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