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 2000,2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Assembly code support for Memory Control driver
  27  */
  28 
  29 #include "assym.h"
  30 #include <sys/mc-us3.h>
  31 
  32 #include <sys/asm_linkage.h>
  33 
  34         ! This routine is to get content of Memory Control Registers
  35         ENTRY(get_mcr)
  36         ! input
  37         ! %i0 is the VA for Memory Control Registers
  38         !
  39         ldxa    [%o0]ASI_MCU_CTRL,      %o0
  40         retl
  41           nop
  42         SET_SIZE(get_mcr)
  43