1*7c478bd9Sstevel@tonic-gate/*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate/*
23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate
29*7c478bd9Sstevel@tonic-gate#if !defined(__lint)
30*7c478bd9Sstevel@tonic-gate#include <sys/asm_linkage.h>
31*7c478bd9Sstevel@tonic-gate#include <sys/privregs.h>
32*7c478bd9Sstevel@tonic-gate#endif
33*7c478bd9Sstevel@tonic-gate
34*7c478bd9Sstevel@tonic-gate/*
35*7c478bd9Sstevel@tonic-gate * The interface for a client programs that call the 64-bit romvec OBP
36*7c478bd9Sstevel@tonic-gate */
37*7c478bd9Sstevel@tonic-gate
38*7c478bd9Sstevel@tonic-gate#if defined(__lint)
39*7c478bd9Sstevel@tonic-gate/* ARGSUSED */
40*7c478bd9Sstevel@tonic-gateint
41*7c478bd9Sstevel@tonic-gateclient_handler(void *cif_handler, void *arg_array)
42*7c478bd9Sstevel@tonic-gate{
43*7c478bd9Sstevel@tonic-gate	return (0);
44*7c478bd9Sstevel@tonic-gate}
45*7c478bd9Sstevel@tonic-gate#else	/* __lint */
46*7c478bd9Sstevel@tonic-gate
47*7c478bd9Sstevel@tonic-gate	ENTRY(client_handler)
48*7c478bd9Sstevel@tonic-gate	save	%sp, -SA64(MINFRAME64), %sp	! 32 bit frame, 64 bit sized
49*7c478bd9Sstevel@tonic-gate	mov	%i1, %o0
50*7c478bd9Sstevel@tonic-gate1:
51*7c478bd9Sstevel@tonic-gate	rdpr	%pstate, %l4			! Get the present pstate value
52*7c478bd9Sstevel@tonic-gate	andn	%l4, PSTATE_AM, %l6
53*7c478bd9Sstevel@tonic-gate	wrpr	%l6, 0, %pstate			! Set PSTATE_AM = 0
54*7c478bd9Sstevel@tonic-gate	jmpl	%i0, %o7			! Call cif handler
55*7c478bd9Sstevel@tonic-gate	nop
56*7c478bd9Sstevel@tonic-gate	wrpr	%l4, 0, %pstate			! Just restore
57*7c478bd9Sstevel@tonic-gate	ret					! Return result ...
58*7c478bd9Sstevel@tonic-gate	restore	%o0, %g0, %o0			! delay; result in %o0
59*7c478bd9Sstevel@tonic-gate	SET_SIZE(client_handler)
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate#endif	/* __lint */
62