workbench/libs/initstruct.h

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Defines and macros to create and fill an inittable
   6     Lang: english
   7 */
   8 #ifndef _INITSTRUCT_H_
   9 #define _INITSTRUCT_H_
  10 #ifndef EXEC_TYPES_H
  11 #   include <exec/types.h>
  12 #endif
  13
  14 typedef BYTE type_B;
  15 typedef WORD type_W;
  16 typedef LONG type_L;
  17
  18 #define S_DEF(i,l) union                                                        \
  19                    {                                                            \
  20                      struct _##i { l } _l;                                      \
  21                      char _s[(sizeof(struct _##i)+AROS_LONGALIGN-1)&~(AROS_LONGALIGN-1)]; \
  22                    } _##i
  23
  24
  25 #define CODE_B 0x20
  26 #define CODE_W 0x10
  27 #define CODE_L 0x00
  28
  29 #define S_CPY(i,n,t)      S_DEF(i,UBYTE _cmd; type_##t _data[(n)];)
  30 #define S_REP(i,n,t)      S_DEF(i,UBYTE _cmd; type_##t _data;)
  31 #define S_CPYO(i,n,t)     S_DEF(i,UBYTE _cmd; UBYTE _ofst; type_##t _data[(n)];)
  32 #define S_CPYO24(i,n,t)   S_DEF(i,ULONG _cmd; type_##t _data[(n)];)
  33 #define S_END(i)          UBYTE _##i
  34 #define I_CPY(n,t)        CODE_##t|((n)-1)
  35 #define I_REP(n,t)        0x40|CODE_##t|((n)-1)
  36 #define I_CPYO(n,t,o)     0x80|CODE_##t|((n)-1), (o)
  37 #if AROS_BIG_ENDIAN
  38 #define I_CPYO24(n,t,o)   (0xc0|CODE_##t|((n)-1))<<24|(o)
  39 #else
  40 #define I_CPYO24(n,t,o)   0xc0|CODE_##t|((n)-1)|(o)<<8
  41 #endif
  42 #define I_END()           0
  43
  44 #endif