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[zion] Move all APIC functions into a global class.

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This commit is contained in:
Drew Galbraith 2023-08-01 22:26:29 -07:00
parent f8de60e2dd
commit 35b1844862
7 changed files with 161 additions and 87 deletions
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14
zion/interrupt/apic_timer.cpp
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@ -17,26 +17,26 @@ void ApicTimer::Init() {
void ApicTimer::StartCalibration() {
SetFrequency(100);
SetLocalTimer(0xFFFFFFFF, 0);
UnmaskPit();
gApic->InitializeLocalTimer(0xFFFFFFFF, Apic::ONESHOT);
gApic->UnmaskPit();
}
void ApicTimer::Calibrate() {
if (calibration_.initial_measurement == 0) {
calibration_.initial_measurement = GetLocalTimer();
calibration_.initial_measurement = gApic->GetLocalTimerValue();
return;
}
calibration_.tick_count++;
if (calibration_.tick_count == 10) {
calculated_frequency_ =
10 * (calibration_.initial_measurement - GetLocalTimer());
10 * (calibration_.initial_measurement - gApic->GetLocalTimerValue());
FinishCalibration();
}
}
void ApicTimer::FinishCalibration() {
MaskPit();
SetLocalTimer(calculated_frequency_ / kScheduleFrequency,
LAPIC_TIMER_PERIODIC);
gApic->MaskPit();
gApic->InitializeLocalTimer(calculated_frequency_ / kScheduleFrequency,
Apic::PERIODIC);
}