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- {
- This file is part of the Free Pascal run time library.
-
- A file in Amiga system run time library.
- Copyright (c) 1998 by Nils Sjoholm
- member of the Amiga RTL development team.
-
- See the file COPYING.FPC, included in this distribution,
- for details about the copyright.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
- **********************************************************************}
-
- {
- History:
-
- Added BOOL = Integer, some libraries need that define
- (read triton, wizard)
- 25 Oct 1998
-
- Added UWORD, WORDBITS, LONGBITS, PLONGBITS,
- UBYTE, PULONG, PAPTR, PLONG.
- For use with MUI.
- 17 Jul 2000.
-
- nils.sjoholm@mailbox.swipnet.se
- }
-
- TYPE
-
- STRPTR = PChar;
- ULONG = Longint;
- LONG = longint;
- APTR = Pointer;
- BPTR = Longint;
- BSTR = Longint;
- pWord = ^Word;
- pLongint = ^Longint;
- pInteger = ^Integer;
- BOOL = Integer;
- UWORD = Word;
- WORDBITS = Word;
- LONGBITS = ULONG;
- PLONGBITS = ^LONGBITS;
- UBYTE = Byte;
- PULONG = ^ULONG;
- PAPTR = ^APTR;
- PLONG = ^LONG;
-
-
- TYPE
-
- { * List Node Structure. Each member in a list starts with a Node * }
-
- pNode = ^tNode;
- tNode = Packed Record
- ln_Succ, { * Pointer to next (successor) * }
- ln_Pred : pNode; { * Pointer to previous (predecessor) * }
- ln_Type : Byte;
- ln_Pri : Shortint; { * Priority, for sorting * }
- ln_Name : STRPTR; { * ID string, null terminated * }
- End; { * Note: Integer aligned * }
-
-
- { * minimal node -- no type checking possible * }
-
- pMinNode = ^tMinNode;
- tMinNode = Packed Record
- mln_Succ,
- mln_Pred : pMinNode;
- End;
-
-
-
- { *
- ** Note: Newly initialized IORequests, and software interrupt structures
- ** used with Cause(), should have type NT_UNKNOWN. The OS will assign a type
- ** when they are first used.
- * }
-
- { *----- Node Types for LN_TYPE -----* }
-
- Const
-
- NT_UNKNOWN = 0;
- NT_TASK = 1; { * Exec task * }
- NT_INTERRUPT = 2;
- NT_DEVICE = 3;
- NT_MSGPORT = 4;
- NT_MESSAGE = 5; { * Indicates message currently pending * }
- NT_FREEMSG = 6;
- NT_REPLYMSG = 7; { * Message has been replied * }
- NT_RESOURCE = 8;
- NT_LIBRARY = 9;
- NT_MEMORY = 10;
- NT_SOFTINT = 11; { * Internal flag used by SoftInits * }
- NT_FONT = 12;
- NT_PROCESS = 13; { * AmigaDOS Process * }
- NT_SEMAPHORE = 14;
- NT_SIGNALSEM = 15; { * signal semaphores * }
- NT_BOOTNODE = 16;
- NT_KICKMEM = 17;
- NT_GRAPHICS = 18;
- NT_DEATHMESSAGE = 19;
-
- NT_USER = 254; { * User node types work down from here * }
- NT_EXTENDED = 255;
-
- {
- This file defines Exec system lists, which are used to link
- various things. Exec provides several routines to handle list
- processing (defined at the bottom of this file), so you can
- use these routines to save yourself the trouble of writing a list
- package.
- }
-
-
- Type
-
- { normal, full featured list }
-
- pList = ^tList;
- tList = Packed record
- lh_Head : pNode;
- lh_Tail : pNode;
- lh_TailPred : pNode;
- lh_Type : Byte;
- l_pad : Byte;
- end;
-
- { minimum list -- no type checking possible }
-
- pMinList = ^tMinList;
- tMinList = Packed record
- mlh_Head : pMinNode;
- mlh_Tail : pMinNode;
- mlh_TailPred : pMinNode;
- end;
-
-
-
- { ********************************************************************
- *
- * Format of the alert error number:
- *
- * +-+-------------+----------------+--------------------------------+
- * |D| SubSysId | General Error | SubSystem Specific Error |
- * +-+-------------+----------------+--------------------------------+
- * 1 7 bits 8 bits 16 bits
- *
- * D: DeadEnd alert
- * SubSysId: indicates ROM subsystem number.
- * General Error: roughly indicates what the error was
- * Specific Error: indicates more detail
- *********************************************************************}
-
- const
- {*********************************************************************
- *
- * Hardware/CPU specific alerts: They may show without the 8 at the
- * front of the number. These are CPU/68000 specific. See 68$0
- * programmer's manuals for more details.
