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96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*
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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/Types.h>
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#include <Kernel/ACPI/Definitions.h>
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#include <Kernel/ACPI/Initialize.h>
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#include <Kernel/FileSystem/File.h>
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#include <Kernel/VM/Region.h>
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#include <LibBareMetal/Memory/PhysicalAddress.h>
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#include <LibBareMetal/Memory/VirtualAddress.h>
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namespace Kernel {
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namespace ACPI {
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class Parser {
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public:
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static Parser* the();
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template<typename ParserType>
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static void initialize(PhysicalAddress rsdp)
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{
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set_the(*new ParserType(rsdp));
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}
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virtual PhysicalAddress find_table(const StringView& signature);
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virtual void try_acpi_reboot();
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virtual bool can_reboot();
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virtual void try_acpi_shutdown();
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virtual bool can_shutdown() { return false; }
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const FADTFlags::HardwareFeatures& hardware_features() const { return m_hardware_flags; }
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const FADTFlags::x86_Specific_Flags& x86_specific_flags() const { return m_x86_specific_flags; }
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virtual void enable_aml_interpretation();
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virtual void enable_aml_interpretation(File&);
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virtual void enable_aml_interpretation(u8*, u32);
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virtual void disable_aml_interpretation();
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protected:
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explicit Parser(PhysicalAddress rsdp);
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private:
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static void set_the(Parser&);
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void locate_static_data();
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void locate_main_system_description_table();
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void initialize_main_system_description_table();
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size_t get_table_size(PhysicalAddress);
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u8 get_table_revision(PhysicalAddress);
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void init_fadt();
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void init_facs();
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bool validate_reset_register();
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void access_generic_address(const Structures::GenericAddressStructure&, u32 value);
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PhysicalAddress m_rsdp;
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PhysicalAddress m_main_system_description_table;
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Vector<PhysicalAddress> m_sdt_pointers;
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PhysicalAddress m_fadt;
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PhysicalAddress m_facs;
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bool m_xsdt_supported { false };
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FADTFlags::HardwareFeatures m_hardware_flags;
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FADTFlags::x86_Specific_Flags m_x86_specific_flags;
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};
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}
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}
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