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/vbox/src/VBox/Devices/EFI/Firmware/PcAtChipsetPkg/HpetTimerDxe/
H A DHpetTimer.c302 UINT64 Comparator; local
339 Comparator = (mPreviousComparator + mTimerCount) & mCounterMask;
341 if ((mPreviousMainCounter < MainCounter) && (mPreviousComparator > Comparator)) {
345 HpetWrite (HPET_TIMER_COMPARATOR_OFFSET + mTimerIndex * HPET_TIMER_STRIDE, Comparator);
346 } else if ((mPreviousMainCounter > MainCounter) && (mPreviousComparator < Comparator)) {
355 if (Comparator > MainCounter) {
356 HpetWrite (HPET_TIMER_COMPARATOR_OFFSET + mTimerIndex * HPET_TIMER_STRIDE, Comparator);
562 // Program the HPET Comparator with the number of ticks till the next interrupt

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