2
* GRUB -- GRand Unified Bootloader
3
* Copyright (C) 2008 Free Software Foundation, Inc.
5
* GRUB is free software: you can redistribute it and/or modify
6
* it under the terms of the GNU General Public License as published by
7
* the Free Software Foundation, either version 3 of the License, or
8
* (at your option) any later version.
10
* GRUB is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
* GNU General Public License for more details.
15
* You should have received a copy of the GNU General Public License
16
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
19
#include <grub/cpu/io.h>
20
#include <grub/misc.h>
21
#include <grub/acpi.h>
23
const char bochs_shutdown[] = "Shutdown";
26
* This call is special... it never returns... in fact it should simply
29
static inline void __attribute__ ((noreturn))
44
#if defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_MULTIBOOT)
48
/* Disable interrupts. */
49
__asm__ __volatile__ ("cli");
51
/* Bochs, QEMU, etc. */
52
for (i = 0; i < sizeof (bochs_shutdown) - 1; i++)
53
grub_outb (bochs_shutdown[i], 0x8900);
55
grub_printf ("GRUB doesn't know how to halt this machine yet!\n");
57
/* In order to return we'd have to check what the previous status of IF
58
flag was. But user most likely doesn't want to return anyway ... */