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timekeeper: redo timekeeping

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Matheus
2024-09-29 11:20:40 -03:00
parent bb910d9e20
commit b8acbc5bcd
12 changed files with 280 additions and 96 deletions
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kernel-src/arch/x86-64/smp.c
+8 -1
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@@ -21,6 +21,8 @@ static void cpuwakeuphalt(struct limine_smp_info *info) {
for (;;) CPU_HALT();
}
static time_t us_offset;
static void cpuwakeup(struct limine_smp_info *info) {
cpu_set((cpu_t *)info->extra_argument);
@@ -31,11 +33,14 @@ static void cpuwakeup(struct limine_smp_info *info) {
arch_mmu_apswitch();
vmm_apinit();
timekeeper_early_init(us_offset);
cpu_initstate();
arch_apic_timerinit();
__atomic_add_fetch(&arch_smp_cpusawake, 1, __ATOMIC_SEQ_CST);
timekeeper_init();
__atomic_add_fetch(&arch_smp_cpusawake, 1, __ATOMIC_SEQ_CST);
sched_ap_entry();
}
@@ -72,6 +77,8 @@ void arch_smp_wakeup() {
void (*wakeupfn)(struct limine_smp_info *) = cmdline_get("nosmp") ? cpuwakeuphalt : cpuwakeup;
us_offset = timespec_us(timekeeper_timefromboot());
// make the other processors jump to cpuwakeup()
for (int i = 0; i < response->cpu_count; ++i) {
// skip the bootstrap processor