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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/OwnPtr.h>
#include <Kernel/ACPI/ACPIParser.h>
namespace Kernel {
namespace ACPI {
class StaticParser : Parser {
public:
static void initialize(PhysicalAddress rsdp);
static void initialize_without_rsdp();
static bool is_initialized();
virtual PhysicalAddress find_table(const char* sig) override;
virtual void try_acpi_reboot() override;
virtual bool can_reboot() override;
virtual bool can_shutdown() override { return false; }
virtual void try_acpi_shutdown() override;
virtual bool is_operable() override { return m_operable; }
virtual const FADTFlags::HardwareFeatures& hardware_features() const override;
virtual const FADTFlags::x86_Specific_Flags& x86_specific_flags() const override;
protected:
StaticParser();
explicit StaticParser(PhysicalAddress);
private:
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;
FADTFlags::HardwareFeatures m_hardware_flags;
FADTFlags::x86_Specific_Flags m_x86_specific_flags;
};
}
}
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