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Kernel: Abstracts x86 reboot and shutdown specific methods

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We move QEMU and VirtualBox shutdown sequences to a separate file, as
well as moving the i8042 reboot code sequence too to another file.

This allows us to abstract specific methods from the power state node
code of the SysFS filesystem, to allow other architectures to put their
methods there too in the future.
This commit is contained in:
Liav A 2022-09-02 10:17:55 +03:00 • committed by Linus Groh
parent 0a220a413f
commit 9252a892bb
7 changed files with 56 additions and 13 deletions
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21
Kernel/FileSystem/SysFS/Subsystems/Firmware/PowerStateSwitch.cpp
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@ -5,7 +5,11 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Arch/x86/IO.h>
#include <AK/Platform.h>
#if ARCH(I386) || ARCH(X86_64)
# include <Kernel/Arch/x86/common/I8042Reboot.h>
# include <Kernel/Arch/x86/common/Shutdown.h>
#endif
#include <Kernel/FileSystem/FileSystem.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Firmware/PowerStateSwitch.h>
#include <Kernel/Firmware/ACPI/Parser.h>
@ -76,8 +80,9 @@ void PowerStateSwitchNode::reboot()
dbgln("attempting reboot via ACPI");
if (ACPI::is_enabled())
ACPI::Parser::the()->try_acpi_reboot();
dbgln("attempting reboot via KB Controller...");
IO::out8(0x64, 0xFE);
#if ARCH(I386) || ARCH(X86_64)
i8042_reboot();
#endif
dbgln("reboot attempts failed, applications will stop responding.");
dmesgln("Reboot can't be completed. It's safe to turn off the computer!");
Processor::halt();
@ -94,12 +99,10 @@ void PowerStateSwitchNode::poweroff()
dbgln("syncing mounted filesystems...");
FileSystem::sync();
dbgln("attempting system shutdown...");
// QEMU Shutdown
IO::out16(0x604, 0x2000);
// If we're here, the shutdown failed. Try VirtualBox shutdown.
IO::out16(0x4004, 0x3400);
// VirtualBox shutdown failed. Try Bochs/Old QEMU shutdown.
IO::out16(0xb004, 0x2000);
#if ARCH(I386) || ARCH(X86_64)
qemu_shutdown();
virtualbox_shutdown();
#endif
dbgln("shutdown attempts failed, applications will stop responding.");
dmesgln("Shutdown can't be completed. It's safe to turn off the computer!");
Processor::halt();