- *
- *********************************************************************}
- ACPU_BusErr = $80000002; { Hardware bus fault/access error }
- ACPU_AddressErr = $80000003; { Illegal address access (ie: odd) }
- ACPU_InstErr = $80000004; { Illegal instruction }
- ACPU_DivZero = $80000005; { Divide by zero }
- ACPU_CHK = $80000006; { Check instruction error }
- ACPU_TRAPV = $80000007; { TrapV instruction error }
- ACPU_PrivErr = $80000008; { Privilege violation error }
- ACPU_Trace = $80000009; { Trace error }
- ACPU_LineA = $8000000A; { Line 1010 Emulator error }
- ACPU_LineF = $8000000B; { Line 1111 Emulator error }
- ACPU_Format = $8000000E; { Stack frame format error }
- ACPU_Spurious = $80000018; { Spurious interrupt error }
- ACPU_AutoVec1 = $80000019; { AutoVector Level 1 interrupt error }
- ACPU_AutoVec2 = $8000001A; { AutoVector Level 2 interrupt error }
- ACPU_AutoVec3 = $8000001B; { AutoVector Level 3 interrupt error }
- ACPU_AutoVec4 = $8000001C; { AutoVector Level 4 interrupt error }
- ACPU_AutoVec5 = $8000001D; { AutoVector Level 5 interrupt error }
- ACPU_AutoVec6 = $8000001E; { AutoVector Level 6 interrupt error }
- ACPU_AutoVec7 = $8000001F; { AutoVector Level 7 interrupt error }
-
-
- { ********************************************************************
- *
- * General Alerts
- *
- * For example: timer.device cannot open math.library would be $05038015
- *
- * Alert(AN_TimerDev|AG_OpenLib|AO_MathLib);
- *
- ********************************************************************}
-
-
- CONST
-
- { ------ alert types }
- AT_DeadEnd = $80000000;
- AT_Recovery = $00000000;
-
-
- { ------ general purpose alert codes }
- AG_NoMemory = $00010000;
- AG_MakeLib = $00020000;
- AG_OpenLib = $00030000;
- AG_OpenDev = $00040000;
- AG_OpenRes = $00050000;
- AG_IOError = $00060000;
- AG_NoSignal = $00070000;
- AG_BadParm = $00080000;
- AG_CloseLib = $00090000; { usually too many closes }
- AG_CloseDev = $000A0000; { or a mismatched close }
- AG_ProcCreate = $000B0000; { Process creation failed }
-
-
- { ------ alert objects: }
- AO_ExecLib = $00008001;
- AO_GraphicsLib = $00008002;
- AO_LayersLib = $00008003;
- AO_Intuition = $00008004;
- AO_MathLib = $00008005;
- AO_DOSLib = $00008007;
- AO_RAMLib = $00008008;
- AO_IconLib = $00008009;
- AO_ExpansionLib = $0000800A;
- AO_DiskfontLib = $0000800B;
- AO_UtilityLib = $0000800C;
- AO_KeyMapLib = $0000800D;
-
- AO_AudioDev = $00008010;
- AO_ConsoleDev = $00008011;
- AO_GamePortDev = $00008012;
- AO_KeyboardDev = $00008013;
- AO_TrackDiskDev = $00008014;
- AO_TimerDev = $00008015;
-
- AO_CIARsrc = $00008020;
- AO_DiskRsrc = $00008021;
- AO_MiscRsrc = $00008022;
-
- AO_BootStrap = $00008030;
- AO_Workbench = $00008031;
- AO_DiskCopy = $00008032;
- AO_GadTools = $00008033;
- AO_Unknown = $00008035;
-
-
-
- { ********************************************************************
- *
- * Specific Alerts:
- *
- ********************************************************************}
-
- { ------ exec.library }
-
- AN_ExecLib = $01000000;
- AN_ExcptVect = $01000001; { 68000 exception vector checksum (obs.) }
- AN_BaseChkSum = $01000002; { Execbase checksum (obs.) }
- AN_LibChkSum = $01000003; { Library checksum failure }
-
- AN_MemCorrupt = $81000005; { Corrupt memory list detected in FreeMem }
- AN_IntrMem = $81000006; { No memory for interrupt servers }
- AN_InitAPtr = $01000007; { InitStruct() of an APTR source (obs.) }
- AN_SemCorrupt = $01000008; { A semaphore is in an illegal state
- at ReleaseSempahore() }
- AN_FreeTwice = $01000009; { Freeing memory already freed }
- AN_BogusExcpt = $8100000A; { illegal 68k exception taken (obs.) }
- AN_IOUsedTwice = $0100000B; { Attempt to reuse active IORequest }
- AN_MemoryInsane = $0100000C; { Sanity check on memory list failed
- during AvailMem(MEMF_LARGEST) }
- AN_IOAfterClose = $0100000D; { IO attempted on closed IORequest }
