mc-us3_asm.s revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2000,2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Assembly code support for Memory Control driver
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#if !defined(lint)
#include "assym.h"
#include <sys/mc-us3.h>
#endif /* lint */
#include <sys/asm_linkage.h>
#if defined(lint)
/*
* routine to get value of Memory Control Registers
*/
/* ARGSUSED */
uint64_t
get_mcr(int offset)
{
return ((uint64_t)0);
}
#else /* lint */
! This routine is to get content of Memory Control Registers
ENTRY(get_mcr)
! input
! %i0 is the VA for Memory Control Registers
!
ldxa [%o0]ASI_MCU_CTRL, %o0
retl
nop
SET_SIZE(get_mcr)
#endif /* lint */