xref: /titanic_41/usr/src/uts/sun4v/io/fpc/fpc-asm-4v.s (revision 3173664e967186de0a5f0e61548c25996fa6d37f)
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2006 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/*
30 * Assembly language support for sun4v px driver
31 */
32
33#include <sys/asm_linkage.h>
34#include <sys/machthread.h>
35#include <sys/privregs.h>
36#include <sys/hypervisor_api.h>
37#include "fpc-impl-4v.h"
38
39/*LINTLIBRARY*/
40
41#if defined(lint)
42
43#include "fpc-impl-4v.h"
44
45/*ARGSUSED*/
46int
47fpc_get_fire_perfreg(devhandle_t dev_hdl, int regid, uint64_t *data)
48{ return (0); }
49
50/*ARGSUSED*/
51int
52fpc_set_fire_perfreg(devhandle_t dev_hdl, int regid, uint64_t data)
53{ return (0); }
54
55#else /* lint */
56
57	/*
58	 * fpc_get_fire_perfreg(devhandle_t dev_hdl, int regid, uint64_t *data)
59	 */
60	ENTRY(fpc_get_fire_perfreg)
61	mov	FIRE_GET_PERFREG, %o5
62	ta	FAST_TRAP
63	brz,a	%o0, 1f
64	stx	%o1, [%o2]
651:	retl
66	nop
67	SET_SIZE(fpc_get_fire_perfreg)
68
69	/*
70	 * fpc_set_fire_perfreg(devhandle_t dev_hdl, int regid, uint64_t data)
71	 */
72	ENTRY(fpc_set_fire_perfreg)
73	mov	FIRE_SET_PERFREG, %o5
74	ta	FAST_TRAP
75	retl
76	nop
77	SET_SIZE(fpc_set_fire_perfreg)
78
79
80#endif
81