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-rw-r--r--Kernel/Time/APICTimer.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Kernel/Time/APICTimer.cpp b/Kernel/Time/APICTimer.cpp
index 8488949794..96d792bf77 100644
--- a/Kernel/Time/APICTimer.cpp
+++ b/Kernel/Time/APICTimer.cpp
@@ -112,7 +112,7 @@ bool APICTimer::calibrate(HardwareTimerBase& calibration_source)
disable_local_timer();
- auto delta_apic_count = end_apic_count - start_apic_count;
+ auto delta_apic_count = start_apic_count - end_apic_count; // The APIC current count register decrements!
m_timer_period = (delta_apic_count * apic.get_timer_divisor()) / ticks_in_100ms;
auto apic_freq = (delta_apic_count * apic.get_timer_divisor()) / apic.get_timer_divisor();