rom/exec/exec_intern.h

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Private data belonging to exec.library
   6     Lang:
   7 */
   8 #ifndef __EXEC_INTERN_H__
   9 #define __EXEC_INTERN_H__
  10
  11 /* This is a short file that contains a few things every Exec function
  12     needs */
  13
  14 #include <aros/debug.h> /* Needed for aros_print_not_implemented macro */
  15 #include <aros/system.h>
  16 #include <aros/libcall.h>
  17 #include <exec/execbase.h>
  18 #include <kernel/scheduler.h>
  19 #include <proto/exec.h>
  20
  21 #include <exec_platform.h>
  22
  23 #define ALERT_BUFFER_SIZE 2048
  24
  25 /* Internals of this structure are host-specific, we don't know them here */
  26 struct HostInterface;
  27
  28 /* A private portion of ExecBase */
  29 struct IntExecBase
  30 {
  31     struct ExecBase pub;
  32     struct List ResetHandlers;                  /* Reset handlers list                                  */
  33     struct MinList AllocMemList;                /* Mungwall allocations list                            */
  34     struct SignalSemaphore MemListSem;          /* Memory list protection semaphore                     */
  35     struct SignalSemaphore LowMemSem;           /* Lock for single-threading low memory handlers        */
  36     APTR   KernelBase;                          /* kernel.resource base                                 */
  37     struct Library *DebugBase;                  /* debug.library base                                   */
  38     ULONG  PageSize;                            /* Memory page size                                     */
  39     ULONG  IntFlags;                            /* Internal flags, see below                            */
  40     struct MsgPort *RemTaskPort;                /* port used for RemTask() memory cleanup               */
  41     struct Exec_PlatformData PlatformData;      /* Platform-specific stuff                              */
  42     char   AlertBuffer[ALERT_BUFFER_SIZE];      /* Buffer for alert text                                */
  43 };
  44
  45 #define PrivExecBase(base) ((struct IntExecBase *)base)
  46 #define PD(base)   PrivExecBase(base)->PlatformData
  47 #define KernelBase PrivExecBase(SysBase)->KernelBase
  48 #define DebugBase  PrivExecBase(SysBase)->DebugBase
  49
  50 /* IntFlags */
  51 #define EXECF_MungWall   0x0001 /* This flag can't be changed at runtime */
  52 #define EXECF_StackSnoop 0x0002
  53
  54 #if UseLVOs
  55 extern void __AROS_InitExecBase (void);
  56 #endif
  57
  58 APTR allocBootMem(struct MemHeader *mh, ULONG size);
  59 struct ExecBase *PrepareExecBase(struct MemHeader *mh, struct TagItem *tags);
  60 void InitExecBase(struct ExecBase *SysBase, ULONG negsize, struct TagItem *msg);
  61 struct ExecBase *PrepareExecBaseMove(struct ExecBase *oldSysBase);
  62 BOOL Exec_PreparePlatform(struct Exec_PlatformData *pdata, struct TagItem *tags);
  63
  64 void InitKickTags(struct ExecBase *SysBase);
  65 UWORD GetSysBaseChkSum(struct ExecBase *sysbase);
  66 void SetSysBaseChkSum(void);
  67 BOOL IsSysBaseValid(struct ExecBase *sysbase);
  68
  69 IPTR cpu_SuperState();
  70
  71 #endif /* __EXEC_INTERN_H__ */