xref: /titanic_44/usr/src/uts/sun4v/io/ds_pri_hcall.s (revision a4aeef46cda1835da2b19f8f62b4526de6521e6c)
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 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * Hypervisor calls called by ds_pri driver.
29 */
30
31#include <sys/asm_linkage.h>
32#include <sys/hypervisor_api.h>
33
34#if defined(lint) || defined(__lint)
35
36/*ARGSUSED*/
37uint64_t
38hv_mach_pri(uint64_t buffer_ra, uint64_t *buffer_sizep)
39{ return (0); }
40
41#else	/* lint || __lint */
42
43	/*
44	 * MACH_PRI
45	 * arg0 buffer real address
46	 * arg1 pointer to uint64_t for size of buffer
47	 * ret0 status
48	 * ret1 return required size of buffer / returned data size
49	 */
50	ENTRY(hv_mach_pri)
51	mov	%o1, %o4		! save datap
52	ldx	[%o1], %o1
53	mov	HV_MACH_PRI, %o5
54	ta	FAST_TRAP
55	retl
56	stx	%o1, [%o4]
57	SET_SIZE(hv_mach_pri)
58
59#endif	/* lint || __lint */
60