mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 03:12:44 +00:00
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/NonnullOwnPtr.h>
|
|
#include <AK/Types.h>
|
|
#include <Kernel/Arch/IRQController.h>
|
|
#include <Kernel/Interrupts/GenericInterruptHandler.h>
|
|
#include <Kernel/Library/LockRefPtr.h>
|
|
|
|
namespace Kernel {
|
|
class IRQHandler;
|
|
class SharedIRQHandler final : public GenericInterruptHandler {
|
|
public:
|
|
static void initialize(u8 interrupt_number);
|
|
virtual ~SharedIRQHandler();
|
|
virtual bool handle_interrupt(RegisterState const& regs) override;
|
|
|
|
void register_handler(GenericInterruptHandler&);
|
|
void unregister_handler(GenericInterruptHandler&);
|
|
|
|
virtual bool eoi() override;
|
|
|
|
void enumerate_handlers(Function<void(GenericInterruptHandler&)>&);
|
|
|
|
virtual size_t sharing_devices_count() const override { return m_handlers.size_slow(); }
|
|
virtual bool is_shared_handler() const override { return true; }
|
|
virtual bool is_sharing_with_others() const override { return false; }
|
|
|
|
virtual HandlerType type() const override { return HandlerType::SharedIRQHandler; }
|
|
virtual StringView purpose() const override { return "Shared IRQ Handler"sv; }
|
|
virtual StringView controller() const override { return m_responsible_irq_controller->model(); }
|
|
|
|
private:
|
|
void enable_interrupt_vector();
|
|
void disable_interrupt_vector();
|
|
explicit SharedIRQHandler(u8 interrupt_number);
|
|
bool m_enabled { true };
|
|
GenericInterruptHandler::List m_handlers;
|
|
NonnullLockRefPtr<IRQController> m_responsible_irq_controller;
|
|
};
|
|
}
|