grub/kern/i386/halt.c
proski a2d08c06c3 2009-06-16 Pavel Roskin <proski@gnu.org>
* kern/i386/halt.c: Include grub/machine/init.h.
	* kern/i386/reboot.c: Include grub/cpu/reboot.h.
2009-06-16 20:55:53 +00:00

43 lines
1.3 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/cpu/io.h>
#include <grub/cpu/halt.h>
#include <grub/machine/init.h>
#include <grub/misc.h>
const char bochs_shutdown[] = "Shutdown";
void
grub_halt (void)
{
unsigned int i;
/* Disable interrupts. */
__asm__ __volatile__ ("cli");
/* Bochs, QEMU, etc. */
for (i = 0; i < sizeof (bochs_shutdown) - 1; i++)
grub_outb (bochs_shutdown[i], 0x8900);
grub_printf ("GRUB doesn't know how to halt this machine yet!\n");
/* In order to return we'd have to check what the previous status of IF
flag was. But user most likely doesn't want to return anyway ... */
grub_stop ();
}