Revision fed6c344
| b/vl.c | ||
|---|---|---|
| 3383 | 3383 |
static void block_io_signals(void); |
| 3384 | 3384 |
static void unblock_io_signals(void); |
| 3385 | 3385 |
static int tcg_has_work(void); |
| 3386 |
static int cpu_has_work(CPUState *env); |
|
| 3386 | 3387 |
|
| 3387 | 3388 |
static int qemu_init_main_loop(void) |
| 3388 | 3389 |
{
|
| ... | ... | |
| 3403 | 3404 |
return 0; |
| 3404 | 3405 |
} |
| 3405 | 3406 |
|
| 3407 |
static void qemu_wait_io_event_common(CPUState *env) |
|
| 3408 |
{
|
|
| 3409 |
if (env->stop) {
|
|
| 3410 |
env->stop = 0; |
|
| 3411 |
env->stopped = 1; |
|
| 3412 |
qemu_cond_signal(&qemu_pause_cond); |
|
| 3413 |
} |
|
| 3414 |
} |
|
| 3415 |
|
|
| 3406 | 3416 |
static void qemu_wait_io_event(CPUState *env) |
| 3407 | 3417 |
{
|
| 3408 | 3418 |
while (!tcg_has_work()) |
| ... | ... | |
| 3419 | 3429 |
qemu_mutex_unlock(&qemu_fair_mutex); |
| 3420 | 3430 |
|
| 3421 | 3431 |
qemu_mutex_lock(&qemu_global_mutex); |
| 3422 |
if (env->stop) {
|
|
| 3423 |
env->stop = 0; |
|
| 3424 |
env->stopped = 1; |
|
| 3425 |
qemu_cond_signal(&qemu_pause_cond); |
|
| 3426 |
} |
|
| 3432 |
qemu_wait_io_event_common(env); |
|
| 3433 |
} |
|
| 3434 |
|
|
| 3435 |
static void qemu_kvm_wait_io_event(CPUState *env) |
|
| 3436 |
{
|
|
| 3437 |
while (!cpu_has_work(env)) |
|
| 3438 |
qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); |
|
| 3439 |
|
|
| 3440 |
qemu_wait_io_event_common(env); |
|
| 3427 | 3441 |
} |
| 3428 | 3442 |
|
| 3429 | 3443 |
static int qemu_cpu_exec(CPUState *env); |
| ... | ... | |
| 3449 | 3463 |
while (1) {
|
| 3450 | 3464 |
if (cpu_can_run(env)) |
| 3451 | 3465 |
qemu_cpu_exec(env); |
| 3452 |
qemu_wait_io_event(env); |
|
| 3466 |
qemu_kvm_wait_io_event(env);
|
|
| 3453 | 3467 |
} |
| 3454 | 3468 |
|
| 3455 | 3469 |
return NULL; |
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