/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/promif.h>
#include <sys/promimpl.h>
/*
* prom_itlb_load, prom_dtlb_load:
*
* Manage the Spitfire TLB. Returns 0 if successful, -1 otherwise.
* Flush the address in context zero mapped by tte_data and virt,
* and load the {i,d} tlb entry index with tte_data and virt.
*/
int
prom_itlb_load(int index, unsigned long long tte_data, caddr_t virt)
{
cell_t ci[9];
int rv;
ihandle_t immu = prom_mmu_ihandle();
if ((immu == (ihandle_t)-1))
return (-1);
ci[0] = p1275_ptr2cell("call-method"); /* Service name */
ci[1] = (cell_t)5; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_ptr2cell("SUNW,itlb-load"); /* Arg1: method name */
ci[4] = p1275_ihandle2cell(immu); /* Arg2: mmu ihandle */
ci[5] = p1275_ptr2cell(virt); /* Arg3: SA1: virt */
ci[6] = (cell_t)tte_data; /* Arg4: SA2: tte_data */
ci[7] = p1275_int2cell(index); /* Arg5: SA3: index */
promif_preprom();
rv = p1275_cif_handler(&ci);
promif_postprom();
if (rv != 0)
return (-1);
if (ci[8] != 0) /* Res1: Catch result */
return (-1);
return (0);
}
int
prom_dtlb_load(int index, unsigned long long tte_data, caddr_t virt)
{
cell_t ci[9];
int rv;
ihandle_t immu = prom_mmu_ihandle();
if ((immu == (ihandle_t)-1))
return (-1);
ci[0] = p1275_ptr2cell("call-method"); /* Service name */
ci[1] = (cell_t)5; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_ptr2cell("SUNW,dtlb-load"); /* Arg1: method name */
ci[4] = p1275_ihandle2cell(immu); /* Arg2: mmu ihandle */
ci[5] = p1275_ptr2cell(virt); /* Arg3: SA1: virt */
ci[6] = (cell_t)tte_data; /* Arg4: SA2: tte_data */
ci[7] = p1275_int2cell(index); /* Arg5: SA3: index */
promif_preprom();
rv = p1275_cif_handler(&ci);
promif_postprom();
if (rv != 0)
return (-1);
if (ci[8] != 0) /* Res1: Catch result */
return (-1);
return (0);
}