- AN_StackProbe = $0100000E; { Stack appears to extend out of range }
- AN_BadFreeAddr = $0100000F; { Memory header not located. [ Usually an
- invalid address passed to FreeMem() ] }
- AN_BadSemaphore = $01000010; { An attempt was made to use the old
- message semaphores. }
-
- { ------ graphics.library }
-
- AN_GraphicsLib = $02000000;
- AN_GfxNoMem = $82010000; { graphics out of memory }
- AN_GfxNoMemMspc = $82010001; { MonitorSpec alloc, no memory }
- AN_LongFrame = $82010006; { long frame, no memory }
- AN_ShortFrame = $82010007; { short frame, no memory }
- AN_TextTmpRas = $02010009; { text, no memory for TmpRas }
- AN_BltBitMap = $8201000A; { BltBitMap, no memory }
- AN_RegionMemory = $8201000B; { regions, memory not available }
- AN_MakeVPort = $82010030; { MakeVPort, no memory }
- AN_GfxNewError = $0200000C;
- AN_GfxFreeError = $0200000D;
-
- AN_GfxNoLCM = $82011234; { emergency memory not available }
-
- AN_ObsoleteFont = $02000401; { unsupported font description used }
-
- { ------ layers.library }
-
- AN_LayersLib = $03000000;
- AN_LayersNoMem = $83010000; { layers out of memory }
-
- { ------ intuition.library }
- AN_Intuition = $04000000;
- AN_GadgetType = $84000001; { unknown gadget type }
- AN_BadGadget = $04000001; { Recovery form of AN_GadgetType }
- AN_CreatePort = $84010002; { create port, no memory }
- AN_ItemAlloc = $04010003; { item plane alloc, no memory }
- AN_SubAlloc = $04010004; { sub alloc, no memory }
- AN_PlaneAlloc = $84010005; { plane alloc, no memory }
- AN_ItemBoxTop = $84000006; { item box top < RelZero }
- AN_OpenScreen = $84010007; { open screen, no memory }
- AN_OpenScrnRast = $84010008; { open screen, raster alloc, no memory }
- AN_SysScrnType = $84000009; { open sys screen, unknown type }
- AN_AddSWGadget = $8401000A; { add SW gadgets, no memory }
- AN_OpenWindow = $8401000B; { open window, no memory }
- AN_BadState = $8400000C; { Bad State Return entering Intuition }
- AN_BadMessage = $8400000D; { Bad Message received by IDCMP }
- AN_WeirdEcho = $8400000E; { Weird echo causing incomprehension }
- AN_NoConsole = $8400000F; { couldn't open the Console Device }
- AN_NoISem = $04000010; { Intuition skipped obtaining a sem }
- AN_ISemOrder = $04000011; { Intuition obtained a sem in bad order }
-
- { ------ math.library }
-
- AN_MathLib = $05000000;
-
- { ------ dos.library }
-
- AN_DOSLib = $07000000;
- AN_StartMem = $07010001; { no memory at startup }
- AN_EndTask = $07000002; { EndTask didn't }
- AN_QPktFail = $07000003; { Qpkt failure }
- AN_AsyncPkt = $07000004; { Unexpected packet received }
- AN_FreeVec = $07000005; { Freevec failed }
- AN_DiskBlkSeq = $07000006; { Disk block sequence error }
- AN_BitMap = $07000007; { Bitmap corrupt }
- AN_KeyFree = $07000008; { Key already free }
- AN_BadChkSum = $07000009; { Invalid checksum }
- AN_DiskError = $0700000A; { Disk Error }
- AN_KeyRange = $0700000B; { Key out of range }
- AN_BadOverlay = $0700000C; { Bad overlay }
- AN_BadInitFunc = $0700000D; { Invalid init packet for cli/shell }
- AN_FileReclosed = $0700000E; { A filehandle was closed more than once }
-
- { ------ ramlib.library }
-
- AN_RAMLib = $08000000;
- AN_BadSegList = $08000001; { no overlays in library seglists }
-
- { ------ icon.library }
-
- AN_IconLib = $09000000;
-
- { ------ expansion.library }
-
- AN_ExpansionLib = $0A000000;
- AN_BadExpansionFree = $0A000001; { freeed free region }
-
- { ------ diskfont.library }
-
- AN_DiskfontLib = $0B000000;
-
- { ------ audio.device }
-
- AN_AudioDev = $10000000;
-
- { ------ console.device }
-
- AN_ConsoleDev = $11000000;
- AN_NoWindow = $11000001; { Console can't open initial window }
-
- { ------ gameport.device }
-
- AN_GamePortDev = $12000000;
-
- { ------ keyboard.device }
-
- AN_KeyboardDev = $13000000;
-
- { ------ trackdisk.device }
-
- AN_TrackDiskDev = $14000000;
- AN_TDCalibSeek = $14000001; { calibrate: seek error }
