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 2005 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#include <sys/promif.h>
30#include <sys/promimpl.h>
31
32/*
33 * This interface allows the client to safely take over the %tba by
34 * the prom's service. The prom will take care of the quiescence of
35 * interrupts and handle any pending soft interrupts.
36 * This call also sets the MMU fault status area for the cpu.
37 */
38void
39prom_set_mmfsa_traptable(void *tba_addr, uint64_t mmfsa_ra)
40{
41	cell_t ci[5];
42
43	ci[0] = p1275_ptr2cell("SUNW,set-trap-table");	/* Service name */
44	ci[1] = (cell_t)2;			/* #argument cells */
45	ci[2] = (cell_t)0;			/* #result cells */
46	ci[3] = p1275_ptr2cell(tba_addr);	/* Arg1: tba address */
47	ci[4] = p1275_ptr2cell(mmfsa_ra);	/* Arg2: mmfsa RA */
48
49	promif_preprom();
50	(void) p1275_cif_handler(&ci);
51	promif_postprom();
52}
53