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63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
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/*
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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/String.h>
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#include <AK/Types.h>
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namespace Kernel {
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enum class IRQControllerType {
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i8259 = 1, /* Intel 8259 Dual PIC */
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i82093AA = 2 /* Intel 82093AA I/O ADVANCED PROGRAMMABLE INTERRUPT CONTROLLER (IOAPIC) */
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};
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class IRQController {
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public:
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virtual ~IRQController() {}
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virtual void enable(u8 number) = 0;
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virtual void disable(u8 number) = 0;
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virtual void hard_disable() { m_hard_disabled = true; }
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virtual bool is_vector_enabled(u8 number) const = 0;
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bool is_enabled() const { return m_enabled && !m_hard_disabled; }
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bool is_hard_disabled() const { return m_hard_disabled; }
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virtual void eoi(u8 number) const = 0;
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virtual u32 get_gsi_base() const = 0;
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virtual u16 get_isr() const = 0;
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virtual u16 get_irr() const = 0;
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virtual const char* model() const = 0;
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virtual IRQControllerType type() const = 0;
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protected:
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IRQController() {}
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virtual void initialize() = 0;
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bool m_enabled { false };
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bool m_hard_disabled { false };
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};
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}
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