root/trunk/sparc_subr_sol.s

Revision 2, 1.8 kB (checked in by wez, 9 years ago)

Initial revision

  • Property svn:eol-style set to native
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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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26
27 #pragma ident   "@(#)asm_subr.s 1.3     05/06/08 SMI"
28
29 #include <sys/asm_linkage.h>
30
31 #if defined(lint)
32
33 void *
34 getfp(void)
35 {
36         return (NULL);
37 }
38
39 void
40 flush_windows(void)
41 {
42
43 }
44
45 #ifndef UMEM_STANDALONE
46 void
47 _breakpoint(void)
48 {
49         return;
50 }
51 #endif
52
53 #else   /* lint */
54
55         ENTRY(getfp)
56         retl
57         mov     %fp, %o0
58         SET_SIZE(getfp)
59
60 #ifdef UMEM_STANDALONE
61 #ifdef __sparcv9
62
63         /*
64          * The caller doesn't need the top window to be flushed, so this
65          * is sufficient.
66          */
67         ENTRY(flush_windows)
68         retl
69         flushw
70         SET_SIZE(flush_windows)
71
72 #else   /* !__sparcv9 */
73 #error  "This file does not provide a pre-v9 standalone flush_windows"
74 #endif  /* __sparcv9 */
75
76 #else   /* !UMEM_STANDALONE */
77
78         ENTRY(flush_windows)
79         retl
80         ta      0x3
81         SET_SIZE(flush_windows)
82
83 #endif  /* UMEM_STANDALONE */
84
85 #ifndef UMEM_STANDALONE
86         ENTRY(_breakpoint)
87         retl
88         ta      0x1
89         SET_SIZE(_breakpoint)
90 #endif
91
92 #endif  /* lint */
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