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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/OwnPtr.h>
#include <AK/Types.h>
#include <Kernel/Interrupts/GenericInterruptHandler.h>
#include <Kernel/Interrupts/IRQController.h>
namespace Kernel {
class SpuriousInterruptHandler final : public GenericInterruptHandler {
public:
static void initialize(u8 interrupt_number);
static void initialize_for_disabled_master_pic();
static void initialize_for_disabled_slave_pic();
virtual ~SpuriousInterruptHandler();
virtual bool handle_interrupt(RegisterState const& regs) override;
void register_handler(GenericInterruptHandler&);
void unregister_handler(GenericInterruptHandler&);
virtual bool eoi() override;
virtual size_t sharing_devices_count() const override { return 1; }
virtual bool is_shared_handler() const override { return false; }
virtual bool is_sharing_with_others() const override { return false; }
virtual HandlerType type() const override { return HandlerType::SpuriousInterruptHandler; }
virtual StringView purpose() const override;
virtual StringView controller() const override;
void enable_interrupt_vector_for_disabled_pic();
private:
void enable_interrupt_vector();
void disable_interrupt_vector();
explicit SpuriousInterruptHandler(u8 interrupt_number);
bool m_enabled { false };
bool m_real_irq { false };
RefPtr<IRQController> m_responsible_irq_controller;
OwnPtr<GenericInterruptHandler> m_real_handler;
};
}
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