mirror of
https://github.com/RGBCube/serenity
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1b7b360ca1
The PIC and APIC code are specific to x86 platforms, so move them out of the general Interrupts directory to Arch/x86/common/Interrupts directory instead.
43 lines
1.4 KiB
C++
43 lines
1.4 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/Arch/x86/IRQController.h>
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namespace Kernel {
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static constexpr size_t pic_disabled_vector_base = 0x20;
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static constexpr size_t pic_disabled_vector_end = 0x2f;
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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(GenericInterruptHandler const&) override;
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virtual void disable(GenericInterruptHandler const&) override;
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virtual void hard_disable() override;
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virtual void eoi(GenericInterruptHandler const&) 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(GenericInterruptHandler const&) 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 StringView model() const override { return "Dual i8259"sv; }
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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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