mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-05-03 17:58:49 +00:00
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/ACPI/Parser.h>
|
|
#include <Kernel/FileSystem/FileSystem.h>
|
|
#include <Kernel/IO.h>
|
|
#include <Kernel/Process.h>
|
|
#include <Kernel/TTY/ConsoleManagement.h>
|
|
|
|
namespace Kernel {
|
|
|
|
KResultOr<FlatPtr> Process::sys$reboot()
|
|
{
|
|
if (!is_superuser())
|
|
return EPERM;
|
|
|
|
REQUIRE_NO_PROMISES;
|
|
|
|
dbgln("acquiring FS locks...");
|
|
FileSystem::lock_all();
|
|
dbgln("syncing mounted filesystems...");
|
|
FileSystem::sync();
|
|
dbgln("attempting reboot via ACPI");
|
|
if (ACPI::is_enabled())
|
|
ACPI::Parser::the()->try_acpi_reboot();
|
|
dbgln("attempting reboot via KB Controller...");
|
|
IO::out8(0x64, 0xFE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
KResultOr<FlatPtr> Process::sys$halt()
|
|
{
|
|
if (!is_superuser())
|
|
return EPERM;
|
|
|
|
REQUIRE_NO_PROMISES;
|
|
ConsoleManagement::the().switch_to_debug();
|
|
|
|
dbgln("acquiring FS locks...");
|
|
FileSystem::lock_all();
|
|
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);
|
|
dbgln("shutdown attempts failed, applications will stop responding.");
|
|
dmesgln("Shutdown can't be completed. It's safe to turn off the computer!");
|
|
Processor::halt();
|
|
}
|
|
|
|
}
|