- AN_TDDelay = $14000002; { delay: error on timer wait }
-
- { ------ timer.device }
-
- AN_TimerDev = $15000000;
- AN_TMBadReq = $15000001; { bad request }
- AN_TMBadSupply = $15000002; { power supply -- no 50/60Hz ticks }
-
- { ------ cia.resource }
-
- AN_CIARsrc = $20000000;
-
- { ------ disk.resource }
-
- AN_DiskRsrc = $21000000;
- AN_DRHasDisk = $21000001; { get unit: already has disk }
- AN_DRIntNoAct = $21000002; { interrupt: no active unit }
-
- { ------ misc.resource }
-
- AN_MiscRsrc = $22000000;
-
- { ------ bootstrap }
-
- AN_BootStrap = $30000000;
- AN_BootError = $30000001; { boot code returned an error }
-
- { ------ Workbench }
-
- AN_Workbench = $31000000;
- AN_NoFonts = $B1000001;
- AN_WBBadStartupMsg1 = $31000001;
- AN_WBBadStartupMsg2 = $31000002;
- AN_WBBadIOMsg = $31000003;
-
- AN_WBReLayoutToolMenu = $B1010009;
-
- { ------ DiskCopy }
-
- AN_DiskCopy = $32000000;
-
- { ------ toolkit for Intuition }
-
- AN_GadTools = $33000000;
-
- { ------ System utility library }
-
- AN_UtilityLib = $34000000;
-
- { ------ For use by any application that needs it }
-
- AN_Unknown = $35000000;
-
-
-
- CONST
-
- IOERR_OPENFAIL = -1; { device/unit failed to open }
- IOERR_ABORTED = -2; { request terminated early [after AbortIO()] }
- IOERR_NOCMD = -3; { command not supported by device }
- IOERR_BADLENGTH = -4; { not a valid length (usually IO_LENGTH) }
- IOERR_BADADDRESS = -5; { invalid address (misaligned or bad range) }
- IOERR_UNITBUSY = -6; { device opens ok, but requested unit is busy }
- IOERR_SELFTEST = -7; { hardware failed self-test }
-
-
-
- type
- pResident = ^tResident;
- tResident = packed record
- rt_MatchWord : Word; { Integer to match on (ILLEGAL) }
- rt_MatchTag : pResident; { pointer to the above }
- rt_EndSkip : Pointer; { address to continue scan }
- rt_Flags : Byte; { various tag flags }
- rt_Version : Byte; { release version number }
- rt_Type : Byte; { type of module (NT_mumble) }
- rt_Pri : Shortint; { initialization priority }
- rt_Name : STRPTR; { pointer to node name }
- rt_IdString : STRPTR; { pointer to ident string }
- rt_Init : Pointer; { pointer to init code }
- end;
-
- const
-
-
- RTC_MATCHWORD = $4AFC;
-
- RTF_AUTOINIT = $80;
- RTF_AFTERDOS = $04;
- RTF_SINGLETASK = $02;
- RTF_COLDSTART = $01;
-
-
- { Compatibility: }
-
- RTM_WHEN = $03;
- RTW_COLDSTART = $01;
- RTW_NEVER = $00;
-
-
-
- TYPE
-
- { ****** MemChunk **************************************************** }
-
- pMemChunk = ^tMemChunk;
- tMemChunk = Packed Record
- mc_Next : pMemChunk; { * pointer to next chunk * }
- mc_Bytes : ULONG; { * chunk byte size * }
- End;
-
-
- { ****** MemHeader *************************************************** }
-
- pMemHeader = ^tMemHeader;
- tMemHeader = Packed Record
- mh_Node : tNode;
- mh_Attributes : Word; { * characteristics of this region * }
- mh_First : pMemChunk; { * first free region * }
- mh_Lower, { * lower memory bound * }
- mh_Upper : Pointer; { * upper memory bound+1 * }
- mh_Free : Ulong; { * total number of free bytes * }
- End;
-
-
- { ****** MemEntry **************************************************** }
-
- pMemEntry = ^tMemEntry;
- tMemEntry = packed record
- me_Un : record
- case longint of
- 0 : ( meu_Reqs : ULONG );
- 1 : ( meu_Addr : APTR );
- end;
- me_Length : ULONG;
- end;
-
- { ****** MemList ***************************************************** }
-
- { * Note: sizeof(struct MemList) includes the size of the first MemEntry! * }
-
- pMemList = ^tMemList;
- tMemList = Packed Record
- ml_Node : tNode;
- ml_NumEntries : Word; { * number of entries in this struct * }
- ml_ME : Array [0..0] of tMemEntry; { * the first entry * }
- End;
-
- { *----- Memory Requirement Types ---------------------------* }
- { *----- See the AllocMem() documentation for details--------* }
-
- Const
-
- MEMF_ANY = %000000000000000000000000; { * Any type of memory will do * }
