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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.
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14 changed files with 478 additions and 70 deletions
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@ -52,7 +52,7 @@ namespace Kernel {
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#define BASE_FREQUENCY 1193182
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class PIT final : public HardwareTimer {
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class PIT final : public HardwareTimer<IRQHandler> {
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public:
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static NonnullRefPtr<PIT> initialize(Function<void(const RegisterState&)>);
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virtual HardwareTimerType timer_type() const override { return HardwareTimerType::i8253; }
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