67 lines
2.1 KiB
ArmAsm
67 lines
2.1 KiB
ArmAsm
/* $NetBSD: biosreboot.S,v 1.1 1997/04/13 18:45:37 perry Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997
|
|
* Perry E. Metzger. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgements:
|
|
* This product includes software developed for the NetBSD Project
|
|
* by Perry E. Metzger.
|
|
* 4. The names of the authors may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
|
|
#include <machine/asm.h>
|
|
|
|
#define data32 .byte 0x66
|
|
|
|
.text
|
|
|
|
/* Call INT 19 to do the equivalent of CTL-ALT-DEL */
|
|
|
|
ENTRY(reboot)
|
|
pushl %ebp
|
|
movl %esp,%ebp
|
|
pushl %ebx
|
|
push %esi
|
|
push %edi
|
|
|
|
call _C_LABEL(prot_to_real)
|
|
|
|
int $0x19
|
|
|
|
/* NOTE: We should never even get past this point. */
|
|
|
|
data32
|
|
call _C_LABEL(real_to_prot)
|
|
|
|
movl %ebx, %eax
|
|
|
|
pop %edi
|
|
pop %esi
|
|
popl %ebx
|
|
popl %ebp
|
|
ret
|