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timers: use DPCs to handle callbacks

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Matheus
2023-06-26 19:46:30 -03:00
parent 99a7eccbe4
commit e3bc7e8b8b
3 changed files with 16 additions and 10 deletions
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kernel-src/sys/scheduler.c
+3 -4
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@@ -297,9 +297,10 @@ vnode_t *sched_getroot() {
return getnodeslock(&proc->root);
}
static void timerhook(void *private, context_t *context) {
static void timerhook(context_t *context, dpcarg_t arg) {
thread_t* current = _cpu()->thread;
interrupt_set(false);
spinlock_acquire(&runqueuelock);
thread_t *next = runqueuenext(current->priority);
@@ -338,8 +339,6 @@ void sched_init() {
__assert(_cpu()->schedulerstack);
_cpu()->schedulerstack = (void *)((uintptr_t)_cpu()->schedulerstack + SCHEDULER_STACK_SIZE);
_cpu()->schedtimerentry.func = timerhook;
_cpu()->schedtimerentry.repeatus = QUANTUM_US;
SPINLOCK_INIT(runqueuelock);
_cpu()->idlethread = sched_newthread(cpuidlethread, PAGE_SIZE * 4, 3, NULL, NULL);
@@ -347,7 +346,7 @@ void sched_init() {
_cpu()->thread = sched_newthread(NULL, PAGE_SIZE * 32, 0, NULL, NULL);
__assert(_cpu()->thread);
timer_insert(_cpu()->timer, &_cpu()->schedtimerentry, QUANTUM_US);
timer_insert(_cpu()->timer, &_cpu()->schedtimerentry, timerhook, NULL, QUANTUM_US, true);
// XXX move this resume to a more appropriate place
timer_resume(_cpu()->timer);
}