RGBCube/serenity
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3 commits

Author SHA1 Message Date
Tom
d076b00248 Kernel: Fix APIC timer frequency 
The APIC current count register decrements on each clock tick.
Fixes the APIC timer firing much less frequently than it should be.
 2020-10-29 22:10:20 +01:00
Tom
8c764319ad Kernel: Various APIC timer fixes 2020-10-26 08:57:25 +01:00
Tom
fe615e601a Kernel: Set up and calibrate APIC timer, and enable timer on all CPUs 
This enables the APIC timer on all CPUs, which means Scheduler::timer_tick
is now called on all CPUs independently. We still don't do anything on
the APs as it instantly crashes due to a number of other problems.
 2020-10-25 21:18:35 +01:00