ladybird/Kernel/ACPI/ACPIDynamicParser.h

/*
 * 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/RefPtr.h>
#include <Kernel/ACPI/ACPIStaticParser.h>
#include <Kernel/Interrupts/IRQHandler.h>
#include <Kernel/Lock.h>
#include <Kernel/VM/PhysicalPage.h>
#include <LibBareMetal/Memory/PhysicalAddress.h>

namespace Kernel {
namespace ACPI {
    class DynamicParser final : public IRQHandler
        , StaticParser {
    public:
        static void initialize(PhysicalAddress rsdp);
        static void initialize_without_rsdp();

        virtual void enable_aml_interpretation() override;
        virtual void enable_aml_interpretation(File& dsdt_file) override;
        virtual void enable_aml_interpretation(u8* physical_dsdt, u32 dsdt_payload_legnth) override;
        virtual void disable_aml_interpretation() override;
        virtual void try_acpi_shutdown() override;
        virtual bool can_shutdown() override { return true; }
        virtual const char* purpose() const override { return "ACPI Parser"; }

    protected:
        DynamicParser();
        explicit DynamicParser(PhysicalAddress);

    private:
        void build_namespace();
        // ^IRQHandler
        virtual void handle_irq(const RegisterState&) override;

        OwnPtr<Region> m_acpi_namespace;
    };
}
}