mirror of
https://github.com/RGBCube/serenity
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72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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 <ACPI/ACPIParser.h>
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#include <AK/OwnPtr.h>
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namespace Kernel {
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class ACPIStaticParser : ACPIParser {
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public:
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static void initialize(ACPI_RAW::RSDPDescriptor20& rsdp);
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static void initialize_without_rsdp();
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static bool is_initialized();
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virtual ACPI_RAW::SDTHeader* find_table(const char* sig) override;
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virtual void do_acpi_reboot() override;
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virtual void do_acpi_shutdown() override;
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virtual bool is_operable() override { return m_operable; }
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protected:
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ACPIStaticParser();
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explicit ACPIStaticParser(ACPI_RAW::RSDPDescriptor20&);
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private:
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void locate_static_data();
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void locate_all_aml_tables();
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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(ACPI_RAW::SDTHeader&);
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u8 get_table_revision(ACPI_RAW::SDTHeader&);
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void init_fadt();
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ACPI_RAW::RSDPDescriptor20* search_rsdp_in_ebda(u16 ebda_segment);
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ACPI_RAW::RSDPDescriptor20* search_rsdp_in_bios_area();
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ACPI_RAW::RSDPDescriptor20* search_rsdp();
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// Early pointers that are needed really for initializtion only...
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ACPI_RAW::RSDPDescriptor20* m_rsdp;
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ACPI_RAW::SDTHeader* m_main_system_description_table;
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OwnPtr<ACPI::MainSystemDescriptionTable> m_main_sdt;
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OwnPtr<ACPI::FixedACPIData> m_fadt;
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Vector<ACPI_RAW::SDTHeader*> m_aml_tables_ptrs;
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bool m_xsdt_supported;
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};
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}
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