mirror of
https://github.com/elliotnunn/NetBoot.git
synced 2024-11-08 20:07:50 +00:00
201 lines
6.5 KiB
Plaintext
201 lines
6.5 KiB
Plaintext
DrvrBase
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dc.w $4C00 ; dCtlEnable dStatEnable dNeedLock
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dc.w 0 ; delay
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dc.w 0 ; evt mask
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dc.w 0 ; menu
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dc.w DrvrOpen-DrvrBase
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dc.w 0 ; no Prime routine
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dc.w DrvrControl-DrvrBase
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dc.w DrvrStatus-DrvrBase
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dc.w DrvrClose-DrvrBase
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dc.b 11, '.BootServer'
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; a0=iopb, a1=dce on entry to all of these...
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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DrvrOpen
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; TODO: Move this somewhere that it can respond to AppleTalk going up/down
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; Don't care about the caller PB, so use A0 for our AppleTalk PB instead
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move.l A0,-(SP)
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lea PB,A0
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; Open .MPP
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; TODO: check globals on old ROMs before trying
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clr.b $1B(A0) ; IOPermssn = whatever is allowed
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lea MPPString,A1 ; IOFileName = .MPP
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move.l A1,$12(A0)
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dc.w $A000 ; _Open
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bne.s openFail
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; Open a DDP socket: "POpenSkt" via direct call to .MPP
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move.w #248,$1A(A0) ; csCode = openSkt
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clr.b $1C(A0) ; socket = auto-assign
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lea SocketListener,A1
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move.l A1,$1E(A0) ; listener
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dc.w $A004 ; _Control
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bne.s openFail
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; Prepare a Name Table Entry for NBP
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; TODO: replace with static Name Table Entry struct below
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pea NTE
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pea ObjStr
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pea TypStr
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pea ZonStr
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clr.w D0
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move.b $1C(A0),D0
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move.w D0,-(SP)
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bsr NBPSetNTE
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; Advertise our socket via NBP: "PRegisterName"
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move.w #253,$1A(A0) ; csCode = registerName
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move.b #7,$1C(A0) ; interval = ~1sec
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move.b #5,$1D(A0) ; count = 5
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lea NTE,A1
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move.l A1,$1E(A0) ; entityPtr = our NTE
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move.b #0,$22(A0) ; verifyFlag = don't
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dc.w $A004 ; _Control
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openFail
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move.w $10(A0),D0 ; Just return whatever error we got
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move.l (SP)+,A0
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move.w D0,$10(A0)
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rts
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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DrvrClose
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move.w #0,$10(A0) ; ioResult
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rts
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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DrvrControl
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move.w #-18,$10(A0) ; ioResult
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bra DrvrFinish
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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DrvrStatus
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move.w #-18,$10(A0) ; ioResult
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bra DrvrFinish
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Elliot: this can probably be cleaned up, because all our calls are synchronous
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DrvrFinish
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move.w 6(A0),D1 ; iopb.ioTrap
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btst #9,D1 ; noQueueBit
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bne.s DrvrNoIoDone
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move.l $8FC,-(SP) ; jIODone
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DrvrNoIoDone
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rts
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SocketListener
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dc.w $A9FF
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MPPString dc.b 4, ".MPP", 0
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ObjStr dc.b 4, "0000", 0
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TypStr dc.b 10, "BootServer", 0
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ZonStr dc.b 1, "*"
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; Names table entry for NBP
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PB
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dcb.b 108
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NTE
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dcb.b 108
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; AddrBlock is Net(w)/Node(b)/Socket(b)
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; NTElement RECORD 0
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; nteAddress ds AddrBlock ; offset: $0 (0) ; network address of entity
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; filler ds.b 1 ; offset: $4 (4)
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; entityData ds.b 99 ; offset: $5 (5) ; Object, Type & Zone
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; sizeof EQU * ; size: $68 (104)
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; ENDR
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; NamesTableEntry RECORD 0
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; qNext ds.l 1 ; offset: $0 (0) ; ptr to next NTE
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; nt ds NTElement ; offset: $4 (4)
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; sizeof EQU * ; size: $6C (108)
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; ENDR
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; PROCEDURE NBPSetNTE( NTEptr:Ptr;NBPObject,NBPType,NBPZone:STRING[32];Socket:INTEGER);
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; Builds an Names Table Entry using the parms. Calls NBPSetEntity to fill in the strings.
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; This clears the next entry pointer in the NTE. Only LSB 8 bits of Socket are used.
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NBPSetNTE
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MOVEM.L A0-A3/D0,-(SP)
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MOVE.W 24(SP),D0 ;D0=Socket
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MOVEM.L 26(SP),A0-A3 ;A0->Zone,A1->Type,A2->Object,A3->NTE
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CLR.L (A3)+ ;clear next ptr
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MOVE.B D0,3(A3) ;set socket [TupleSkt]
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PEA 5(A3) ;set Buffer ptr [TupleName]
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PEA (A2) ;Object
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PEA (A1) ;Type
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PEA (A0) ;Zone
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JSR NBPSetEntity ;fill in the strings
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MOVEM.L (SP)+,A0-A3/D0
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MOVE.L (SP),18(SP)
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ADDA.L #18,SP
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RTS
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; PROCEDURE NBPSetEntity(Buffer:Ptr;NBPObject,NBPType,NBPZone:STRING[32])
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; Concatenates the strings Object,Type, & Zone in Buffer
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NBPSetEntity
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MOVEM.L A0/A1/D0,-(SP)
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MOVEQ #28,D0
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BSR.S MoveAstring ;move the Object
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MOVE.W #24,D0
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BSR.S MoveAstring ;move the Type
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MOVE.W #20,D0
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BSR.S MoveAstring ;move the Zone
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MOVEM.L (SP)+,A0/A1/D0
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MOVE.L (SP),16(SP)
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ADDA.L #16,SP
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RTS
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MoveAstring
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MOVEA.L (SP,D0.W),A0 ;get source string addr
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CLR.L D0
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MOVE.B (A0),D0 ;setup len and adjust source addr
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ADDQ.L #1,D0 ;adj for str len byte
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MOVEA.L 32(SP),A1 ;setup dest addr
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ADD.L D0,32(SP) ;update dest addr
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DC.W $A22E ; _BlockMoveData
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RTS
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