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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.
*/
#include <Kernel/ACPI/ACPIParser.h>
namespace Kernel {
namespace ACPI {
static Parser* s_acpi_parser;
Parser& Parser::the()
{
ASSERT(s_acpi_parser != nullptr);
return *s_acpi_parser;
}
void Parser::initialize_limited()
{
if (!Parser::is_initialized()) {
s_acpi_parser = new Parser(false);
}
}
bool Parser::is_initialized()
{
return (s_acpi_parser != nullptr);
}
Parser::Parser(bool usable)
{
if (usable) {
klog() << "ACPI: Setting up a functional parser";
} else {
klog() << "ACPI: Limited Initialization. Vital functions are disabled by a request";
}
s_acpi_parser = this;
}
PhysicalAddress Parser::find_table(const char*)
{
klog() << "ACPI: Requested to search for a table, Abort!";
return {};
}
void Parser::try_acpi_reboot()
{
klog() << "ACPI: Cannot invoke reboot!";
}
void Parser::try_acpi_shutdown()
{
klog() << "ACPI: Cannot invoke shutdown!";
}
void Parser::enable_aml_interpretation()
{
klog() << "ACPI: No AML Interpretation Allowed";
ASSERT_NOT_REACHED();
}
void Parser::enable_aml_interpretation(File&)
{
klog() << "ACPI: No AML Interpretation Allowed";
ASSERT_NOT_REACHED();
}
void Parser::enable_aml_interpretation(u8*, u32)
{
klog() << "ACPI: No AML Interpretation Allowed";
ASSERT_NOT_REACHED();
}
void Parser::disable_aml_interpretation()
{
klog() << "ACPI Limited: No AML Interpretation Allowed";
ASSERT_NOT_REACHED();
}
const FADTFlags::HardwareFeatures& Parser::hardware_features() const
{
klog() << "ACPI Limited: Hardware features cannot be obtained";
ASSERT_NOT_REACHED();
}
const FADTFlags::x86_Specific_Flags& Parser::x86_specific_flags() const
{
klog() << "ACPI Limited: x86 specific features cannot be obtained";
ASSERT_NOT_REACHED();
}
bool Parser::is_operable()
{
return false;
}
}
}
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