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https://github.com/elliotnunn/NetBoot.git
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Works!
This commit is contained in:
Elliot Nunn
parent
34e139a963
commit
e06a86901a
3
.gitignore
vendored
3
.gitignore
vendored
@ -2,6 +2,7 @@
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edit.rom
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.DS_Store
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BootstrapFloppy/System.rdump
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Bootstrap.bin
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BootstrapFloppy.dsk
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BootServer.INIT*
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*.bin
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payload
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@ -18,25 +18,31 @@ DrvrBase
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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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; Don't care about the caller PB, so use A0 as a scratch register
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movem.l A0-A1,-(SP)
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; Modify the socket listener code for quick access to driver globals
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lea editLeaDCE+2,A0
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move.l A1,(A0)
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; Open .MPP
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; TODO: check globals on old ROMs before trying
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lea PB,A0
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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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lea MPPString,A2 ; IOFileName = .MPP
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move.l A2,$12(A0)
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dc.w $A000 ; _Open
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bne.s openFail
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move.w $18(A0),$16(A1) ; save MPP refnum in dctlStorage
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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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lea SocketListener,A2
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move.l A2,$1E(A0) ; listener
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dc.w $A004 ; _Control
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bne.s openFail
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move.b $1C(A0),$14(A1) ; save socket number in dCtlStorage
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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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@ -53,14 +59,14 @@ DrvrOpen
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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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lea NTE,A2
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move.l A2,$1E(A0) ; entityPtr = our NTE
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move.b #1,$22(A0) ; verifyFlag = do
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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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movem.l (SP)+,A0-A1
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move.w D0,$10(A0)
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rts
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@ -73,36 +79,252 @@ DrvrClose
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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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cmp.w #65,$1A(A0)
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beq.s accRun
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move.w #-17,$10(A0) ; ioResult = controlErr
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rts
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accRun
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move.w #0,$10(A0) ; ioResult = noErr (never need to return an error)
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; figure out the packet
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lea ReceivedPacket,A2
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move.w (A2)+,D0 ; length
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cmp.b #1,(A2)
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beq ReplyToUserRecordRequest
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cmp.b #3,(A2)
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beq ReplyToImageRequest
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rts
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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PushReturnAddress
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clr.l -(SP)
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clr.l -(SP)
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clr.l -(SP)
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clr.l -(SP)
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clr.w -(SP)
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move.l ReturnAddress,D0
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move.b #10,1+15(SP)
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move.b D0,1+13(SP)
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asr.w #4,D0
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asr.w #4,D0
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move.b D0,1+11(SP)
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swap D0
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move.w D0,1+7(SP)
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move.l 18(SP),-(SP)
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rts
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ReplyToUserRecordRequest ; A0=iopb A1=dce A2=pkt
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bclr.b #5,4(A1) ; clear dNeedTime: done with this packet
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move.l SP,A3
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move.w #586/2-1,D0 ; Push the whole packet
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clrloop clr.w -(SP)
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dbra D0,clrloop
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move.w #$0201,(SP) ; user record reply v1
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move.w 2(A2),2(SP) ; copy osID
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move.l 4(A2),4(SP) ; copy userData (timestamp)
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move.w #512,8(SP) ; blockSize
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move.w #0,10(SP) ; imageID
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move.w #0,12(SP) ; result (error code)
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move.l #(EndOfPayload-StartOfPayload+511)>>9,14(SP)
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move.l SP,A4
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; This code should be deduplicated
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bsr PushReturnAddress
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lea 1(SP),A5 ; the "odd" base of the address struct
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move.w #0,-(SP) ; Push the WriteDataStructure
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move.l A4,-(SP)
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move.w #586,-(SP)
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move.l A5,-(SP) ; the first odd address of the WDS
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move.w #16,-(SP)
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move.l SP,A4
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bsr WriteDDP
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move.l A3,SP
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rts
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; The money shot
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; Send as many packets as we can in six ticks
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; Also be fairly canny with the bitmap
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; Internally: D7=ticks D6=whichblock D5=scratch
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ReplyToImageRequest ; A0=iopb A1=dce A2=pkt D0=pktlen
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moveq #0,D4
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move.w D0,D4
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subq #8,D4
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asl.l #3,D4
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cmp.w #(EndOfPayload-StartOfPayload+511)>>9,D4
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blo.s dontsubtract
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move.l #(EndOfPayload-StartOfPayload+511)>>9,D4
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dontsubtract
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move.l $16A,D7 ; Ticks
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moveq.l #-1,D6 ; Block counter
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blockloop addq.l #1,D6
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cmp.w D4,D6
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bhs endsend
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move.w D6,D5
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asr.w #3,D5
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bclr.b D6,8(A2,D5.W)
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beq.s blockloop
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; okay, so I am committed to sending this packet
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move.l SP,A3
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; This code should be deduplicated
