root/usr/src/uts/sun4u/daktari/ml/daktari_asm.S
/*
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include "assym.h"

#include <sys/asm_linkage.h>
#include <sys/param.h>
#include <sys/privregs.h>
#include <sys/machasi.h>
#include <sys/mmu.h>
#include <sys/machthread.h>
#include <sys/pte.h>
#include <sys/stack.h>
#include <sys/vis.h>
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/vtrace.h>
#include <sys/clock.h>
#include <sys/asi.h>
#include <sys/fsr.h>
#include <sys/cheetahregs.h>

!
! Load the safari address for a specific cpu
!
!
        ENTRY(lddsafaddr)
#ifndef __sparcv9
        sllx    %o0, 32, %o0    ! shift upper 32 bits
        srl     %o1, 0, %o1     ! clear upper 32 bits
        or      %o0, %o1, %o0   ! form 64 bit physaddr in %o0 using (%o0,%o1)
#endif
        rdpr    %pstate, %o4
        andn    %o4, PSTATE_IE | PSTATE_AM, %o5
        wrpr    %o5, 0, %pstate ! clear IE, AM bits
#ifdef __sparcv9
        ldxa    [%o0]ASI_SAFARI_CONFIG, %o0
#else
        ldxa    [%o0]ASI_SAFARI_CONFIG, %g1
        srlx    %g1, 32, %o0    ! put the high 32 bits in low part of o0
        srl     %g1, 0, %o1     ! put lower 32 bits in o1, clear upper 32 bits
#endif
        retl
        wrpr    %g0, %o4, %pstate       ! restore earlier pstate register value
        SET_SIZE(lddsafaddr)

!
! Load the mc_decode reg for this cpu.
!
!
        ENTRY(lddmcdecode)
#ifndef __sparcv9
        sllx    %o0, 32, %o0    ! shift upper 32 bits
        srl     %o1, 0, %o1     ! clear upper 32 bits
        or      %o0, %o1, %o0   ! form 64 bit physaddr in %o0 using (%o0,%o1)
#endif
        rdpr    %pstate, %o4
        andn    %o4, PSTATE_IE | PSTATE_AM, %o5
        wrpr    %o5, 0, %pstate ! clear IE, AM bits
#ifdef __sparcv9
        ldxa    [%o0]ASI_MC_DECODE, %o0
#else
        ldxa    [%o0]ASI_MC_DECODE, %g1
        srlx    %g1, 32, %o0    ! put the high 32 bits in low part of o0
        srl     %g1, 0, %o1     ! put lower 32 bits in o1, clear upper 32 bits
#endif
        retl
        wrpr    %g0, %o4, %pstate       ! restore earlier pstate register value
        SET_SIZE(lddmcdecode)