blob: add177a25fd7e56e7b3e9c650bed5a892a8420ff (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* 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$reboot()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
if (!is_superuser())
return EPERM;
REQUIRE_NO_PROMISES;
dbgln("acquiring FS locks...");
FileSystem::lock_all();
dbgln("syncing mounted filesystems...");
FileSystem::sync();
dbgln("attempting reboot via ACPI");
if (ACPI::is_enabled())
ACPI::Parser::the()->try_acpi_reboot();
dbgln("attempting reboot via KB Controller...");
IO::out8(0x64, 0xFE);
return 0;
}
KResultOr<FlatPtr> Process::sys$halt()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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();
}
}
|
