system/alpha/palcode/fromHudsonMacros.h

   1 #ifndef HUDSON_MACROS_LOADED
   2 #define HUDSON_MACROS_LOADED        1
   3
   4 /*
   5  *      VID: [T1.2] PT: [Fri Apr 21 16:47:16 1995] SF: [macros.h]
   6  *       TI: [/sae_users/cruz/bin/vice -iplatform.s -l// -p# -DEB164 -h -m -aeb164 ]
   7  */
   8 /*
   9 *****************************************************************************
  10 **                                                                          *
  11 **  Copyright © 1993, 1994                                                 *
  12 **  by Digital Equipment Corporation, Maynard, Massachusetts.               *
  13 **                                                                          *
  14 **  All Rights Reserved                                                     *
  15 **                                                                          *
  16 **  Permission  is  hereby  granted  to  use, copy, modify and distribute   *
  17 **  this  software  and  its  documentation,  in  both  source  code  and   *
  18 **  object  code  form,  and without fee, for the purpose of distribution   *
  19 **  of this software  or  modifications  of this software within products   *
  20 **  incorporating  an  integrated   circuit  implementing  Digital's  AXP   *
  21 **  architecture,  regardless  of the  source of such integrated circuit,   *
  22 **  provided that the  above copyright  notice and this permission notice   *
  23 **  appear  in  all copies,  and  that  the  name  of  Digital  Equipment   *
  24 **  Corporation  not  be  used  in advertising or publicity pertaining to   *
  25 **  distribution of the  document  or  software without specific, written   *
  26 **  prior permission.                                                       *
  27 **                                                                          *
  28 **  Digital  Equipment  Corporation   disclaims  all   warranties  and/or   *
  29 **  guarantees  with  regard  to  this  software,  including  all implied   *
  30 **  warranties of fitness for  a  particular purpose and merchantability,   *
  31 **  and makes  no  representations  regarding  the use of, or the results   *
  32 **  of the use of, the software and documentation in terms of correctness,  *
  33 **  accuracy,  reliability,  currentness  or  otherwise;  and you rely on   *
  34 **  the software, documentation and results solely at your own risk.        *
  35 **                                                                          *
  36 **  AXP is a trademark of Digital Equipment Corporation.                    *
  37 **                                                                          *
  38 *****************************************************************************
  39 **
  40 **  FACILITY:
  41 **
  42 **      DECchip 21164 PALcode
  43 **
  44 **  MODULE:
  45 **
  46 **      macros.h
  47 **
  48 **  MODULE DESCRIPTION:
  49 **
  50 **      DECchip 21164 PALcode macro definitions
  51 **
  52 **  AUTHOR: ER
  53 **
  54 **  CREATION DATE:  29-Nov-1993
  55 **
  56 **  $Id: fromHudsonMacros.h,v 1.1.1.1 1997/10/30 23:27:19 verghese Exp $
  57 **
  58 **  MODIFICATION HISTORY:
  59 **
  60 **  $Log: fromHudsonMacros.h,v $
  61 **  Revision 1.1.1.1  1997/10/30 23:27:19  verghese
  62 **  current 10/29/97
  63 **
  64 **  Revision 1.1  1995/11/18 01:46:23  boyle
  65 **  Initial revision
  66 **
  67 **  Revision 1.5  1994/07/08  17:03:12  samberg
  68 **  Changes to support platform specific additions
  69 **
  70 **  Revision 1.4  1994/05/20  19:24:19  ericr
  71 **  Moved STALL macro from osfpal.s to here
  72 **  Added LDLI macro
  73 **
  74 **  Revision 1.3  1994/05/20  18:08:14  ericr
  75 **  Changed line comments to C++ style comment character
  76 **
  77 **  Revision 1.2  1994/02/28  18:45:51  ericr
  78 **  Fixed EGORE related bugs
  79 **
  80 **  Revision 1.1  1993/12/16  21:55:05  eric
  81 **  Initial revision
  82 **
  83 **
  84 **--
  85 */
  86
  87 #define STALL \
  88     mfpr    r31, pt0
  89
  90 #define NOP \
  91     bis     $31, $31, $31
  92
  93 /*
  94 ** Align code on an 8K byte page boundary.
  95 */
  96
  97 #define ALIGN_PAGE \
  98     .align  13
  99
 100 /*
 101 ** Align code on a 32 byte block boundary.
 102 */
 103
 104 #define ALIGN_BLOCK \
 105     .align  5
 106
 107 /*
 108 ** Align code on a quadword boundary.
 109 */
 110
 111 #define ALIGN_BRANCH \
 112     .align  3
 113
 114 /*
 115 ** Hardware vectors go in .text 0 sub-segment.
 116 */
 117
 118 #define HDW_VECTOR(offset) \
 119     . = offset
 120
 121 /*
 122 ** Privileged CALL_PAL functions are in .text 1 sub-segment.
 123 */
 124
 125 #define CALL_PAL_PRIV(vector) \
 126     . = (PAL_CALL_PAL_PRIV_ENTRY+(vector<<6))
 127
 128 /*
 129 ** Unprivileged CALL_PAL functions are in .text 1 sub-segment,
 130 ** the privileged bit is removed from these vectors.
 131 */
 132
 133 #define CALL_PAL_UNPRIV(vector) \
 134     . = (PAL_CALL_PAL_UNPRIV_ENTRY+((vector&0x3F)<<6))
 135
 136 /*
 137 ** Implements a load "immediate" longword function
 138 */
 139 #define LDLI(reg,val) \
 140         ldah    reg, ((val+0x8000) >> 16)(zero); \
 141         lda     reg, (val&0xffff)(reg)
 142
 143
 144
 145 #endif