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Kernel: Acquire ISA interrupt overrides from Interrupt Management

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Also, InterruptDisabler were added to prevent critical function from
being interrupted. In addition, the interrupt numbers are abstracted
from IDT offsets, thus, allowing to create a better routing scheme
when using IOAPICs for interrupt redirection.
This commit is contained in:
Liav A 2020-03-06 03:19:40 +02:00 • committed by Andreas Kling
parent d9d792d37f
commit 30fc78bfaf
5 changed files with 54 additions and 21 deletions
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4
Kernel/Interrupts/IOAPIC.h
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@ -41,7 +41,7 @@ class PCIInterruptOverrideMetadata;
class IOAPIC final : public IRQController {
public:
IOAPIC(ioapic_mmio_regs& regs, u32 gsi_base, Vector<RefPtr<ISAInterruptOverrideMetadata>>& overrides, Vector<RefPtr<PCIInterruptOverrideMetadata>>& pci_overrides);
IOAPIC(ioapic_mmio_regs& regs, u32 gsi_base);
virtual void enable(u8 number) override;
virtual void disable(u8 number) override;
virtual void hard_disable() override;
@ -81,7 +81,5 @@ private:
u8 m_id;
u8 m_version;
u32 m_redirection_entries;
Vector<RefPtr<ISAInterruptOverrideMetadata>> m_isa_interrupt_overrides;
Vector<RefPtr<PCIInterruptOverrideMetadata>> m_pci_interrupt_overrides;
};
}