xref: /titanic_52/usr/src/uts/sun4u/io/pci/pcisch_asm.s (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate/*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate/*
23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate#pragma	ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate
29*7c478bd9Sstevel@tonic-gate#include <sys/asm_linkage.h>
30*7c478bd9Sstevel@tonic-gate#include <sys/machthread.h>
31*7c478bd9Sstevel@tonic-gate#include <sys/fsr.h>
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate/*LINTLIBRARY*/
34*7c478bd9Sstevel@tonic-gate
35*7c478bd9Sstevel@tonic-gate#define	VIS_BLOCKSIZE	64
36*7c478bd9Sstevel@tonic-gate
37*7c478bd9Sstevel@tonic-gate#if defined(lint)
38*7c478bd9Sstevel@tonic-gate
39*7c478bd9Sstevel@tonic-gatevoid
40*7c478bd9Sstevel@tonic-gatetomatillo_store_store_order()
41*7c478bd9Sstevel@tonic-gate{}
42*7c478bd9Sstevel@tonic-gate
43*7c478bd9Sstevel@tonic-gate#else /* lint */
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate	.seg    ".data"
46*7c478bd9Sstevel@tonic-gate	.align  VIS_BLOCKSIZE
47*7c478bd9Sstevel@tonic-gate	.type   sync_buf, #object
48*7c478bd9Sstevel@tonic-gatesync_buf:
49*7c478bd9Sstevel@tonic-gate	.skip   VIS_BLOCKSIZE
50*7c478bd9Sstevel@tonic-gate	.size   sync_buf, VIS_BLOCKSIZE
51*7c478bd9Sstevel@tonic-gate
52*7c478bd9Sstevel@tonic-gate	ENTRY(tomatillo_store_store_order)
53*7c478bd9Sstevel@tonic-gate	set	sync_buf, %o1
54*7c478bd9Sstevel@tonic-gate
55*7c478bd9Sstevel@tonic-gate	rd	%fprs, %o2			! %o2 = saved fprs
56*7c478bd9Sstevel@tonic-gate	or	%o2, FPRS_FEF, %o3
57*7c478bd9Sstevel@tonic-gate	wr	%g0, %o3, %fprs			! make sure fp is enabled
58*7c478bd9Sstevel@tonic-gate	stda    %d0, [%o1]ASI_BLK_COMMIT_P
59*7c478bd9Sstevel@tonic-gate	wr	%o2, 0, %fprs			! restore fprs
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate	retl
62*7c478bd9Sstevel@tonic-gate	membar  #Sync
63*7c478bd9Sstevel@tonic-gate	SET_SIZE(tomatillo_store_store_order)
64*7c478bd9Sstevel@tonic-gate
65*7c478bd9Sstevel@tonic-gate#endif /* lint */
66