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4644217094
If we don't support ACPI, just don't instantiate an ACPI parser. This is way less confusing than having a special parser class whose only purpose is to do nothing. We now search for the RSDP in ACPI::initialize() instead of letting the parser constructor do it. This allows us to defer the decision to create a parser until we're sure we can make a useful one.
78 lines
2.5 KiB
C++
78 lines
2.5 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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#include <AK/StringView.h>
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#include <Kernel/ACPI/ACPIParser.h>
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namespace Kernel {
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namespace ACPI {
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static Parser* s_acpi_parser;
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Parser* Parser::the()
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{
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return s_acpi_parser;
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}
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void Parser::set_the(Parser& parser)
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{
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ASSERT(!s_acpi_parser);
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s_acpi_parser = &parser;
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}
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void Parser::enable_aml_interpretation()
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{
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klog() << "ACPI: No AML Interpretation Allowed";
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ASSERT_NOT_REACHED();
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}
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void Parser::enable_aml_interpretation(File&)
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{
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klog() << "ACPI: No AML Interpretation Allowed";
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ASSERT_NOT_REACHED();
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}
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void Parser::enable_aml_interpretation(u8*, u32)
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{
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klog() << "ACPI: No AML Interpretation Allowed";
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ASSERT_NOT_REACHED();
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}
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void Parser::disable_aml_interpretation()
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{
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klog() << "ACPI Limited: No AML Interpretation Allowed";
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ASSERT_NOT_REACHED();
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}
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const FADTFlags::HardwareFeatures& Parser::hardware_features() const
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{
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klog() << "ACPI Limited: Hardware features cannot be obtained";
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ASSERT_NOT_REACHED();
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}
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const FADTFlags::x86_Specific_Flags& Parser::x86_specific_flags() const
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{
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klog() << "ACPI Limited: x86 specific features cannot be obtained";
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ASSERT_NOT_REACHED();
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}
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}
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}
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