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bsr PushReturnAddress
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lea 1(SP),A5 ; the "odd" base of the address struct
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move.w D6,-(SP) ; blocknum (first chunk of packet)
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move.w 2(A2),-(SP) ; image ID
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move.w #$0401,-(SP) ; image data v1
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move.l SP,A4
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move.w #0,-(SP) ; Push the WriteDataStructure
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lea StartOfPayload,A0
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moveq #0,D5
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move.w D6,D5
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lsl.l #4,D5
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lsl.l #5,D5
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add.l D5,A0
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move.l A0,-(SP)
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move.w #512,-(SP)
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move.l A4,-(SP)
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move.w #6,-(SP)
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move.l A5,-(SP) ; the first odd address of the WDS
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move.w #16,-(SP)
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move.l SP,A4
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bsr WriteDDP
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move.l A3,SP
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; check whether we need to yield time
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move.l $16A,D5
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sub.l D7,D5
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cmp.l #6,D5
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bhi.s defersend
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bra blockloop
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endsend
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bclr.b #5,4(A1) ; clear dNeedTime: done with this packet
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defersend
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rts
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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WriteDDP ; pass in the WDS as a4
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move.l A0,-(SP)
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lea -$32(SP),SP
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move.l SP,A0
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move.w $16(A1),$18(A0) ; IORefNum = dctlStorage.low
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move.w #246,$1A(A0) ; csCode = writeDDP
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clr.l $C(A0) ; IOCompletion = NULL
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move.b $14(A1),$1C(A0) ; get socket number from dCtlStorage
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move.b #1,$1D(A0) ; set checksumFlag
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move.l A4,$1E(A0) ; wdsPointer to our WriteDataStructure
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dc.w $A004 ; _Control
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lea $32(SP),SP
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move.l (SP)+,A0
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rts
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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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rts
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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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; A0 Reserved for internal use by the .MPP driver. You must preserve this register until after the ReadRest routine has completed execution.
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; A1 Reserved for internal use by the .MPP driver. You must preserve this register until after the ReadRest routine has completed execution.
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; A2 Pointer to the .MPP driver's local variables. Elliot says: the frame and packet header ("RHA") are at offset 1 from A2 (keeps the 2-byte fields aligned)
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; A3 Pointer to the first byte in the RHA past the DDP header bytes (the first byte after the DDP protocol type field).
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; A4 Pointer to the ReadPacket routine. The ReadRest routine starts 2 bytes after the start of the ReadPacket routine.
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; A5 Free for your use before and until your socket listener calls the ReadRest routine.
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; D0 Lower byte is the destination socket number of the packet.
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; D1 Word indicating the number of bytes in the DDP packet left to be read (that is, the number of bytes following the DDP header).
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; D2 Free for your use.
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; D3 Free for your use.
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; Parse the packet at accRun time
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editLeaDCE lea $12345678,A5 ; live-edited to point to DCE
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bset.b #5,4(A5) ; raise dNeedTime in dCtlFlags
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; Parse the "return address" from the header
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cmp.b #1,1+2(A2) ; test DDP header type
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bne.s longhdr
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shorthdr moveq.l #0,D2 ; network number = 0
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move.w 1+1(A2),D2 ; node number
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move.b 1+6(A2),D2 ; socket numder
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bra.s doneWithHeader
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longhdr move.w 1+9(A2),D2 ; network number
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swap D2
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move.b 1+12(A2),D2 ; node number
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asl.w #4,D2
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asl.w #4,D2
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move.b 1+14(A2),D2 ; socket number
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doneWithHeader
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; Save the return address in a standard format
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lea ReturnAddress,A5
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move.l D2,(A5)
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; Save the return address and packet body
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lea ReceivedPacket,A3
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move.w D1,D3 ; odd that I need to use this register?
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move.w D3,(A3)+
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jmp 2(A4) ; ReadRest (to A3)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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MPPString dc.b 4, ".MPP", 0
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@ -111,6 +333,9 @@ TypStr dc.b 10, "BootServer", 0
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ZonStr dc.b 1, "*"
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ReturnAddress dc.l 0
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ReceivedPacket dcb.b 2+586
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; Names table entry for NBP
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PB
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@ -198,3 +423,8 @@ MoveAstring
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DC.W $A22E ; _BlockMoveData
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RTS
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align 9
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StartOfPayload
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incbin "../payload"
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EndOfPayload
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@ -13,13 +13,18 @@ myDRefNum equ ~myUnitNum
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dc.w $A9FF ; _Debugger
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noGetResErr
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move.l A4,A0
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dc.w $A025 ; _GetHandleSize
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sub.l D0,$10C ; BufPtr
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move.l (A4),A0
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move.l $10C,A1
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dc.w $A02E ; _BlockMove
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move.l A4,-(SP)
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dc.w $A992 ; _DetachResource
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move.l A4,A0
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dc.w $A029 ; _HLock
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move.l (A4),A4
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move.l $10C,A4
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; Install the driver in the unit table
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move.l A4,A0
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@ -52,15 +52,16 @@ while 1:
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elif llap_proto_type == 2:
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# ddp, long (what should we do with this extra information?)
