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b201b23363
The GenericInterruptHandler class will be used to represent an abstract interrupt handler. The InterruptManagement class will represent a centralized component to manage interrupts.
96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/FixedArray.h>
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#include <AK/Function.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/OwnPtr.h>
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/Types.h>
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#include <Kernel/ACPI/Definitions.h>
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#include <Kernel/Interrupts/GenericInterruptHandler.h>
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#include <Kernel/Interrupts/IOAPIC.h>
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#include <Kernel/Interrupts/IRQController.h>
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namespace Kernel {
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class InterruptManagement {
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public:
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static InterruptManagement& the();
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static void initialize();
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static bool initialized();
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virtual void switch_to_pic_mode();
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virtual void switch_to_ioapic_mode();
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void enable(u8 interrupt_vector);
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void disable(u8 interrupt_vector);
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void eoi(u8 interrupt_vector);
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void enumerate_interrupt_handlers(Function<void(GenericInterruptHandler&)>);
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IRQController& get_interrupt_controller(int index);
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protected:
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explicit InterruptManagement(bool create_default_controller);
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FixedArray<OwnPtr<IRQController>> m_interrupt_controllers { 1 };
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};
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class ISAInterruptOverrideMetadata;
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class AdvancedInterruptManagement : public InterruptManagement {
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friend class IOAPIC;
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public:
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static void initialize(ACPI_RAW::MADT& madt);
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virtual void switch_to_ioapic_mode() override;
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virtual void switch_to_pic_mode() override;
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private:
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explicit AdvancedInterruptManagement(ACPI_RAW::MADT& madt);
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void locate_ioapics(ACPI_RAW::MADT& madt);
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void locate_isa_interrupt_overrides(ACPI_RAW::MADT& madt);
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void locate_pci_interrupt_overrides();
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Vector<RefPtr<ISAInterruptOverrideMetadata>> m_isa_interrupt_overrides;
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Vector<RefPtr<PCIInterruptOverrideMetadata>> m_pci_interrupt_overrides;
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ACPI_RAW::MADT& m_madt;
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};
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class ISAInterruptOverrideMetadata : public RefCounted<ISAInterruptOverrideMetadata> {
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public:
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ISAInterruptOverrideMetadata(u8 bus, u8 source, u32 global_system_interrupt, u16 flags);
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u8 bus() const;
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u8 source() const;
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u32 gsi() const;
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u16 flags() const;
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private:
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u8 m_bus;
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u8 m_source;
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u32 m_global_system_interrupt;
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u16 m_flags;
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};
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}
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