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Kernel: Unify BIOS and ACPI components in the SysFS firmware directory

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Both should reside in the SysFS firmware directory which is normally
located in /sys/firmware.
Also, apply some OOM-safety patterns when creating the BIOS and ACPI
directories.
This commit is contained in:
Liav A 2021-09-11 11:19:33 +03:00 • committed by Andreas Kling
parent 9132596b8e
commit 33f033066c
8 changed files with 82 additions and 18 deletions
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36
Kernel/Firmware/SysFSFirmware.cpp Normal file
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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Firmware/ACPI/Parser.h>
#include <Kernel/Firmware/BIOS.h>
#include <Kernel/Firmware/SysFSFirmware.h>
#include <Kernel/Sections.h>
namespace Kernel {
UNMAP_AFTER_INIT void FirmwareSysFSDirectory::initialize()
{
auto firmware_directory = adopt_ref_if_nonnull(new (nothrow) FirmwareSysFSDirectory()).release_nonnull();
SysFSComponentRegistry::the().register_new_component(firmware_directory);
firmware_directory->create_components();
}
void FirmwareSysFSDirectory::create_components()
{
auto bios_directory_or_error = BIOSSysFSDirectory::try_create(*this);
VERIFY(!bios_directory_or_error.is_error());
auto acpi_directory_or_error = ACPI::ACPISysFSDirectory::try_create(*this);
VERIFY(!acpi_directory_or_error.is_error());
m_components.append(bios_directory_or_error.release_value());
m_components.append(acpi_directory_or_error.release_value());
}
UNMAP_AFTER_INIT FirmwareSysFSDirectory::FirmwareSysFSDirectory()
: SysFSDirectory("firmware", SysFSComponentRegistry::the().root_directory())
{
}
}