2 Copyright © 1995-2011, The AROS Development Team. All rights reserved.
5 Desc: Private data belonging to exec.library
8 #ifndef __EXEC_INTERN_H__
9 #define __EXEC_INTERN_H__
11 /* This is a short file that contains a few things every Exec function needs */
13 #include <aros/debug.h> /* Needed for aros_print_not_implemented macro */
14 #include <aros/system.h>
15 #include <aros/libcall.h>
16 #include <exec/execbase.h>
17 #include <proto/exec.h>
19 #include <exec_platform.h>
21 #define ALERT_BUFFER_SIZE 2048
23 /* Internals of this structure are host-specific, we don't know them here */
26 /* A private portion of ExecBase */
30 struct List ResetHandlers
; /* Reset handlers list */
31 struct MinList AllocMemList
; /* Mungwall allocations list */
32 struct SignalSemaphore MemListSem
; /* Memory list protection semaphore */
33 struct SignalSemaphore LowMemSem
; /* Lock for single-threading low memory handlers */
34 APTR KernelBase
; /* kernel.resource base */
35 struct Library
*DebugBase
; /* debug.library base */
36 ULONG PageSize
; /* Memory page size */
37 ULONG IntFlags
; /* Internal flags, see below */
38 struct MsgPort
*ServicePort
; /* Message port for service task */
39 int TaskStorageSize
; /* Size of buffer in tc_ETask->et_TaskStorage */
40 struct MinList TaskStorageSlots
; /* List of free slots, always one element with next slot */
41 struct Exec_PlatformData PlatformData
; /* Platform-specific stuff */
42 char AlertBuffer
[ALERT_BUFFER_SIZE
]; /* Buffer for alert text */
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
51 #define EXECF_MungWall 0x0001 /* This flag can't be changed at runtime */
52 #define EXECF_StackSnoop 0x0002
54 /* Additional private task states */
55 #define TS_SERVICE 128
57 #define TASKSTORAGEPUDDLE 256*sizeof(IPTR)
60 extern void __AROS_InitExecBase (void);
63 struct ExecBase
*PrepareExecBase(struct MemHeader
*mh
, struct TagItem
*tags
);
64 void InitExecBase(struct ExecBase
*SysBase
, ULONG negsize
, struct TagItem
*msg
);
65 struct ExecBase
*PrepareExecBaseMove(struct ExecBase
*oldSysBase
);
66 BOOL
Exec_PreparePlatform(struct Exec_PlatformData
*pdata
, struct TagItem
*tags
);
68 void InitKickTags(struct ExecBase
*SysBase
);
69 UWORD
GetSysBaseChkSum(struct ExecBase
*sysbase
);
70 void SetSysBaseChkSum(void);
71 BOOL
IsSysBaseValid(struct ExecBase
*sysbase
);
73 IPTR
cpu_SuperState();
75 void ServiceTask(struct ExecBase
*SysBase
);
77 #endif /* __EXEC_INTERN_H__ */