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kernel: rework init

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Matheus
2025-08-14 20:25:43 -03:00
parent fb6cbe49d7
commit 607566531d
41 changed files with 268 additions and 164 deletions
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kernel-src/sys/timekeeper.c
+8 -5
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@@ -4,6 +4,7 @@
#include <mutex.h>
#include <limine.h>
#include <logging.h>
#include <kernel/init.h>
static volatile struct limine_boot_time_request timereq = {
.id = LIMINE_BOOT_TIME_REQUEST,
@@ -106,6 +107,8 @@ void timekeeper_sync(void) {
MUTEX_RELEASE(&sync_mutex);
}
INIT_ROUTINE_DEFINE(sync_cpu_time, INIT_ROUTINE_FLAGS_NONE, timekeeper_sync, smp, timekeeper);
extern timekeeper_source_t *timekeeper_sources;
extern timekeeper_source_t *timekeeper_sources_end;
@@ -130,7 +133,7 @@ void timekeeper_wait_us(time_t us) {
CPU_PAUSE();
}
void timekeeper_early_init(time_t us_offset) {
void timekeeper_early_init(void) {
__assert(timereq.response);
boot_unix = timereq.response->boot_time;
@@ -151,14 +154,12 @@ void timekeeper_early_init(time_t us_offset) {
current_cpu()->timekeeper_source_info = early_source_info;
current_cpu()->timekeeper_source = early_source;
// this tick offset is to account for any possible time before early_init.
// for example, on SMP init the early init will have the time passed on the ap as an offset
current_cpu()->timekeeper_source_tick_offset = us_offset * early_source_info->hz / 1000000;
printf("cpu%d: timekeeper: \"%s\" selected as early source. %lu ticks at early init (%lu hz)\n",
current_cpu_id(), early_source->name, current_cpu()->timekeeper_source_base_ticks, early_source_info->hz);
}
INIT_ROUTINE_DEFINE(timekeeper_early, INIT_ROUTINE_FLAGS_NONE, timekeeper_early_init, arch_irq);
// this will do a re-init per cpu
// the initialization threads will not switch cpus so we dont have to worry about it here
void timekeeper_init(void) {
@@ -197,3 +198,5 @@ void timekeeper_init(void) {
printf("cpu%d: timekeeper: \"%s\" selected as main source. %lu ticks at init (%lu hz)\n",
current_cpu_id(), new_source->name, current_cpu()->timekeeper_source_base_ticks, new_source_info->hz);
}
INIT_ROUTINE_DEFINE(timekeeper, INIT_ROUTINE_FLAGS_NONE, timekeeper_init, scheduler);