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if len(data) < 13: continue
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ddp_len, ddp_cksum, ddp_dest_net, ddp_src_net, ddp_dest_node, ddp_src_node, ddp_dest_socket, ddp_src_socket = struct.unpack_from('>4H5B', data)
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ddp_len, ddp_cksum, ddp_dest_net, ddp_src_net, ddp_dest_node, ddp_src_node, ddp_dest_socket, ddp_src_socket, ddp_proto_type = struct.unpack_from('>4H5B', data)
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ddp_hop_count = (ddp_len >> 10) & 0xF
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ddp_len &= 0x3FF
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data = data[13:ddp_len]
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print(ddp_src_net, ddp_dest_net)
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else:
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# llap control packet -- can probably ignore!
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continue
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print(f'datagram {llap_src_node}:{ddp_src_socket}->{llap_dest_node}:{ddp_dest_socket}')
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print(f'datagram {llap_proto_type} {llap_src_node}:{ddp_src_socket}->{llap_dest_node}:{ddp_dest_socket}')
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if ddp_proto_type == 2: # NBP
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if len(data) < 2: continue
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@ -85,15 +86,23 @@ while 1:
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print(f' net:node:sock={t[0]}:{t[1]}:{t[2]} enum={t[3]} object:type@zone={t[4]}:{t[5]}@{t[6]}')
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elif ddp_proto_type == 10: # ATBOOT
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if len(data) < 2: continue
|
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if len(data) < 2:
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print('malformed short packet %r' % data.hex())
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continue
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boot_type, boot_vers = struct.unpack_from('>BB', data)
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data = data[2:]
|
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if boot_type == 1:
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print(' ATBOOT "syn"')
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if boot_type == 2:
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print(' ATBOOT "ack"')
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print(' ATBOOT "syn"', data.hex())
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elif boot_type == 2:
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print(' ATBOOT "ack"', data.hex())
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elif boot_type == 3:
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print(' ATBOOT image request')
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print(' ATBOOT image request', data.hex())
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elif boot_type == 4:
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print(' ATBOOT image reply')
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print(' ATBOOT image reply', data.hex())
|
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else:
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print(' ' + data.hex())
|
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|
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else:
|
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print('Totally unknown DDP type', ddp_proto_type)
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print(' ' + data.hex())
|
||||
|
||||
24
Makefile
24
Makefile
@ -17,21 +17,16 @@ image: systools607.dsk.a Makefile
|
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Mini\ vMac\ Classic.app/Co*/Ma*/* xo.rom /tmp/system6.dsk
|
||||
|
||||
|
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systools607.dsk.a: systools607.dsk
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python3 -c 'for b in open("systools607.dsk","rb").read(): print(" dc.b $$%02X" % b)' >systools607.dsk.a
|
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|
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|
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Bootstrap.bin: Bootstrap.a
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vasm-1/vasmm68k_mot -quiet -Fbin -pic -o $@ $<
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||||
|
||||
|
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BootstrapFloppy/System.rdump: Bootstrap.bin
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rfx cp $< $@//boot/1
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BootstrapFloppy.dsk: BootstrapFloppy/System.rdump
