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scheduler: little bit of cleanup

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Matheus
2025-08-20 22:15:09 -03:00
parent 136c86354c
commit c024e1abb7
5 changed files with 5 additions and 7 deletions
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kernel-src/include/bitmap.h
+1 -1
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@@ -10,7 +10,7 @@ typedef struct {
int bitmap_init(bitmap_t *bitmap, size_t size); int bitmap_init(bitmap_t *bitmap, size_t size);
void bitmap_set(bitmap_t *bitmap, long idx, int v); void bitmap_set(bitmap_t *bitmap, long idx, int v);
long bitmap_find_first_set(bitmap_t *bitmap, long start_offset); long bitmap_find_first_set(bitmap_t *bitmap);
#endif #endif
kernel-src/include/x86-64/arch/cpu.h
-1
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@@ -55,7 +55,6 @@ typedef struct cpu_t {
sched_run_queue_t idle_queue; sched_run_queue_t idle_queue;
spinlock_t sched_lock; spinlock_t sched_lock;
long calendar_ticks;
timerentry_t calendar_tick_timer_entry; timerentry_t calendar_tick_timer_entry;
// architecture specific, does not need to be exposed // architecture specific, does not need to be exposed
kernel-src/lib/bitmap.c
+2 -3
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@@ -22,13 +22,12 @@ void bitmap_set(bitmap_t *bitmap, long idx, int v) {
bitmap->data[idx / sizeof(*bitmap->data)] &= ~bit; bitmap->data[idx / sizeof(*bitmap->data)] &= ~bit;
} }
// TODO fix start offset search long bitmap_find_first_set(bitmap_t *bitmap) {
long bitmap_find_first_set(bitmap_t *bitmap, long start_offset) {
size_t loop_size = ROUND_UP(bitmap->size, sizeof(*bitmap->data)) / sizeof(*bitmap->data); size_t loop_size = ROUND_UP(bitmap->size, sizeof(*bitmap->data)) / sizeof(*bitmap->data);
long offset = -1; long offset = -1;
for (size_t i = start_offset; i < loop_size; ++i) { for (size_t i = 0; i < loop_size; ++i) {
if (bitmap->data[i] == 0) if (bitmap->data[i] == 0)
continue; continue;
kernel-src/sys/scheduler/queue.c
+1 -1
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@@ -32,7 +32,7 @@ static void insert_in_run_queue(sched_run_queue_t *run_queue, thread_t *thread)
} }
static thread_t *pop_from_run_queue(sched_run_queue_t *run_queue) { static thread_t *pop_from_run_queue(sched_run_queue_t *run_queue) {
long idx = bitmap_find_first_set(&run_queue->thread_bitmap, 0); long idx = bitmap_find_first_set(&run_queue->thread_bitmap);
if (idx == -1) if (idx == -1)
return NULL; return NULL;
kernel-src/sys/scheduler/scheduler.c
+1 -1
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@@ -363,7 +363,7 @@ void sched_ap_entry() {
__assert(current_cpu()->reschedule_isr); __assert(current_cpu()->reschedule_isr);
timer_insert(current_cpu()->timer, &current_cpu()->schedtimerentry, reschedule_timer_dpc, NULL, QUANTUM_US, true); timer_insert(current_cpu()->timer, &current_cpu()->schedtimerentry, reschedule_timer_dpc, NULL, QUANTUM_US, true);
timer_insert(current_cpu()->timer, &current_cpu()->calendar_tick_timer_entry, sched_calendar_tick, NULL, 1000, true); timer_insert(current_cpu()->timer, &current_cpu()->calendar_tick_timer_entry, sched_calendar_tick, NULL, 10000, true);
timer_resume(current_cpu()->timer); timer_resume(current_cpu()->timer);
sched_stop_current_thread(); sched_stop_current_thread();
} }