xref: /illumos-gate/usr/src/uts/sun4u/io/pci/pcisch_asm.S (revision 5d9d9091f564c198a760790b0bfa72c44e17912b)
1*5d9d9091SRichard Lowe/*
2*5d9d9091SRichard Lowe * CDDL HEADER START
3*5d9d9091SRichard Lowe *
4*5d9d9091SRichard Lowe * The contents of this file are subject to the terms of the
5*5d9d9091SRichard Lowe * Common Development and Distribution License, Version 1.0 only
6*5d9d9091SRichard Lowe * (the "License").  You may not use this file except in compliance
7*5d9d9091SRichard Lowe * with the License.
8*5d9d9091SRichard Lowe *
9*5d9d9091SRichard Lowe * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*5d9d9091SRichard Lowe * or http://www.opensolaris.org/os/licensing.
11*5d9d9091SRichard Lowe * See the License for the specific language governing permissions
12*5d9d9091SRichard Lowe * and limitations under the License.
13*5d9d9091SRichard Lowe *
14*5d9d9091SRichard Lowe * When distributing Covered Code, include this CDDL HEADER in each
15*5d9d9091SRichard Lowe * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*5d9d9091SRichard Lowe * If applicable, add the following below this CDDL HEADER, with the
17*5d9d9091SRichard Lowe * fields enclosed by brackets "[]" replaced with your own identifying
18*5d9d9091SRichard Lowe * information: Portions Copyright [yyyy] [name of copyright owner]
19*5d9d9091SRichard Lowe *
20*5d9d9091SRichard Lowe * CDDL HEADER END
21*5d9d9091SRichard Lowe */
22*5d9d9091SRichard Lowe/*
23*5d9d9091SRichard Lowe * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24*5d9d9091SRichard Lowe * Use is subject to license terms.
25*5d9d9091SRichard Lowe */
26*5d9d9091SRichard Lowe
27*5d9d9091SRichard Lowe#include <sys/asm_linkage.h>
28*5d9d9091SRichard Lowe#include <sys/machthread.h>
29*5d9d9091SRichard Lowe#include <sys/fsr.h>
30*5d9d9091SRichard Lowe
31*5d9d9091SRichard Lowe/*LINTLIBRARY*/
32*5d9d9091SRichard Lowe
33*5d9d9091SRichard Lowe#define	VIS_BLOCKSIZE	64
34*5d9d9091SRichard Lowe
35*5d9d9091SRichard Lowe	.seg    ".data"
36*5d9d9091SRichard Lowe	.align  VIS_BLOCKSIZE
37*5d9d9091SRichard Lowe	.type   sync_buf, #object
38*5d9d9091SRichard Lowesync_buf:
39*5d9d9091SRichard Lowe	.skip   VIS_BLOCKSIZE
40*5d9d9091SRichard Lowe	.size   sync_buf, VIS_BLOCKSIZE
41*5d9d9091SRichard Lowe
42*5d9d9091SRichard Lowe	ENTRY(tomatillo_store_store_order)
43*5d9d9091SRichard Lowe	set	sync_buf, %o1
44*5d9d9091SRichard Lowe
45*5d9d9091SRichard Lowe	rd	%fprs, %o2			! %o2 = saved fprs
46*5d9d9091SRichard Lowe	or	%o2, FPRS_FEF, %o3
47*5d9d9091SRichard Lowe	wr	%g0, %o3, %fprs			! make sure fp is enabled
48*5d9d9091SRichard Lowe	stda    %d0, [%o1]ASI_BLK_COMMIT_P
49*5d9d9091SRichard Lowe	wr	%o2, 0, %fprs			! restore fprs
50*5d9d9091SRichard Lowe
51*5d9d9091SRichard Lowe	retl
52*5d9d9091SRichard Lowe	membar  #Sync
53*5d9d9091SRichard Lowe	SET_SIZE(tomatillo_store_store_order)
54*5d9d9091SRichard Lowe
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