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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 2003 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 #include <sys/machthread.h>
     31 #include <sys/fsr.h>
     32 
     33 /*LINTLIBRARY*/
     34 
     35 #define	VIS_BLOCKSIZE	64
     36 
     37 #if defined(lint)
     38 
     39 void
     40 tomatillo_store_store_order()
     41 {}
     42 
     43 #else /* lint */
     44 
     45 	.seg    ".data"
     46 	.align  VIS_BLOCKSIZE
     47 	.type   sync_buf, #object
     48 sync_buf:
     49 	.skip   VIS_BLOCKSIZE
     50 	.size   sync_buf, VIS_BLOCKSIZE
     51 
     52 	ENTRY(tomatillo_store_store_order)
     53 	set	sync_buf, %o1
     54 
     55 	rd	%fprs, %o2			! %o2 = saved fprs
     56 	or	%o2, FPRS_FEF, %o3
     57 	wr	%g0, %o3, %fprs			! make sure fp is enabled
     58 	stda    %d0, [%o1]ASI_BLK_COMMIT_P
     59 	wr	%o2, 0, %fprs			! restore fprs
     60 
     61 	retl
     62 	membar  #Sync
     63 	SET_SIZE(tomatillo_store_store_order)
     64 
     65 #endif /* lint */
     66