[src/nathanw_sa]: src/sys/arch/amiga/stand/bootblock/boot ELF ABI requires ad...

[mhitch <mhitch%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d4eab58feaec
branches:  nathanw_sa
changeset: 504573:d4eab58feaec
user:      mhitch <mhitch%NetBSD.org@localhost>
date:      Sun Mar 11 20:10:05 2001 +0000

description:
ELF ABI requires address to be returned in A0.

diffstat:

 sys/arch/amiga/stand/bootblock/boot/alloc.s |  62 +++++++++++++++++++++++++++++
 1 files changed, 62 insertions(+), 0 deletions(-)

diffs (66 lines):

diff -r c2b76a15b926 -r d4eab58feaec sys/arch/amiga/stand/bootblock/boot/alloc.s
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/amiga/stand/bootblock/boot/alloc.s       Sun Mar 11 20:10:05 2001 +0000
@@ -0,0 +1,62 @@
+/* $NetBSD: alloc.s,v 1.8.8.2 2001/03/11 20:10:05 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
+