prom_set_traptable.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/promif.h>
#include <sys/promimpl.h>
/*
* This interface allows the client to safely take over the %tba by
* the prom's service. The prom will take care of the quiescence of
* interrupts and handle any pending soft interrupts.
*/
void
prom_set_traptable(void *tba_addr)
{
cell_t ci[4];
ci[0] = p1275_ptr2cell("SUNW,set-trap-table"); /* Service name */
ci[1] = (cell_t) 1; /* #argument cells */
ci[2] = (cell_t) 0; /* #result cells */
ci[3] = p1275_ptr2cell(tba_addr); /* Arg1: tba address */
promif_preprom();
(void) p1275_cif_handler(&ci);
promif_postprom();
}