- MEMF_PUBLIC = %000000000000000000000001;
- MEMF_CHIP = %000000000000000000000010;
- MEMF_FAST = %000000000000000000000100;
- MEMF_LOCAL = %000000000000000100000000;
- MEMF_24BITDMA = %000000000000001000000000; { * DMAable memory within 24 bits of address * }
- MEMF_KICK = %000000000000010000000000; { Memory that can be used for KickTags }
-
- MEMF_CLEAR = %000000010000000000000000;
- MEMF_LARGEST = %000000100000000000000000;
- MEMF_REVERSE = %000001000000000000000000;
- MEMF_TOTAL = %000010000000000000000000; { * AvailMem: return total size of memory * }
- MEMF_NO_EXPUNGE = $80000000; {AllocMem: Do not cause expunge on failure }
-
- MEM_BLOCKSIZE = 8;
- MEM_BLOCKMASK = MEM_BLOCKSIZE-1;
-
- Type
- {***** MemHandlerData *********************************************}
- { Note: This structure is *READ ONLY* and only EXEC can create it!}
-
- pMemHandlerData = ^tMemHandlerData;
- tMemHandlerData = Packed Record
- memh_RequestSize, { Requested allocation size }
- memh_RequestFlags, { Requested allocation flags }
- memh_Flags : ULONG; { Flags (see below) }
- end;
-
- const
- MEMHF_RECYCLE = 1; { 0==First time, 1==recycle }
-
- {***** Low Memory handler return values **************************}
- MEM_DID_NOTHING = 0; { Nothing we could do... }
- MEM_ALL_DONE = -1; { We did all we could do }
- MEM_TRY_AGAIN = 1; { We did some, try the allocation again }
-
-
- type
- pInterrupt = ^tInterrupt;
- tInterrupt = Packed record
- is_Node : tNode;
- is_Data : Pointer; { Server data segment }
- is_Code : Pointer; { Server code entry }
- end;
-
- pIntVector = ^tIntVector;
- tIntVector = Packed record { For EXEC use ONLY! }
- iv_Data : Pointer;
- iv_Code : Pointer;
- iv_Node : pNode;
- end;
-
- pSoftIntList = ^tSoftIntList;
- tSoftIntList = Packed record { For EXEC use ONLY! }
- sh_List : tList;
- sh_Pad : Word;
- end;
-
- const
- SIH_PRIMASK = $F0;
-
- { this is a fake INT definition, used only for AddIntServer and the like }
-
- INTB_NMI = 15;
- INTF_NMI = $0080;
-
- {
- Every Amiga Task has one of these Task structures associated with it.
- To find yours, use FindTask(Nil). AmigaDOS processes tack a few more
- values on to the end of this structure, which is the difference between
- Tasks and Processes.
- }
-
- type
-
- pTask = ^tTask;
- tTask = Packed record
- tc_Node : tNode;
- tc_Flags : Byte;
- tc_State : Byte;
- tc_IDNestCnt : Shortint; { intr disabled nesting }
- tc_TDNestCnt : Shortint; { task disabled nesting }
- tc_SigAlloc : ULONG; { sigs allocated }
- tc_SigWait : ULONG; { sigs we are waiting for }
- tc_SigRecvd : ULONG; { sigs we have received }
- tc_SigExcept : ULONG; { sigs we will take excepts for }
- tc_TrapAlloc : Word; { traps allocated }
- tc_TrapAble : Word; { traps enabled }
- tc_ExceptData : Pointer; { points to except data }
- tc_ExceptCode : Pointer; { points to except code }
- tc_TrapData : Pointer; { points to trap data }
- tc_TrapCode : Pointer; { points to trap code }
- tc_SPReg : Pointer; { stack pointer }
- tc_SPLower : Pointer; { stack lower bound }
- tc_SPUpper : Pointer; { stack upper bound + 2 }
- tc_Switch : Pointer; { task losing CPU }
- tc_Launch : Pointer; { task getting CPU }
- tc_MemEntry : tList; { allocated memory }
- tc_UserData : Pointer; { per task data }
- end;
-
- {
- * Stack swap structure as passed to StackSwap()
- }
- pStackSwapStruct = ^tStackSwapStruct;
- tStackSwapStruct = Packed Record
- stk_Lower : Pointer; { Lowest byte of stack }
- stk_Upper : ULONG; { Upper end of stack (size + Lowest) }
- stk_Pointer : Pointer; { Stack pointer at switch point }
- end;
-
-
-
- {----- Flag Bits ------------------------------------------}
-
- const
-
- TB_PROCTIME = 0;
- TB_ETASK = 3;
- TB_STACKCHK = 4;
- TB_EXCEPT = 5;
- TB_SWITCH = 6;
- TB_LAUNCH = 7;
-
- TF_PROCTIME = 1;
- TF_ETASK = 8;
- TF_STACKCHK = 16;
- TF_EXCEPT = 32;
- TF_SWITCH = 64;
- TF_LAUNCH = 128;
