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[zion] Move more initialization into the ApicTimer class.

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This commit is contained in:
Drew Galbraith 2023-08-01 21:48:20 -07:00
parent d99624daf6
commit f8de60e2dd
3 changed files with 12 additions and 11 deletions
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7
zion/interrupt/apic_timer.cpp
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@ -4,11 +4,15 @@
#include "interrupt/apic.h"
#include "interrupt/timer.h"
const uint32_t kScheduleFrequency = 20;
ApicTimer* gApicTimer = nullptr;
void ApicTimer::Init() {
gApicTimer = new ApicTimer();
gApicTimer->StartCalibration();
asm("sti;");
gApicTimer->WaitCalibration();
asm("cli;");
}
void ApicTimer::StartCalibration() {
@ -33,5 +37,6 @@ void ApicTimer::Calibrate() {
void ApicTimer::FinishCalibration() {
MaskPit();
SetLocalTimer(calculated_frequency_ / 20, LAPIC_TIMER_PERIODIC);
SetLocalTimer(calculated_frequency_ / kScheduleFrequency,
LAPIC_TIMER_PERIODIC);
}