root/sys/arch/amiga/stand/bootblock/boot/alloc.s
/* $NetBSD: alloc.s,v 1.10 2008/04/28 20:23:13 martin Exp $ */

/*-
 * Copyright (c) 1996,2006 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.
 *
 * 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@(-0xc6)     | AllocMem
        movl    %sp@+,%a6
        movl    %d0,%a0         | Comply with ELF ABI
        rts

ENTRY_NOPROFILE(dealloc)
        movl    %a6,%sp@-
        movl    %pc@(_C_LABEL(SysBase):w),%a6
        movl    %sp@(8),%a1
        movl    %sp@(12),%d0
        jsr     %a6@(-0xd2)     | FreeMem
        movl    %sp@+,%a6
        rts