IFND EXEC_EXECBASE_I
EXEC_EXECBASE_I SET 1
**********************************************************************
*
*   Commodore Amiga -- ROM Operating System Executive Include File
*
**********************************************************************
*
*   Source Control:
*
*	$Header: execbase.i,v 33.3 86/05/01 12:50:39 neil Exp $
*
*	$Locker:  $
*
**********************************************************************

    IFND EXEC_TYPES_I
    INCLUDE "exec/types.i"
    ENDC !EXEC_TYPES_I

    IFND EXEC_LISTS_I
    INCLUDE "exec/lists.i"
    ENDC !EXEC_LISTS_I

    IFND EXEC_INTERRUPTS_I
    INCLUDE "exec/interrupts.i"
    ENDC !EXEC_INTERRUPTS_I

    IFND EXEC_LIBRARIES_I
    INCLUDE "exec/libraries.i"
    ENDC !EXEC_LIBRARIES_I


******* Static System Variables **************************************

 STRUCTURE  ExecBase,LIB_SIZE		; Standard library node

            UWORD	SoftVer         ; kickstart release number
	    WORD	LowMemChkSum	; checksum of 68000 trap vectors
            ULONG	ChkBase         ; system base pointer complement
            APTR	ColdCapture     ; cold soft capture vector
            APTR	CoolCapture     ; cool soft capture vector
            APTR	WarmCapture     ; warm soft capture vector
            APTR	SysStkUpper     ; system stack base   (upper bound)
            APTR	SysStkLower     ; top of system stack (lower bound)
            ULONG	MaxLocMem	; last calculated local memory max
	    APTR	DebugEntry	; global debugger entry point
	    APTR	DebugData	; global debugger data segment
	    APTR	AlertData	; alert data segment
	    APTR	MaxExtMem	; top of extended mem, or null if none

            WORD	ChkSum 		; for all of the above


******* Interrupt Related ********************************************

            LABEL	IntVects  
            STRUCT	IVTBE,IV_SIZE
            STRUCT	IVDSKBLK,IV_SIZE
            STRUCT	IVSOFTINT,IV_SIZE
            STRUCT	IVPORTS,IV_SIZE
            STRUCT	IVCOPER,IV_SIZE
            STRUCT	IVVERTB,IV_SIZE
            STRUCT	IVBLIT,IV_SIZE
            STRUCT	IVAUD0,IV_SIZE
            STRUCT	IVAUD1,IV_SIZE
            STRUCT	IVAUD2,IV_SIZE
            STRUCT	IVAUD3,IV_SIZE
            STRUCT	IVRBF,IV_SIZE
            STRUCT	IVDSKSYNC,IV_SIZE
            STRUCT	IVEXTER,IV_SIZE
            STRUCT	IVINTEN,IV_SIZE
	    STRUCT	IVNMI,IV_SIZE


******* Dynamic System Variables *************************************

            APTR	ThisTask        ; pointer to current task
            ULONG	IdleCount       ; idle counter
            ULONG	DispCount       ; dispatch counter
            UWORD	Quantum         ; time slice quantum
            UWORD	Elapsed         ; current quantum ticks
            UWORD	SysFlags        ; misc system flags
            BYTE	IDNestCnt       ; interrupt disable nesting count
            BYTE	TDNestCnt       ; task disable nesting count

            UWORD	AttnFlags       ; special attention flags
            UWORD	AttnResched     ; rescheduling attention
            APTR	ResModules	; pointer to resident module array

	    APTR	TaskTrapCode	; default task trap routine
	    APTR	TaskExceptCode	; default task exception code
	    APTR	TaskExitCode	; default task exit code
	    ULONG	TaskSigAlloc	; preallocated signal mask
	    UWORD       TaskTrapAlloc	; preallocated trap mask


******* System List Headers ******************************************

            STRUCT	MemList,LH_SIZE
	    STRUCT	ResourceList,LH_SIZE
            STRUCT	DeviceList,LH_SIZE
	    STRUCT	IntrList,LH_SIZE
            STRUCT	LibList,LH_SIZE
            STRUCT	PortList,LH_SIZE
            STRUCT	TaskReady,LH_SIZE
            STRUCT	TaskWait,LH_SIZE

            STRUCT	SoftInts,SH_SIZE*5

	    STRUCT	LastAlert,4*4


	    ;------ these next two variables are provided to allow
	    ;------ system developers to have a rough idea of the
	    ;------ period of two externally controlled signals --
	    ;------ the time between vertical blank interrupts and the
	    ;------ external line rate (which is counted by CIA A's
	    ;------ "time of day" clock).  In general these values
	    ;------ will be 50 or 60, and may or may not track each
	    ;------ other.  These values replace the obsolete AFB_PAL
	    ;------ and AFB_50HZ flags.
	    UBYTE	VBlankFrequency
	    UBYTE	PowerSupplyFrequency

	    STRUCT	SemaphoreList,LH_SIZE

	    ;------ these next two are to be able to kickstart into user ram.
	    ;------ KickMemPtr holds a singly linked list of MemLists which
	    ;------ will be removed from the memory list via AllocAbs.  If
	    ;------ all the AllocAbs's succeeded, then the KickTagPtr will
	    ;------ be added to the rom tag list.
	    APTR        KickMemPtr	; ptr to queue of mem lists
	    APTR	KickTagPtr	; ptr to rom tag queue
	    APTR	KickCheckSum	; checksum for mem and tags

	    STRUCT	ExecBaseReserved,10
	    STRUCT	ExecBaseNewReserved,20

            LABEL	SYSBASESIZE

******* AttnFlags
*  Processors and Co-processors:
	BITDEF	AF,68010,0	; also set for 68020
	BITDEF	AF,68020,1
	BITDEF	AF,68881,4

; These two bits used to be AFB_PAL and AFB_50HZ.  After some soul
; searching we realized that they were misnomers, and the information
; is now kept in VBlankFrequency and PowerSupplyFrequency above.
; To find out what sort of video conversion is done, look in the
; graphics subsytem.
	BITDEF	AF,RESERVED8,8
	BITDEF	AF,RESERVED9,9

    ENDC !EXEC_EXECBASE_I