-
- {----- Task States ----------------------------------------}
-
- TS_INVALID = 0;
- TS_ADDED = 1;
- TS_RUN = 2;
- TS_READY = 3;
- TS_WAIT = 4;
- TS_EXCEPT = 5;
- TS_REMOVED = 6;
-
- {----- Predefined Signals -------------------------------------}
-
- SIGB_ABORT = 0;
- SIGB_CHILD = 1;
- SIGB_BLIT = 4;
- SIGB_SINGLE = 4;
- SIGB_INTUITION = 5;
- SIGB_DOS = 8;
-
- SIGF_ABORT = 1;
- SIGF_CHILD = 2;
- SIGF_BLIT = 16;
- SIGF_SINGLE = 16;
- SIGF_INTUITION = 32;
- SIGF_DOS = 256;
-
-
-
- {
- This file defines ports and messages, which are used for inter-
- task communications using the routines defined toward the
- bottom of this file.
- }
-
- type
-
- {****** MsgPort *****************************************************}
-
- pMsgPort = ^tMsgPort;
- tMsgPort = Packed record
- mp_Node : tNode;
- mp_Flags : Byte;
- mp_SigBit : Byte; { signal bit number }
- mp_SigTask : Pointer; { task to be signalled (TaskPtr) }
- mp_MsgList : tList; { message linked list }
- end;
-
- {****** Message *****************************************************}
-
- pMessage = ^tMessage;
- tMessage = Packed record
- mn_Node : tNode;
- mn_ReplyPort : pMsgPort; { message reply port }
- mn_Length : Word; { message len in bytes }
- end;
-
-
-
- { mp_Flags: Port arrival actions (PutMsg) }
-
- CONST
-
- PF_ACTION = 3; { * Mask * }
- PA_SIGNAL = 0; { * Signal task in mp_SigTask * }
- PA_SOFTINT = 1; { * Signal SoftInt in mp_SoftInt/mp_SigTask * }
- PA_IGNORE = 2; { * Ignore arrival * }
-
-
- { Semaphore }
- type
- pSemaphore = ^tSemaphore;
- tSemaphore = Packed record
- sm_MsgPort : tMsgPort;
- sm_Bids : Integer;
- end;
-
- { This is the structure used to request a signal semaphore }
-
- pSemaphoreRequest = ^tSemaphoreRequest;
- tSemaphoreRequest = Packed record
- sr_Link : tMinNode;
- sr_Waiter : pTask;
- end;
-
- { The actual semaphore itself }
-
- pSignalSemaphore = ^tSignalSemaphore;
- tSignalSemaphore = Packed record
- ss_Link : tNode;
- ss_NestCount : Integer;
- ss_WaitQueue : tMinList;
- ss_MultipleLink : tSemaphoreRequest;
- ss_Owner : pTask;
- ss_QueueCount : Integer;
- end;
-
-
- { ***** Semaphore procure message (for use in V39 Procure/Vacate *** }
-
-
- pSemaphoreMessage = ^tSemaphoreMessage;
- tSemaphoreMessage = Packed Record
- ssm_Message : tMessage;
- ssm_Semaphore : pSignalSemaphore;
- end;
-
- const
- SM_SHARED = 1;
- SM_EXCLUSIVE = 0;
-
-
- CONST
-
- { ------ Special Constants --------------------------------------- }
- LIB_VECTSIZE = 6; { Each library entry takes 6 bytes }
- LIB_RESERVED = 4; { Exec reserves the first 4 vectors }
- LIB_BASE = (-LIB_VECTSIZE);
- LIB_USERDEF = (LIB_BASE-(LIB_RESERVED*LIB_VECTSIZE));
- LIB_NONSTD = (LIB_USERDEF);
-
- { ------ Standard Functions -------------------------------------- }
- LIB_OPEN = -6;
- LIB_CLOSE = -12;
- LIB_EXPUNGE = -18;
- LIB_EXTFUNC = -24; { for future expansion }
-
- TYPE
-
- { ------ Library Base Structure ---------------------------------- }
- { Also used for Devices and some Resources }
-
- pLibrary = ^tLibrary;
- tLibrary = packed record
- lib_Node : tNode;
- lib_Flags,
- lib_pad : Byte;
- lib_NegSize, { number of bytes before library }
- lib_PosSize, { number of bytes after library }
- lib_Version, { major }
- lib_Revision : Word; { minor }
- lib_IdString : STRPTR; { ASCII identification }
- lib_Sum : ULONG; { the checksum itself }
- lib_OpenCnt : Word; { number of current opens }
- end; { * Warning: size is not a longword multiple ! * }
-
- CONST
-
- { lib_Flags bit definitions (all others are system reserved) }
-
- LIBF_SUMMING = %00000001; { we are currently checksumming }
- LIBF_CHANGED = %00000010; { we have just changed the lib }
- LIBF_SUMUSED = %00000100; { set if we should bother to sum }
- LIBF_DELEXP = %00001000; { delayed expunge }
-
- {
- This file defines the constants and types required to use
- Amiga device IO routines, which are also defined here.
