RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-06-01 06:38:10 +00:00
Code Issues Activity Actions

Kernel: Add Interrupt Management and Generic Interrupt Handler

Browse source 
The GenericInterruptHandler class will be used to represent
an abstract interrupt handler. The InterruptManagement class will
represent a centralized component to manage interrupts.
This commit is contained in:
Liav A 2020-02-22 19:36:40 +02:00 • committed by Andreas Kling
parent ebe30ed11e
commit b201b23363
4 changed files with 483 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

96
Kernel/Interrupts/InterruptManagement.h Normal file
View file

@ -0,0 +1,96 @@
/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/FixedArray.h>
#include <AK/Function.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/OwnPtr.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/Types.h>
#include <Kernel/ACPI/Definitions.h>
#include <Kernel/Interrupts/GenericInterruptHandler.h>
#include <Kernel/Interrupts/IOAPIC.h>
#include <Kernel/Interrupts/IRQController.h>
namespace Kernel {
class InterruptManagement {
public:
static InterruptManagement& the();
static void initialize();
static bool initialized();
virtual void switch_to_pic_mode();
virtual void switch_to_ioapic_mode();
void enable(u8 interrupt_vector);
void disable(u8 interrupt_vector);
void eoi(u8 interrupt_vector);
void enumerate_interrupt_handlers(Function<void(GenericInterruptHandler&)>);
IRQController& get_interrupt_controller(int index);
protected:
explicit InterruptManagement(bool create_default_controller);
FixedArray<OwnPtr<IRQController>> m_interrupt_controllers { 1 };
};
class ISAInterruptOverrideMetadata;
class AdvancedInterruptManagement : public InterruptManagement {
friend class IOAPIC;
public:
static void initialize(ACPI_RAW::MADT& madt);
virtual void switch_to_ioapic_mode() override;
virtual void switch_to_pic_mode() override;
private:
explicit AdvancedInterruptManagement(ACPI_RAW::MADT& madt);
void locate_ioapics(ACPI_RAW::MADT& madt);
void locate_isa_interrupt_overrides(ACPI_RAW::MADT& madt);
void locate_pci_interrupt_overrides();
Vector<RefPtr<ISAInterruptOverrideMetadata>> m_isa_interrupt_overrides;
Vector<RefPtr<PCIInterruptOverrideMetadata>> m_pci_interrupt_overrides;
ACPI_RAW::MADT& m_madt;
};
class ISAInterruptOverrideMetadata : public RefCounted<ISAInterruptOverrideMetadata> {
public:
ISAInterruptOverrideMetadata(u8 bus, u8 source, u32 global_system_interrupt, u16 flags);
u8 bus() const;
u8 source() const;
u32 gsi() const;
u16 flags() const;
private:
u8 m_bus;
u8 m_source;
u32 m_global_system_interrupt;
u16 m_flags;
};
}