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 44