workbench/devs/networks/prism2/initializers.h

   1 /*
   2
   3 $VER: initializers.h 41.5 (30.9.2007)
   4 Copyright (C) 2000-2007 Neil Cafferkey
   5
   6 This file is free software; you can redistribute it and/or modify it
   7 under the terms of the GNU Lesser General Public License as
   8 published by the Free Software Foundation; either version 2.1 of the
   9 License, or (at your option) any later version.
  10
  11 This file is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14 Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public
  17 License along with this file; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  19 MA 02111-1307, USA.
  20
  21 */
  22
  23 #ifndef EXEC_INITIALIZERS_H
  24 #define EXEC_INITIALIZERS_H
  25
  26 #include <exec/types.h>
  27
  28
  29 /* Use the OFFSET macro as the offset parameter of one of the other
  30    macros */
  31 /*
  32 #ifdef OFFSET
  33 #undef OFFSET
  34 #endif
  35 */
  36 #define OFFSET(struct_name, struct_field) \
  37    ((UPINT)(&(((struct struct_name *)0)->struct_field)))
  38
  39 /* Use the following macros in the structure definition */
  40
  41 #define INITBYTEDEF(name) \
  42    UBYTE name ## _c; UBYTE name ## _o1; UBYTE name ## _o2; \
  43    UBYTE name ## _o3; UBYTE name ## _v; UBYTE name ## _p
  44 #define INITWORDDEF(name) \
  45    UBYTE name ## _c; UBYTE name ## _o1; UBYTE name ## _o2; \
  46    UWORD name ## _v
  47 #define INITLONGDEF(name) \
  48    UBYTE name ## _c; UBYTE name ## _o1; UBYTE name ## _o2; \
  49    ULONG name ## _v
  50 #define INITPINTDEF(name) \
  51    UBYTE name ## _c; UBYTE name ## _o1; UBYTE name ## _o2; \
  52    UPINT name ## _v
  53
  54 #define SMALLINITBYTEDEF(name) \
  55    UBYTE name ## _c; UBYTE name ## _o; UBYTE name ## _v; UBYTE name ## _p
  56 #define SMALLINITWORDDEF(name) \
  57    UBYTE name ## _c; UBYTE name ## _o; UWORD name ## _v
  58 #define SMALLINITLONGDEF(name) \
  59    UBYTE name ## _c; UBYTE name ## _o; ULONG name ## _v
  60 #define SMALLINITPINTDEF(name) \
  61    UBYTE name ## _c; UBYTE name ## _o; UPINT name ## _v
  62
  63 #define INITENDDEF UBYTE the_end
  64
  65 /* Private macro */
  66
  67 #define PINTSIZECODE (((sizeof(PINT) == sizeof(ULONG)) ? 0 : 3) << 4)
  68
  69 /* Use the following macros to fill in a structure */
  70
  71 #define NEWINITBYTE(offset, value) \
  72    0xe0, (UBYTE)((offset) >> 16), (UBYTE)((offset) >> 8), (UBYTE)(offset), \
  73    (UBYTE)(value), 0
  74 #define NEWINITWORD(offset, value) \
  75    0xd0, (UBYTE)((offset) >> 16), (UBYTE)((offset) >> 8), (UBYTE)(offset), \
  76    (UWORD)(value)
  77 #define NEWINITLONG(offset, value) \
  78    0xc0, (UBYTE)((offset) >> 16), (UBYTE)((offset) >> 8), (UBYTE)(offset), \
  79    (ULONG)(value)
  80 #define INITPINT(offset, value) \
  81    0xc0 | PINTSIZECODE, (UBYTE)((offset) >> 16), (UBYTE)((offset) >> 8), \
  82    (UBYTE)(offset), (UPINT)(value)
  83
  84 #define SMALLINITBYTE(offset, value) \
  85    0xa0, (offset), (UBYTE)(value), 0
  86 #define SMALLINITWORD(offset, value) \
  87    0x90, (offset), (UWORD)(value)
  88 #define SMALLINITLONG(offset, value) \
  89    0x80, (offset), (ULONG)(value)
  90 #define SMALLINITPINT(offset, value) \
  91    0x80 | PINTSIZECODE, (offset), (UPINT)(value)
  92
  93 #define INITEND 0
  94
  95 /* Obsolete definitions */
  96
  97 #define INITBYTE(offset, value) \
  98    (0xe000 | ((UWORD)(offset) >> 16)), \
  99    (UWORD)(offset), (UWORD)((value) << 8)
 100 #define INITWORD(offset, value) \
 101    (0xd000 | ((UWORD)(offset) >> 16)), (UWORD)(offset), (UWORD)(value)
 102 #define INITLONG(offset, value) \
 103    (0xc000 | ((UWORD)(offset) >> 16)), (UWORD)(offset), \
 104    (UWORD)((value) >> 16), (UWORD)(value)
 105 #define INITAPTR(offset, value) \
 106    (0xc000 | ((UWORD)(offset) >> 16)), (UWORD)(offset), \
 107    (UWORD)((ULONG)(value) >> 16), (UWORD)(value)
 108
 109 #endif