1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#if !defined(__lint)
30#include <sys/asm_linkage.h>
31#include <sys/privregs.h>
32#endif
33
34/*
35 * The interface for a client programs that call the 64-bit romvec OBP
36 */
37
38#if defined(__lint)
39/* ARGSUSED */
40int
41client_handler(void *cif_handler, void *arg_array)
42{
43	return (0);
44}
45#else	/* __lint */
46
47	ENTRY(client_handler)
48	save	%sp, -SA64(MINFRAME64), %sp	! 32 bit frame, 64 bit sized
49	mov	%i1, %o0
501:
51	rdpr	%pstate, %l4			! Get the present pstate value
52	andn	%l4, PSTATE_AM, %l6
53	wrpr	%l6, 0, %pstate			! Set PSTATE_AM = 0
54	jmpl	%i0, %o7			! Call cif handler
55	nop
56	wrpr	%l4, 0, %pstate			! Just restore
57	ret					! Return result ...
58	restore	%o0, %g0, %o0			! delay; result in %o0
59	SET_SIZE(client_handler)
60
61#endif	/* __lint */
62