compiler/include/exec/memory.h

   1 #ifndef EXEC_MEMORY_H
   2 #define EXEC_MEMORY_H
   3
   4 /*
   5     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Memory handling
   9     Lang: english
  10 */
  11
  12 #ifndef EXEC_NODES_H
  13 #   include <exec/nodes.h>
  14 #endif
  15
  16 struct MemHeader
  17 {
  18     struct Node       mh_Node;
  19     UWORD             mh_Attributes;
  20     struct MemChunk * mh_First;
  21     APTR              mh_Lower;
  22     APTR              mh_Upper;
  23     ULONG             mh_Free;
  24 };
  25
  26 struct MemChunk
  27 {
  28     struct MemChunk * mc_Next;
  29     ULONG             mc_Bytes;
  30 };
  31
  32 struct MemEntry
  33 {
  34     union
  35     {
  36         ULONG meu_Reqs;
  37         APTR  meu_Addr;
  38     } me_Un;
  39     ULONG me_Length;
  40 };
  41 #define me_Reqs me_Un.meu_Reqs
  42 #define me_Addr me_Un.meu_Addr
  43
  44 struct MemList
  45 {
  46     struct Node     ml_Node;
  47     UWORD           ml_NumEntries;
  48     struct MemEntry ml_ME[1];
  49 };
  50
  51 #define MEM_BLOCKSIZE 8L
  52 #define MEM_BLOCKMASK (MEM_BLOCKSIZE - 1)
  53
  54 /* AllocMem() Flags */
  55 #define MEMF_ANY        0L
  56 #define MEMF_PUBLIC     (1L<<0)
  57 #define MEMF_CHIP       (1L<<1)
  58 #define MEMF_FAST       (1L<<2)
  59 #define MEMF_LOCAL      (1L<<8)
  60 #define MEMF_24BITDMA   (1L<<9)
  61 #define MEMF_KICK       (1L<<10)
  62 #define MEMF_CLEAR      (1L<<16)
  63 #define MEMF_LARGEST    (1L<<17)
  64 #define MEMF_REVERSE    (1L<<18)
  65 #define MEMF_TOTAL      (1L<<19)
  66 #define MEMF_NO_EXPUNGE (1L<<31)
  67
  68 /* New in AROS/MorphOS. Flag for CreatePool to get automatic
  69    semaphore protection */
  70 #define MEMF_SEM_PROTECTED (1L << 20)
  71
  72 struct MemHandlerData
  73 {
  74     ULONG memh_RequestSize;
  75     ULONG memh_RequestFlags;
  76     ULONG memh_Flags;
  77 };
  78
  79 #define MEMHF_RECYCLE (1L<<0)
  80
  81 #define MEM_ALL_DONE    (-1)
  82 #define MEM_DID_NOTHING 0
  83 #define MEM_TRY_AGAIN   1
  84
  85 #endif /* EXEC_MEMORY_H */