NetBSD/sys/arch/news68k/stand/bootxx/start.S

58 lines
1.9 KiB
ArmAsm

/* $NetBSD: start.S,v 1.2 2000/11/25 04:42:07 tsutsui Exp $ */
/*-
* Copyright (C) 1999 Izumi Tsutsui. 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. The name of the author 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 <m68k/asm.h>
.text
.align 4
ASENTRY_NOPROFILE(start)
jra 1f
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
/* disklabel here */
.space 0x1f0
1:
lea 0x3e0000,%sp |
movl %d7,%sp@- | %d7: bootargs
movl %d6,%sp@- | %d6: bootdev
movl %d5,%sp@- | %d5: kernel
movl %d4,%sp@- | %d4: physmem
jbsr _C_LABEL(bootxx)
lea %sp@(16),%sp
jra _C_LABEL(rom_halt)