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Kernel/Interrupts: Return boolean on whether we handled the interrupt
If we are in a shared interrupt handler, the called handlers might indicate it was not their interrupt, so we should not increment the call counter of these handlers.
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43 changed files with 125 additions and 71 deletions
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@ -27,10 +27,11 @@ RealTimeClock::RealTimeClock(Function<void(const RegisterState&)> callback)
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CMOS::write(0x8B, CMOS::read(0xB) | 0x40);
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reset_to_default_ticks_per_second();
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}
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void RealTimeClock::handle_irq(const RegisterState& regs)
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bool RealTimeClock::handle_irq(const RegisterState& regs)
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{
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HardwareTimer::handle_irq(regs);
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auto result = HardwareTimer::handle_irq(regs);
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CMOS::read(0x8C);
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return result;
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}
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size_t RealTimeClock::ticks_per_second() const
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