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- /*
- * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <AK/RefCounted.h>
- #include <AK/Types.h>
- namespace Kernel {
- enum class IRQControllerType {
- i8259 = 1, /* Intel 8259 Dual PIC */
- i82093AA = 2 /* Intel 82093AA I/O ADVANCED PROGRAMMABLE INTERRUPT CONTROLLER (IOAPIC) */
- };
- class IRQController : public RefCounted<IRQController> {
- public:
- virtual ~IRQController() = default;
- virtual void enable(const GenericInterruptHandler&) = 0;
- virtual void disable(const GenericInterruptHandler&) = 0;
- virtual void hard_disable() { m_hard_disabled = true; }
- virtual bool is_vector_enabled(u8 number) const = 0;
- virtual bool is_enabled() const = 0;
- bool is_hard_disabled() const { return m_hard_disabled; }
- virtual void eoi(const GenericInterruptHandler&) const = 0;
- virtual void spurious_eoi(const GenericInterruptHandler&) const = 0;
- virtual size_t interrupt_vectors_count() const = 0;
- virtual u32 gsi_base() const = 0;
- virtual u16 get_isr() const = 0;
- virtual u16 get_irr() const = 0;
- virtual StringView model() const = 0;
- virtual IRQControllerType type() const = 0;
- protected:
- IRQController() = default;
- virtual void initialize() = 0;
- bool m_hard_disabled { false };
- };
- }
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