compiler/include/exec/initializers.h

   1 #ifndef EXEC_INITIALIZERS_H
   2 #define EXEC_INITIALIZERS_H
   3
   4 #include <aros/system.h>
   5
   6 /*
   7     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   8     $Id$
   9
  10     Desc: Macros to build init structs (eg. for InitStruct())
  11     Lang: english
  12 */
  13
  14 #define OFFSET(structName, structEntry) \
  15                                 ((IPTR)&(((struct structName *) 0)->structEntry))
  16
  17 #if AROS_BIG_ENDIAN
  18 #define INITBYTE(offset,value)  0xe000,(UWORD) (offset),(UWORD) ((value)<<8)
  19 #define INITWORD(offset,value)  0xd000,(UWORD) (offset),(UWORD) (value)
  20 #define INITLONG(offset,value)  0xc000,(UWORD) (offset), \
  21                                 (UWORD) ((value)>>16), \
  22                                 (UWORD) ((value) & 0xffff)
  23 #define INITSTRUCT(size,offset,value,count) \
  24                                 (UWORD) (0xc000|(size<<12)|(count<<8)| \
  25                                 ((UWORD) ((offset)>>16)), \
  26                                 ((UWORD) (offset)) & 0xffff)
  27 #else
  28 #define INITBYTE(offset,value)  (0x00e0 | ((((ULONG)offset) & 0xff) << 8)),(UWORD) (((ULONG)offset) >> 8),(UWORD) ((value) & 0xff)
  29 #define INITWORD(offset,value)  (0x00d0 | ((((ULONG)offset) & 0xff) << 8)),(UWORD) (((ULONG)offset) >> 8),(UWORD) (value)
  30 #define INITLONG(offset,value)  (0x00c0 | ((((ULONG)offset) & 0xff) << 8)),(UWORD) (((ULONG)offset) >> 8), \
  31                                 (UWORD) ((value) & 0xffff), \
  32                                 (UWORD) ((value) >> 16)
  33 #define INITSTRUCT(size,offset,value,count) \
  34                                 (UWORD) (0x00c0|((size)<<4)|((count)<<0)| \
  35                                 ((UWORD) ((((ULONG)offset) & 0xff) << 8))), \
  36                                 ((UWORD) (((ULONG)offset) >> 8))
  37 #endif
  38
  39 #endif /* EXEC_INITIALIZERS_H */