static void tcg_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) {
CPUArchState *env = next_cpu;
CPUState *cpu = ENV_GET_CPU(env);
qemu_clock_enable(vm_clock,
(env->singlestep_enabled & SSTEP_NOTIMER) == 0);
if (cpu_can_run(cpu)) {
r = tcg_cpu_exec(env);
if (r == EXCP_DEBUG) {
cpu_handle_guest_debug(env);
break;
}
} else if (cpu->stop || cpu->stopped) {
break;
}
}
exit_request = 0;
}
static void tcg_exec_all(void)
{
int r;
/* Account partial waits to QEMU_CLOCK_VIRTUAL. */
qemu_clock_warp(QEMU_CLOCK_VIRTUAL);
if (next_cpu == NULL) {
next_cpu = first_cpu;
}
for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) {
CPUState *cpu = next_cpu;
CPUArchState *env = cpu->env_ptr;
qemu_clock_enable(QEMU_CLOCK_VIRTUAL,
(cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
if (cpu_can_run(cpu)) {
r = tcg_cpu_exec(env);
if (r == EXCP_DEBUG) {
cpu_handle_guest_debug(cpu);
break;
}
} else if (cpu->stop || cpu->stopped) {
break;
}
}
exit_request = 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();
}
void main_loop(void)
{
int r;
#ifdef CONFIG_HAX
if (hax_enabled())
hax_sync_vcpus();
#endif
for (;;) {
do {
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
tcg_cpu_exec();
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
main_loop_wait(qemu_calculate_timeout());
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
qemu_log_rotation_poll();
} while (vm_can_run());
if (qemu_debug_requested())
vm_stop(EXCP_DEBUG);
if (qemu_shutdown_requested()) {
if (no_shutdown) {
vm_stop(0);
no_shutdown = 0;
} else {
if (savevm_on_exit != NULL) {
/* Prior to saving VM to the snapshot file, save HW config
* settings for that VM, so we can match them when VM gets
* loaded from the snapshot. */
snaphost_save_config(savevm_on_exit);
do_savevm(cur_mon, savevm_on_exit);
}
break;
}
}
if (qemu_reset_requested()) {
pause_all_vcpus();
qemu_system_reset();
resume_all_vcpus();
}
if (qemu_powerdown_requested())
qemu_system_powerdown();
if ((r = qemu_vmstop_requested()))
vm_stop(r);
}
pause_all_vcpus();
}
static bool tcg_exec_all(struct uc_struct* uc)
{
int r;
bool finish = false;
while (!uc->exit_request) {
CPUState *cpu = uc->cpu;
CPUArchState *env = cpu->env_ptr;
//qemu_clock_enable(QEMU_CLOCK_VIRTUAL,
// (cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
if (cpu_can_run(cpu)) {
uc->quit_request = false;
r = tcg_cpu_exec(uc, env);
// quit current TB but continue emulating?
if (uc->quit_request) {
// reset stop_request
uc->stop_request = false;
} else if (uc->stop_request) {
//printf(">>> got STOP request!!!\n");
finish = true;
break;
}
// save invalid memory access error & quit
if (env->invalid_error) {
// printf(">>> invalid memory accessed, STOP = %u!!!\n", env->invalid_error);
uc->invalid_addr = env->invalid_addr;
uc->invalid_error = env->invalid_error;
finish = true;
break;
}
// printf(">>> stop with r = %x, HLT=%x\n", r, EXCP_HLT);
if (r == EXCP_DEBUG) {
cpu_handle_guest_debug(cpu);
break;
}
if (r == EXCP_HLT) {
//printf(">>> got HLT!!!\n");
finish = true;
break;
}
} else if (cpu->stop || cpu->stopped) {
printf(">>> got stopped!!!\n");
break;
}
}
uc->exit_request = 0;
return finish;
}
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();
}
static void *tcg_cpu_thread_fn(void *arg)
{
CPUState *env = arg;
block_io_signals();
qemu_thread_self(env->thread);
/* signal CPU creation */
qemu_mutex_lock(&qemu_global_mutex);
for (env = first_cpu; env != NULL; env = env->next_cpu)
env->created = 1;
qemu_cond_signal(&qemu_cpu_cond);
/* and wait for machine initialization */
while (!qemu_system_ready)
qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
while (1) {
tcg_cpu_exec();
qemu_wait_io_event(cur_cpu);
}
return NULL;
}