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MakeHFS -n 'NetBoot Enabler' -i BootstrapFloppy -s 1440k -d now $@
|
||||
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testflop: BootstrapFloppy.dsk
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testclient: BootstrapFloppy.dsk
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Mini\ vMac\ Classic.app/Co*/Ma*/* xo.rom $<
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|
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|
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@ -40,7 +35,17 @@ testflop: BootstrapFloppy.dsk
|
||||
|
||||
|
||||
|
||||
BootServer.INIT: FORCE
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BootWrapper.bin: BootWrapper.a
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vasm-1/vasmm68k_mot -quiet -Fbin -pic -o $@ $<
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||||
|
||||
payload: BootWrapper.bin
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||||
#echo ' dcb.w 10000, $$A9FF' >/tmp/xasm
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||||
#vasm-1/vasmm68k_mot -quiet -Fbin -pic -o /tmp/yasm /tmp/xasm
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||||
#cat /tmp/yasm >payload
|
||||
cat BootWrapper.bin systools607.dsk >payload
|
||||
python3 snefru_hash.py payload
|
||||
|
||||
BootServer.INIT: payload FORCE
|
||||
./buildapp.bash BootServer
|
||||
|
||||
testserver: BootServer.INIT
|
||||
@ -49,9 +54,12 @@ testserver: BootServer.INIT
|
||||
DumpHFS systools607.dsk /tmp/bootserv
|
||||
cp MacsBug\ 6.2.2/* /tmp/bootserv/System\ Folder
|
||||
cp BootServer.INIT* /tmp/bootserv/System\ Folder
|
||||
MakeHFS -i /tmp/bootserv -s 1440k bootserv.tmp
|
||||
MakeHFS -i /tmp/bootserv -s 10m bootserv.tmp
|
||||
Mini\ vMac\ Classic.app/Co*/Ma*/* xo.rom bootserv.tmp
|
||||
|
||||
pyserver: payload FORCE
|
||||
./NetBoot.py payload
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
41
NetBoot.py
41
NetBoot.py
@ -19,32 +19,8 @@ my_unique_ltoudp_id = b'El' + (os.getpid() & 0xFFFF).to_bytes(2, 'big')
|
||||
|
||||
|
||||
|
||||
disk_image = open(path.join(path.dirname(path.abspath(__file__)), 'systools607.dsk'), 'rb').read()
|
||||
|
||||
# Strip the Disk Copy header
|
||||
if disk_image[0x54:0x56] == b'LK' or disk_image[0x454:0x456] == b'BD':
|
||||
disk_image = disk_image[0x54:]
|
||||
print('Stripped Disk Copy header from image')
|
||||
|
||||
|
||||
|
||||
def assemble(the_code):
|
||||
with open('/tmp/vasm.bootblocks', 'w') as f:
|
||||
f.write(the_code)
|
||||
|
||||
try:
|
||||
os.remove('/tmp/vasm.bootblocks.bin')
|
||||
except FileNotFoundError:
|
||||
pass
|
||||
|
||||
assembler = path.join(path.dirname(path.abspath(__file__)), 'vasm-1/vasmm68k_mot')
|
||||
os.system(f'{assembler} -quiet -Fbin -pic -o /tmp/vasm.bootblocks.bin /tmp/vasm.bootblocks')
|
||||
|
||||
with open('/tmp/vasm.bootblocks.bin', 'rb') as f:
|
||||
return f.read()
|
||||
|
||||
|
||||
|
||||
import sys
|
||||
image = open(sys.argv[1], 'rb').read()
|
||||
|
||||
# typedef short (*j_code)( short command, # SP+4 (sign-extend to long)
|
||||
# DGlobals *g, # SP+8
|
||||
@ -53,19 +29,6 @@ def assemble(the_code):
|
||||
|
||||
# We return our OSErr in d0, and leave the 16 bytes of arguments on the stack for the caller to clean
|
||||
|
||||
image = assemble(open(path.join(path.dirname(path.abspath(__file__)), 'BootServer/PROC128.a')).read()) + disk_image
|
||||
|
||||
|
||||
|
||||
|
||||
image = bytearray(image)
|
||||
|
||||
while len(image) % 512 != 512 - 64: image.append(0)
|
||||
the_hash = snefru(image)
|
||||
while len(image) % 512 != 512 - 16: image.append(0)
|
||||
image.extend(the_hash)
|
||||
print('Sig:', ''.join(('%02X' % b) for b in image[-16:]))
|
||||
|
||||
|
||||
ANY = "0.0.0.0"
|
||||
MCAST_ADDR = "239.192.76.84"
|
||||
|
||||
@ -1,7 +0,0 @@
|
||||
#!/bin/bash
|
||||
|
||||
trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM EXIT
|
||||
|
||||
make BootstrapFloppy.dsk
|
||||
|
||||
Mini\ vMac\ Classic.app/Contents/MacOS/minivmac xo.rom BootstrapFloppy.dsk && kill %1
|
||||
@ -354,8 +354,21 @@ def snefru(inbytes):
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
import binascii
|
||||
the_plain = b''.join(n.to_bytes(4, 'big') for n in range(32*1024//4))
|
||||
the_hash = snefru(the_plain)
|
||||
import sys
|
||||
for p in sys.argv[1:]:
|
||||
try:
|
||||
x = open(p, 'rb').read()
|
||||
|
||||
print(binascii.hexlify(the_hash))
|
||||
if len(x) % 512 == 0:
|
||||
maybe_already = snefru(x[:-64])
|
||||
if x[-16:] == maybe_already: continue
|
||||
|
||||
while len(x) % 512 != 512 - 64: x += b'\0'
|
||||
the_hash = snefru(x)
|
||||
while len(x) % 512 != 512 - 16: x += b'\0'
|
||||
x += the_hash
|
||||
|
||||
open(p, 'wb').write(x)
|
||||
|
||||
except Exception as e:
|
||||
print(e)
|
||||
|
||||
838400
systools607.dsk.a
838400
systools607.dsk.a
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user