NetBSD/sys/arch/amiga/stand/bootblock/boot/alloc.s

63 lines
2.4 KiB
ArmAsm

/* $NetBSD: alloc.s,v 1.8 2001/03/11 20:10:04 mhitch Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ignatios Souvatzis.
*
* 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 acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Memory allocation through exec library.
*/
#include <machine/asm.h>
ENTRY_NOPROFILE(alloc)
movl %a6,%sp@-
movl %pc@(_C_LABEL(SysBase):w),%a6
movl %sp@(8),%d0
movl #0x50001,%d1 | MEMF_CLEAR|MEMF_REVERSE|MEMF_PUBLIC for now.
jsr %a6@(-0x2ac) | AllocVec
movl %sp@+,%a6
movl %d0,%a0 | Comply with ELF ABI
rts
ENTRY_NOPROFILE(free)
movl %a6,%sp@-
movl %pc@(_C_LABEL(SysBase):w),%a6
movl %sp@(8),%a1
jsr %a6@(-0x2b2) | FreeVec
movl %sp@+,%a6
rts