rfios_asm.s revision 4df55fde49134f9735f84011f23a767c75e393c7
/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Assembly language support for the iospc IO performance counter driver.
*/
#include <sys/asm_linkage.h>
#include <sys/hypervisor_api.h>
#include "rfios_acc.h"
/*LINTLIBRARY*/
#if defined(lint)
/*ARGSUSED*/
int
rfiospc_get_perfreg(cntr_handle_t handle, int regid, uint64_t *data)
{ return (0); }
/*ARGSUSED*/
int
rfiospc_set_perfreg(cntr_handle_t handle, int regid, uint64_t data)
{ return (0); }
#else /* lint */
ENTRY(rfiospc_get_perfreg)
mov RFIOS_GET_PERFREG, %o5
ta FAST_TRAP
brz,a %o0, 1f
stx %o1, [%o2]
1: retl
nop
SET_SIZE(rfiospc_get_perfreg)
ENTRY(rfiospc_set_perfreg)
mov RFIOS_SET_PERFREG, %o5
ta FAST_TRAP
retl
nop
SET_SIZE(rfiospc_set_perfreg)
#endif