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Kernel: Simplify interrupt management
The IRQController object is RefCounted, and is shared between the InterruptManagement class & IRQ handlers' classes. IRQHandler, SharedIRQHandler & SpuriousInterruptHandler classes use a responsible IRQ controller directly instead of calling InterruptManagement for disable(), enable() or eoi(). Also, the initialization process of InterruptManagement is simplified, so it doesn't rely on an ACPI parser to be initialized.
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parent
f96cf250f9
commit
6f914ed0a4
9 changed files with 80 additions and 128 deletions
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@ -34,6 +34,7 @@ namespace Kernel {
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IRQHandler::IRQHandler(u8 irq)
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: GenericInterruptHandler(irq)
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, m_responsible_irq_controller(InterruptManagement::the().get_responsible_irq_controller(irq))
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{
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}
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@ -47,7 +48,8 @@ bool IRQHandler::eoi()
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dbg() << "EOI IRQ " << interrupt_number();
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#endif
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if (!m_shared_with_others) {
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InterruptManagement::the().eoi(interrupt_number());
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ASSERT(!m_responsible_irq_controller.is_null());
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m_responsible_irq_controller->eoi(interrupt_number());
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return true;
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}
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return false;
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@ -59,7 +61,7 @@ void IRQHandler::enable_irq()
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dbg() << "Enable IRQ " << interrupt_number();
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#endif
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if (!m_shared_with_others)
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InterruptManagement::the().enable(interrupt_number());
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m_responsible_irq_controller->enable(interrupt_number());
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else
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m_enabled = true;
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}
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@ -70,7 +72,7 @@ void IRQHandler::disable_irq()
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dbg() << "Disable IRQ " << interrupt_number();
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#endif
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if (!m_shared_with_others)
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InterruptManagement::the().disable(interrupt_number());
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m_responsible_irq_controller->disable(interrupt_number());
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else
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m_enabled = false;
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}
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@ -79,6 +81,7 @@ void IRQHandler::change_irq_number(u8 irq)
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{
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InterruptDisabler disabler;
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change_interrupt_number(irq);
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m_responsible_irq_controller = InterruptManagement::the().get_responsible_irq_controller(irq);
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}
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}
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