- }
-
-
- TYPE
-
- {***** Device *****************************************************}
- pDevice = ^tDevice;
- tDevice = packed record
- dd_Library : tLibrary;
- end;
-
- {***** Unit *******************************************************}
- pUnit = ^tUnit;
- tUnit = record
- unit_MsgPort : tMsgPort; { queue for unprocessed messages }
- { instance of msgport is recommended }
- unit_flags,
- unit_pad : Byte;
- unit_OpenCnt : Word; { number of active opens }
- end;
-
- Const
- UNITF_ACTIVE = %00000001;
- UNITF_INTASK = %00000010;
-
- type
-
- pIORequest = ^tIORequest;
- tIORequest = packed record
- io_Message : tMessage;
- io_Device : pDevice; { device node pointer }
- io_Unit : pUnit; { unit (driver private)}
- io_Command : Word; { device command }
- io_Flags : Byte;
- io_Error : Shortint; { error or warning num }
- end;
-
- pIOStdReq = ^tIOStdReq;
- tIOStdReq = packed record
- io_Message : tMessage;
- io_Device : pDevice; { device node pointer }
- io_Unit : pUnit; { unit (driver private)}
- io_Command : Word; { device command }
- io_Flags : Byte;
- io_Error : Shortint; { error or warning num }
- io_Actual : ULONG; { actual number of bytes transferred }
- io_Length : ULONG; { requested number bytes transferred}
- io_Data : Pointer; { points to data area }
- io_Offset : ULONG; { offset for block structured devices }
- end;
-
-
- { library vector offsets for device reserved vectors }
-
- const
- DEV_BEGINIO = -30;
- DEV_ABORTIO = -36;
-
- { io_Flags defined bits }
-
- IOB_QUICK = 0;
- IOF_QUICK = 1;
-
- CMD_INVALID = 0;
- CMD_RESET = 1;
- CMD_READ = 2;
- CMD_WRITE = 3;
- CMD_UPDATE = 4;
- CMD_CLEAR = 5;
- CMD_STOP = 6;
- CMD_START = 7;
- CMD_FLUSH = 8;
-
- CMD_NONSTD = 9;
-
-
-
-
- { Definition of the Exec library base structure (pointed to by location 4).
- ** Most fields are not to be viewed or modified by user programs. Use
- ** extreme caution.
- }
-
- type
-
- pExecBase = ^tExecBase;
- tExecBase = packed Record
- LibNode : tLibrary; { Standard library node }
-
- { ******* Static System Variables ******* }
-
- SoftVer : Word; { kickstart release number (obs.) }
- LowMemChkSum : Integer; { checksum of 68000 trap vectors }
- ChkBase : ULONG; { system base pointer complement }
- ColdCapture, { coldstart soft capture vector }
- CoolCapture, { coolstart soft capture vector }
- WarmCapture, { warmstart soft capture vector }
- SysStkUpper, { system stack base (upper bound) }
- SysStkLower : Pointer; { top of system stack (lower bound) }
- MaxLocMem : ULONG; { top of chip memory }
- DebugEntry, { global debugger entry point }
- DebugData, { global debugger data segment }
- AlertData, { alert data segment }
- MaxExtMem : Pointer; { top of extended mem, or null if none }
-
- ChkSum : Word; { for all of the above (minus 2) }
-
- { ***** Interrupt Related ************************************** }
-
- IntVects : Array[0..15] of tIntVector;
-
- { ***** Dynamic System Variables ************************************ }
-
- ThisTask : pTask; { pointer to current task (readable) }
-
- IdleCount, { idle counter }
- DispCount : ULONG; { dispatch counter }
- Quantum, { time slice quantum }
- Elapsed, { current quantum ticks }
- SysFlags : Word; { misc internal system flags }
- IDNestCnt, { interrupt disable nesting count }
- TDNestCnt : Shortint; { task disable nesting count }
-
- AttnFlags, { special attention flags (readable) }
- AttnResched : Word; { rescheduling attention }
- ResModules, { resident module array pointer }
- TaskTrapCode,
- TaskExceptCode,
- TaskExitCode : Pointer;
- TaskSigAlloc : ULONG;
- TaskTrapAlloc: Word;
-
-
- { ***** System Lists (private!) ******************************* }
-
- MemList,
- ResourceList,
- DeviceList,
- IntrList,
- LibList,
- PortList,
- TaskReady,
- TaskWait : tList;
-
- SoftInts : Array[0..4] of tSoftIntList;
-
- { ***** Other Globals ****************************************** }
-
- LastAlert : Array[0..3] of LONG;
-
- { 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.
