Subject: Re: Booting a PowerMac 7200 (progress made since last time !!)
To: Tim Kelly <hockey@dialectronics.com>
From: =?ISO-8859-1?Q?R=E9mi_Zara?= <remi_zara@mac.com>
List: port-macppc
Date: 04/22/2005 20:07:36
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Ok, I will have to try to understand all that...

> At the exception, try
>
> %LR 10 dis

0 > %LR 10 dis
00000010: 00E0F33C
00000014: 00000000
00000018: 00000000
0000001C: 0028E8CB
00000020: 00000408
00000024: 0000078B
00000028: 000C0000
0000002C: 00015C05
00000030: 008BD08A
00000034: 00000000
00000038: 00000000
0000003C: 00000000
00000040: 00000001
00000044: 000081FF
00000048: 00000001
0000004C: 00000000
00000050: 00000000
00000054: 0028E8CB
00000058: 00004000


> That'll give you the four instructions before and something like eight
> after the bl or blrl instruction.  =46rom there you can objdump -d the=20=

> kernel
> and locate the same instructions.  That'll narrow down where the jump=20=

> off
> occured.

Well, the kernel is cross compiled from MacOSX 10.3, so I'm not sur I=20
can easily do that....

> If dis craps out, as it often does on early OF, try
>
> %LR 10 - 20 dump

Since I don't know what it's supposed to look like...

1 > %LR 10 - 20 dump
0035724C: 90 81 D8 18 91 01 00 14 7D 69 03 A6 4E 80 04 21
0035725C: 80 01 00 24 38 21 00 20 7C F6 D9 C4 4E 80 00 20 ok

regards,

R=E9mi Zara

--
R=E9mi Zara
http://www.remi-zara.net/

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