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https://github.com/fergalmoran/ladybird.git
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85307dd26e
Now the ACPI & PCI code is more safer, because we don't use raw pointers or references to objects or data that are located in the physical address space, so an accidental dereference cannot happen easily. Instead, we use the PhysicalAddress class to represent those addresses.
105 lines
3.0 KiB
C++
105 lines
3.0 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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#include <Kernel/ACPI/ACPIParser.h>
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namespace Kernel {
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static ACPIParser* s_acpi_parser;
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ACPIParser& ACPIParser::the()
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{
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ASSERT(s_acpi_parser != nullptr);
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return *s_acpi_parser;
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}
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void ACPIParser::initialize_limited()
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{
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if (!ACPIParser::is_initialized()) {
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s_acpi_parser = new ACPIParser(false);
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}
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}
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bool ACPIParser::is_initialized()
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{
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return (s_acpi_parser != nullptr);
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}
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ACPIParser::ACPIParser(bool usable)
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{
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if (usable) {
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kprintf("ACPI: Setting up a functional parser\n");
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} else {
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kprintf("ACPI: Limited Initialization. Vital functions are disabled by a request\n");
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}
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s_acpi_parser = this;
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}
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PhysicalAddress ACPIParser::find_table(const char*)
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{
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kprintf("ACPI: Requested to search for a table, Abort!\n");
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return {};
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}
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void ACPIParser::do_acpi_reboot()
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{
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kprintf("ACPI: Cannot invoke reboot!\n");
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ASSERT_NOT_REACHED();
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}
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void ACPIParser::do_acpi_shutdown()
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{
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kprintf("ACPI: Cannot invoke shutdown!\n");
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ASSERT_NOT_REACHED();
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}
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void ACPIParser::enable_aml_interpretation()
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{
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kprintf("ACPI: No AML Interpretation Allowed\n");
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ASSERT_NOT_REACHED();
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}
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void ACPIParser::enable_aml_interpretation(File&)
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{
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kprintf("ACPI: No AML Interpretation Allowed\n");
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ASSERT_NOT_REACHED();
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}
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void ACPIParser::enable_aml_interpretation(u8*, u32)
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{
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kprintf("ACPI: No AML Interpretation Allowed\n");
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ASSERT_NOT_REACHED();
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}
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void ACPIParser::disable_aml_interpretation()
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{
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kprintf("ACPI Limited: No AML Interpretation Allowed\n");
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ASSERT_NOT_REACHED();
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}
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bool ACPIParser::is_operable()
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{
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return false;
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}
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}
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