- }
-
- VBlankFrequency, { (readable) }
- PowerSupplyFrequency : Byte; { (readable) }
-
- SemaphoreList : tList;
-
- { 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.
- }
-
- KickMemPtr, { ptr to queue of mem lists }
- KickTagPtr, { ptr to rom tag queue }
- KickCheckSum : Pointer; { checksum for mem and tags }
-
- { ***** V36 Exec additions start here ************************************* }
-
- ex_Pad0 : Word;
- ex_Reserved0 : ULONG;
- ex_RamLibPrivate : Pointer;
-
- { The next ULONG contains the system "E" clock frequency,
- ** expressed in Hertz. The E clock is used as a timebase for
- ** the Amiga's 8520 I/O chips. (E is connected to "02").
- ** Typical values are 715909 for NTSC, or 709379 for PAL.
- }
-
- ex_EClockFrequency, { (readable) }
- ex_CacheControl, { Private to CacheControl calls }
- ex_TaskID : ULONG; { Next available task ID }
-
- ex_Reserved1 : Array[0..4] of ULONG;
-
- ex_MMULock : Pointer; { private }
-
- ex_Reserved2 : Array[0..2] of ULONG;
- {***** V39 Exec additions start here *************************************}
-
- { The following list and data element are used
- * for V39 exec's low memory handler...
- }
- ex_MemHandlers : tMinList; { The handler list }
- ex_MemHandler : Pointer; { Private! handler pointer }
- end;
-
-
- { ***** Bit defines for AttnFlags (see above) ***************************** }
-
- { Processors and Co-processors: }
-
- CONST
-
- AFB_68010 = 0; { also set for 68020 }
- AFB_68020 = 1; { also set for 68030 }
- AFB_68030 = 2; { also set for 68040 }
- AFB_68040 = 3;
- AFB_68881 = 4; { also set for 68882 }
- AFB_68882 = 5;
- AFB_FPU40 = 6; { Set if 68040 FPU }
-
- AFF_68010 = %00000001;
- AFF_68020 = %00000010;
- AFF_68030 = %00000100;
- AFF_68040 = %00001000;
- AFF_68881 = %00010000;
- AFF_68882 = %00100000;
- AFF_FPU40 = %01000000;
-
- { AFB_RESERVED8 = %000100000000; }
- { AFB_RESERVED9 = %001000000000; }
-
-
- { ***** Selected flag definitions for Cache manipulation calls ********* }
-
- CACRF_EnableI = %0000000000000001; { Enable instruction cache }
- CACRF_FreezeI = %0000000000000010; { Freeze instruction cache }
- CACRF_ClearI = %0000000000001000; { Clear instruction cache }
- CACRF_IBE = %0000000000010000; { Instruction burst enable }
- CACRF_EnableD = %0000000100000000; { 68030 Enable data cache }
- CACRF_FreezeD = %0000001000000000; { 68030 Freeze data cache }
- CACRF_ClearD = %0000100000000000; { 68030 Clear data cache }
- CACRF_DBE = %0001000000000000; { 68030 Data burst enable }
- CACRF_WriteAllocate = %0010000000000000; { 68030 Write-Allocate mode
- (must always be set!) }
- CACRF_EnableE = 1073741824; { Master enable for external caches }
- { External caches should track the }
- { state of the internal caches }
- { such that they do not cache anything }
- { that the internal cache turned off }
- { for. }
-
- CACRF_CopyBack = $80000000; { Master enable for copyback caches }
-
- DMA_Continue = 2; { Continuation flag for CachePreDMA }
- DMA_NoModify = 4; { Set if DMA does not update memory }
- DMA_ReadFromRAM = 8; { Set if DMA goes *FROM* RAM to device }
-
-
-