static void *qemu_tcg_cpu_thread_fn(void *arg) { CPUArchState *env = arg; qemu_tcg_init_cpu_signals(); qemu_thread_get_self(env->thread); /* signal CPU creation */ qemu_mutex_lock(&qemu_global_mutex); for (env = first_cpu; env != NULL; env = env->next_cpu) { env->thread_id = qemu_get_thread_id(); env->created = 1; } qemu_cond_signal(&qemu_cpu_cond); /* wait for initial kick-off after machine start */ while (first_cpu->stopped) { qemu_cond_wait(tcg_halt_cond, &qemu_global_mutex); /* process any pending work */ for (env = first_cpu; env != NULL; env = env->next_cpu) { qemu_wait_io_event_common(env); } } while (1) { tcg_exec_all(); if (use_icount && qemu_clock_deadline(vm_clock) <= 0) { qemu_notify_event(); } qemu_tcg_wait_io_event(); } return NULL; }
static void *qemu_tcg_cpu_loop(struct uc_struct *uc) { CPUState *cpu = uc->cpu; //qemu_tcg_init_cpu_signals(); cpu->created = true; while (1) { if (tcg_exec_all(uc)) break; } cpu->created = false; return NULL; }
static void *qemu_tcg_cpu_thread_fn(void *arg) { CPUState *cpu = arg; qemu_tcg_init_cpu_signals(); qemu_thread_get_self(cpu->thread); qemu_mutex_lock(&qemu_global_mutex); qemu_for_each_cpu(tcg_signal_cpu_creation, NULL); qemu_cond_signal(&qemu_cpu_cond); /* wait for initial kick-off after machine start */ while (first_cpu->stopped) { qemu_cond_wait(tcg_halt_cond, &qemu_global_mutex); /* process any pending work */ for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) { qemu_wait_io_event_common(cpu); } } while (1) { tcg_exec_all(); if (use_icount) { int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL); if (deadline == 0) { qemu_clock_notify(QEMU_CLOCK_VIRTUAL); } } qemu_tcg_wait_io_event(); } return NULL; }