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 *qemu_kvm_cpu_thread_fn(void *arg)
{
CPUArchState *env = arg;
CPUState *cpu = ENV_GET_CPU(env);
int r;
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
cpu_single_env = env;
r = kvm_init_vcpu(env);
if (r < 0) {
fprintf(stderr, "kvm_init_vcpu failed: %s\n", strerror(-r));
exit(1);
}
qemu_kvm_init_cpu_signals(env);
/* signal CPU creation */
cpu->created = true;
qemu_cond_signal(&qemu_cpu_cond);
while (1) {
if (cpu_can_run(cpu)) {
r = kvm_cpu_exec(env);
if (r == EXCP_DEBUG) {
cpu_handle_guest_debug(env);
}
}
qemu_kvm_wait_io_event(env);
}
return NULL;
}
bool tcg_cpu_exec(void)
{
int ret = 0;
if (next_cpu == NULL)
next_cpu = first_cpu;
for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
CPUState *env = cur_cpu = next_cpu;
qemu_clock_enable(vm_clock,
(cur_cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
if (qemu_alarm_pending())
break;
if (cpu_can_run(env))
ret = qemu_cpu_exec(env);
else if (env->stop)
break;
if (ret == EXCP_DEBUG) {
gdb_set_stop_cpu(env);
debug_requested = EXCP_DEBUG;
break;
}
}
return tcg_has_work();
}
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;
}
static void *kvm_cpu_thread_fn(void *arg)
{
CPUState *env = arg;
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_self(env->thread);
if (kvm_enabled())
kvm_init_vcpu(env);
kvm_init_ipi(env);
/* signal CPU creation */
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) {
if (cpu_can_run(env))
qemu_cpu_exec(env);
qemu_kvm_wait_io_event(env);
}
return NULL;
}
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_cpu_thread_fn(void *arg)
{
CPUState *env = arg;
int r;
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_get_self(env->thread);
env->thread_id = qemu_get_thread_id();
r = kvm_init_vcpu(env);
if (r < 0) {
fprintf(stderr, "kvm_init_vcpu failed: %s\n", strerror(-r));
exit(1);
}
qemu_kvm_init_cpu_signals(env);
/* signal CPU creation */
env->created = 1;
qemu_cond_signal(&qemu_cpu_cond);
// TLC profiling
tlc_cpu_profile_init(env);
while (1) {
if (cpu_can_run(env)) {
r = kvm_cpu_exec(env);
if (r == EXCP_DEBUG) {
cpu_handle_guest_debug(env);
}
}
qemu_kvm_wait_io_event(env);
}
return NULL;
}
bool cpu_exec_all (void)
{
static int i = 0;
if (next_cpu == NULL) {
next_cpu = first_cpu;
i = 0;
}
for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu, i++) {
CPUState *env = next_cpu;
rr_run = env->kvm_run;
cpu_number = i;
qemu_clock_enable(vm_clock,
(env->singlestep_enabled & SSTEP_NOTIMER) == 0);
if (qemu_alarm_pending())
break;
if (cpu_can_run(env)) {
if (qemu_cpu_exec(env) == EXCP_DEBUG) {
break;
}
} else if (env->stop) {
break;
}
}
exit_request = 0;
return any_cpu_has_work();
}
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();
}
bool cpu_exec_all(void)
{
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 (qemu_alarm_pending())
break;
if (cpu_can_run(env)) {
if (qemu_cpu_exec(env) == EXCP_DEBUG) {
break;
}
} else if (env->stop) {
#ifdef MARSS_QEMU
continue; /* Let other CPUS execute */
#else
break;
#endif
}
#ifdef MARSS_QEMU
if (in_simulation)
/* No need to run for other cpus */
break;
#endif
}
#ifdef MARSS_QEMU
if (!any_cpu_has_work()) {
/* All CPUs are paused, call ptl_simpoint reached
* to check if we need to switch to simulation or not */
ptl_simpoint_reached(0);
}
#endif
exit_request = 0;
return any_cpu_has_work();
}
void tcg_cpu_exec(void)
{
int ret = 0;
if (next_cpu == NULL)
next_cpu = first_cpu;
for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
CPUState *env = cur_cpu = next_cpu;
if (!vm_running)
break;
if (qemu_timer_alarm_pending()) {
break;
}
if (cpu_can_run(env))
ret = qemu_cpu_exec(env);
if (ret == EXCP_DEBUG) {
gdb_set_stop_cpu(env);
debug_requested = 1;
break;
}
}
}
