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tbxi-patches
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Bugfix: I was using the wrong driver copy!

This commit is contained in:
Elliot Nunn 2019-08-27 09:23:37 +08:00
parent a8c1a4de1c
commit cfd9bf0185
4 changed files with 34 additions and 32 deletions
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9
ATALoad.a
View File

@ -30,8 +30,8 @@ OriginalFunc
NewFunc
link a6,#-4
movem.l d5,-4(a6)
link a6,#-8
movem.l a3/d5,-8(a6)
; 16(a6).L = !AfterSystemStartupTime
; 12(a6).L = $0701, the DDMap ID for a Mac driver
@ -51,6 +51,7 @@ NewFunc
dc.w $A51E ; _NewPtrSys
tst.l A0
beq.s @fail
move.l a0,a3
move.l a0,a1
lea *+2+'At',a0 ; LINKER SCRIPT
@ -70,7 +71,7 @@ NewFunc
bset.l #31,d5 ; kAfterSystemStartupTime
@rom
jsr 8(a0) ; ATAMgr v2 entry point
jsr 8(a3) ; ATAMgr v2 entry point
; never mind the spec, only set d5
; move.l d0,a0
@ -81,7 +82,7 @@ NewFunc
@fail
move.l #$FFFFDB93,d0
@return
movem.l -4(a6),d5
movem.l -8(a6),a3/d5
unlk a6
rts

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ATALoad.a.o Normal file
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55
ATALoad.dmp
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@ -1,5 +1,5 @@
First: Flags=0 Version=2
First: Flags=$00 Version=$0002
Dictionary: Flags $00 FirstId 1
1: #0001
@ -11,7 +11,7 @@ Pad
Module: Flags=$10=(Main Local Code) Module="#0001"(1) Segment="Main"(2)
Content: Flags $08
Contents offset $0000 size $008E
Contents offset $0000 size $0090
00000000: 41EF 0010 'A...' LEA $0010(A7),A0
00000004: 2F20 '/ ' MOVE.L -(A0),-(A7)
00000006: 2F20 '/ ' MOVE.L -(A0),-(A7)
@ -26,35 +26,36 @@ Contents offset $0000 size $008E
00000022: 4E73 'Ns' RTE
00000024: 7274 'rt' MOVEQ #$74,D1 ; 't'
00000026: 6000 4944 '`.ID' BRA *+$4946 ; 0000496C
0000002A: 4E56 FFFC 'NV..' LINK A6,#$FFFC
0000002E: 48EE 0020 FFFC 'H.. ..' MOVEM.L D5,-$0004(A6)
0000002A: 4E56 FFF8 'NV..' LINK.W A6,#-$0008
0000002E: 48EE 0820 FFF8 'H.. ..' MOVEM.L D5/A3,-$0008(A6)
00000034: 0C6E 0701 000E '.n....' CMPI.W #$0701,$000E(A6)
0000003A: 6642 'fB' BNE.S *+$0044 ; 0000007E
0000003A: 6644 'fD' BNE.S *+$0046 ; 00000080
0000003C: 203C 5369 7A65 ' <Size' MOVE.L #$53697A65,D0 ; 'Size'
00000042: A51E '..' _NewPtr ,Sys ; A51E
00000042: A51E '..' _NewPtrSys ; A51E
00000044: 4A88 'J.' TST.L A0
00000046: 6736 'g6' BEQ.S *+$0038 ; 0000007E
00000048: 2248 '"H' MOVEA.L A0,A1
0000004A: 41FA 4174 'A.At' LEA *+$4176,A0 ; 000041C0
0000004E: 203C 5369 7A65 ' <Size' MOVE.L #$53697A65,D0 ; 'Size'
00000054: A02E '..' _BlockMove ; A02E
00000056: 2A2E 0008 '*...' MOVE.L $0008(A6),D5
0000005A: 0285 0000 FF00 '......' ANDI.L #$0000FF00,D5
00000060: 202E 0008 ' ...' MOVE.L $0008(A6),D0
00000064: 4840 'H@' SWAP D0
00000066: 0280 00FF 0000 '......' ANDI.L #$00FF0000,D0
0000006C: 8A80 '..' OR.L D0,D5
0000006E: 4A2E 0013 'J...' TST.B $0013(A6)
00000072: 6604 'f.' BNE.S *+$0006 ; 00000078
00000074: 08C5 001F '....' BSET #$1F,D5
00000078: 4EA8 0008 'N...' JSR $0008(A0)
0000007C: 6006 '`.' BRA.S *+$0008 ; 00000084
0000007E: 203C FFFF DB93 ' <....' MOVE.L #$FFFFDB93,D0
00000084: 4CEE 0020 FFFC 'L.. ..' MOVEM.L -$0004(A6),D5
0000008A: 4E5E 'N^' UNLK A6
0000008C: 4E75 'Nu' RTS
00000046: 6738 'g8' BEQ.S *+$003A ; 00000080
00000048: 2648 '&H' MOVEA.L A0,A3
0000004A: 2248 '"H' MOVEA.L A0,A1
0000004C: 41FA 4174 'A.At' LEA *+$4176,A0 ; 000041C2
00000050: 203C 5369 7A65 ' <Size' MOVE.L #$53697A65,D0 ; 'Size'
00000056: A02E '..' _BlockMove ; A02E
00000058: 2A2E 0008 '*...' MOVE.L $0008(A6),D5
0000005C: 0285 0000 FF00 '......' ANDI.L #$0000FF00,D5
00000062: 202E 0008 ' ...' MOVE.L $0008(A6),D0
00000066: 4840 'H@' SWAP D0
00000068: 0280 00FF 0000 '......' ANDI.L #$00FF0000,D0
0000006E: 8A80 '..' OR.L D0,D5
00000070: 4A2E 0013 'J...' TST.B $0013(A6)
00000074: 6604 'f.' BNE.S *+$0006 ; 0000007A
00000076: 08C5 001F '....' BSET #$1F,D5
0000007A: 4EAB 0008 'N...' JSR $0008(A3)
0000007E: 6006 '`.' BRA.S *+$0008 ; 00000086
00000080: 203C FFFF DB93 ' <....' MOVE.L #$FFFFDB93,D0
00000086: 4CEE 0820 FFF8 'L.. ..' MOVEM.L -$0008(A6),D5/A3
0000008C: 4E5E 'N^' UNLK A6
0000008E: 4E75 'Nu' RTS
Size: Flags $00 ModuleSize 142
Size: Flags $00 ModuleSize 144
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2
ataboot.py
View File

@ -60,7 +60,7 @@ def patch_ataload(code):
code[i:i+2] = struct.pack('>h', cut2 - i)
if code[i:i+4] == b'Size':
code[i:i+4] = struct.pack('>l', cut2 - cut1)
code[i:i+4] = struct.pack('>L', len(code) - cut2)
if code[i:i+2] == b'ID': # reference to original InitDevice, skipping the mangled 4-byte LINK
code[i:i+2] = struct.pack('>h', (InitDevice+4) - i)