usr/src/uts/sun4u/serengeti/ml/serengeti_asm.s

   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 2005 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 "assym.h"
  30
  31 #include <sys/asm_linkage.h>
  32 #include <sys/param.h>
  33 #include <sys/privregs.h>
  34 #include <sys/machasi.h>
  35 #include <sys/mmu.h>
  36 #include <sys/machthread.h>
  37 #include <sys/pte.h>
  38 #include <sys/stack.h>
  39 #include <sys/vis.h>
  40 #include <sys/param.h>
  41 #include <sys/errno.h>
  42 #include <sys/vtrace.h>
  43 #include <sys/clock.h>
  44 #include <sys/asi.h>
  45 #include <sys/fsr.h>
  46 #include <sys/cheetahregs.h>
  47
  48
  49 !
  50 ! Load the safari address for a specific cpu
  51 !
  52 !
  53         ENTRY(lddsafaddr)
  54         rdpr    %pstate, %o4
  55         andn    %o4, PSTATE_IE | PSTATE_AM, %o5
  56         wrpr    %o5, 0, %pstate ! clear IE, AM bits
  57         ldxa    [%o0]ASI_SAFARI_CONFIG, %o0
  58         retl
  59         wrpr    %g0, %o4, %pstate       ! restore earlier pstate register value
  60         SET_SIZE(lddsafaddr)
  61
  62 !
  63 ! Load the mc_decode reg for this cpu.
  64 !
  65 !
  66         ENTRY(lddmcdecode)
  67         rdpr    %pstate, %o4
  68         andn    %o4, PSTATE_IE | PSTATE_AM, %o5
  69         wrpr    %o5, 0, %pstate ! clear IE, AM bits
  70         ldxa    [%o0]ASI_MC_DECODE, %o0
  71         retl
  72         wrpr    %g0, %o4, %pstate       ! restore earlier pstate register value
  73         SET_SIZE(lddmcdecode)
  74