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#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <sys/asm_linkage.h>
30
31#define	NOP_4		nop;nop;nop;nop
32#define	NOP_16		NOP_4;NOP_4;NOP_4;NOP_4
33#define	NOP_64		NOP_16;NOP_16;NOP_16;NOP_16
34#define	NOP_256		NOP_64;NOP_64;NOP_64;NOP_64
35#define	NOP_1K		NOP_256;NOP_256;NOP_256;NOP_256
36#define	NOP_4K		NOP_1K;NOP_1K;NOP_1K;NOP_1K
37#define	NOP_16K		NOP_4K;NOP_4K;NOP_4K;NOP_4K
38
39/* flushes the icache using a series of nops */
40
41#ifdef __lint
42
43void
44iflush(void)
45{
46}
47
48#else
49
50ENTRY(iflush)
51	NOP_4K
52	NOP_4K
53	retl
54	nop
55SET_SIZE(iflush)
56
57#endif
58