xref: /illumos-gate/usr/src/uts/sparc/asm/flush.h (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
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 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _ASM_FLUSH_H
28 #define	_ASM_FLUSH_H
29 
30 #include <sys/ccompile.h>
31 #include <sys/types.h>
32 
33 #ifdef	__cplusplus
34 extern "C" {
35 #endif
36 
37 #if !defined(__lint) && defined(__GNUC__)
38 
39 extern __GNU_INLINE void
40 doflush(void *addr)
41 {
42 #if defined(__sparcv9)
43 	__asm__ __volatile__(
44 	    "andn	%0, 3, %0\n\t"
45 	    "flush	%0\n\t"
46 	    : "=r" (addr)
47 	    : "0" (addr));
48 #else
49 #error	"port me"
50 #endif
51 }
52 
53 #endif	/* !__lint && __GNUC__ */
54 
55 #ifdef	__cplusplus
56 }
57 #endif
58 
59 #endif	/* _ASM_FLUSH_H */
60