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b97a00d4b1
The `#pragma GCC diagnostic` part is needed because the class has virtual methods with the same name but different arguments, and Clang tries to warn us that we are not actually overriding anything with these. Weirdly enough, GCC does not seem to care.
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <Kernel/Interrupts/IRQController.h>
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namespace Kernel {
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class PIC final : public IRQController {
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public:
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PIC();
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virtual void enable(const GenericInterruptHandler&) override;
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virtual void disable(const GenericInterruptHandler&) override;
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virtual void hard_disable() override;
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virtual void eoi(const GenericInterruptHandler&) const override;
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virtual bool is_vector_enabled(u8 number) const override;
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virtual bool is_enabled() const override;
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virtual void spurious_eoi(const GenericInterruptHandler&) const override;
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virtual u16 get_isr() const override;
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virtual u16 get_irr() const override;
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virtual u32 gsi_base() const override { return 0; }
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virtual size_t interrupt_vectors_count() const override { return 16; }
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virtual const char* model() const override { return "Dual i8259"; }
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virtual IRQControllerType type() const override { return IRQControllerType::i8259; }
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private:
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u16 m_cached_irq_mask { 0xffff };
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void eoi_interrupt(u8 irq) const;
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void enable_vector(u8 number);
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void remap(u8 offset);
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void complete_eoi() const;
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virtual void initialize() override;
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};
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}
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