();
ret = qemu_signalfd_init(blocked_signals);
if (ret)
return ret;
/* Note eventfd must be drained before signalfd handlers run */
ret = qemu_event_init();
if (ret)
return ret;
qemu_cond_init(&qemu_pause_cond);
qemu_cond_init(&qemu_system_cond);
qemu_mutex_init(&qemu_fair_mutex);
qemu_mutex_init(&qemu_global_mutex);
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_self(&io_thread);
return 0;
}
static void xtensa_cpu_initfn(Object *obj)
{
CPUState *cs = CPU(obj);
XtensaCPU *cpu = XTENSA_CPU(obj);
CPUXtensaState *env = &cpu->env;
static bool tcg_inited;
cs->env_ptr = env;
cpu_exec_init(env);
if (tcg_enabled() && !tcg_inited) {
tcg_inited = true;
xtensa_translate_init();
cpu_set_debug_excp_handler(xtensa_breakpoint_handler);
}
}
int qemu_init_main_loop(void)
{
int ret;
cpu_set_debug_excp_handler(cpu_debug_handler);
ret = qemu_event_init();
if (ret)
return ret;
qemu_cond_init(&qemu_pause_cond);
qemu_cond_init(&qemu_system_cond);
qemu_mutex_init(&qemu_fair_mutex);
qemu_mutex_init(&qemu_global_mutex);
qemu_mutex_lock(&qemu_global_mutex);
unblock_io_signals();
qemu_thread_self(&io_thread);
return 0;
}
CPUXtensaState *cpu_xtensa_init(const char *cpu_model)
{
static int tcg_inited;
static int debug_handler_inited;
XtensaCPU *cpu;
CPUXtensaState *env;
const XtensaConfig *config = NULL;
XtensaConfigList *core = xtensa_cores;
for (; core; core = core->next)
if (strcmp(core->config->name, cpu_model) == 0) {
config = core->config;
break;
}
if (config == NULL) {
return NULL;
}
cpu = XTENSA_CPU(object_new(TYPE_XTENSA_CPU));
env = &cpu->env;
env->config = config;
if (!tcg_inited) {
tcg_inited = 1;
xtensa_translate_init();
}
if (!debug_handler_inited && tcg_enabled()) {
debug_handler_inited = 1;
prev_debug_excp_handler =
cpu_set_debug_excp_handler(breakpoint_handler);
}
xtensa_irq_init(env);
qemu_init_vcpu(env);
return env;
}
int qemu_init_main_loop(void)
{
cpu_set_debug_excp_handler(cpu_debug_handler);
return qemu_event_init();
}
